A method, electronic device, and non-transitory computer readable medium for controlling Wi-Fi channels. The method comprises, in response to identifying an application to be executed, identifying, by the electronic device, available Wi-Fi channels to use for sending and receiving data for the application. The method also includes identifying, by the electronic device, which one of the available Wi-Fi channels to use for sending and receiving the data for the application based on preset mappings between applications and the available Wi-Fi channels.
In order to provide a transmission device and transmission method with which a response signal for random access preamble transmitted from a preamble transmission device is efficiently transmitted, setting unit in base station sets a first resource candidate group, which enables terminal capable of receiving a latch response transmitted by demodulation reference signal (DMRS) transmission to be selected, and a second resource candidate group, which enables terminal incapable of receiving a latch response transmitted by DMRS transmission but capable of receiving a latch response transmitted by cell-specific reference signal (CRS) transmission to be selected. Control unit selects DMRS transmission as the latch response transmission method when a resource in which latch preamble has been received is included in the first candidate group, but selects CRS transmission as the latch response transmission method when the resource is included in the second resource candidate group.
Systems and methods of providing RAT co-existence and congestion control in V2V communications are generally described. A vUE detects specific non-LTE RAT transmissions in a listening period of a PSCCH or PSSCH, determines whether a metric has been met and reselects to a non-overloaded channel to communicate with other vUEs or the eNB. The manner of reselection is dependent on the RAT specific or V2X service priorities of the channels, as well as whether the channels are V2V service dependent.
Embodiments of the present disclosure provide a method for determining contention window information. The method includes: determining contention window information of a second uplink burst of a user equipment (UE) according to a receiving state of a reference subframe; generating at least one piece of control signaling for scheduling at least one uplink subframe in the second uplink burst; and sending the at least one piece of control signaling to the UE. According to the method and an apparatus for determining contention window information in the embodiments of the present disclosure, the control signaling is sent to the UE, so that the contention window information of the UE can be adjusted, the UE can obtain an appropriate contention window information, and fair channel access is implemented through channel sensing based on random backoff.
Techniques and examples pertaining to reducing preamble collision in contention-based random access (CBRA) from a user equipment (UE) to a base station of a mobile communication network are described. A method for selecting a preamble signature may involve identifying a quantity of preamble signatures reserved for CBRA in the mobile communication network. The method may also involve performing a modulo computation based on a unique identifier of the UE and the quantity of preamble signatures. The method may also involve designating one of the preamble signatures as a chosen preamble signature based on a result of the modulo computation. The method may further involve initiating a random access procedure using the chosen preamble signature to establish a communication link between the UE and the base station.
Some embodiments relate to methods, computer readable media, and apparatus for resolving acknowledgements between associated and unassociated stations. An apparatus is disclosed including processing circuitry configured to decode responses to a random-access trigger frame, wherein one of the responses is a response from an unassociated station. The processing circuitry may be further configured to: encode an acknowledgement to acknowledge receipt of the response from the unassociated station, where the acknowledgement comprises an indication that the acknowledgement is for the unassociated station, and where the acknowledgement further comprises a media access control (MAC) address of the unassociated station in a field of the acknowledgement other than a field in a MAC header portion of the acknowledgement. The processing circuitry may configure the HE access point to transmit the acknowledgement.
Various aspects of the disclosure relate to distributed multiple-input multiple-output (MIMO) communication such as coordinated beamforming or Joint MIMO. In some aspects, distributed MIMO is used to support communication in a cluster of wireless nodes (e.g., access points). A distributed MIMO scheduling scheme as taught herein is used to schedule the wireless nodes (e.g., access points and/or stations) operating within the cluster. For example, stations may be scheduled across basis services sets of the access points for a downlink transmission and/or an uplink transmission.
The present disclosure relates to a communication scheme and system for converging a 5th generation (5G) communication system for supporting a data rate higher than that of a 4th generation (4G) system with an internet of things (IoT) technology. The present disclosure is applicable to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars, connected cars, health care, digital education, retails, and security and safety-related services) based on the 5G communication technology and the IoT-related technology. The present disclosure relates to a radio network technology for use in a beamforming-based cellular system. A method for compensating phase noise by a user equipment (UE) is provided. The method comprises receiving, from a base station, association information between at least one phase tracking reference signal (PTRS) port and at least one demodulation reference signal (DMRS) port, identifying phase noise between the UE and the base station based on the association information, and compensating for the phase noise based on the result of the identification.
The present invention provides a control information transmission resource determining method in a D2D communication. In this method, a location of a subframe used for a SA transmission is determined in a SA resource pool by a TRP. In the subframe, a frequency domain resource used for the SA transmission occupies a part of symbols or PRBs in the entire subframe, and a location of the frequency domain resource is determined by a central control node assigning way, a randomly selecting way, a resource-hopping way or a mapping way between a time domain resource and a frequency domain resource. According to the method above, data transmission delay can be effectively reduced, data transmission reliability can be ensured, and V2X communication requirements can be achieved by small changes in a current system.
It is provided a method for reducing bit rate requirement over an uplink fronthaul link. The method is performed in a fronthaul transmitter of a radio network node and comprises the steps of: determining a group of frequency-domain resource elements having been received over a wireless channel (40); estimating channel information (42); reducing a number of bits for representing the respective frequency-domain resource element, to thereby obtain a modified resource element (44); transmitting the modified resource elements of the group over the fronthaul link to a fronthaul receiver (46); and transmitting compression metadata (48), indicating how the reduction was performed, over the fronthaul link to the fronthaul receiver which performs the steps of receiving the modified resource elements (50), receiving the compression metadata (52) and expanding the resource elements to increase the number of bits for representing the frequency-domain resource elements (54).
The present invention is designed so that adequate communication can be carried out even in future radio communication systems. A user terminal communicates using a transmission time interval (TTI), which has a predetermined TTI duration, and has a receiving section that receives a DL signal, a transmission section that transmits a UL signal, and a control section that controls at least one of transmission of a random access preamble, transmission of an SRS, reception of a broadcast channel and reception of a mobility reference signal, based on downlink control information that is included in the same TTI.
In order to realize proper communication in the next-generation communication system, a user terminal that performs communication through a communication system in which a plurality of communication parameters is set, includes: a reception section that receives information on a partial resource used for the communication; and a control section that controls UL transmission and/or DL reception using a predetermined communication parameter, based on the information on the partial resource. The reception section receives the information on the partial resource using higher layer signaling, a common control channel which is common to the plurality of communication parameters, or a specific control channel dedicated to each of the communication parameters.
A method for sending control information includes: determining, by a network device based on a first time-frequency domain resource for sending first control information, at least one information field included in the first control information; determining, by the network device, a quantity of bits of the first control information based on the at least one information field; and sending, by the network device, the first control information to a user terminal on the first time-frequency domain resource based on the quantity of bits of the first control information. The present application can improve data transmission efficiency.
TDD access equipment modified by introducing a frequency change at the normal TDD guard point, with respective downlink or uplink periods for individual subscriber stations offset to form overlapping frames. Cyclo-stationary processing, block equalization, and burst timing coordination allow the boundary between downlink and uplink portions of both frames to be set dynamically, improving spectral efficiency. Fast frequency switching within an allotted physical slot enables synchronization of time-sharing the dedicated frequencies to be maintained among subscriber stations. Duplex spacing between downlink and uplink frequencies for individual subscriber stations, combined with in-depth filtering of received signals, prevents spurious out-of-band transmission signal strength from reaching an interference level.
Various examples with respect to resource allocation and VRB-to-PRB mapping in mobile communications are described. A processor of a user equipment (UE) establishes a multiple-input multiple-output (MIMO) wireless communication link with a network node of a wireless network. The processor receives data from the network node, with the data represented by a plurality of resource block groups (RBGs) in a frequency domain in terms of resource allocation. The processor then processes the data. In receiving the data, the processor receives in one or more precoding resource block groups (PRGs) of a plurality of PRGs in the frequency domain via the MIMO wireless communication link. The plurality of RBGs and the plurality of PRGs are aligned in the frequency domain.
A method, device and system for performing wireless communication in a wireless communication system. The wireless communication system includes a low power node and a macro base station with common baseband and user equipment, and the user equipment communicates with the low power node and the macro base station via a plurality of component carriers. The method includes: receiving, by the user equipment, a downlink signal transmitted by the low power node and the macro base station; and transmitting uplink signals to the low power node and the macro base station, wherein the method further includes: transmitting all first uplink signals of the uplink signals to the low power node as a receiving node. According to the method, device and system, it is possible to improve the efficiency of uplink power control of a terminal and/or reduce the burden for uplink control channel transmission of a macro cell.
Provided are a method for operating a terminal in accordance with semi-persistent scheduling (SPS) in a wireless communication system, and a terminal using the method. The method comprises: transmitting traffic information; receiving an SPS configuration determined on the basis of the traffic information; and transmitting a signal in at least one resource among resources conforming to the SPS configuration, wherein the traffic information notifies of a pattern of traffic generated by a terminal.
Provided are a wireless connection method and device, a terminal and a computer-readable storage medium. The method includes that: when the first mobile terminal is in a screen-off state, a first trajectory input by a user is received. When a second trajectory for a second mobile terminal is matched with the first trajectory, a wireless connection is established between the first mobile terminal and the target mobile terminal.
A digital picture frame including a camera integrated with the frame, and a network connection module allowing the frame for direct contact and upload of photos from electronic devices or from photo collections of community members. The integrated camera is used to automatically determine an identity of a frame viewer and can capture gesture-based feedback. The displayed photos are automatically shown and/or changed according to the detected viewers. The photos can be filtered and cropped at the receiver side. Clustering photos by content is used to improve display and to respond to photo viewer desires.
Disclosed in the present application are a power distribution method and apparatus, used for enabling simultaneous transmission by communication channels using TTI of different lengths by means of controlling the transmission power of the transmission channels respectively using TTI of different lengths to not surpass the permitted maximum transmission power of a device. The method comprises: determining the sum of the transmission powers of an uplink channel using a first TTI length for transmission and of an uplink channel using a second TTI length for transmission in a sub-frame; and when the sum surpasses the permitted maximum transmission power of a device, implementing power distribution according to a predetermined rule, such that the sum does not surpass the permitted maximum transmission power of the device.
The present invention relates to a data communication device and method for recording and transmitting data concerning conditions within or pertaining to a transportation container, such as a controlled environment transportation container. The communication device includes a processor, a memory, a port for receiving the data, a first power source, a communication module operatively coupled to the first power source, and a computer program stored in the memory. The program is operative, when executed on the processor, to store the received data in the memory and to cause the communication module to periodically power on, attempt for a specified time period to establish a network connection, and in the event of a successful connection, communicate data stored in the memory over the network, and to power off. The processor independently operates to switch between sleep and active modes in accordance with a system timer or receipt of data, and to determine whether the communication module is to be activated.
A Bluetooth low energy (BLE)-based beacon device includes a wireless transmitter, a memory device that stores an ID of the BLE-based beacon device, a switch, and a control circuit that senses the switch being pressed, changes a state of the BLE-based beacon device from an idle state to a wakeup state based on a result of the sensing, determines whether a predetermined period of time has elapsed, and changes the state of the BLE-based beacon device from the wakeup state to the idle state when the predetermined period of time has elapsed. The control circuit transmits the ID stored in the memory device to the wireless transmitter only while the BLE-based beacon device is in the wakeup state.
The application discloses an Internet access method. The method includes receiving a first Internet access packet reported by a first BNG, the first Internet access packet carrying user information and information of the first BNG, and receiving the user's second Internet access packet reported by a second BNG, wherein the second Internet access packet carries user information and information of the second BNG. The method also includes recording, according to the user information, information of the first BNG and information of the second BNG in a BNG list to which the user belongs, and selecting, according to a preset policy, the first BNG from the BNG list. The method also includes delivering the user's forwarding information to the first BNG; and sending a response packet to the user, where the response packet is used to instruct the user to access the Internet by using the first BNG.
A paging method includes: determining a paging signal to be sent currently for a target cell, wherein the paging signal carries identifiers of terminals to be paged in the target cell, the target cell comprises n scanning areas corresponding to n beam scanning nodes respectively, the n beam scanning nodes are selected by a base station from m beam scanning nodes set for the target cell, the target cell is a cell, to which the paging signal is to be sent; determining a scanning start point of each of the corresponding scanning areas on which the beam scanning is performed by the n beam scanning nodes respectively; and performing beam scanning on the corresponding scanning areas by the n beam scanning nodes respectively so as to send the paging signal to the terminals in the corresponding scanning areas by beam scanning.
An access control method, including obtaining, by a protocol-stack upper layer of a terminal, an override identifier, starting, by the protocol-stack upper layer of the terminal, an application specific congestion control for data connectivity (ACDC) check according to a service initiated by the terminal, and, if the protocol-stack upper layer of the terminal confirms that the service initiated by the terminal can pass the ACDC check and determines that the override identifier corresponding to an application identifier of the service passing the ACDC check is overriding an access class barring (ACB) check, sending, by the protocol-stack upper layer of the terminal, an radio resource control (RRC) establishment request message to an access layer of the terminal, where the request message carries an indication of not performing an ACB check.
When a handover request for performing a handover of a terminal (70) from a macro cell C1 to a CSG cell C2 is received from an SeNB 10 (S8), a base station (TeNB) (40) of the CSG cell C2 transmits a handover response in accordance with a handover enabled/disabled state (S12). The handover response includes an identifier of the terminal (70) in the CSG cell C2. Upon receiving the response, the SeNB (10) notifies the identifier to the terminal (70) (S14). The TeNB (40) repeatedly transmits a dedicated signal containing a handover command via a dedicated channel set using the identifier at an interval shorter than a gap period (S18). Accordingly, whether or not access is permitted can be judged promptly and a smooth handover can be realized.
An example of a system may include a controller, communicatively connected to an access point (AP), including a processing resource and a memory resource storing instructions executable by the processing resource to: identify an unused portion of a computational capacity of the access point when the access point is executing a primary functionality of the access point; allocate an amount of the unused portion of the computational capacity of the access point to execute a first portion of a non-primary data mining functionality distinct from the primary functionality of the access point; and adjust the amount of the unused portion of the computational capacity allocated to the execution of the non-primary data mining functionality based on a change in network traffic associated with the access point.
The present invention relates to a method for providing a streaming service and an apparatus therefor, the method and apparatus allowing streaming data to be provided by changing into service quality suitable for a busy cell in advance, before a terminal enters the busy cell, so as to prevent sudden changes in image quality when the terminal enters the busy cell, thereby enabling a deterioration, which is recognizable by a user, in the image quality to be minimized and a streaming service to be seamlessly used.
Methods and apparatus to report link quality measurements for downlink dual carrier operation are disclosed. Example methods and apparatus disclosed herein implement one or more example techniques for reporting link quality measurements involving, for example, modifying measurement reporting messages to increase the number and/or types of link quality measurements that can be reported, permitting mobile stations, when appropriate, to use different reporting messages capable of supporting more link quality measurements, and/or prioritizing certain link quality measurements to be reported when the reporting messages do not contain sufficient space to report all requested and/or specified link quality measurements.
A user equipment (UE) provides feedback about channel conditions. From a set of primary sub-bands subject to channel state information reporting by the UE, there is identified one or more of the primary sub-bands for reporting channel quality with a finer frequency-domain granularity than other primary sub-bands of the set (202). The one or more is less than all primary sub-bands in the set. In various embodiments, either the UE or the network can select which are the primary sub-bands to be identified for the finer granularity reporting, and the selection can be for example the best primary sub-bands or those with the highest variance in a measure of channel quality or random (206). Then for each of the identified primary sub-bands, the UE measures and reports the channel quality with the finer frequency-domain granularity for each secondary sub-band whose frequency lay within the respective identified primary sub-band.
Disclosed are onboard network systems for passenger aircrafts and methods of operating thereof. Specifically, an onboard network system is configured to handle various requests (e.g., communication, entertainment) from passenger devices during aircraft operation. Each request is first received at a cabin virtual router, which determines the security threat associated with this request and, if the security threat exceeds a security threshold, performs a corresponding security operation. In some examples, the cabin virtual router is configured to disable its operation entirely, e.g., if the security threat is high. In other examples, the cabin virtual router switches to a new operating system and/or throttles its operation. The cabin virtual router effectively isolates other components of the onboard network system (e.g., a flight deck) from potential threats associated with the passenger devices using this system. Security threats are analyzed to reconfigure the cabin virtual router on the aircraft and/or entire fleet.
Provided is a digital signage system including a smart plug and a player. The smart plug is configured to provide power and has a wireless network connection function. The player receives power from the smart plug and has a wireless network connection function. The player uses a network setting to connect and log in to a server via a network base station. The player searches for the smart plug and wirelessly links to the smart plug directly, and the player transmits the network setting and login information for logging in to the server to the smart plug. The smart plug connects to the server via the network base station according to the received network setting, and the smart plug logs in to the server with the received login information thereby pairing the smart plug with the player.
Certain aspects of the present disclosure relate to methods and apparatus for handling mobility between areas with heterogeneous network slices in wireless communications systems operating according to new radio (NR) technologies. An exemplary method that may be performed by a UE includes receiving an indication that a network slice is not available, entering a connection management idle (CM-IDLE) state, and initiating a registration procedure with an access and mobility management function (AMF) subsequent to entering the CM-IDLE state.
Concepts and technologies of remote user equipment assessment for network connection provisioning are provided herein. In an embodiment, a method can include receiving, by a server from a network connection client executing on a user equipment, a network connection request to authorize connection to a network. The method can also include determining, by the server, whether the user equipment can support communication via an internet protocol-based advanced service of the network. In response to determining that the user equipment can support communication with an internet protocol-based advanced service of the network, the method can further include authorizing, by the server, a network connection for the user equipment while prohibiting the user equipment from using the internet protocol-based advanced service during the network connection.
A system and a method to wirelessly synchronize, monitor, or communicate, or a combination thereof, amongst sensors (e.g., sensors, hubs, sensor controllers, etc.) in a Bluetooth Low Energy-based microlocation system. The system or method, or both, may use the BLE hardware (e.g., transmitters, receivers, antennas, etc.) to interleave a communications protocol within the connection interval gaps of the BLE protocol used to communicate with devices.
In some embodiments, apparatuses and methods are provided herein useful to updating an inventory database. In some embodiments, a system for updating an inventory database comprises an array of RFID readers positioned at different locations about the retail facility, where the RFID readers are configured to read RFID tags associated with products, and a control circuit, the control circuit configured to receive, from one or more RFID readers, identifiers, wherein the identifiers are associated with the RFID tags, determine, based on the identifiers, a flow of RFID tags, identify, without reference to a structural map of the retail facility, a transition point from the stockroom to the sales floor, determine, based on an RFID read, that a product has passed through the transition point from the stockroom to the sales floor, and update the inventory database to indicate that the product is located on the sales floor.
System, methods, and other embodiments described herein relate to location intelligence. In one embodiment, a method of obtaining location intelligence includes receiving a plurality of datasets from a plurality of vehicles, the datasets being associated with a same geographical location and respectively including at least vehicle descriptive information that describes one or more aspects of the respective vehicles and feature data that indicates a status of at least one respective feature of the respective vehicles, combining the plurality of datasets to form a location tensor associated with the geographical location, extracting, from the location tensor, an embedding that indicates information contained in the location tensor, and storing the embedding in a database in association with the geographical location.
A system may include various user devices coupled to a cellular network. Each user device may be associated with a respective member of a predetermined population. The system may further include a contact management server coupled to the cellular network. The contact management server may determine a previous contact event of a user device among the user devices. The contact management server may further determine a selection of a first contact type for contacting the user device. The first contact type may be different from a second contact type of the previous contact event. The contact management server may further transmit a command that triggers the contact event of the user device based on the first contact type.
A lost tracking device associated with a tracking system can be located by leveraging one or more community members by inviting these members to join a search party. Search party criteria can be identified and candidate search party members can be selected and invited based on the search party criteria. When invited candidate search party members accept the invitations, they are added to the search party. A last known location of the tracking device can be provided to the search party members, and the search party can remain in effect until the lost tracking device is located. The location of the lost tracking device is provided to the tracking system, which forwards it to the owner of the lost tracking device. A reward can be provided by the owner of the lost tracking device to the tracking system, which releases the reward to the search party member that located the lost tracking device.
Systems and methods are provided for determining in real-time geographic areas having a threshold level of content consumption and deploying dynamic geo-fences to contain these geographic areas. These dynamic geo-fences provide a means for timing message notifications in order to optimize the chances of delivering targeted content to a mobile device user based on the current geographic location of the user's device relative to a threshold level of content consumption area. As mobile device users may be more likely to launch a client application in a place where other users are currently consuming content, a general message notification sent to the user's device located in a dynamic geo-fence created based on real-time content consumption, may increase the likelihood that the user will launch the client application and thereby, allow targeted content to be delivered to the user's mobile device.
A broker for communicating with an HTML client running on a client device and with an application running on a remote application server through a web session, said broker comprising: a geolocation information collecting unit, adapted to collect geolocation information from said HTML client; a geolocation processing engine, configured to process said geolocation information, thereby generating location device signalling; and a transmitting module, adapted to transmit said location device signalling to an application server session of said remote application server, thereby emulating a location device.
The methods and apparatus described herein provides technical solutions to the technical problems facing crosstalk cancellation for 3D audio virtualization. One technical solution includes preconditioning audio signals based on crosstalk canceller characteristics and based on characteristics of sound sources at intended locations in 3D space. To provide these technical solutions, the systems and methods described herein include an audio virtualizer and an audio preconditioner. In particular, the audio virtualizer includes a crosstalk canceller, and the audio preconditioner preconditions audio signals based on characteristics of a crosstalk cancellation system and based on characteristics of a binaural synthesis system or intended input source location in space. This solution improves the overall accuracy of virtualization of 3D sound sources and reduces or eliminates audio artifacts such as incorrect localization, inter-channel sound level imbalance, or a sound level that is higher or lower than intended.
The method and apparatus described herein make use of multiple sets of head related transfer functions (HRTFs) that have been synthesized or measured at various distances from a reference head, spanning from the near-field to the boundary of the far-field. Additional synthetic or measured transfer functions maybe used to extend to the interior of the head, i.e., for distances closer than near-field. In addition, the relative distance-related gains of each set of HRTFs are normalized to the far-field HRTF gains.
A system including an audio source configured to transmit a first stimulus signal to one of a first beamforming loudspeaker assembly and a second beamforming loudspeaker assembly to play back an audio output and to receive the audio output from the one of the first beamforming loudspeaker assembly and the second beamforming loudspeaker assembly. The audio source is configured to determine a first distance between a first beamforming loudspeaker assembly and a second beamforming loudspeaker assembly and to determine a second distance between the audio source and the first beamforming loudspeaker assembly. The audio source is configured to determine a third distance between the audio source and the second beamforming loudspeaker assembly and to determine a location for transmitting the audio output from each of the first beamforming loudspeaker assembly and the second beamforming loudspeaker assembly based at least on the first distance, the second distance, and the third distance.
A hearing assistance device including a housing component (12) including a transceiver (68) and processing circuitry arranged in a compact block structure (50), a small feed loop (40) mounted on the compact block structure (50) and electrically connected to the transceiver (68), and an antenna element (30, 80) contained within a housing component (12). The small feed loop (40) and the antenna element (30, 80) are provided as metallic band elements, and the band elements in an area of electromagnetic coupling are arranged in substantially parallel planes.
A hearing system comprises a hearing device, e.g. a hearing aid, and is adapted for being worn by a user, the hearing system comprising a) an audio input unit configured to receive a multitude of audio signals comprising sound from a number of localized sound sources in an environment around the user, and b) a sensor unit configured to receive and/or provide sensor signals from one or more sensors, said one or more sensors being located in said environment and/or form part of said hearing system, and c) a first processor configured to generate and update over time data representative of a map of said environment of the user, said data being termed map data, said environment comprising a number of, stationary or mobile, landmarks, said landmarks comprising said number of localized sound sources, and said map data being representative of the physical location of said landmarks in the environment relative to the user, wherein the hearing system is configured to, preferably continuously, generate and update over time said map data based on said audio signals and said sensor signals. The invention further comprises a method.
An apparatus for identifying which sound sources are associated with which microphone audio signals, the apparatus including a processor configured to: determine/receive a position/orientation of at least one sound source relative to a microphone array; receive at least one microphone audio signal, each microphone audio signal received from a microphone; receive an audio-focussed audio signal from the microphone array, wherein the audio-focussed audio signal is directed from the microphone array towards the one of the at least one sound source so as to enhance the audio-focussed audio signal; compare the audio-focussed audio signal against each microphone audio signal to identify a match between one of the at least one microphone audio signal and the audio focussed audio signal; and associate the one of the at least one microphone with the at least one sound source, based on the identified match.
The speaker of the present invention comprises a frame, a vibration system and a magnetic circuit system. The vibration system comprises a diaphragm and a voice coil assembly for driving the vibration of the diaphragm for generating sound, the diaphragm is located on the frame, and the voice coil assembly is connected with the diaphragm and the magnetic circuit system includes a first clamping plate, a yoke, and a main magnetic and a sub magnetic disposed in the yoke. Wherein the bonding portion of the first clamping plate and the sub magnetic is provided with an adhesive groove recessed from the bonding portion away from the sub magnetic. When the first clamping plate is bonded to the sub magnetic, the glue is filled between the first clamping plate and the sub magnetic and filled in the adhesive groove.
A planar dynamic sound transducer includes a magnet arrangement which for example comprises bar magnets and a fixing frame, and a diaphragm arrangement. The diaphragm arrangement has a tensioned diaphragm film (diaphragm for short), a tensioning device for the diaphragm, and a conductor structure applied to the diaphragm. When the conductor structure is conventionally provided with electrical connections mechanically sensitive connections and/or high transfer resistances often occur. An improved diaphragm arrangement for a planar dynamic sound transducer includes a support frame having at least one contacting surface, and a diaphragm tensioned on the support frame, and which at least one electrically conductive conductor track is applied by coating. At least one end of the conductor track applied by coating extends on to the contacting surface of the support frame. The connecting line can be connected to the contacting surface of the support frame by way of a solder join.
A speaker includes a frame having a receiving space, a vibration unit received in the receiving space, and a magnetic circuit unit for driving the vibration unit to vibrate and emit sound. The vibration unit includes a first diaphragm configured to vibrate and emit sound, and a voice coil for driving the first diaphragm to vibrate and emit sound. The speaker further includes a centering support sandwiched between the first diaphragm and the voice coil. In the speaker according to the present disclosure, by sandwiching the centering support between the voice coil and the first diaphragm, a positional conflict between the centering support and the main magnet is avoided, the main magnet can have an increased size, thereby enhancing the space utilization and sensitivity of the speaker, and improving the acoustic performance of the speaker.
A sound system is shown in the form of a speaker with or without a speaker box. A front member may be used with an elongate open portion with a top end and a bottom end and a speaker support with the speaker mounted to the speaker support. The speaker support may be coupled to the front member with a front of the speaker facing the front member and the front of the speaker substantially aligned with the bottom end of the elongate open portion. The bottom end of the elongate open portion may be positioned adjacent to a lower portion of the back of the torso of a user and the top end of the open portion is positioned higher near the back of the torso of the user. This combination may be used in a backpack, a chair or any other similar device.
The present disclosure discloses a wireless microphone system, which includes a host, a wireless communication component and multiple wireless microphones. The host includes a wireless signal processing component and an audio signal processing component. Each wireless microphone is configured to acquire a sound signal, convert the sound signal into an audio signal and wirelessly transmit the audio signal to the wireless communication component. The wireless communication component is configured to send the audio signal to the host. The wireless signal processing component is configured to receive the audio signal from the wireless communication component, perform signal processing on the audio signal to obtain speech data and send the speech data to the audio signal processing component. The audio signal processing component is configured to receive the speech data and perform data processing on the speech data to obtain sound data to be played for network transmission.
An active noise reduction (ANR) earphone with a housing comprising a front cavity and an exit that is fluidly coupled to the front cavity. An acoustic driver is configured to deliver acoustic energy into the front cavity of the housing. A nozzle is coupled to the housing and is configured to direct acoustic energy from the housing exit to a nozzle exit opening. A microphone is located in the nozzle. A compliant sealing structure is coupled to the nozzle and is configured to couple the earphone to an ear of a user.
Auricular attachments should be comfortable for long term wear.An auricular interface based on a skirt attachment is disclosed. By separating the uplifting force of the skirt from a separate downward force a more comfortable wearing is achieved. The skirt can optionally be pleated.The objective is achieved by a skirt structure having an outer surface that contacts least a part of an inner part of an outer boundary of a concha of a pinna, without the skirt touching the floor of the concha.
A display apparatus includes a display panel configured to display an image, and a sound generating device on a rear surface of the display panel and configured to vibrate the display panel to generate sound, wherein the sound generating device includes a plate, a magnet and a center pole on the plate, and an oval-shaped bobbin around the center pole.
The present disclosure provides a receiver module. The receiver module includes a receiver and a microphone. The receiver includes a holder, a vibration unit, a magnetic circuit unit, a front cover covering the holder and a cover plate. The vibration unit includes a diaphragm spaced apart from the cover plate to form a front cavity. The holder includes a holder body portion, a holder extension portion and a first through-hole. The front cover includes a front cover body portion, a front cover extension portion and a second through-hole. The microphone is fixed on a surface of the holder extension portion facing away from the cover plate. The front cavity, the second through-hole, the first through-hole and a sound inlet hole of the microphone communicate with one another. The microphone share the front cavity with receiver to absorb noise of the receiver, providing better sound effect.
The speaker box provided by the present disclosure includes a housing with an accommodation space and a speaker in the accommodation space. The speaker includes a diaphragm for radiating sound. The housing includes a ring-shaped step for fixing the speaker. The step further forms a fastening slot for fixing the speaker. The stop further includes a number of recesses extending from a surface toward the fastening slot along a direction away from the fastening slot. BY virtue of the recesses, without changing the vibration space, the acoustic capacitor of the front cavity is increased, and the harmonic peak is lowered. Acoustic performance is accordingly improved.
In the examples provided herein, a system has a plurality of arrayed waveguide gratings (AWG) having a plurality of input ports and a plurality of output ports. A signal within a given wavelength channel transmitted to one of the input ports of a given AWG is routed to one of the output ports of the given AWG based on a signal wavelength. The system also has a plurality of nodes, with each node comprising a set of components for each AWG that the node is coupled to. Each set of components comprises a plurality of optical transmitters, where each optical transmitter is tunable over multiple wavelength channels within a different wavelength band; a band multiplexer to multiplex the multiple wavelength channels within each different wavelength band; and a first output fiber to couple an output of the band multiplexer to one of the input ports of a first AWG.
A Computer-Aided Dispatch (CAD) system is specially configured to account for the physical condition of emergency personnel, which can affect their ability to effectively handle a particular incident. The CAD system tracks health, stress, and biometric status of each available emergency responder automatically and in real-time based on a wide range of collected information and to assess the suitability of available emergency responders to respond to a given emergency incident based upon such status information. Based on such status information, the CAD system can make intelligent recommendations to the emergency dispatcher by taking into account such things as the emergency responder's past experiences with a particular type of emergency incident, the current and cumulative status of the emergency responder, and projections as to the future condition of the emergency responder if dispatched to handle the emergency incident.
A sensor system can include a sensor configured to output raw sensor data, a plurality of processing modules configured to process the raw sensor data from the sensor to output processed sensor data, a state module for each processing module operative to cause a respective processing module to receive and/or process the sensor data, and a control module configured to receive a bitmask and to operate each state module based on the bitmask to control which processing modules process the sensor data and/or an order of processing. The bitmask can include a plurality of discrete bits. Each state module and/or processing module can be associated with at least one discrete bit.
Reconciling Adaptive Bitrate (ABR) segments across redundant sites may be provided. First, a working manifest may be set to match a primary downstream manifest and the working manifest may be updated using an auxiliary downstream manifest. Next, first segments missing from the working manifest as identified during updating the working manifest using the auxiliary downstream manifest may be copied from the auxiliary downstream manifest to the primary downstream manifest. The working manifest may then be updated using a primary upstream manifest. And then second segments missing from the working manifest as identified during updating the working manifest using the primary upstream manifest may be copied from the primary upstream manifest to the primary downstream manifest.
A method receives a manifest for video requested by a client device. The manifest including links for different versions of the video for the client device to use to request segments of the different versions of the video based on conditions detected by the client device. A placeholder in the manifest is selected based on a configuration specifying the placeholder as a trigger to insert alternate content into the manifest. The method then selects a metadata payload based on the configuration specifying the placeholder and a source of the metadata payload and dynamically inserts the metadata payload into the manifest at a position based on the placeholder. The metadata payload is added with an identifier from the configuration that identifies the metadata payload to the client device. The manifest is outputted with the metadata payload for use by the client device while playing the video.
A communication method between a source device and a target device utilizes speculative connection setup between the source device and the target device, target-device-side packet ordering, and fine-grained ordering to remove packet dependencies.
Systems and processes that incorporate teachings of the present disclosure may include, for example, identifying an action initiated by equipment of a first user of a number of users, during a presentation of a media program, and generating, responsive to the identifying of the action, an overlay comprising a symbol indicative of the action and situated in relation to the presentation of the media program. The overlay is presented, together with the media program, at a display of a second user of the plurality of users, wherein the symbol is selectable by the equipment of the second user. Other embodiments are disclosed.
The present disclosure relates generally to media content distribution, and more particularly to audience analysis using automated content recognition and identity management. In certain embodiments, a targeting system is provided for generating and presenting a user interface to assist an administrator in targeting particular users. For example, a user interface (referred to as an audience explorer) may be presented that allows the administrator to select one or more categories of users. For another example, a user interface (referred to as a genre explorer) may be presented to that allows the administrator to select a particular media category. For another example, a user interface (referred to as a show explorer) may be presented that allows the administrator to select a particular media segment. For another example, a user interface (referred to as a station explorer) may be presented that allows the administrator to select a particular content stream.
An example first playback device includes programming to perform functions including receiving a first request to associate with a first playback queue that is stored remotely from, and persists unassociated with, any playback device of the media playback system. The functions also include associating with the first playback queue and designating the first playback queue as an active queue of the first playback device. The functions also include receiving a second request to enter into a group with a second playback device that is associated with a second playback queue, entering into the group with the second playback device, associating with the second playback queue, and designating the second playback queue as the active queue of the first playback device. The functions also include receiving a third request to leave the group, and after receiving the third request, de-designating the second playback queue as its active queue.
The invention is: A method for decoding a service guide associated with a video bitstream comprising: (a) receiving a content fragment within the service guide, (b) receiving a name element within the content fragment, (c) receiving a description element within the content fragment and (d) decoding the service guide.
Disclosed herein are system, method, and computer program product embodiments for the detection of a mobile device to identify user preferences. An embodiment operates by detecting that a mobile device is within a vicinity of a computing device. A user ID that corresponds to the mobile device is identified. The user ID is provided to an application over a network, wherein the application identifies one or more preferences associated with the user ID. The one or more identified preferences are received from the application. The computing device is configured based on the one or more identified preferences associated with on the user ID, responsive to the detection.
A media system for providing community and behaviorally driven content selection and bundling based on user consumption data and an analysis of user affinity. The media system performs user affinity representations and analyzes content affinity. The media system performs content affinity representations and maps content analysis into groups. The media system creates multi-dimensional arrays and uses for user content, maps pricing choices to subscriber value, and, using algorithms which may include Artificial Intelligence and Machine Learning approaches, maps groups to pricing choices.
A configuration in which it can be determined on a packet-by-packet basis whether encoded data stored in communication packets is data based on randomly accessible encoded data is provided. A transmission apparatus generates a packet storing a NAL unit which is a component of encoded data or a packet storing NAL unit fragments obtained by further dividing the NAL unit, sets access point information indicating whether the NAL unit serving as the source data of packet storage data includes data serving as a random access point as additional information, and transmits the packet. A reception apparatus determines whether packet storage data is data generated based on randomly accessible encoded data with reference to the additional information of the packet.
Embodiments are directed towards remotely generating encoding metadata at a remote content distributor for use by a local user computing device. The remote content distributor receives and encodes content. During or after the encoding process, the remote content distributor generates encoding metadata that indicates how the content was encoded by the remote content distributor. The remote content distributor provides the encoding metadata to the user computer device. The user computing device receives the content and the encoding metadata and encodes the content based on the encoding metadata. The user computing device can then provide the encoded content to another computing device for decoding and presentation to a user.
A content streaming system and methodology for facilitating the management of content streaming. A video packaging and origination service provides streaming content that is organized according to a set of encoded content chunks. A video playback application processes the set of encoded content chunks to dynamically form a content segment for live video streaming. The video playback application further processes the set of encoded content chunks to apply framerate heuristics associated with encoded content segments.
Receiving a first portion of a live stream of a content item being either prerecorded or being captured from a live event, the content item comprising or to comprise a set of stream-enabled video segments, the first portion of the live stream comprising a first subset of stream-enabled video segments. Identifying insertion point(s) within at least one stream-enabled video segment. Generating a first playlist based on the one or more identified insertion points, the first playlist associated with at least a first sub-subset stream-enabled video segments. Providing the first playlist to a consumer system. Receiving a second portion of the live stream comprising a second subset of stream-enabled video segments. Receiving a second playlist associated with the second portion of the live stream. Updating the first playlist based on the second playlist, and providing the updated first playlist to the consumer system.
When a media client is receiving a media stream, the media client determines an upcoming time point at which the media client is to perform a content revision involving insertion (e.g., substitution or overlaying) of new content. The media client further determines an advanced time point when the media client should initiate a process of acquiring the new content, setting the advanced time point sufficiently in advance of the upcoming content-revision time point to enable the media client to obtain at least enough of the new content to be able to start the content revision on time. In an example implementation, the media client could determine the advanced time point by predicting how long the content-acquisition process will take, based on consideration of past instances of content acquisition, possibly correlated with operational factors such as content source, processor load, memory load, network speed, and time of day.
Aspects of the disclosure include a video decoding device that includes a processing circuit. The processing circuit is configured to receive encoded video data associated with an image frame that includes an encoded image, which is a combination of at least a first image corresponding to a first color space component of the image frame and a second image corresponding to a second color space component of the image frame, and determine a first coding tree structure for partitioning the first image into a first plurality of coding units. Moreover, the processing circuit is configured to determine a second coding tree structure for partitioning the second image into a second plurality of coding units based on the first plurality of candidate coding units, and reconstruct the second image for output according to the second plurality of coding units.
A method and apparatus for Intra prediction coding in multi-view video coding, three-dimensional video coding, or screen content video coding are disclosed. A first filtering-disable-flag associated with a high-level video data is determined to indicate whether to disable at least one filter from a filter group. If the first filtering-disable-flag is asserted, one or more selected Intra prediction modes from an Intra prediction mode group is determined, and at least one filter from the filter group for the current block is skipped if the current Intra prediction mode of the current block belongs to the selected Intra prediction modes. The system may further determine a second filtering-disable-flag associated with a low-level video data corresponding to a current block level or a higher level than the current block level to disable said at least one filter from a filter group for the low-level video data.
A merging motion information candidate generation unit derives, when information indicating whether or not to derive a merging motion information candidate shared for all prediction blocks in a coding block is information indicating the derivation of a merging motion information candidate shared for all the prediction blocks in the coding block, a plurality of merging motion information candidates shared for all the prediction blocks in the coding block. A merging motion information selection unit selects one merging motion information candidate from the plurality of merging motion information candidates and uses the selected merging motion information candidate in a prediction block subject to coding.
Provided is an inter-layer video decoding method including obtaining a disparity vector of a current block included in a first layer image; determining a block of a second layer image corresponding to the current block by using the obtained disparity vector; determining a reference block including a sample that contacts a boundary of the block; obtaining a motion vector of the reference block; and determining a motion vector of the current block included in the first layer image by using the obtained motion vector.
An image coding method includes: writing, into a sequence parameter set, buffer description defining information for defining a plurality of buffer descriptions; selecting one of the buffer descriptions for each processing unit that is a picture or a slice, and writing buffer description selecting information for specifying the selected buffer description, into a first header of the processing unit which is included in the coded bitstream; and coding the processing unit using the selected buffer description, and the buffer description defining information includes long-term information for identifying, among a plurality of reference pictures indicated in the buffer descriptions, a reference picture to be assigned as a long-term reference picture.
A method and system is provided for encoding video data according to target decoding device complexity. One embodiment is evidenced by a method of encoding video data for decoding on a target decoding device having parallel processing, comprising: receiving uncoded video data, computing a relationship between each of a plurality of encoding parameters and target decoding device decoding costs, selecting encoding parameters to minimize encoding costs, wherein the encoding costs include the target decoding device decoding costs, and encoding the uncoded video data according to the selected encoding parameters.
Technologies for increasing the reporting granularity of media render data transfers includes determining an estimated amount of transferred media data transferred by a direct memory access (DMA) controller of a compute device to a render link based on an elapsed time since the initiation of the rendering process and a data transfer rate of the render link. In some embodiments, an error value indicative of a difference between the estimated amount of transferred media data and a reported amount of transferred media data by the DMA controller is determined. If the error value fails to satisfy a threshold error value, the estimated amount of transferred media data may be determined based on a mean error value of previously determined estimated amount of transferred media data.
Provided is a computer-recordable recording medium having stored thereon a video file including artificial intelligence (AI) encoding data, wherein the AI encoding data includes: image data including encoding information of a low resolution image generated by AI down-scaling a high resolution image; and AI data about AI up-scaling of the low resolution image reconstructed according to the image data, wherein the AI data includes: AI target data indicating whether AI up-scaling is to be applied to at least one frame; and AI supplementary data about up-scaling deep neural network (DNN) information used for AI up-scaling of the at least one frame from among a plurality of pieces of pre-set default DNN configuration information, when AI up-scaling is applied to the at least one frame.
A method of controlling residual coding for decoding or encoding of a video sequence, is performed by at least one processor and includes determining whether a secondary transform is used, based on a primary transform that is set. The method further includes, based on the secondary transform being determined to be used setting a flag indicating whether the secondary transform is used to indicate that the secondary transform is used, determining the secondary transform, based on the set primary transform and an intra prediction mode of a current block of the video sequence, and performing the residual coding of a luma coding block of the current block and a chroma coding block of the current block, using the set primary transform and the determined secondary transform.
Provided are an image decoding method and apparatus and an image encoding method and apparatus, which filter a prediction block obtained via inter prediction.
The invention relates to displaying an autostereoscopic image of two viewpoints, each formed of strips of subpixels, called image strips, on an autostereoscopic display screen configured to display N viewpoints, N being greater than or equal to 3. The method includes detecting the position of a privileged observer relative to the screen; determining, for each eye of the observer, strips of the screen visible by the eye at the detected position; determining, for each eye of the observer, strips that are not visible by either of the two eyes at the position; an assignment to the subpixels, of the visible strips of the screen for each eye, of subpixels corresponding to the image strip of the corresponding eye; an assignment to the subpixels, of the non-visible strips of the screen, of subpixels corresponding to safety viewpoints constructed from subpixels of the image strips.
Systems and methods disclosed herein includes a measurement device to enable dimensional metrology and/or 3D reconstruction of an object. The measurement device is positioned between the object and reference luminaires (e.g., light emitting diodes or other light sources). The measurement device uses the reference luminaires to determine the position and orientation of the measurement device. The measurement device may include a camera oriented towards the reference luminaires and may acquire/use images of reference luminaires to determine the position and orientation of the measurement device. Using the reference luminaires, the system may determine positions and orientations of the measurement device when the images of the reference luminaires are taken. The system may be configured to use the positions and the orientations of the measurement device to determine dimensions and/or 3D models of the object.
Embodiments are generally directed to neural network based patch blending for immersive video. An embodiment of a system includes one or more processor cores; a memory to store data for images in immersive video; and a neural network training framework. The neural network training framework is to generate a trained neural network for blending of a view of an object with patches generated for one or more detected occlusions for the object.
An endoscope including an image pickup module in a distal end section, wherein the image pickup module including an image pickup unit including an image pickup device, a light emitting element configured to emit an optical signal from a light emission surface, and a ferrule disposed in the image pickup unit, in which the light emission surface is inclined at a first angle of not less than 35 degrees nor more than 55 degrees to the distal end section central axis, a fiber distal end portion is inclined at a second angle of not less than 35 degrees nor more than 55 degrees to the distal end section central axis, and the optical fiber extends toward the distal end section central axis, and is arranged along a bending section central axis in a bending section.
A display system of a vehicle includes a plurality of cameras configured to capture images of front, rear, rear left, and rear right sides of the vehicle and generate image data. The system further includes a plurality of display panels configured to receive and display the image data, and at least one sensor configured to sense a pupil of a driver and at least one of a position, a body direction, or a head height of the driver. A processor determines a position of a field of view of the driver on the basis of the pupil position data and the posture data and generates a display correction value on the basis of the position of the field of view. A display correction device adjusts a horizontal tilt and a vertical tilt of each of the plurality of display panels on the basis of the display correction value.
A window system based on video communication, the window includes a local terminal, remote camera, and an information processor; wherein the local terminal includes a local display and a local identification device, the local display is configured to display a corresponding remote video information; the local identification device is configured to identify a position of a local user's face; the remote camera is configured to capture a remote video information according to the position of the local user's face; the information processor is configured to calculate a range of the local user's visual field according to the position of the local user's face, select the corresponding remote video information according to the range of the local user's visual field from the remote video information, and transmit the corresponding remote video information to the local display.
A method for displaying images using an AR device. GNSS position data is received based on wireless signals received from a GNSS satellite. Based on the GNSS position data, a first GNSS point within a geospatial frame is determined within a first time range and a second GNSS point within the geospatial frame is determined within a second time range. Based on camera POS data, a first AR point within an AR frame is determined within the first time range and a second AR point within the AR frame is determined within the second time range. One of the frames is shifted such that the second GNSS point is aligned with the second AR point. An angle formed by the GNSS points and the AR points is calculated. One of the frames is rotated by the angle.
An imaging system includes an imaging apparatus that is mounted on a vehicle and generates an image by imaging an area around the vehicle, and a processing apparatus that is mounted on the vehicle. The imaging apparatus includes a plurality of pixels. A control unit controls exposure by each of the plurality of pixels, and a processing unit executes a predetermined test. The control unit controls exposure so that reading of a pixel signal is started in a second period after the completion of reading of a pixel signal in a first period. The processing unit executes a predetermined test in a third period, the third period is between the reading of the pixel signal in the first period and the reading of the pixel signal in the second period. The processing apparatus restricts a function of controlling the vehicle based on a result of the predetermined test.
An intelligent umbrella includes a base assembly, a center support assembly having one or more arm support assemblies, and one or more arms coupled to the one or more arm support assemblies. The center support assembly is a tubular structure to house electrical and mechanical components. The umbrella includes a computing device, the computing device integrated inside the center support assembly. The computing device includes one or more memory devices, one or more processors and computer-readable instructions stored in the one or more memory devices and executable by the one or more processors. The intelligent umbrella includes a shading fabric. The intelligent umbrella includes a camera, the camera to capture images of an area in proximity to the intelligent shading umbrella, the camera integrated inside the center support assembly.
An image sensor that obtains an image in which shake is corrected, while at the same time suppresses an increase in the circuit size, is disclosed. The image sensor has a plurality of pixels. Each of the plurality of pixels includes a light-sensitive element that detects the incidence of single photons; and a counter that counts a pulse contained in a signal. The image sensor further comprises a control unit that, on the basis of detected shake, switches a signal of the light-sensitive element supplied to the counter in a pixel, or replaces a count value of the counter of the pixel with a count value of the counter in another pixel.
An imaging device includes a focusing element, an image sensor, and an actuator configured to translate at least one of the image sensor and the focusing element relative to each other. A controller of the imaging device is configured to use the image sensor to capture an image frame including at least a portion of the image of the object, determine a current position of the image of the object in the image frame, determine a deviation of the current position from a target position of the image of the object in the image frame, and operate the actuator to reduce the deviation. In this manner, the image of the object may be brought to a center of a captured image frame. Such an imaging device may be used as a self-aligning eye-tracking camera in a near-eye display.
An image sensing system control method, comprises: (a) calculating a first motion delta between a first image frame and a second image frame following the first image frame by the image sensor; (b) calculating a first output motion delta according to a first time difference, a second time difference and the first motion delta by the image sensor if the image sensor receives a first polling from the control circuit, wherein the first time difference means a time difference between a time of the first polling and a time of the first image frame, and the second time difference means a time difference between a time of the first polling and a time of the second image frame; and (c) outputting the first output motion delta to the control circuit from the image sensor.
A camera decoration may include a main portion defining a first through hole configured to expose a camera; and an extending portion connected to an end of the main portion and defining a second through hole configured to expose a flash. A thickness of the extending portion may be less than a thickness of the main portion.
A printing apparatus to which an option unit can be connected includes a storage unit configured to store an update program for updating an option unit program, and an update unit configured to, if an option unit has been connected to the printing apparatus, update the option unit program using an update program stored by the storage unit.
An image processing apparatus capable of suppressing degradation of the image quality of output image data, caused by electrostatic noise, without increasing a circuit scale. The image processing apparatus transmits image data obtained by reading an original, in synchronism with a synchronization signal. Noise in the synchronization signal is detected and eliminated. An image is printed using the image data. The number of times of detection of the noise is counted, and a notification indicative of the number of times of detection of the noise is made.
An information processing apparatus is provided and includes a display unit which displays an operation screen. The information processing apparatus controls whether or not to receive setting for a first application from a different apparatus and use the received setting for the first application, in accordance with a type of a screen being displayed on the display unit.
A method for improving an echo cancellation effect and a system thereof are disclosed. The method comprises includes: performing a non-linear compensation for a non-linear response portion of an excitation signal using an NLC algorithm to obtain a compensated excitation signal; outputting the compensated excitation signal to an echo cancellation system; and performing echo cancellation for the compensated excitation signal by the echo cancellation system. According to the present disclosure, using the NLC algorithm, non-linear compensation is performed for the non-linear portion of the excitation signal, non-linear outputs generated due to non-linear characteristics of the system are pre-compensated when being input to the echo cancellation system, such that the echo signal output by the echo cancellation system is minimized and the echo cancellation effect is improved.
A system for providing additional information to called parties, the system comprises a base unit device for sending additional information to called parties, the base unit comprises a microprocessor, at least one Ethernet port, at least one telephone port, a first transceiver, and a first wireless antenna; and a display unit for receiving the additional information from the base unit device and displaying the additional information to the called parties, the display unit comprises a second transceiver, a liquid crystal display, a second wireless antenna, and a set of keys.
In one embodiment, a social networking system automatically establish a connection to a target user by selecting an avatar representing the target user, and establishing a connection by a communication channel based on current context and one or more rules configured by the target user.
Systems and methods for user exhalation and environmental air analysis are implemented in an integrated or dockable analysis architecture including an opening adjacent a device microphone to admit an exhalation of a user while the user is speaking. In an embodiment, the opening leads to a passageway having at least one gas sensor therein, located such that a user exhalation entering the opening will impinge on the at least one gas sensor. A processor is linked to the gas sensor, and is configured to receive sensor signals from the gas sensor and generate biological information for the user.
A conduit structure of an electronic device and an electronic device are provided. The conduit structure includes an inner structure including a front surface and a rear surface, wherein the front surface includes a first region configured to receive a display and a second region, which is a remaining area of the front surface of the inner structure; a receiver hole configured to penetrate the second region and to connect a receiver receiving space and an external space of the inner structure; a first through-hole configured to penetrate the first region and to connect the receiver receiving space and the front surface of the inner structure; a second through-hole, which is spaced apart from the first through-hole, configured to penetrate the first region and to connect the rear surface of the inner structure; and a flow path configured to connect the first through-hole and the second through-hole at the front surface of the inner structure.
A mobile communication device is provided. The mobile communication device includes: a housing; a screen covering the housing and enclosing a receiving space together with the housing; and a microphone assembly received in the receiving space. The screen is provided with a sound inlet passing through the screen. The microphone assembly includes a sound guiding portion fixed in the receiving space, a sound guiding channel passing through the sound guiding portion, and a microphone bonded to the sound guiding portion. The sound guiding channel has one end facing right towards and communicating with the sound inlet. The microphone is bonded to the sound guiding portion and communicates with another end of the sound guiding channel, and sound is transmitted into the sound guiding channel through the sound inlet and then transmitted to the microphone through the sound guiding channel.
A method and apparatus for enabling dynamic reroute in a redundant system is provided. A network device is operative to determine whether a state of a link that couples the first network device with a third network device is active. In response to determining that the state of the link is active causing a payload of a packet to be forwarded towards the third network device through the second network interface of the first network device based on a second IP address; and responsive to determining that the state of the link is not active causing the second payload to be forwarded towards the third network device through a third network interface of the second network device based on the second IP address.
Embodiments provides a method for facilitating a client-server communication using cyclic tokens. The method includes receiving a request for token generation from a client device, generating a token in response to the request for token generation, and sending the token and a number of sub-tokens to be formed from the token to client device. The method includes establishing a cyclic token by token server for client device, where establishing includes generating a plurality of sub-tokens from the token based on the number of sub-tokens. Method further includes sending the plurality of sub-tokens of token to client device in an order defined by a sequence, and recording the plurality of sub-tokens in an order defined by the sequence as cyclic token. The method further includes facilitating validation of cyclic token upon receipt of sub-tokens in order of sequence as part of token validation request from an application server for client device.
A mesh network device includes a content repository including a first section to store original data and a second section to store cached data, and an application processor including a user space, kernel space, and an on-path data caching engine. The on-path data caching engine is to receive, from a second mesh network device, data frames via a data link layer of a TCP/IP mesh network. The data frames include audio or video content. The on-path data caching engine is further to store the data frames in a socket kernel buffer, determine that a third mesh network device is a destination for the data frames, and forward the data frames to the third mesh network device. The on-path data caching engine is to determine that the audio or video content is to be cached and asynchronously copy the audio or video content to the second section of the content repository.
A message pushing method and an apparatus are provided in the field of electronic technology. The method may include: acquiring a push message corresponding to a target user account; acquiring a state parameter for each smart device that is bound to the target user account; determining whether each smart device is in an active state based on the state parameter; and sending the push message to at least one target smart device in the active state.
Various technologies pertaining to crowd sourcing data about an entity, such as a business, are described. Additionally, technologies pertaining to inferring metadata about the entity based upon crowd sourced data are described. A sensor in a mobile computing device is activated responsive to a user of the mobile computing device checking in at an entity. Metadata, such as occupancy at the entity, noise at the entity, and the like is inferred using the data captured by the sensor. A search result for the entity includes the metadata.
An apparatus in one embodiment comprises at least one processing platform comprising a plurality of processing devices. The at least one processing platform is configured to establish a connection between a given one of a plurality of Internet of Things (IoT) clients and a given one of a plurality of IoT brokers via a connectivity layer providing the plurality of IoT clients with centralized access to the plurality of IoT brokers, and to exchange data between the given one of the plurality of IoT clients and the given one of the plurality of IoT brokers via the connectivity layer.
A data communications network having a plurality of remote input units providing data, a data server for storing data, and subscriber units consuming data. The data communications network controls and manages the receipt of the data originating from the remote input, the processing of the data in a form suitable for the subscriber units, and the distribution of the processed data to the subscriber units.
An API mediation system can allow an original service designed to interact with client systems over a first API to interact with other client systems over a second API without significant modifications to the original service. The API mediation system can automatically generate a mediation layer designed to translate communications to and from the original service between the first and second APIs. Similarly, the API mediation system can implement a mapping between functions of the original service through the first API and equivalent functions over the second API, including mapping security operations or other security methods between the first and second APIs. To generate the mapping layer, the API mediation system can generate a model of the original service outlining the underlying functionality of the original service.
Various aspects provide for managing memory in virtual computer system. For example, a system can include a first network node and a second network node. The first network node receives a data packet via a first hardware network controller. The first network node also transmits the data packet over a communication channel via a second hardware network controller in response to a determination that memory data for the data packet is not mapped to the first network node. The second network node receives the data packet via the communication channel and provides the data packet to an operating system associated with the first network node and the second network node.
Personal Digital Server (“PDS”) is a unique computer application for the storage, updating, management and sharing of all types of digital media files, including audio, video, images and documents, irrespective of their format. PDS provides users with a single location to store and access, both locally and remotely, all of their digital media. It also provides the user total control of the overall management of these assets.
Systems and methods for server failover and/or load balancing are provided herein. Systems for server failover and load balancing may include a computer system in electronic communication over a network with one or more client applications, the computer system including a plurality of servers, and an engine stored on and executed by a client, the engine configured to allow one or more clients to select a target server among the plurality of servers using a client application identifier.
An asynchronous distributed computing system with a plurality of computing nodes is provided. One of the computing nodes includes a sequencer service that receives updates from the plurality of computing nodes. The sequencer service maintains or annotates messages added to the global state of the system. Updates to the global state are published to the plurality of computing nodes. Monitoring services on the other computing nodes write the updates into a locally maintained copy of the global state that exists in shared memory on each one of the nodes. Client computer processes on the nodes may then subscribe to have updates “delivered” to the respective client computer processes.
A method and a file networking system (FNS) transform a content file into a content-centric social network with managed connectivity and indexable touchpoints. The FNS injects a tracking code with widgets for user activities into each portable copy of the content file when user devices request access to the content file before distributing the portable copies to the user devices through a network. The FNS establishes a bidirectional communication with the distributed portable copies (DPCs) through the network to receive tracking information including user created touchpoints identified by the tracking code based on usage of the DPCs. The FNS indexes the touchpoints and creates a satellite internet of users of the DPCs based on invite information and usage of the DPCs. The FNS establishes communication between users of the DPCs in the satellite internet using the widgets through the tracking code and the indexed touchpoints, whereby grouping is automatically achieved.
To share snips of content, content access metadata of a content file is parsed to identify an accessible range of the content file and an inaccessible range of the content file with reference to content access rules for a user. A user can identify a selection of a snip of the accessible range of the content file in a user interface. Once the selection is identified, a copy of the snip of the content file, a link to the snip of the content file, or both can be generated and forwarded to the user. The link can include an argument that identifies a start and an end of the snip. The link can also include other arguments, such as copy snip, access rule, or expiration arguments. The copy of the snip can also be limited by the start and end of the snip.
Sharing resources by users of computing devices includes providing, at each computing device, a respective viewport to a common desktop environment that has the shared resources. The desktop is independently viewable and independently navigable through each respective viewport. Furthermore, each of the resources is independently viewable and able to be independently acted upon through each respective viewport. One or more resources of each computing device may be added to the desktop environment through the respective viewport of the computing device. A search user interface is provided for text string searching of resources of a respective viewport by a user at the computing device of the respective viewport; and an application launcher view user interface is provided for launching applications, which is viewable by clicking on an open space of the desktop environment as seen through the respective viewport, and by which launchable applications are searchable.
System and techniques for information centric network (ICN) implemented content data networks (CDNs) are described herein. A directive to initiate a cache operation for content may be received at a gateway of an ICN. An interest packet may be constructed based on the directive. The interest packet may be transmitted on the ICN and a response to the interest packet received. Here, the response has a payload that corresponds to the content. The payload then may be cached at a local repository of the gateway.
This application relates to a voice encoding and sending method performed at a computer implemented system. The method includes sending voice data from at least one mobile terminal to at least one different mobile terminal; receiving at least one path of Real-Time Transport Control Protocol (RTCP) packet based on the voice data; parsing the at least one path of the RTCP packet, to obtain network status information; obtaining comprehensive network status information by means of statistics of the network status information; and adjusting a quality of service (QoS) parameter according to the comprehensive network status information, and encoding and sending the voice data according to the adjusted QoS parameter.
Aspects of the subject disclosure may include, for example, allocating, by a processing system including a processor, a first subset of resources to a first plurality of applications and a second subset of the resources to a second plurality of applications, wherein the allocating is based on respective statuses associated with the first plurality of applications and the second plurality of applications, and assigning, by the processing system, a respective bitrate to each application of the first plurality of applications, wherein the assigning of the respective bitrate to each application of the first plurality of applications is based on: a first threshold associated with a re-buffering of content, and a second threshold associated with the statuses. Other embodiments are disclosed.
Aspects of the subject disclosure may include, for example, participating in a communication session over a network with a second communication device that is remote from the communication device where the communication session includes a computer supported collaborative work environment utilizing a non-baton passing protocol, presenting content at a display device where the content is presented by the second communication device at a second display device, receiving first user input at the user interface where second user input is received by the second communication device where a conflict resolution is applied to events associated with the first and second user input, and presenting adjusted content at the display device. Other embodiments are disclosed.
A processing device receives an event notification indicating a security configuration change of a cloud computing resource associated with a member account. In response, the processing device identifies a security policy associated with an administrative account corresponding to the member account and evaluates the security policy against the security configuration change to determine compliance with the policy. If not in compliance, the processing device generates a change event indicating a repair to the security configuration of the cloud computing resource to bring the security configuration into compliance with the security policy.
A system and method for generating a policy entitlement map usable to provide a visualization of policies based at least in part on a set of resources of a service of a computing resource service provider, a set of actions that can be taken with the set of resources, or one or more identities. The policy entitlement map may be generated to reflect a set of actions performable by identities of the one or more identities, a set of resources accessible by the identities, or a set of actions that may be performed on the resources.
Apparatus and methods are provided for improving the security and transmission of data carried by an Internet of Things (“IOT”) network. Each node on the IoT network may include a pass-through network access port and a dedicated network access port. The dedicated network access port may be used by the node intermittently to transmit/receive a first class of data. The pass-through network access port may be used continuous by the node to transmit/receive a second class of data. The dedicated network access port may transmit/receive data using a first transmission channel that is physically or virtually isolated from a second transmission channel that is used by the pass-through network access port. Providing isolated transmission channels may improve the security of data transmitting using the dedicated network access port.
A method for managing local ports in a packet-oriented data network is proposed, wherein packets are assigned to a selected local port, and assignment of a local port is controlled based on observation of transmission on the network. The invention also relates to a local port managing device, a packet-oriented data network, a digital storage media, and a computer program product.
A method includes scanning a subset of a plurality of processing nodes in a network for vulnerabilities, selecting a first one of the processing nodes not in the subset, and determining a similarity measure between the first processing node and at least a second one of the processing nodes in the subset identified as having a given vulnerability. Determining the similarity measure comprises determining a first similarity between vulnerabilities previously detected on the first and second processing nodes and determining a second similarity between attributes of the first and second processing nodes, the similarity measure being based at least in part on the first and second similarities. The method also includes identifying that the first processing node has the given vulnerability based at least in part on the similarity measure, and modifying access to the first processing node responsive to identifying that the first processing node has the given vulnerability.
A method for analyzing past user sessions for malicious intent. A security incident is detected by a computer system. Responsive to detecting the security incident, a forensic investigation is triggered by the computer system using a set of security rules for detecting website vulnerability in which the set of security rules is applied to a set of past user sessions, wherein the set of security rules is for a dynamic analysis product.
Methods and systems for visualizing, analyzing, archiving and securing computer and internet of things (IoT) data networks are disclosed. The system includes a data collection device (sensor), preprocessing unit, analysis unit containing at least the Koopman mode analysis unit, and a postprocessing unit. The methods include Koopman mode analysis, support vector machines or deep learning used to compute the baseline, detect and rank known and unknown threats to the system, visualize and archive them.
A network traffic hub is configured to receive a request for a port service (i.e., port forwarding or port triggering) from a smart appliance in a local network. The request may be a part of the UPnP protocol, which includes SSDP and IGDP. The request may be transmitted to the network traffic hub directly or the network traffic hub may intercept the request transmitted to a router of the local network. By receiving the request, the network traffic hub prevents automatic establishment of the port service between the smart appliance and the router until an approval or denial of the port service is received from a user. As such, the user is informed of the request and has the ability to approve or deny the port service. Furthermore, the network traffic hub can configure a network to perform a port service if the network does not allow for it natively.
Systems and methods for analyzing network traffic are provided. An exemplary system may include a plurality of network nodes distributed in multiple geographical regions. The plurality of network nodes may be configured to collect mass scanning network traffic data. The system may also include at least one processor. The processor may be configured to receive, from a first network node, a first network scanning request from a source scanner. In response to the reception of the first network scanning request, the processor may also be configured to transmit, via a second network node, a second network scanning request to the source scanner. The processor may further be configured to determine, based on feedback from the source scanner, whether the source scanner is compromised.
In one implementation, a method for automatically generating a security policy for a controller includes receiving, by a security policy generation system and from a controller development environment, code for a device controller; selecting middleware that enforces a security policy; analyzing the code for the device controller; based at least in part on the analyzing, automatically generating the security policy; and providing the selected middleware along with the generated security policy.
In accordance with embodiments, there are provided mechanisms and methods for security verification of communications to tenants of an on-demand database service. These mechanisms and methods for security verification of communications to tenants of an on-demand database service can enable embodiments to allow tenants to selectively implement security measures with respect to inbound communications, etc. The ability of embodiments to provide such feature may allow tenants to efficiently and effectively implement security measures for in-bound emails.
The disclosed computer-implemented method for validating a user's physical location may include (i) identifying a plurality of sensor-equipped devices that are connected to a local network, wherein the local network is associated with a physical location, (ii) receiving a request to validate that a user is present at the physical location that is associated with the local network, (iii) instructing, in response to receiving the request, the user to interact with at least one sensor-equipped device in the plurality of sensor-equipped devices, (iv) confirming, based on observing a response of the sensor-equipped device, that the user has interacted with the at least one sensor-equipped device, and (v) validating, in response to confirming that the user has interacted with the at least one sensor-equipped device, that the user is present at the physical location. Various other methods, systems, and computer-readable media are also disclosed.
A system, apparatus and method are presented for facilitating remote wager communications using a mobile communications device while the device is within range of one or more beacons within a venue. In various embodiments, one or more beacons broadcast a periodically changing wireless passcode that is received by a mobile communications device and transmitted to a gaming authentication server. The gaming authentication server determines a shared secret code and compares it to the wireless passcode or a portion thereof in order to determine if the mobile communications device can be authenticated for remote gaming within the venue.
Aspects of the present disclosure relate to dynamically generating a security challenge and corresponding password. A set of user activity data may be obtained from one or more data sources. The set of user activity data may then be analyzed. Based on the analysis, a security rating may be generated for the user activity data. The security rating may be compared to a security threshold to determine whether the set of user activity data is secure. In response to the security rating satisfying the security threshold, the security challenge and password corresponding to the security challenge may be generated based on the set of user activity data.
A method of encrypted communication by a terminal device is described. An encryption request for a message is obtained by processing circuity of the terminal device. The encryption request includes an identifier of an encryption routine and an encryption key. The encryption routine is identified according to the identifier of the encryption routine included in the encryption request. An encrypted message is generated by the processing circuity of the terminal device by encrypting the message using the identified encryption routine and the encryption key included in the encryption request. Moreover, a data packet is generated by the processing circuity of the terminal device by performing a packet assembly process on the encrypted message. The data packet is sent to another device via a network.
Systems, methods, and non-transitory computer-readable media can provide a messaging interface, the messaging interface including a first region and a second region, the first region being segmented from the second region; provide access to one or more ephemeral message threads in the first region, the ephemeral message threads being ranked according to one or more criteria; and provide access to one or more non-ephemeral message threads in the second region, the non-ephemeral message threads being ranked according to one or more criteria.
Systems and methods for detecting component rotation within a communication assembly are provided. In certain embodiments, a system includes a module; an adapter block that includes multiple front ports and multiple rear ports configured to receive an optical connector; a managing entity configured to control port identification for the front and rear ports; and a circuit board mounted to the adapter block, wherein the circuit board comprises multiple front contact assemblies and multiple rear contact assemblies, wherein each front port is associated with a front contact assembly and each rear port is associated with a rear contact assembly, wherein when a rear contact assembly is electrically coupled to a connector, the connector generates an event that is sent to the managing entity, whereupon the managing entity remaps the port identification for the front and rear ports.
An asynchronous switching system and method for processing SDI data streams, the system and method utilizing one or more buffers for cleaning up an output of a dirty IP switch.
Techniques for maintaining high availability servers are disclosed. For example, a method comprises the following steps. One or more client requests are provided to a first server for execution therein. The one or more client requests are also provided to a second server for storage therein. In response to the first server failing, the second server is configured to execute at least one client request of the one or more client requests provided to the first server and the second server that is not properly executed by the first server.
A method and device for realizing automatic stacking of network devices are disclosed. According to an example of the method, when a network device determines its device role, the network device may send a first neighbor discovery message to a neighbor device and receive a second neighbor discovery message sent by the neighbor device. Next, if it determines that a topological structure between the network device and the neighbor device changes according to the second neighbor discovery message, the network device may determine whether a stacking condition to trigger stacking the network device and the neighbor device is satisfied or not. If the stacking condition is satisfied, the network device may further determine a stacking configuration for stacking the network device and the neighbor device. Then the network device may stack the network device with the neighbor device according to the stacking configuration.
A method includes generating an active route (AR) between a first network element (NE) and a second NE, the AR includes a first route between an active core device (ACD) and the first NE and a second route between the ACD and the second NE, transmitting data between the first NE and the second NE through the AR sending an identity and a state of a first gateway interface that is connected to the first NE and is included in the ACD to a standby core device (SCD), the SCD generates a standby route (SR) between the first NE and the second NE, the SR includes a third route between the SCD and the first NE and a fourth route between the SCD and the second NE; and when a fault occurs on the first route, transmitting the data between the first NE and the second NE through the SR.
Embodiments facilitate efficient recovery from an inter-stream messaging system failure by using heartbeat messages (HMs) to act as watermarks for message recovery. Embodiments insert HMs into each of the input streams at configurable regular intervals. The inter-stream router determines that a message being routed is a HM, and corresponding output HMs are generated based on the input HM. Embodiments insert a respective output HM into each of the output streams. Information indicating which output HMs have been processed from the output streams is tracked. After a failure of the inter-stream router, embodiments identify a target HM for each input stream, which is the latest HM sourced from the respective input stream that was processed from all of the output streams. After the inter-stream router restarts, the router initiates message routing, from each input stream, at the location of the respective input stream's target HM within the input stream.
A method for generating a decision table for selecting an optimal path out of a plurality of data paths between a client and a destination server connected through a network system, each of the plurality of data paths is connected to a router configured with a unique internet protocol (IP) address is provided. The method includes for each subnet IP address of the remote destination server and each of the plurality of data paths, measuring a network proximity; factoring the network proximity measured for each of the plurality of data paths; and ranking the plurality of data paths based on a decision function computed using the factored network proximity.
Techniques for implementing dynamic timeout-based fault detection in a distributed system are provided. In one set of embodiments, a node of the distributed system can set a timeout interval to a minimum value and transmit poll messages to other nodes in the distributed system. The node can further wait for acknowledgement messages from all of the other nodes, where the acknowledgement messages are responsive to the poll messages, and can check whether it has received the acknowledgement messages from all of the other nodes within the timeout interval. If the node has failed to receive an acknowledgement message from at least one of the other nodes within the timeout interval and if the timeout interval is less than a maximum value, the node can increment the timeout interval by a delta value and can repeat the setting, the transmitting, the waiting, and the checking steps.
An apparatus and a method for estimating a traffic rate between a virtual machine pair includes, when a rate of traffic sent by a virtual machine vm-x1 to a virtual machine vm-y1 is estimated, obtaining at least rates of sending traffic by N21 virtual machines deployed in N2 physical hosts and including the virtual machine vm-x1, rates of traffic sent by N1 switching devices to N4 switching devices, rates of receiving traffic of N31 virtual machines deployed in N3 physical hosts and including the virtual machine vm-y1, and rates of outgoing traffic of the N4 switching devices.
Systems and methods for configuring telecommunications networks include obtaining network data flow information for a telecommunications network that includes attributes of multiple routes of data transmission through the telecommunications network. Utilizing at least one processing device, a filtering criteria is applied to the network data flow information to identify a subset of the routes having a shared attribute to generate filtered data. The filtered data is then used to generate a diagrammatic representation of the network flows and/or processed to automatically generate reconfiguration messages to improve network traffic distribution and flow.
A method for auto-scaling at least one web server and at least one WAS (Web Application Server) is provided. The method includes a WAS administrating server grouping, as a first service group, both at least one first web server and at least one first WAS, which are connected with each other to provide a first application service, and grouping, as a second service group, both at least one second web server and at least one second WAS, which are connected with each other to provide a second application service, to thereby create at least two groups each of which includes at least its corresponding pair of web server and WAS, and the WAS administrating server allowing each of the grouped pairs of the web servers and the WAS's to be scaled out or scaled in, independently, by a process of scaling-out or scaling-in.
A network device that determines RACH root sequences for AP devices within a given market. The network device can utilize a specialized graph coloring process or algorithm that has been adapted to, e.g., ensure that no two neighboring AP devices share the same RACH root sequences, provided certain additional constraints not found in graph coloring theory are met. For example, AP devices can have multiple RACH root sequence, whereas in traditional graph coloring problems, each vertex typically has only one color.
In order to dynamically vary a pacing threshold and perform pacing control such that there is no bias in the stress applied to a user, a statistical information processing means: acquires statistical information of a mid-communication disconnect in which a user terminal disconnects in the midst of communications, in respect to communications according to an application protocol; calculates a degree of user dissatisfaction for each application protocol on the basis of the statistical information; and manages, for each application protocol, a pacing threshold corresponding to the degree of user dissatisfaction. A call processing means determines a pacing threshold for each application protocol such that communication traffic to a user terminal does not exceed a prescribed band upper limit and the degree of user dissatisfaction of each application protocol is the same, and executes pacing processing such that the communication traffic of each application protocol is below the determined pacing threshold.
A method for assisting communication of a source host upon movement from a first Data center (DC) to a second DC is disclosed. The method includes identifying that the source host has moved from the first DC to the second DC, ensuring that packets identifying a source as the source host in the second DC are copied to a control plane network element, and, for a first destination host identified in a first packet copied to the control plane network element and identified as a host that is not in the second DC, updating an Address Resolution Protocol (ARP)/Neighbor Discovery Protocol (NDP) cache of the source host by sending, to the source host, a first ARP message/unsolicited neighbor advertisement specifying a Media Access Control (MAC) address of an edge router associated with the source host in the second DC as a destination MAC address for the first destination host.
One embodiment is directed to a system comprising a first unit communicatively coupled to a second unit via a communication link. The second unit comprises a reconfigurable circuit, the reconfigurable circuit configured with the first or second circuit configuration image. The second unit further comprises an interface device configured to communicatively couple the second unit to the communication link, the second unit configured so that the interface device is configured with the first or second interface configuration image based on the configuration of the reconfigurable circuit configuration.
A datacenter cabling issue addressing system includes computing devices interconnected by cabling subsystems. Cabling locator devices are associated with each of the cabling subsystems. A cabling management system receives cabling issue identification information through a network that identifies a cabling issue with a first cabling subsystem. A cabling issue location of the first cabling subsystem is determined using the cabling issue identification information and a first cabling locator device location received through the network from a first cabling locator device that is associated with the first cabling subsystem. A current location is received through the network from each of the cabling servicing devices and, in response, a first cabling servicing device is determined to include a current location that is closest to the cabling issue location. The cabling issue location of the first cabling subsystem is then provided through the network for display on the first cabling servicing device.
A network device may receive intelligent operations interface information that may comprise resources or events that may affect a communication system. The intelligent operations interface information may be processed to isolate network performance problems and effectuate a prioritized resolution of the network performance problems. The intelligent operations interface may take into account a ripple effect of fixing or not fixing one network performance problem over another network performance problem when determining the prioritized resolution of the network performance problems.
Techniques for apparent cloud access of a hosted content item. In one embodiment, for example, a method performed at a personal computing device executing a user agent comprises: receiving a block agent request for a content item from the user agent; determining content item block identifiers of content item blocks that make up the content item; determining which, if any, of the content item blocks that make up the content item are not stored in a local storage of the personal computing device; downloading, from a block server of an online content management system, any of the content item blocks that are not stored in a local storage of the personal computing device; and sending to the user agent, in a response to the block agent request, data of each of the content item blocks that make up the content item.
A wireless device generates a Legacy preamble, a 20 MHz Orthogonal Frequency Division Multiplexing (OFDM) symbol, and a Wake-Up (WU) signal portion. The Legacy Preamble includes a Legacy Short Training Field (L-STF), a Legacy Long Training Field (L-LTF) and a Legacy Signal (L-SIG) field. The 20 MHz OFDM symbol has a duration of 4 μs. The WU signal portion has a frequency bandwidth that is narrower than a frequency bandwidth of the Legacy preamble. The wireless device transmits a frame, which includes transmitting the Legacy preamble, transmitting the 20 MHz OFDM symbol immediately after transmitting the Legacy preamble, and transmitting the WU signal portion immediately after transmitting the 20 MHz OFDM symbol.
Disclosed is a signal source estimation method and apparatus performing the same, the signal source estimation method including acquiring first reception signals received by first receivers, among signals radiated from signal sources, selecting second receivers receiving reception signals to be used to estimate the signal sources, from among the first receivers based on the first reception signals, and detecting the number of signal sources based on second reception signals received by the second receivers.
A communication network for appliances is provided. The communication network includes: (a) a plurality of local communication devices, each of the plurality of local communication devices transmitting data related to at least one of (i) a user of an appliance, and (ii) an appliance; and (b) a communication hub receiving data transmissions from each of the plurality of local communication devices, wherein communications between the plurality of local communication devices and the communication hub are encrypted.
A device may include one or more sources such as circuit elements and electrical components that function as sources for physically unclonable function (PUF) data. PUF data may be acquired from the PUF sources and one or more error correction codes may be applied to the PUF data. The resulting PUF values may be used to generate information that may be used for device security operations such as encryption and tamper detection.
A system includes a processor and a computer-readable medium storing instructions for execution. The instructions include generating a cryptographic pair of user public and private keys for a user. The instructions include registering an identity of the user with an identity provider, transmitting the user public key, and receiving a user certificate from the identity provider. The instructions include signing a trust certificate for a web server, including an address and a public key of the web server, with the user private key. The instructions include, in response to an access request from the user specifying a second web server: obtaining a second trust certificate from the second web server; and establishing a connection with the second web server in response to successful verification of a signature of the second trust certificate using a public key corresponding to a trusted contact of the user.
A method and system for providing unencrypted access to encrypted data that may be stored on a device, sent as a message, or sent as a real-time communications stream. The method may include using public key cryptography to securely enable accessing the encrypted data stored on a device or communicated by a device. For instance, the method may include using a device vendor's public key to securely enable that vendor to enable only authorized parties to themselves decrypt previously-encrypted device storage, messages, or real-time communications streams.
A computer device configured to install computer applications is provided. The computer device includes at least one processor in communication with at least one memory device. The at least one processor is programmed to receive a request to install a first application on a user computer device. The at least one processor is also programmed to scan at least one memory device of the user computer device for a device token associated with a second application. Upon detection of the device token, the at least one processor is programmed to retrieve the device token from the at least one memory device of the user computer device. The at least one processor is further programmed to validate the retrieved device token. Upon validation of the device token, the at least one processor is also programmed to install the first application and associate the device token with the first application.
Novel tools and techniques are provided for implementing scaling and distribution of blockchains without ledger limitations. In various embodiments, a computing system might access many instances of a blockchain from many distributed peers. The computing system might parse a first instance of the blockchain accessible from a first distributed peer, to produce a first sample segment of a hash value of one of many blocks of the blockchain. The computing system might compare the first sample segment with a corresponding hash value portion of a second instance of the blockchain accessible from a second distributed peer, without comparing hash values of the entire first instance with those of the entire second instance. Based on a determination that the first sample segment and the corresponding hash value portion do not match, the computing system might send a notification to a user indicating that the first instance and/or second instance is invalid.
A method and an apparatus method are provided for transmitting uplink information including acknowledgement information in a wireless communication system. The method includes determining whether transmission of acknowledgement information overlaps with transmission of uplink data in a time domain; multiplexing the uplink data and the acknowledgement information, in case that the transmission of the acknowledgement information overlaps with the transmission of the uplink data in the time domain; and transmitting the multiplexed uplink data and acknowledgement information to a base station. The acknowledgement information is located adjacent to a pilot for the uplink data, and the pilot is used for demodulation of the uplink data.
Demodulation reference signals (e.g., DM-RSs) are transmitted for a 5G, or other next generation network using an adaptive DM-RS structure. Demodulation reference signal data representative of demodulation reference signals employable to perform channel estimation of data channels is generated the demodulation reference signal data is transmitted, via a channel other than the data channels, to be used for the channel estimation. The adaptive DM-RS structure can be based on a modulation scheme used for data transmission. An orthogonal variable spreading factor code tree can be used when choosing an orthogonal cover code, and resource mapping for DM-RSs can be made unequal based on analysis of antenna ports. Further, a DM-RS with high resource density can be used to compensate for phase noise.
Aspects of the present disclosure provide methods and apparatuses for sounding reference signal (SRS) enhancements. An exemplary method performed by a user equipment generally includes receiving information indicating a symbol, in a sub-frame of a radio frame used to communicate in the wireless network, for transmission of sounding reference signals (SRSs), wherein a location of the symbol in the sub-frame is based, at least in part, on a location of the UE and transmitting a SRS in the symbol based on the received information.
The present specification provides a method for performing a physical layer security-based hybrid automatic repeat request (HARQ). The method comprises the steps of: generating a first code comprising information bits for forming data to be transmitted, and non-information bits which are unrelated to the data to be transmitted; generating a second code, having a length which differs from that of the first code, by puncturing the first code; determining locations of the information bits and non-information bits within the second code such that a variance of mutual information for each of the information bits and the non-information bits is maximized; and performing the HARQ by using the second code in which the locations of the information bits and the non-information bits are determined.
Certain aspects of the present disclosure provide methods and apparatus for multi user bar protocols and frames. According to certain aspects, an apparatus is provided for wireless communications. The apparatus generally includes a processing system configured to determine that a plurality of devices have a first capability and generate a multi-user (MU) packet that solicits an immediate response from a plurality of the devices, wherein the immediate response comprises an acknowledgment (ACK) or block ACK (BA) and an interface configured to output the MU packet for transmission.
Methods for transmitting a channel state information-reference signals (CSI-RS) and a base station are provided, where the example method includes aggregating, by the base station, first configuration modes of K CSI-RSs to form a second configuration mode of the CSI-RSs, where K is an integer greater than or equal to 2, where each of the first configuration modes is a configuration mode of X ports, where a value of X is 2, 4, or 8, and where the first configuration mode includes a position of a resource element corresponding to each of the X ports. The second configuration mode is a configuration mode of X*K ports, and the second configuration mode includes a position of a resource element corresponding to each of the X*K ports. The method further includes sending, by the base station, a CSI-RS to user equipment UE using the second configuration mode of the CSI-RSs.
Systems and methods described herein measure quantum bit error rates in links between switches in a time-sensitive network, identify an increase in the quantum bit error rate in a monitored link of the links between the switches, and modify a configuration of the time-sensitive network so that secret information is not exchanged over the monitored link associated with the increase in the quantum bit error rate. The systems and methods optionally can direct computing devices to change or update the quantum key at a rate that is no slower than a rate at which the messages or frames are communicated between the computing devices. For example, a new portion of secret information used for secure communications can be created for each message and/or each frame that is communicated.
This present invention creates a method of amplitude processing of audio signals, primarily but not exclusively for musical and sound designing purposes. This invention detects the amplitude variations and constancies of a controlling input signal or signals and generates corresponding variations and constancies in another input signal or signals to a specific degree and in a specific manner or combination of manners of operation, at the control of various parameters, rendering a unique and innovative audio effect without changing any frequency content of any signals in the function of the amplitude regulation. This method of amplitude control shall be called amplitude regulation, or amplitude inducing; thus, the invention is titled Indux Dynamics Inducer.
A method for broadcast processing, a non-transitory storage medium and an electronic device are provided. The method includes: acquiring a currently-sending broadcast message in a broadcast queue; determining a type of the broadcast message; and calling an interface configured to send the broadcast message and sending the broadcast message to a corresponding broadcast receiver.
A method by which a terminal performs frequency measurement in a wireless communication system, and a device for supporting the same are provided. The terminal receives an intra-frequency measurement threshold value and an inter-frequency measurement threshold value for a reduced performance measurement group, measures a signal level of a serving cell, and performs frequency measurement on the basis of the measured signal level of the serving cell and the received threshold values, wherein the intra-frequency measurement threshold value can be larger than the inter-frequency measurement threshold value for the reduced performance measurement group.
According to aspects of the present disclosure, a radar transmitting power and channel performance monitoring apparatus is disclosed. In one example, such apparatus may include a plurality of couplers, power combiners of multiple stages, and a power monitoring module, wherein the couplers are connected with transmitter/receiver modules of the radar, and each coupler may be configured to collect a transmitting power of a corresponding transmitter/receiver module. Further, the power combiners may be configured to combine the transmitting power collected by each coupler and input the resultant total power to the power monitoring module, and the power monitoring module may be configured to monitor the total power. In addition, aspects of the present disclosure may test an amplitude and phase consistency of the transmitting and receiving channels of each T/R module of radar to ensure the performance of the radar system.
A transmitting method includes: receiving a dimming ratio which is specified for a light source as a specified dimming ratio (S551); transmitting a signal encoded in a first mode by changing luminance while causing the light source to emit light at the specified dimming ratio when the specified dimming ratio is less than or equal to a first value; and transmitting the signal encoded in a second mode by changing the luminance while causing the light source to emit light at the specified dimming ratio when the specified dimming ratio is greater than the first value (S552). Here, a peak current value of the light source when the specified dimming ratio is greater than the first value and less than or equal to a second value is less than the peak current value of the light source when the specified dimming ratio is the first value.
A base station is configured to provides a beam change feedback channel for a user equipment to communicate unsolicited beam change feedback to the base station. If the user equipment determines that a beam other than the beam to which the user equipment is tuned has a stronger signal, the user equipment initiates a transmission on the beam change feedback channel to the base station indicating a beam change. The base station uses the feedback from the user equipment to update the beam to the user equipment.
Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine a set of physical uplink control channel (PUCCH) resources to be used to transmit a channel state information (CSI) payload based at least in part on a first rank that is independent of a second rank used to construct the CSI payload; and transmit the CSI payload, to a base station (BS), using one or more resources from the set of PUCCH resources. Numerous other aspects are provided.
Aspects are provided which handle dynamic blockage of beams transmitted by a base station to UEs in millimeter wave communication. In one aspect, the base station identifies at least two UEs with which the base station has established a link and which may be potentially blocked from the base station by a dynamic blocker such as a moving vehicle. After the potentially blocked UEs are identified, the base station schedules all identified UEs for joint beam training and receives feedback transmitted by the UEs to determine if a dynamically blocked spatial region exists. If a blockage exists, the base station performs a follow-up procedure to avoid the dynamically blocked spatial region and provide coverage for the UEs, for example, by blanking out or not using blocked beams in subsequent beam training and/or by coordinating with a neighbor cell. The base station may thus proactively improve coverage of dynamically blocked UEs.
Disclosed is a method for uplink transmission and reception in a wireless communication system and an apparatus therefor. Specifically, a method for performing uplink transmission by a user equipment (UE) in a wireless communication system may comprise the steps of: receiving downlink control information (DCI) including sounding reference signal (SRS) resource indication (SRI) and precoding indication from a base station; and transmitting an uplink to the base station by applying precoding indicated by the precoding indication on an antenna port of an SRS transmitted within an SRS resource selected by the SRI.
This application discloses an information transmission method and a related device. The method includes: determining, by a terminal device, a first time element and a second time element, where the first time element is a time in which the terminal device sends first information to a first network device on a first carrier, the second time element is a time in which the terminal device sends second information to a second network device on a second carrier, and the first time element and the second time element overlap in time; and when the terminal device determines to send the first information to the first network device on the first carrier in the first time element, sending, by the terminal device, the second information to the second network device on the second carrier in a third time element.
Embodiments detect the presence of proximity integrated circuit cards (PICCs) during wireless charging by analyzing the signal strength of a subcarrier within a near field communication (NFC) field. An NFC reader sends requests or other commands to stimulate a response from a PICC that may be in the operating area, and the presence of a PICC is determined based upon the signal strength for the subcarrier. For one embodiment, the subcarrier signal strength is compared to background values measured without stimulus to determine if a PICC is present in the operating area. As such, the presence of a PICC is detectable even where NFC communication with a PICC is unsuccessful because the PICC response is corrupted or not detectable due to interference. Once the presence of a PICC is determined, one or more actions can be taken to protect the PICC from damage due to wireless charging.
In accordance with one or more embodiments, a guided wave launcher includes an array of antennas that generates first near field signals. A reflector is configured to guide the first near field signals to a surface of a transmission medium, the first near field signals inducing a first guided electromagnetic wave that is guided by the surface of the transmission medium and propagates along the transmission medium without requiring an electrical return path.
In a case that a large number of terminal apparatuses accommodated in a contention based radio communication technology share a frequency resource, the number of data signals of the terminal apparatuses which are non-orthogonally multiplexed in the spatial domain increases. Therefore, in a case that the number of non-orthogonally multiplexed data signals of the terminals is considerably large, residual interference after removing interference in the reception processing degrades transmission performance. A transmission device for transmitting a data signal to a reception device includes a transmission processing unit configured to transmit the data signal without receiving SR transmission and control information for transmission authorization transmitted by the reception device, an identification signal multiplexing unit configured to multiplex an identification signal on an orthogonal resource, and a control information receiving unit configured to receive in advance a transmission parameter associated with the data signal transmission. The transmission parameter includes any of a first data transmission to transmit the data signal by using a continuous frequency resource and a second data transmission to transmit the data by using a discontinuous and equal interval frequency resource.
A system and methods for transmission and coherent detection of data signals modulated by a plurality of overlapping chirps in a chirp spread spectrum communication system (CSS). Data signals input to an adaptive overlapping transmitter are modulated by a plurality of overlapping chirps and transmitted over a wireless communication system to a coherent receiver. The coherent receiver includes a chirp matched filter which detects the chirps, a fast Fourier transform which converts the received chirps to the frequency domain, a plurality of bandpass filters which separate the transformed chirps by frequency band, and bank of integrators which sums the amplitudes of the chirps in each frequency band, and decision circuitry which matches the amplitudes to reference values and iteratively decodes the bit sequences of to recover the data signals.
Provided is a portable terminal cover. The portable terminal cover includes a plurality of transparent side surfaces configured to cover a plurality of side surface display parts of a portable terminal and a front surface configured to cover a top surface display part of the portable terminal and connected to at least one side surface of the side surfaces and thereby to confirm an image provided on the side surface display parts while protecting the side surface display parts of the portable terminal.
A microwave switched multiplexer having a bandpass Δf between frequencies f1 and f2, Δf=f1−f2, the multiplexer comprising an input microwave resonant waveguide; an output microwave resonant waveguide; and, n transmission channels where n>1, each transmission channel coupled to the input microwave resonant waveguide and the output microwave resonant waveguide, each transmission channel having a transmission bandpass at a center frequency within Δf, the center frequencies of the transmission channels being equally spaced apart in frequency by Δf/n; each transmission channel comprising (a) an input resonator coupled to the input microwave resonant waveguide; (b) an output resonator coupled to the output microwave resonant waveguide: (c) a center resonator coupled to the input and output resonators, the three resonators being coupled together in cascade; (d) a tuning mechanism connected to the center resonator and adapted to be switched between on and off states, in the on state the resonant frequency of the center resonator being the same as that of the input and output resonators and in the off state the resonant frequency of the center resonator being outside the bandpass Δf.
A simultaneous client wireless device includes wireless modules configured to perform communication functions of lower MAC (media access control) and PHY (physical) layers for wireless radios operable in multiple wireless bands. The simultaneous client wireless device also includes a communication module configured as an intermediate layer between the lower MAC layer of the wireless modules and a network layer. The communication module is configured to use an application programming interface to retrieve information from the lower MAC layer and write information to the lower MAC layer of each wireless module, perform communication functions of an upper MAC layer for the wireless bands, and manage simultaneous communications over the wireless bands. The communications over the wireless bands can use a local area network protocol.
Disclosed apparatus and method improve the computational efficiency of encoding and decoding data having erasures according to a maximum distance separable (MDS) code based on a Reed-Solomon code. Thus, n encoded fragments are formed by multiplying k data fragments by an n×k generator matrix for the MDS code. The code is formed by reducing, in the generator matrix to the extent possible, the size of the finite field to which entries belong—in some cases to the base field having only two elements. In this way, unlike codes known in the art, the generator matrix has more than one column whose entries each take values in the finite field having two elements. In some cases, the generator matrix has a column whose entries each take values in one or more intermediate fields between the finite field having two elements and the encoding field.
A modulator and a modulation method using a non-uniform 16-symbol signal constellation are disclosed. The modulator includes a memory and a processor. The memory receives a codeword corresponding to a low-density parity check (LDPC) code having a code rate of 3/15. The processor maps the codeword to 16 symbols of the non-uniform 16-symbol signal constellation on a 4-bit basis.
A method for compressing time series data includes: reading original data including time series data; measuring a unit of the original data; determining a threshold for determining a range allowing for a difference between compressed data and the original data; performing longest distance downsampling to preserve an abnormal point of the original data; storing a start point and an end point of the original data; performing drop-out on the longest distance downsampling result, wherein the drop-out is not performed for the start point and the end point; and if the number of values of the original data is smaller than α times the original data length, storing at least one of the values of the original data as a reference point, wherein α is a real number having a value between 0 and 1.
Lossy methods and hardware for compressing data and the corresponding decompression methods and hardware are described. The lossy compression method comprises dividing a block of pixels into a number of sub-blocks and then analysing, for each sub-block, and selecting one of a candidate set of lossy compression modes. The analysis may, for example, be based on the alpha values for the pixels in the sub-block. In various examples, the candidate set of lossy compression modes comprises at least one mode that uses a fixed alpha channel value for all pixels in the sub-block and one or more modes that encode a variable alpha channel value.
This application relates to time-encoding modulators (TEMs). A TEM receives an input signal (SIN) and outputs a time-encoded output signal (SOUT). A filter arrangement receives the input signal and also a feedback signal (SFB) from the TEM output, and generates a filtered signal (SFIL) based, at least in part, on the feedback signal. A comparator receives the filtered signal and outputs a time-encoded signal (SPWM) based at least in part on the filtered signal. The time encoding modulator is operable in a first mode with the filter arrangement configured as an active filter and in a second mode with the filter arrangement configured as a passive filter. The filter arrangement may include an op-amp, capacitance and switch network. In the first mode the op-amp is enabled, and coupled with the capacitance to provide the active filter. In the second mode the op-amp is disabled and the capacitance coupled to a signal path for the feedback signal to provide a passive filter.
A PLL frequency synthesizer includes a voltage controlled oscillator that outputs an oscillation signal having a frequency corresponding to a control voltage value, a phase comparison unit that outputs a phase difference signal representing a phase difference between a feedback oscillation signal and a reference oscillation signal, a charge pump that outputs a charge and discharge current according to the phase difference, a loop filter that outputs the control voltage value, which is increased or decreased according to a charge and discharge amount of a capacitive element, to the voltage controlled oscillator, a detection unit that detects a change rate of the control voltage value, and a control unit that adjusts the charge and discharge current, a characteristic of the loop filter, or a characteristic of the voltage controlled oscillator based on a detection result of the detection unit.
A spur target frequency is periodically determined to cancel a spur using a spur cancellation circuit in a first phase-locked loop (PLL) in a system with at least a second PLL that is in lock with the first PLL. The spur target frequency is periodically determined utilizing divide ratios of the first PLL and the second PLL to determine the updated spur target frequency. As one or more of the divide ratios change, the spur frequency changes and the spur target frequency is updated to reflect the change.
An output circuit comprises an output terminal (11), a first current mirror (12), a first pass transistor (13) and a first delivering terminal (14) coupled via the first current mirror (12) and the first pass transistor (13) to the output terminal (11).
A system of referenceless clock and data recovery and a frequency detector thereof has been provided. The output clock of the system initially works at the lowest frequency, the frequency of the output clock is monotonically increased in accordance with the control of the frequency detector, thereby gradually approximating a target value. The edge extraction circuit receives the data signal and the clock signal, identifies the transition edges of the signals and generates a data transition signal and a clock transition signal representing the transition edges of the data signal and the transition edges of the clock signal respectively. The edge detector then determines the data period of the data signal and the clock period of the clock signal. When the data period is smaller than half of the clock period, the edge detector generates a frequency-up signal and the frequency of the output clock is increased.
Provided is a relaxation oscillator that is very small in temperature deviation of an oscillation period. The relaxation oscillator includes an oscillation circuit, a variable frequency divider, and a counter. The oscillation circuit is configured to switch between a first clock signal having a negative value as a first-order temperature coefficient of an oscillation period, and a second clock signal having a positive value as a first-order temperature coefficient of an oscillation period, based on a signal from the counter, and to output the switched-to clock signal as a third clock signal. The variable frequency divider is configured to divide the frequency of the third clock signal that is output from the oscillation circuit, and to output the frequency-divided third clock signal as a clock signal. The counter is reset by the clock signal.
A logic cell, including a first capacitor connected between an application node for applying a supply voltage of the cell and a floating node for providing an output logic signal of the cell, and, connected in parallel with the first capacitor, an association in series of a second capacitor and a first variable-resistance element, the first variable-resistance element including a control electrode connected to an application node for applying a first input logic signal of the cell.
Described is soft error tolerant flip-flop which comprises hardened sequential elements to reduce latch soft error rate. The flip-flop may include a master latch; and a slave latch coupled to the master latch, wherein only one of the master or slave latch of the flip-flop comprises hardened latch circuitry. For example, only the master latch comprises the hardened latch circuitry.
A duty timing detector includes a saw-tooth voltage generator that outputs a saw-tooth voltage in synchronization with a toggle signal repeatedly transitioning between a high level and a low level. A sample block obtains a level of the saw-tooth voltage in synchronization with the toggle signal and outputs the obtained level as a first sample voltage. A hold block stores the first sample voltage in synchronization with the toggle signal and outputs the stored first sample voltage as a second sample voltage. A voltage divider divides the second sample voltage to output a division voltage. A comparator compares the saw-tooth voltage and the division voltage to detect a target timing in each duty of the toggle signal.
A semiconductor apparatus includes a first clock path which generates a first output clock signal by delaying a first phase clock signal, and a second clock path which generates a second output clock signal by delaying a second phase clock signal based on a delay compensation signal. The oscillating path generation circuit forms oscillating paths with the first clock path and the second clock path. The delay information generation circuit generates a delay compensation signal based on oscillating signals generated by forming the oscillating paths.
An elastic wave device includes a first piezoelectric substrate made of LiNbO3, a first band-pass filter provided on the first piezoelectric substrate and including first IDT electrodes, a dielectric layer provided on the first piezoelectric substrate and covering the plurality of first IDT electrodes, a second piezoelectric substrate, a second band-pass filter provided on the second piezoelectric substrate, including second IDT electrodes, and differing from the first band-pass filter in pass band, and a band elimination filter connected to the first band-pass filter. The band elimination filter is provided on a piezoelectric substrate other than the first piezoelectric substrate.
Acoustic resonator devices and filters are disclosed. A piezoelectric plate is attached to a substrate, a portion of the piezoelectric plate forming a diaphragm spanning a cavity in the substrate. A first conductor pattern is formed on a surface of the piezoelectric plate. The first conductor pattern includes interleaved fingers of an interdigital transducer disposed on the diaphragm, and a first plurality of contact pads. A second conductor pattern is formed on a surface of a base, the second conductor pattern including a second plurality of contact pads. Each pad of the first plurality of contact pads is directly bonded to a respective pad of the second plurality of contact pads. A ring-shaped seal is form between a perimeter of the piezoelectric plate and a perimeter of the base.
An elastic wave device includes a piezoelectric substrate made of lithium niobate, an interdigital transducer electrode on the piezoelectric substrate, and a silicon oxide layer that covers the interdigital transducer electrode. The interdigital transducer electrode includes an AlCu layer and a metal layer disposed closer to the piezoelectric substrate than the AlCu layer, the metal layer having a higher density than the silicon oxide layer. The AlCu layer has a Cu concentration of about 13% or more by weight.
A multiport microwave device includes a first reactive three-port microwave device, a second reactive three-port microwave device, a third reactive three-port microwave device, and a matched four-port microwave device. The four-port microwave device includes first and second input ports and first and second output ports communicatively coupled to one another. A first port of each of the first, second and third three-port microwave devices is operative to receive a microwave signal, and a first output port and a second output port of the four-port microwave device are each operative to output a microwave signal. A second port of the first microwave device is communicatively coupled to a second port of the second microwave device, a second port of the third microwave device is communicatively coupled to a third port of the second microwave device, and a third port of the first microwave device is communicatively coupled to the first input port the four-port microwave device. A third port of the third microwave device is communicatively coupled to the second input port of the four-port microwave device.
A power amplifier includes a signal input unit to which an input signal is applied, an output stage that is electrically isolated from the signal input unit, where the output stage is configured to amplify an output signal of the signal input unit based on a power supply voltage from a floating power supply, a reference potential switch that is inserted between a reference node of the power supply voltage generated by the floating power supply and a reference potential line, and a feedback circuit configured to amplify a differential voltage between an output node of the output stage and the reference node, and feed the resultant voltage back to the signal input unit.
A signal processing circuit includes a signal receiving circuit for generating a first input signal and a second input signal; a signal output circuit for generating a first output signal and a second output signal according to the first input signal and the second input signal; a negative impedance circuit, for amplifying the first input signal at the first input terminal to generate a first amplified input signal at the second output terminal, and for amplifying the second input signal at the second input terminal to generate a second amplified input signal at the first output terminal; a first capacitor; a second capacitor; wherein the first capacitor and the second capacitor have different DC voltage levels at both terminals, such that the impedance-signal variation rate of the negative impedance circuit is lower than a predetermined level.
Various methods and circuital arrangements for biasing one or more gates of stacked transistors of an amplifier are possible where the amplifier is configured to operate in at least an active mode and a standby mode. Circuital arrangements can reduce bias circuit standby current during operation in the standby mode while allowing a quick recovery to normal operating conditions of the amplifier. Biasing an input transistor of the stacked transistors can be obtained by using a replica stack circuit.
A multi-voltage generation circuit and related envelope tracking (ET) amplifier apparatus is provided. In one aspect, a multi-voltage generation circuit is configured to generate a number of ET target voltages based on an analog voltage signal. In another aspect, a multi-amplifier ET circuit can be configured to include a number of amplifier circuits for amplifying concurrently a radio frequency (RF) signal based on a number of ET voltages. The multi-amplifier ET circuit also includes a number of driver circuits configured to generate the ET voltages base on a number of ET target voltages. In this regard, the multi-voltage generation circuit can be provided in the multi-amplifier ET circuit to generate the ET target voltages based on the analog voltage signal that corresponds to the RF signal. In examples discussed herein, the driver circuits are co-located with the amplifier circuits to help improve efficiency and maintain linearity in the amplifier circuits.
Analog multipliers can perform signal processing with approximate precision asynchronously (clock free) and with low power consumptions, which can be advantageous including in emerging mobile and portable artificial intelligence (AI) and machine learning (ML) applications near or at the edge and or near sensors. Based on low cost, mainstream, and purely digital Complementary-Metal-Oxide-Semiconductor (CMOS) manufacturing process, the present invention discloses embodiments of current-mode analog multipliers that can be utilized in multiply-accumulate (MAC) signal processing in end-application that require low cost, low power consumption, (clock free) and asynchronous operations.
A differential Colpitts oscillator circuit is described which has center-tapped inductors which are cross-coupled with gates of second transistors of first and second transistor pairs which can reduce the minimum power supply voltage and the bias voltage for the circuit. In addition, a capacitive ladder can be implemented which also has the potential benefit of increased tuning range.
The invention relates to a device and a method for optimally adjusting the lens plate in a CPV module which consists of a plurality of CPV sensors and a plurality of lenses mounted over the sensors at a distance from the focal length of said sensors in a container, having the following features: a) a sensor support plate (1) with a plurality of CPV sensors (5), b) a lens plate (2) with a number of lenses, said number corresponding to the number of CPV sensors, c) a fixed lens plate (3) mounted parallel to the position of the lens plate (2), d) a number of sensors which are oriented parallel to the lens plate (3), said number corresponding to the number of CPV sensors, e) two devices (12, 13) for adjusting the lens plate (2) in two horizontal directions, and f) a control device (9) for evaluating output signals, said control device (9) controlling the two devices (12, 13) dependent on characteristics of the output signals.
A robust starting system and method for an interior permanent magnet synchronous motor, suitable for commercial fan and blower drive applications. A comprehensive starting control process is provided that utilizes control flags to implement closed-loop control accounting for any pre-existing rotor movement, controlling the motor speed from an initial speed to a destination speed. A universal dqController provides selective configurability for collecting information regarding the initial state of the motor, as well as starting and operational motor control. Dynamic high frequency injection enables the use of HFI outside the normal standstill motor speeds by intelligently decoupling the high frequency and rotor movement portions of the stator current response.
In a method for determining the angular position of the rotor of a synchronous motor fed by an inverter, the inverter is actuated by a signal electronics including a control unit, in particular having a processing unit and a memory, the stator current in particular is acquired with the aid of at least one current-acquisition device, the synchronous motor having a stator winding, which is fed by a three-phase voltage, i.e. stator voltage, which is set by the inverter such that the acquired stator current is controlled to a predefined setpoint stator current by the control unit, a setpoint stator current with a first actuation angle relative to the stator winding is predefined, in particular in the d-direction, the stator flux is determined from the time characteristic of the stator voltage and the acquired values of the stator current, and an angle value, in particular the angular position, is determined from the determined stator flux and a flux-value dependence as a function of a stator current.
A device, system and method for harvesting electrical power from hydraulic fluid of a hydraulic system determines at least one of hydraulic fluid flow or hydraulic fluid pressure in the hydraulic system. Based on rules and the determined at least one of the hydraulic fluid flow or hydraulic fluid pressure, an expected conversion efficiency of the power conversion device and an expected rectified power to be generated from the received input power by the power conversion device are determined. From the expected rectified power a potential conversion efficiency of the power conversion device is determined, and the power conversion device is commanded to produce the expected rectified power when the potential conversion efficiency is greater than or equal to the expected conversion efficiency. When the potential conversion efficiency is less than the expected conversion efficiency, the rules are updated.
A linear actuator has a base, a linear guide coupled to a flat, planar side of the base and extending in a travel length of an object to be moved, a contact plate extending along the flat, planar side of the base, and a carriage. The carriage includes an enclosure formed of an acoustically isolating material, a moving element configured to move along the guide and is coupled to the enclosure, a piezoelectric element including a contact site in physical contact with the contact plate, and a housing elastically holding the piezoelectric element, the housing coupled to the enclosure with no direct contact with the moving element. An electrical power source is in electrical communication with the piezoelectric element, wherein the power source energizes the piezoelectric element to effectuate movement of the carriage along the linear guide via the physical contact between the contact site and the contact plate.
A multilevel inverter includes an inner DC source group circuit that generates a plurality of voltage levels, and an outer DC source group circuit that generates a substantially sinusoidal output voltage. The substantially sinusoidal output voltage is generated using, at least in part, the plurality of voltage levels generated by the inner DC source group circuit. An H-bridge circuit supplies the substantially sinusoidal output voltage at alternating polarities to a load.
This DC power supply device comprises: a transformer having a primary magnetic core, a secondary magnetic core, at least one primary coil wound on the primary magnetic core, and a plurality of secondary coils wound on the secondary magnetic core; and at least one bridge composed of transistors. The DC power supply device has: a primary circuit connected to the primary coil; and a plurality of secondary circuits respectively connected to the plurality of secondary coils and each having a first secondary resonance capacitor, a second secondary resonance capacitor, and a smoothing circuit. The primary circuit and the plurality of secondary circuits are electrically insulated from each other by the transformer. In the plurality of secondary circuits, output parts of respective smoothing circuits are serially connected to each other. The primary magnetic core and the secondary magnetic core are disposed to face each other with an insulator disposed therebetween.
According to one aspect of the present disclosure, a single-stage converter includes a rectifying circuit and a buck-boost circuit. The buck-boost circuit includes an inductor with a center tap configured to supply an output of the buck-boost circuit to the rectifying circuit. The buck-boost circuit also includes first and second interleaved arms arranged in parallel with a voltage input of the single-stage converter. The first and second interleaved arms are each coupled to the inductor and include a plurality of switches operable to control the output of the buck-boost circuit.
A converter for controlling power flows between three electricity networks with different operating voltages. The converter includes, in one implementation, three terminals and two converter cells. Each of the three terminals are configured to electrically contact-connect one of the three electricity networks. Each of the two converter cells includes a transformer having three converter cells. One of the terminals is connected to a series circuit of the converter cells. Another of the terminals is connected to a parallel circuit of the converter cells.
A driver circuit generates a drive signal having a first and second voltage state for controlling a power transistor switch coupled to a power supply node. A control circuit operates to sense a supply voltage at the power supply node and compare the sensed supply voltage to one or more voltage thresholds. In response to the comparison, the control circuit adjusts a switching slope of the drive signal from the first voltage state to the second voltage state.
A system includes an inductor, and a first switch coupled between a first end of the inductor and a voltage supply node. The system also includes a second switch coupled between the first end of the inductor and a negative output supply node, wherein the second switch comprises a self-operated arrangement. The system also includes a third switch coupled between a second end of the inductor and a positive output supply node. The system also includes a fourth switch coupled between the second end of the inductor and a ground node. The system also includes a controller coupled to the first, second, third, and fourth switches.
A DC-DC converter includes: a positive-side capacitor connected to a positive-electrode-side output terminal; a negative-side capacitor with one end thereof connected to the positive-side capacitor and the other end thereof connected to a negative-electrode-side output terminal; an inductor with one end thereof connected to the positive-electrode-side output terminal and an input-side end thereof opposite thereto connected to the negative-electrode-side output terminal, the inductor including a center tap between the end near the positive-electrode-side output terminal thereof and the input-side end; and a switching element with one end thereof connected to the input-side end of the inductor and the other end thereof connected to a positive electrode of a solar cell; a negative electrode of the solar cell connected to a region between the positive-side capacitor and the negative-side capacitor and to the center tap of the inductor.
This disclosure describes techniques for controlling a power supply voltage for a high-side gate driver that is used in a power converter. In some examples, in response to an overvoltage condition that occurs on an input voltage lead of a power converter, a power converter may decouple a terminal of a charge pump capacitor from the input voltage lead, and couple the terminal of the capacitor to a reference voltage lead. In further examples, in response to an overvoltage condition that occurs on an input voltage lead of a power converter, a power converter may turn off both switching transistors.
A power factor correction circuit can include: a power meter configured to measure a power factor at an input port; a switching-type regulator that is controllable by a switching control signal in order to adjust the power factor of an input AC power; an EMI filter disposed between the switching-type regulator and the input port; and a controller configured to generate the switching control signal to maximize the power factor by adjusting a current reference signal according to a measured power factor, where the current reference signal represents an expected inductor current of the switching-type regulator.
A method for controlling a three-phase Vienna rectifier, including a plurality of controlled power switches, each associated with an electrical phase; the method including: transforming three provided reference line voltages into three phase voltages; calculating a homopolar component to be injected according to the sign of the phase voltage values and to the average value of the phase currents of the three-phase Vienna rectifier; calculating “modulating” values for each phase of the three-phase Vienna rectifier according to the calculated homopolar component to be injected and the three phase voltages; and generating six signals for switching the controlled power switches, according to the sign of the phase currents of the three-phase Vienna rectifier and the “modulating” values that were calculated.
A method of controlling a secondary-side rectifier switch of a flyback converter, can include: detecting a slope parameter of a secondary-side detection voltage along a predetermined direction, where the secondary-side detection voltage is configured to represent a voltage across a secondary winding of the flyback converter; and controlling the secondary-side rectifier switch to turn on when the slope parameter is greater than a slope parameter threshold, and a relationship between the secondary-side detection voltage and the ON threshold meets a predetermined requirement.
The VCM according to an exemplary embodiment of the present disclosure includes a base unit, a mover including a bobbin arranged at an upper surface of the base unit and formed with a plurality of rotation prevention units along a periphery and a first driving unit arranged at a periphery of the bobbin, a stator including a yoke configured to the base unit to surround the mover and inner yoke units each extended to between the rotation prevention units, and a second driving unit oppositely arranged to the first driving unit, and an elastic member elastically supporting the mover, wherein an object occurrence preventing portion is formed between the rotation prevention unit and the inner yoke units to decrease a contact area between the rotation prevention unit and the inner yoke units.
Aspects of the invention provide methods and systems for moving a plurality of moveable stages relative to a stator. The stator comprises a plurality of coils shaped to provide pluralities of coil trace groups where each coil trace group comprises a corresponding plurality of generally linearly elongated coil traces which extend across a stator tile. Each moveable stage comprises a plurality of magnet arrays. Methods and apparatus are provided for moving the moveable stages relative to the stator, where a magnet array from a first moveable stage and a magnet array from a second moveable stage both overlap a shared group of coil traces. For at least a portion of the time that the magnet arrays from the first and second moveable stages overlap the shared group of coil traces, currents are controllably driven in the shared coil trace group based on the positions of both the first and second moveable stages. The positions of the first and second moveable stages may be ascertained by feedback.
The present disclosure provides a vibration motor. The vibration motor includes a first vibrator and a second vibrator which perform relative moved. One of the first vibrator and the second vibrator is provided with a magnetic circuit, and the other one is provided with a coil corresponding to the magnetic circuit. The coil and the magnetic circuit interact to generate a driving force to drive the relative moved of the first vibrator and the second vibrator. A BL value of the magnetic circuit can be effectively improved, a better vibration feeling can be achieved, and the circuit reliability can be improved.
A squirrel cage rotor having a shaft, a rotor plate stack with rotor bars arranged in the interior thereof, and cage rings, wherein at least one part of a cage ring includes a disk stack, which is constituted as a layered structure of disks with cut-outs, through which the ends of the rotor bars project out of the rotor plate stack. Adjoining disks in the disk stack are mutually spaced, and form a gap. The clearance between two adjoining disks, resulting from the gap, is constituted by moldings which are arranged on the disks wherein, in the gap, at least in the region of the moldings, a joint connection is provided.
A cooling apparatus includes: an annular internal liquid coolant flow channel that is mounted to a rotary electric machine main body, and in which an internal liquid coolant circulates around an outer circumference of the rotary electric machine main body, and an external liquid coolant passage portion through which an external liquid coolant passes, the external liquid coolant passage portion is connected to the internal liquid coolant flow channel by a connecting portion that is positioned vertically higher than the rotary electric machine main body, and the electric power converting apparatus includes a heat radiating surface that releases heat that is generated in the electric power converting apparatus, the electric power converting apparatus being mounted to the cooling apparatus such that the heat radiating surface and the internal liquid coolant can exchange heat at a position that is vertically lower than the connecting portion.
A wireless power transfer system includes: a transmitting side, which includes a resonant transmitting circuit, the resonant transmitting circuit including a transmitter coil; and a receiving side, which includes a resonant receiving circuit, the resonant receiving circuit including a receiver coil for performing induction with the transmitter coil to generate a resonant receiver voltage, wherein the transmitter adjusts a transmitter current of the resonant transmitting circuit according to the resonant receiver voltage such that the resonant receiver voltage is regulated to a target voltage level. The wireless power transfer system determines a shift distance from a present relative position to an optimal relative position according to the adjusted transmitter current of the resonant transmitting circuit.
A system includes an AC power module structured to provide alternating current (“AC”) electrical power; a power distribution wiring harness structured to receive the AC electrical power from the AC power module; a plurality of inductive coupling modules coupled to the power distribution wiring harness, and configured to transmit the AC electrical power to at least one load; and, a signal injection module structured to inject a communication signal on the power distribution wiring harness using signal modulation during a transient moment of operation corresponding to a low electrical noise operating range of electromagnetic interference generated by components of a vehicle.
The present disclosure relates to an adaptive mode switching method for simultaneous wireless power/information transmission operating in a dual mode and an apparatus for performing the same. The adaptive mode switching apparatus for simultaneous wireless power/information transmission operating in a dual mode includes: an energy harvesting unit; a single tone information receiving unit; a multi-tone information receiving unit; a time-division switch; and an adaptive mode switching control unit which determines a communication mode and a modulation index based on a battery status, the magnitude of the received signal, and a data transmission rate and controls the time-division switch in accordance with the selected communication mode and modulation index. It is possible to overcome a limited energy transmission area of simultaneous wireless power/information transmission (SWIPT) using a single tone in a low power IoT environment and a low transmission rate of a peak-to-average power ratio (PAPR)-based SWIPT using a multi-tone.
An inductive power transmitter for an inductive power transfer system including a power regulation circuit utilising only primary side parameters to control power flow. The duty cycle of the waveform applied to the transmitter coil is adjusted based on the ratio of the output current of the power supply and the current supplied to the resonant circuit (the current ratio). This may be further compensated based on the amount of power supplied to the transmitter.
Provided is a non-contact electric power feeding system including an electric power feeding device, and an electric power receiving device configured to receive electric power fed from the electric power feeding device. The electric power feeding device includes a primary-side coil, a driver, a primary-side control unit, and a primary-side communication unit. The electric power receiving device includes a secondary-side coil, a rectifier unit, a regulator, a secondary-side communication unit, and a secondary-side control unit.
A power steering system includes: a main power source; an auxiliary power source connected to the main power source via a power source switch; a charge circuit connected to the main power source via the power source switch and configured to charge the auxiliary power source on the basis of the main power source; a switching circuit that switches a power supply mode; and a unit that turns off the power source switch after the auxiliary power source is charged by the charge circuit until the voltage of the auxiliary power source becomes equal to or more than a predetermined voltage in the case where the voltage of the auxiliary power source is less than the predetermined voltage when a key switch for a vehicle is turned off.
An electronic device is disclosed. The disclosed electronic device includes a display, a charging circuit that transmits and receives power to and from an external electronic device, a sensor circuit that senses a spatial relationship of the electronic device with the external electronic device, a processor that is electrically connected with the display, the charging circuit, and the sensor circuit. When wirelessly transmitting or receiving power to or from the external electronic device using the charging circuit, the processor may transmit and receive information associated with the wireless transmission or reception of power and display the information based on the spatial relationship.
A device for enabling autonomous powering of a monitoring node of a scraper conveyor chain includes a bottom baffle, a friction wheel drive device, a limiting device, a generator, an energy storage battery, a cable entry device, and dampers. The bottom baffle is connected to a bottom portion of a scraper of a scraper conveyor. The friction wheel drive device comprises a ball, a friction wheel, a drive shaft connected to the generator, and a shaft coupler. The friction wheel is disposed on the drive shaft, and an outer edge of the friction wheel is in contact with a surface of the ball. The limiting device is a ball housing that is connected to the bottom baffle, and is used for limiting the ball within the ball housing. The energy storage battery is connected to the generator, and is used to store electrical energy generated from the generator. The dampers are disposed on the drive shaft.
A charging circuit in a terminal, or a charging system, is respectively coupled to a charger, a terminal load, and a battery. The charging circuit includes a first adjustment circuit, a current detection circuit, a voltage detection circuit, and a control circuit. A first end of the first adjustment circuit is coupled to the charger, a second end of the first adjustment circuit is further coupled to the terminal load, a third end of the first adjustment circuit is coupled to the control circuit, and a second end of the current detection circuit is coupled to a positive electrode of the battery.
In one aspect, a device includes system components and a battery pack. The battery pack includes one or more cell balancing resistors, plural battery cells in a circuit with the one or more cell balancing resistors, at least one processor, and storage accessible to the processor. The storage includes instructions executable by the processor to determine whether a threshold amount of time has accrued during which the device has not been operated on battery power and, responsive to a determination that the threshold amount of time has accrued, employ the one or more cell balancing resistors of the battery pack to reduce the charge level of the plural battery cells.
A method for wind power curtailment optimization comprises calculating the power flow for a power network for the day-ahead; calculating a contingency analysis for the power network for the day-ahead, comprising forecasted power generation, power consumption and topology of said power network, together with a set of contingency scenarios; calculating a sensitivity factor of a power flow for each power network branch to a power injection by each wind power plant, wherein the sensitivity factor is calculated only for the periods of time of the day-ahead for which overloaded branches have been detected during the solving of the power flow or during the solving of the contingency analysis; selecting a subset of the wind power plants having at least one sensitivity factor above a predetermined threshold as curtailment candidates; and calculating the wind power curtailment restricted to the selected subset of wind power plants.
Apparatuses, systems and methods for configuring and managing the combination of strings of photovoltaic energy generators to improve the energy production performance of such generators. The strings of photovoltaic energy generators are connected to terminals in a combiner box having receptacles for receiving removable modular units of various types. Removable modular units with measurement capabilities are used in the combiner boxes to measure the direct current input provided by the strings; and in light of the measurements, the removable modular units can be selectively downgraded to simpler units that do not have measurement capabilities to reduce cost, and/or selectively upgraded to more sophisticated units that can adjust the output of the respective strings, such as upconverting the output voltage of the respective strings, to improve the performance of the strings.
A submodule according to the present invention includes a power pack including a plurality of switching modules, first and second input busbars connected to the plurality of switching modules and protruding to a first outer side of the power pack, first and second connection busbars connected to the plurality of switching modules and protruding to a second outer side of the power pack, a capacitor pack including a capacitor element, and first and second connection units provided at both sides of one surface of the capacitor pack. The first and second connection busbars are inserted into the first and second connection units, respectively, such that the power pack and the capacitor pack are electrically connected to each other.
The disclosure relates to an electronic unit with a circuit board having at least one component arranged on a main surface of the circuit board and a casing element, which incorporates the at least one component, as well as with an ESD protection arrangement for the circuit board. According to the disclosure, open areas on the circuit board, which are not covered by the casing element, are covered with a gold layer directly mounted on a copper surface of the circuit board.
An electronic circuit for sensing a temperature rise in a power transistor device, the temperature rise caused by a current flow in the power transistor device. The power transistor device and a sense-FET are disposed on a substrate. The sense-FET senses a fractional portion of the current flow and outputs a current signal. A JFET has its drain connected to the drain of the power transistor device. The gate of the JFET is connected to the source of the power transistor device, such that when the power transistor device is on, the JFET is also turned on, and a drain voltage signal of the power transistor device is output at a second node of the JFET. A detection circuit receives the drain voltage signal and the current signal and outputs an alarm signal when the drain-source resistance of the power transistor device exceeds a combined threshold limit.
The carbon monoxide detector and shutoff system is an electrical switching device. The carbon monoxide detector and shutoff system inserts into an electrical connection between the national electric grid and an electrical load. The carbon monoxide detector and shutoff system senses the carbon monoxide concentration within the atmosphere. Should the detected concentration of carbon monoxide exceed a threshold level, the carbon monoxide detector and shutoff system interrupts the circuit between the national electric grid and the electrical load. The carbon monoxide detector and shutoff system comprises a pass-through circuit, a control circuit, and a housing. The housing contains the pass-through circuit and the control circuit. The pass-through circuit inserts a relay between the national electric grid and the electrical load. The control circuit is an electrical circuit that opens and closes the relay in response to the detected concentration of carbon monoxide.
A method for detecting a voltage disturbance on an electrical line coupled to a utility that provides three-phase electrical AC power signals to a critical load that includes a transformer. The method includes reading instantaneous voltage measurements at a high sample rate of each of the three-phase power signals, and calculating a flux in the transformer at the sample rate for each of three-phase power signals by adding the instantaneous voltage measurements at the current sample point and at a previous sample point. The method includes calculating a flux error for each of the three-phase signals at the sample rate as a difference between the newly calculated flux and the oldest calculated flux. The method determines whether the flux error for any of the three-phase power signals is greater than a first predetermined percentage or less than a second predetermined percentage, and if so, identifies a voltage disturbance.
An ice bridge system for a cellular transmissions site assembled with a ladder frame section to support cabling laid on top of the and a ladder support with a preformed base for resting on a ground surface, a preformed set of mounting points for securing one or more sections of the ladder frame, such that the ladder frames mate end to end with each other and a structural support section between the base and mounting points to support the weight of the ladder frame and supported cables.
A vertical cavity surface-emitting laser including: a substrate having a main surface; and a post structure mounted on the main surface. The post structure includes an active layer and a carrier confinement structure. The carrier confinement structure includes a first region and a second region having a higher resistivity than the first region. The first region has an edge, and a first to a third reference line segments. A first length of the first reference line segment is longest among lengths of line segments joining any two points on the edge and extending in a direction of the III-V group semiconductor. The first length is greater than a sum of a second length of the second reference line segment and a third length of the third reference line segment. The third length is smaller than the second length and is zero or more.
According to an aspect, an overvoltage protection circuit includes a bias current generator configured to generate a bias current, and a current comparator configured to receive the bias current and a voltage associated with a data terminal of a connector. The current comparator includes a transistor. The transistor is configured to activate based on a level of the voltage associated with the data terminal. The current comparator is configured to compare a current of the transistor with the bias current. The overvoltage protection circuit includes an output circuit configured to generate an overvoltage protection signal in response to the current of the transistor being greater than the bias current.
A gas resistant pothead system and method for electric submersible motors. A gas resistant pothead system includes a lead foil wrapped motor lead cable (MLE) extending through a pothead, a sleeve of an insulator block inside the pothead, the sleeve including gold plating and lead-foil wrapping over the gold plating, and a lead-to-gold seal formed between the gold plating of the sleeve and the lead foil wrapping over the gold plating. A method of creating a seal to gas around a power cable connection to a downhole electric submersible motor includes wrapping lead foil around a MLE extending through a pothead, continuing the lead foil wrapping around a gold-plated sleeve of an insulating block inside the pothead, mechanically reinforcing the lead foil with an encapsulant, and bonding the lead foil to the gold plating of the insulating block.
An electrical terminal having a terminal attachment portion, a wire attachment portion and a transition portion. The wire attachment portion is configured to receive wires of a cable therein. The transition portion extends between the terminal attachment portion and the wire attachment portion. A flow barrier is provided on the transition portion proximate an end of the transition portion. The flow barrier constrains an adhesive/sealant applied to the wires positioned in the wire attachment portion from flowing from the wire attachment portion to the terminal attachment portion.
The invention discloses a waterproof connector. The waterproof connector includes a shell assembly, the shell assembly includes a metallic shell and a first sealing member, the metallic shell includes a top surface, a bottom surface and two lateral surfaces, a cavity is defined by the top surface, the bottom surface and the lateral surfaces, the first sealing member is sleeved on the peripheral of the metallic shell; a conductive assembly, the conductive assembly is received in the cavity, the conductive assembly includes an insulative housing, a plurality of contact terminals and a second sealing member, the insulative housing includes a base portion and a tongue extending forwardly from the base portion, the contact terminals are insert molded with the insulative housing, the second sealing member is assembled onto the insulative housing.
A stacked RJ45 modular jack assembly includes a lower RJ45 jack portion having a bottom surface adapted to be mounted on a printed circuit board, the lower RJ45 jack having a plurality of lower connection fingers 1 through 8, an upper RJ45 jack portion disposed above the lower RJ45 jack portion the upper RJ45 jack having a plurality of upper connection fingers 1 through 8, and a data/RF components block including RF components, the data/RF components block mounted directly behind a rear surface of the stacked RJ45 modular jack assembly.
An electrical connector includes a body and a plurality of terminals correspondingly provided on the body. Each terminal includes a base, two embracing arms formed by bending and extending forward from two opposite sides of the base, and a stopping portion formed by extending upward from one of the embracing arms. The two embracing arms jointly clamp a solder to solder the terminal to a circuit board, and the stopping portion is located above the solder to stop the solder from moving upward. The embracing arms clamp the solder, and the stopping portion extends from the embracing arms to stop the solder from moving upward, such that the solder can be well positioned. When the solder is soldered and melted, the embracing arms drive the stopping portion to shrink, such that the embracing arms and the stopping portion jointly squeeze the solder.
An antenna having dipole pairs is described. The antenna may include a plurality of dipole elements, intermediate conductors, each being electrically connected to one of the plurality of dipole elements, and feed conductors capacitively coupled to the intermediate conductors. The antenna may further include tuning loops.
Aspects of the subject disclosure may include, for example, a launching device including a transmitter configured to generate a radio frequency signal in a microwave frequency band. A helical antenna is configured to launch the radio frequency signal as a guided electromagnetic wave that is bound to an outer surface of a transmission medium, wherein the guided electromagnetic wave propagates along the outer surface of the transmission medium without an electrical return path. Other embodiments are disclosed.
Aspects of the subject disclosure may include, detecting a communication device in transit, determining a trajectory of the communication device, selecting a section from a plurality of sections of an omnidirectional array of dielectric antennas according to the trajectory of the communication device, where the section corresponds to a set of one or more dielectric antennas from the omnidirectional array of dielectric antennas coupled to a set of launchers, and directing the set of launchers to launch electromagnetic waves directed to the set of one or more dielectric antennas to generate a beam pattern directed to the communication device while in transit. Other embodiments are disclosed.
An antenna device includes a first antenna, a second antenna, a multiplexer, and a controller. The first antenna is arranged on a first plane with a plurality of first feeding ports on the body of the first antenna to transmit or receive an electromagnetic signal on a first frequency. The second antenna, which is arranged on a second plane, includes at least four second feeding ports to transmit or receive an electromagnetic signal on a second frequency. The multiplexer has an input port coupled to the signal source, and output ports coupled to the plurality of first feeding ports and the four second feeding ports. The controller controls the multiplexer to transmit a feeding signal from the signal source to at least one of the first feeding ports and at least one of the four second feeding ports, to fine-tune the beam of the antenna device.
One example discloses a combination near-field and far-field antenna configured to be coupled to a conductive host surface, including: a first feed point configured to be coupled to a far-field transceiver; a second feed point configured to be coupled to a near-field transceiver; a first conductive antenna surface; a first filter having a first interface coupled to both the first feed point and the first conductive antenna surface, and having a second interface coupled to the second feed point; wherein the first filter is configured to attenuate far-field signals passing between the first conductive antenna surface and the far-field transceiver from being received by the near-field transceiver; and wherein the first filter is configured to pass near-field signals between the near-field transceiver and the first conductive antenna surface.
An antenna module and a mobile device are provided. The antenna module includes a radiator formed on a surface of the plastic rear housing facing the back cover, and a feed point, a first ground point, and a second ground point that are disposed on the motherboard. The antenna module further includes a matching network, a first tuning switch, and a second tuning switch. The feed point is connected to the radiator through the matching network. The first ground point is connected to the radiator through the first tuning switch. The second ground point is connected to the radiator through the second tuning switch. The surface of the plastic rear housing facing the back cover includes a first shaping zone for shaping the radiator and a second zone other than the first shaping zone, and the radiator completely covers the first shaping zone.
An electronic device is provided. The electronic device includes a housing including a first plate facing in a first direction, a second plate opposite to the first plate and facing in a second direction, and a side member enclosing a space between the first plate and the second plate, an antenna structure including at least one antenna element disposed substantially parallel to the second plate in the space and disposed to face the second plate, a conductive structure disposed in the space and including an opening, the antenna structure being disposed to at least partially overlap the opening when viewed from above the second plate, and a wireless communication circuit configured to form a directional beam through the at least one antenna element. In addition, various embodiments may be available.
An antenna system and a mobile terminal are provided. The antenna system includes a metal frame, a mainboard received inside the metal frame, and a first feeding point, a second feeding point, a first grounding point and a second grounding point provided on the mainboard. The metal frame includes a bottom frame separated by the breach into a first radiation portion located at the bottom left corner and a second radiation portion located at the bottom right corner. A first antenna is formed by feeding of the first feeding point, a second antenna is formed by feeding of the second feeding point, a working frequency of the first antenna covers LTE low frequency, and the working frequencies of the first antenna and the second antenna cover LTE intermediate frequency and high frequency & 3.4-3.8 GHz & C frequency band.
The present invention provides an antenna system and a mobile terminal. The antenna system comprises a metal frame, a main board received in the metal frame, and a first feeding point, a second feeding point, a first grounding point, a second grounding point, a third feeding point, a fourth feeding point, a third grounding point, a fourth grounding point, a first tuning switch, a second tuning switch, a first matching network, a variable capacitor, a third tuning switch, a fourth tuning switch, and a second matching network disposed at the main board. The metal frame is divided into a first radiating portion and a second radiating portion at the bottom and a third radiating portion and a fourth radiating portion at the top.
An electronic device including an antenna is provided. The electronic device includes a ground plane, an antenna element that is electrically connected to the ground plane through a first electrical path, a receptacle that accommodates an external connector that is electrically connected to the ground plane and comprises a conductive line, and a control circuit that is configured to: detect whether the external connector is inserted into the receptacle, and change the first electrical path to a second electrical path or add the second electrical path to the first electrical path between the antenna element and the ground plane, when the external connector is inserted into the receptacle.
An AOG antenna system and a mobile terminal are provided. The AOG antenna system includes an Antenna in Package (AiP) disposed between the main board and the 3D glass back cover and electrically connected to the main board, and a metal antenna formed on a surface of the 3D glass back cover. The metal antenna includes a first antenna attached to an inner surface of the 3D glass back cover and a second antenna attached to an outer surface of the 3D glass back cover. A position of the first antenna corresponds to a position of the AiP and is fed with power by coupling to the AiP, and a position of the second antenna corresponds to the position of the first antenna and is fed with power by coupling to the first antenna.
A bi-directional coupler architecture that allows an entire radio frequency coupler to be fully integrated with other circuitry on a single IC substrate. Embodiments of the invention use a lumped component architecture instead of quarter-wave transmission lines to reduce area and limit loss on the primary signal line. In some embodiments, two directional couplers of opposite polarities are implemented at least in part using spiral secondary inductors electromagnetically coupled to a shared primary inductor signal line, thus providing a bi-directional coupler architecture.
An RF connection assembly is provided for DC to mmWave signals. The RF connection assembly includes a GTMS assembly including a shroud, glass insulation filling a portion of the shroud to define an inner recess, and a gold plated GTMS center conductor secured by the glass insulation and protruding from the inner recess; and a pin and bead assembly including an RF center conductor including a clamping mechanism having a collar, and a center socket defined by the clamping mechanism, the center socket being accessible through an opening in the collar. The collar has a smooth inner edge around a perimeter, configured to guide a tip of the GTMS center conductor into the center socket of the RF center conductor for connecting the GTMS assembly and the pin and bead assembly, minimizing scraping of the GTMS center conductor by the inner edge of the opening.
A filter and a communications device are disclosed. The filter includes a metal cavity, a metal resonant cavity, and a metal cover covering the metal cavity and the metal resonant cavity. A dielectric waveguide is disposed in the metal cavity, and the dielectric waveguide is electrically connected to the metal cavity. Resonant rod is disposed in the metal resonant cavity. A coupling structure is disposed between the metal cavity and a metal resonant cavity that is neighboring to the metal cavity, the coupling structure includes a communication area between the metal cavity and the metal resonant cavity and a dielectric body that protrudes into the communication area, the dielectric body is connected to the dielectric waveguide, and the coupling structure is coupled to a resonant rod in the metal resonant cavity.
A battery-cooling device for a vehicle is provided. The device includes a plurality of frames provided with battery cells mounted thereto and having apertures provided in opposite side surfaces of lower ends of the frames. A pipe is inserted through the apertures. A coolant inlet is mounted on a first side surface of a lower end of each of the plurality of frames and communicates with a first end of the pipe. A coolant is introduced into the coolant inlet. Additionally, a coolant outlet is mounted on a second side surface of the lower end of each of the plurality of frames and communicates with a second end of the pipe. The coolant is then discharged from the coolant outlet.
A thermistor assembly includes an elastomeric body, a thermistor housed at least partially inside the elastomeric body, and a thermistor tip that protrudes outside of the elastomeric body. The thermistor assembly may be used within a battery assembly of an electrified vehicle.
A reusable battery indicator includes a voltage sensor, a communication circuit communicatively connected to the voltage sensor, an antenna operatively coupled to the communication circuit, and a connection mechanism having a first connector and a retainer. The first connector and the retainer are electrically connected to the voltage sensor, and the first connector is adapted to be removably connected to a first battery terminal, thereby providing an electrical connection between the voltage sensor and the first battery terminal. The retainer is adapted to removably secure the voltage sensor to a can of a battery, thereby providing an electrical connection between the voltage sensor and the can of the battery. An electrical circuit is completed between the voltage sensor and the first battery terminal and between the voltage sensor and the can.
Provided is an electrode assembly manufacturing method including a process of cutting a separator included in an electrode assembly to have a margin protruding from an electrode plate. The method includes a first process of manufacturing one type of basic unit sheets having a structure in which electrode materials and separator materials, which are the same in number, are alternately stacked, or two or more types of basic unit sheets having a structure in which electrode materials and separator materials, which are the same in number, are alternately stacked, and a second-A process of cutting a portion of a margin area of the separator materials, which are not covered with the electrode materials, such that the separator materials of the basic unit sheets protrude over a specific distance from edges of the electrode materials.
The electrolyte composition at least includes an aprotic organic solvent, a lithium salt, a flame retardant, and inorganic oxide particles. The flame retardant is at least one selected from a group consisting of a phosphorus-based acid ester having a fluorinated alkyl group and a phosphate amide having a fluorinated alkyl group.
A method of preparing a gallium-doped LLZO solid electrolyte includes (a) preparing a solid electrolyte precursor slurry by subjecting a mixed solution comprising a metal aqueous solution including lanthanum (La), zirconium (Zr) and gallium (Ga), a complexing agent and a pH controller to coprecipitation; (b) preparing a solid electrolyte precursor by washing and drying the solid electrolyte precursor slurry; (c) preparing a mixture by mixing the solid electrolyte precursor with a lithium source; (d) preparing a gallium-doped LLZO solid electrolyte represented by Chemical Formula 1 below by calcining the mixture at 600 to 1,000° C.; and (e) thereafter sintering the solid electrolyte represented by Chemical Formula 1 at 1,000 to 1,300° C. By adjusting amounts of starting materials and controlling flow rates of supplied materials, a high-precision cubic structure with improved sintering properties is obtained and ionic conductivity of the solid electrolyte is increased. LixGayLazZrwO12, (5≤x≤9, 0
A composite solid electrolyte with excellent formability and chemical stability and high lithium ion conductivity. The composite solid electrolyte may comprise an oxide-based solid electrolyte and a sulfide-based solid electrolyte, wherein the oxide-based solid electrolyte is (Li7-3Y-Z, AlY)(La3)(Zr2-Z, MZ)O12 (where M is at least one element selected from the group consisting of Nb and Ta; Y is a number in a range of 0≤Y<0.22; and Z is a number in a range of 0≤Z≤2), and wherein the sulfide-based solid electrolyte is VLiX-(1−V)((1−W)Li2S-WP2S5) (where X is a halogen element; V is a number in a range of 0
The invention relates to a battery cell (2), comprising a prismatically designed cell housing with a cover surface (31), on which a negative terminal (11) and a positive terminal (12) are arranged, and an electrode coil (10) arranged within the cell housing and comprising a cathode (14) and an anode (16). The electrode coil (10) is fixed to the cover surface (31) by means of an electrically insulating holder (70), and the holder (70) is connected to at least one electrically insulating spacer (67, 68) which is fastened to the cover surface (31). The invention also relates to a battery system which comprises at least one battery cell (2) according to the invention.
The invention relates to a fuel cell system having lines for feeding hydrogen from a high-pressure hydrogen reservoir into a fuel cell assembly. The lines have a high-pressure region, a medium-pressure region, and a fuel cell operating-pressure region. The lines of the medium-pressure region are pressure-relieved upon deactivation of the fuel cell system in order to avoid hydrogen diffusing out during standstill periods of the fuel cell system, and to thus avoid the formation of explosive hydrogen/air mixtures. The invention also relates to a tank module, which is configured for pressure relieving, to a method of deactivating and re-activating the fuel cell system, to the use of a 3/2-way valve for pressure-relieving the medium-pressure region of the hydrogen lines of a fuel cell system, and to a motor vehicle having a fuel cell system or tank module.
Disclosed is a heat exchange apparatus for cooling water of a fuel cell, the heat exchange apparatus including a body, through which a cooling water pipe, through which cooling water that is to be supplied to a fuel cell stack flows, passes, and a heat accumulator provided in the interior of the body and filled with a PCM heat accumulation material that is to exchange heat with the cooling water. The body includes a medium space provided between the cooling water pipe and the heat accumulator and filled with a medium material. The PCM heat accumulation material exchanges heat with the cooling water by the medium material.
Provided is a redox flow battery in which damage is unlikely to occur in a membrane. A redox flow battery includes a pair of adjacent cell frames, each cell frame including a frame body in which a flow channel for an electrolyte is formed, and a bipolar plate disposed inside the frame body; a positive electrode and a negative electrode disposed so as to face each other between the bipolar plates of the pair of cell frames; a membrane interposed between the positive electrode and the negative electrode; a protection plate which covers the flow channel and presses edge portions of the positive electrode or the negative electrode toward the bipolar plate; and a membrane protection structure which prevents the membrane from being broken by contact between the protection plate and the membrane.
The present invention relates to a separation plate, a manufacturing method therefor, and a fuel cell stack comprising the same, and according to one aspect of the present invention, provided is a separation plate having: a first surface and a second surface in a direction opposite to that of the first surface; a plurality of channel elements protruding from the second surface toward the first surface, wherein each of the channel elements is arranged to have an inlet port and an outlet port along the flowing direction of a fluid flowing on the first surface; and a rib having a height varying along the circumferential direction of a virtual axis connecting the inlet port and the outlet port, wherein at least a partial region of an outer surface of the rib is formed into a cycloid curved surface along the circumferential direction of the virtual axis.
A gas diffusion electrode has a microporous layer on at least one surface of an electrical conducting porous substrate. The microporous layer has at least a first microporous layer in contact with the electrical conducting porous substrate, and a second microporous layer. The gas diffusion electrode has a pore size distribution with a peak at least in a first region of 10 μm or more and 100 μm or less, a second region of 0.2 μm or more and less than 1.0 μm, and a third region of 0.050 μm or more and less than 0.2 μm. The total volume of the pores in the second region is 10% or more and 40% or less of the total volume of the pores in the first region, and the total volume of the pores in the third region is 40% or more and 80% or less of the total volume of the pores in the second region.
Embodiments described herein relate to methods for preparing catalysts and catalyst supports. In one embodiment, transition metal carbide materials, having a nanotube like morphology, are utilized as a support for a precious metal catalyst, such as platinum. Embodiments described herein also relate to proton exchange membrane fuel cells that incorporate the catalysts described herein.
An air electrode material according to the present disclosure contains a plurality of composite particles, wherein each of the composite particles contains a core particle and a plurality of covering particles covering the core particle, the core particle is formed of a material with catalytic activity for an oxygen reduction reaction, the covering particles are formed of an electrically conductive material and are mechanically bonded to the core particles or other covering particles, and the median size of the core particles ranges from 100 to 1000 times the average primary particle size of the covering particles.
The present disclosure provides a positive electrode plate, a preparation method thereof and a sodium-ion battery. The positive electrode plate comprises a positive electrode current collector and a positive electrode active material film. The positive electrode active material film provided on the positive electrode current collector and comprises a positive electrode active material. The positive electrode active material comprises a prussian blue analogue material, a molecular formula of the prussian blue analogue material is AxM[M′(CN)6]y, a water content of the positive electrode active material film is 100 μg/g˜5000 μg/g. The water content of the positive electrode active material film is controlled within a certain range, which can not only ensure the sodium-ion battery do not seriously swell during charge-discharge process, but also can ensure sodium-ion battery have excellent charge-discharge performance and cycle performance.
A cathode material for a lithium-ion secondary battery of the present invention is active material particles including central particles represented by LixAyMzPO4 and a carbonaceous film that coats surfaces of the central particles, in which a median diameter is 0.50 μm or more and 0.80 μm or less, and a chromaticity b* in an L*a*b* color space is 1.9 or more and 2.3 or less.
An anode active material for a sodium ion secondary battery, a sodium ion secondary battery including an anode active material, and an electric device including the sodium ion secondary battery are disclosed. The anode active material for a sodium ion secondary battery includes a cobalt tin spinel oxide represented by Co2.4Sn0.6O4. The sodium ion secondary battery includes an anode made of an anode active material composed of a cobalt tin spinel oxide represented by Chemical Formula 1 below: Co2+xSn1-xO4, Chemical Formula 1 where x is a real number satisfying 0≤x≤0.9; an electrolyte; and a cathode. The sodium ion secondary battery has high capacity characteristics. The electric device including the sodium ion secondary battery includes an electric vehicle, a hybrid electric vehicle, a plug-in hybrid electric vehicle, and an electric power storage system.
Improved anodes and cells are provided, which enable fast charging rates with enhanced safety due to much reduced probability of metallization of lithium on the anode, preventing dendrite growth and related risks of fire or explosion. Anodes and/or electrolytes have buffering zones for partly reducing and gradually introducing lithium ions into the anode for lithiation, to prevent lithium ion accumulation at the anode electrolyte interface and consequent metallization and dendrite growth. Various anode active materials and combinations, modifications through nanoparticles and a range of coatings which implement the improved anodes are provided.
A positive-electrode active material contains a compound that has a crystal structure belonging to a space group FM3-M and contains is represented by the composition formula (1) and an insulating compound, LixMeyOαFβ (1) wherein Me denotes one or two or more elements selected from the group consisting of Mn, Co, Ni, Fe, Al, B, Ce, Si, Zr, Nb, Pr, Ti, W, Ge, Mo, Sn, Bi, Cu, Mg, Ca, Ba, Sr, Y, Zn, Ga, Er, La, Sm, Yb, V, and Cr, and the following conditions are satisfied. 1.7≤x≤2.2 0.8≤y≤1.3 1≤α≤2.5 0.5≤β≤2
A positive-electrode active material containing a compound that has a crystal structure belonging to the space group FM-3M and is represented by the composition formula (1): LixMeyOαFβ (1) wherein Me denotes one or two or more elements selected from the group consisting of Mn, Co, Ni, Fe, and Al, and the following conditions are satisfied.1.3≤x≤2.20.8≤y≤1.31≤α≤2.930.07≤β≤2
A method of preparing an electrode for a secondary battery including: (a) a process of partially coating an electrode slurry containing an electrode mixture and a solvent on an electrode sheet so that coated portions are positioned with an uncoated portion interposed therebetween; (b) a process of drying the coated portions to remove the solvent; and (c) a process of rolling the dried coated portions, wherein a thickness of the coated portion is decreased and the electrode mixture moves to the uncoated portions, resulting in the coated portions disappearing, in the process (c).
An electric power system such as, for example, a circuit, an electric appliance, an electric generator, and/or an energy storage system, can be coupled with a negative thermal expansion component. The negative thermal expansion component can be formed from a material having negative thermal expansion properties such that the negative thermal expansion component contracts in response to an increase in temperature. The contraction of the negative thermal expansion component can form a nonconductive gap that disrupts current flow through the electric power system. The disruption of the current flow can eliminate hazards associated with the electric power system overcharging, overheating, and/or developing an internal short circuit.
A through hole is provided in an insulating member. A bus bar is provided in the insulating member and constructed to electrically connect adjacent modules to each other when the insulating member is attached to a fixing member. A fastening bolt fastens the insulating member to the fixing member by being coupled to a nut through the through hole. A nut is provided in the through hole, and the through hole is provided to extend toward the fixing member when the insulating member is attached to the fixing member.
The disclosure is directed to an apparatus comprising a substrate and a composition disposed on the substrate. The catalyst comprises a polypropylene carbonate (PPC) and a catalyst selected from the group consisting of an acid with a pKa less than or equal to 1 in water, a phase transfer catalyst, and a metal salt. The substrate and composition can be used in insulators between batteries, for example in a battery pack.
According to the present disclosure, there is provided an electrode assembly comprising (a) a structure in which one kind of radical unit is repeatedly disposed, the one kind of radical unit having a same number of electrodes and separators which are alternately disposed and integrally combined, or (b) a structure in which at least two kinds of radical units are disposed in a predetermined order, the at least two kinds of radical units each having a same number of electrodes and separators which are alternately disposed and integrally combined.
The invention relates to a connecting element (1) to connect a battery cell (15) of an electric vehicle (16) to a battery box (10), wherein the connecting element (1) has at least one connecting section (5) for connection to the battery cell and is joined to the battery box (10). The problem addressed by the invention is that of being able at least largely to dispense with the need to use filler material when joining the connecting element to the baseplate of the battery box so as to improve its quality and make it more cost-effective. The problem is solved by a connecting element (1) that has at least one joining section (2) for securely connecting the connecting element to the battery box (10).
An exemplary method includes, among other things, providing first and second blanks that are nominally identical and that include an array of raised features. The method further includes removing a first combination of individual raised features from the first blank to provide a first battery component with a first flow path, and removing a different, second combination of individual raised features from the second blank to provide a second battery component with a different, second flow path. An exemplary battery assembly includes, among other things, a blank having a plurality of ribs extending from a floor. The blank is configured such that a first combination of the ribs are removable from the blank to provide a first battery component having first flow path, and a different, second combination of the ribs are removable from the blank to provide a second battery component having a different, second flow path.
A resin composition can impart high insulating properties, sealing properties, and moldability to a battery packaging material. A resin composition minimizes cracks when used in the sealant layer of a battery packaging material and a heat seal section of the material is bent, and can impart high insulating properties. A resin composition for use in the sealant layer of a battery packaging material contains: at least one of a propylene-ethylene random copolymer having a melting point of 156° C. or more and an ethylene content of 5 mass % or less and a propylene-ethylene block copolymer having a melting point of 158° C. or more and an ethylene content of 7 mass % or less; and a polyolefin elastomer having a melting point of 135° C. or more. A resin composition for the sealing layer of a battery packaging material contains a polyolefin resin having an isotactic fraction of 99% or less.
A battery unit includes a battery, and a case accommodating the battery. The case includes: a case body including: a bottom portion; and a side wall, which is erected from the bottom portion and defines an opening portion; and a lid covering the opening portion of the case body. The case body and the lid are fastened at flange portions thereof. The flange portion of the case body, the flange portion of the lid, and the case body are covered with an incombustible member containing a glass material.
The present disclosure relates to an organic light-emitting diode (OLED) display panel, including: a substrate, an OLED array layer configured on the substrate, a thin film packaging layer configured on the substrate and the OLED array layer, and a light extraction layer configured within the thin film packaging layer. The OLED array layer includes a plurality of OLED components arranged in matrix. The thin film packaging layer includes at least two inorganic barrier layers and at least one organic buffer layer. One side of the inorganic barrier layer facing away the substrate includes a plurality of pixel grooves corresponding to tops of each of the OLED components. The light extraction layer is configured within the pixel grooves, and the light extraction layer is covered by a flattening film configured to seal the light extraction layer within the pixel grooves, so as to flatten a surface of the inorganic barrier layer.
A display device includes a bending area at which the display device is bendable; an organic light emitting element disposed on the substrate; an encapsulation layer covering an upper surface and a side surface of the organic light emitting element; and a bending area protection layer covering the bending area of the substrate. The upper surface of the encapsulation layer includes a nano structure defined by nano sized protrusions and depressions of the upper surface, and along the substrate, and the bending area is disposed separated from the encapsulation layer.
The present disclosure provides multilayered hole injection structures including one or more layers of oxides for application in an organic electroluminescent device. The layered structures include an insulating metal oxide such as Al2O3 including a transition metal oxide to lower the hole injection barrier and enable hole transfer which is sandwiched between the conductive aluminum layer and a hole transport layer. The layered structure may also include a tri-layered structure stacked sequentially including a first electrically conductive layer, an insulating metal oxide and a hole injection layer material selected from a group of transition metal oxides.
An OLED device, a manufacturing method of an OLED device and a display apparatus are provided. The OLED device includes a plurality of pixels, each of the plurality of pixels including a plurality of sub-pixels with different colors, each of the plurality of sub-pixels including a first electrode, a second electrode, and a light-emitting material layer disposed between the first electrode and the second electrode. A hole injection layer is disposed between the light-emitting material layer and the first electrode of each of the sub-pixels, and the number of layers of the hole injection layer between the light-emitting material layer and the first electrode of a part of the sub-pixels is lower than that of other sub-pixels.
The present invention provides a quantum dot light emitting diode comprising i) an emitting layer of at least one semiconductor nanoparticle made from semiconductor materials selected from the group consisting of Group II-VI compounds, Group II-V compounds, Group III-VI compounds, Group III-V compounds, Group IV-VI compounds, Group I-III-VI compounds, Group II-IV-VI compounds, Group II-IV-V compounds, or any combination thereof; and ii) a polymer for hole injection or hole transport layer; and the polymer comprises, as polymerized units, at least one or more monomers having a first monomer structure comprising a) a polymerizable group, b) an electroactive group with formula NAr1Ar2Ar3 wherein Ar1, Ar2 and Ar3 independently are C6-C50 aromatic substituents, and (c) a linker group connecting the polymerizable group and the electroactive group.
The present application provides a method for fabricating a thin film transistor, a method for fabricating an array substrate, and a display apparatus. A method for fabricating a thin film transistor including: providing a substrate; covering an isolating layer on the substrate; coating an active layer precursor solution on the isolation layer; forming an active layer thin film by the active layer precursor solution; dividing the active layer thin film into a small module active layer, the mobility of the active layer of the thin film transistor is increased, and to drive the quantum dot light emitting device of the array substrate through the thin film transistor with high mobility to improve the display luminescence performance of the display apparatus.
A method of manufacturing an organic light emitting diode display is provided. The method includes: pasting a backboard to an underside of the flexible substrate by a viscosity-variable adhesive; severing the backboard located in the bended region from the backboard located in the non-bended region; peeling off the backboard located in the bended region; and performing a viscosity enhancement treatment to the viscosity-variable adhesive on the non-bended region.
In a flexible organic light-emitting display device according to the present disclosure, an organic sealing film having a refractive index at least 0.3 smaller than a refractive index of each of first and second inorganic sealing films is disposed between the first and second inorganic sealing films, and, at the same time, a thickness of a front sealing layer is optimized to be less than 10 micrometers inclusive. Thus, the refractive index difference between the organic capping layer and the inorganic capping layer may be maximized to increase the micro-cavity effect. Further, by increasing the refractive index difference and optimizing the thickness in the front sealing layer, the micro-cavity effect may further be increased and, hence, the light extraction efficiency may be maximized.
Organic light emitting devices incorporating a film of metal complex emitters that are oriented with their transition dipole moment vectors oriented parallel to the device substrate enhances the outcoupling and eliminate the need for micro-lens arrays, gratings, or other physical extraneous outcoupling methods.
Provided are: a light-emitting layer for a perovskite light-emitting device; a method for manufacturing the same; and a perovskite light-emitting device using the same. The method of the present invention for manufacturing a light-emitting layer for a halide perovskite light-emitting device comprises a step of forming a first nanoparticle thin film by coating, on a member for coating a light-emitting layer, a solution comprising halide perovskite nanoparticles including a perovskite nanocrystal structure. Thereby, a nanoparticle light emitter has therein a halide perovskite having a crystal structure in which FCC and BCC are combined; and can show high color purity. In addition, it is possible to improve the luminescence efficiency and luminance of a device by making perovskite as nanoparticles and then introducing the same into a light-emitting layer.
Provided are a condensed cyclic compound and an organic light-emitting device including the same. The material is represented by the formula A2-(A1)n1, wherein A2 may be selected from groups represented by Formula 2, A1 may be selected from groups represented by Formulae 2-1 to 2-4, and n1 may be an integer selected from 1 to 5: Organic light-emitting devices manufactured using this material were found to have lower driving voltages, higher brightness values, higher efficiencies, and longer half-lifespans.
The present invention provides a method of fabricating an organic light emitting diode display, including forming an exfoliation layer to be peeled off on the base substrate corresponding to two of the first predetermined area, the second predetermined area, and the third predetermined area; using a predetermined mask to form an organic light emitting layer on the exfoliation layer and the base substrate which is not covered by the exfoliation layer; and heating the base substrate to peel off the exfoliation layer and the organic light emitting layer on the exfoliation layer, while remaining the organic light emitting layer not covered by the exfoliation layer.
Structures for a non-volatile memory element and methods of fabricating a structure for a non-volatile memory element. The structure includes a bottom electrode, a seed layer on the bottom electrode, and a magnetic-tunneling-junction layer stack on the seed layer. The seed layer is composed of a nickel-chromium-ruthenium alloy including ruthenium in an amount ranging from seven atomic percent by weight to eighty-four atomic percent by weight.
A device and method for converting magnetic flux to voltage uses a linear Fraunhofer pattern of a 1D array of long Josephson junctions. The 1D array of Josephson junctions may include from 1 to 109 junctions formed in a planar geometry with a bridge width within the range of 4-10 μm.
A method for producing a thermoelectric object for a thermoelectric conversion device is provided. A starting material which has elements in the ratio of a half-Heusler alloy is melted and then cooled to form at least one ingot. The ingot is homogenized at a temperature of 1000° C. to 1400° C. for a period of time t, wherein 0.5 h≤t<12 h or 24 h
A light-emitting device is provided. The light-emitting device includes a light-emitting element having a peak light-emitting wavelength in the range of 440 nm to 470 nm, and a fluorescent member. The fluorescent member includes a first fluorescent material having a peak light-emitting wavelength in the range of 480 nm to less than 520 nm, a second fluorescent material having a peak light-emitting wavelength in the range of 520 nm to less than 600 nm, and a third fluorescent material having a peak light-emitting wavelength in the range of 600 nm to 670 nm. The light-emitting device has a ratio of an effective radiant intensity for melatonin secretion suppression to an effective radiant intensity for blue-light retinal damage of 1.53 to 1.70 when the light-emitting device emits light with a correlated color temperature of 2700 K to less than 3500 K; 1.40 to 1.70 when the light-emitting device emits light with a correlated color temperature of 3500 K to less than 4500 K; 1.40 to 1.70 when the light-emitting device emits light with a correlated color temperature of 4500 K to less than 5700 K; and 1.35 to 1.65 when the light-emitting device emits light with a correlated color temperature of 5700 K to 7200 K.
Provided are a light-emitting instrument, and an image display device utilizing an AlON phosphor and having wide color gamut. The light-emitting instrument includes an emission source emitting light having a wavelength from 410 nm to 470 nm and a phosphor or a light-transmitting body where the phosphor is dispersed, and the phosphor includes an inorganic compound where an AlON crystal, an AlON solid solution crystal, or an inorganic crystal having a crystal structure identical to AlON includes at least Mn, an A element (a monovalent metal element) it necessary, a D element (a divalent metal element) if necessary, an E element (a monovalent anion) if necessary, and a G element (one or more elements other than Mn, the A, Al, O, N, the D, or the E) if necessary, and emits fluorescence having a peak wavelength from 515 nm to 541 nm upon irradiation of an excitation source.
The present disclosure generally relates to semiconductor detectors for use in optoelectronic devices and integrated circuit (IC) chips, and methods for forming same. More particularly, the present disclosure relates to integration of semiconductor detectors with Bragg reflectors. The photodetector of the present disclosure includes a substrate, a Bragg reflector disposed on the substrate, and a semiconductor detector disposed on the Bragg reflector. The Bragg reflector includes alternating layers of a semiconductor material and a dielectric material.
Structures for a field-effect transistor and methods of forming structures for a field-effect transistor. A source/drain region is connected with a channel layer, and a gate structure extends across the channel layer. The channel layer is composed of a two-dimensional material.
The present application provides a thin film transistor and a method of fabricating the same, an array substrate and a display device. The thin film transistor includes: a gate electrode; an active layer including a first portion made of polysilicon and a second portion made of amorphous silicon; a source electrode and a drain electrode; and an ohmic contact layer. The second portion of the active layer is in contact with the source electrode and the drain electrode through the ohmic contact layer.
In a transistor region of an active region, trench-gate MOS gates for a vertical MOSFET are formed on the front surface side of a semiconductor substrate. In a non-effective/pad region of the active region, a gate pad is formed on the front surface of the semiconductor substrate with an interlayer insulating film interposed therebetween. An n-type region is formed spanning across the entire non-effective region in the surface layer of the front surface of the semiconductor substrate. The portion directly beneath the gate pad is only an n-type region constituted by an n+ starting substrate, an n− drift region, and the n-type region, with the interlayer insulating film sandwiched thereabove. No n+ source region is formed in a p-type base region extension which is the portion of a p-type base region that extends into the non-effective region.
Embodiments of the disclosure are in the field of advanced integrated circuit structure fabrication and, in particular, 10 nanometer node and smaller integrated circuit structure fabrication and the resulting structures. In an example, an integrated circuit structure includes an inter-layer dielectric (ILD) layer above a substrate. A conductive interconnect line is in a trench in the ILD layer, the conductive interconnect line having a first portion and a second portion, the first portion laterally adjacent to the second portion. A dielectric plug is between and laterally adjacent to the first and second portions of the conductive interconnect line, the dielectric plug comprising a metal oxide material.
The present disclosure relates to semiconductor structures and, more particularly, to poly gate extension source to body contact structures and methods of manufacture. The structure includes: a substrate having a doped region; a gate structure over the doped region, the gate structure having a main body and a gate extension region; and a body contact region straddling over the gate extension region and remote from the main body of the gate structure.
A method for making a semiconductor device may include forming spaced apart source and drain regions in a semiconductor layer with a channel region extending therebetween. At least one of the source and drain regions may be divided into a lower region and an upper region by a dopant diffusion blocking superlattice with the upper region having a same conductivity and higher dopant concentration than the lower region. The dopant diffusion blocking superlattice may include a plurality of stacked groups of layers, with each group of layers comprising a plurality of stacked base semiconductor monolayers defining a base semiconductor portion, and at least one non-semiconductor monolayer constrained within a crystal lattice of adjacent base semiconductor portions. The method may further include forming a gate on the channel region.
A vertical transport field effect transistor (VTFET) is provided that includes a vertical semiconductor channel material structure (i.e., fin or pillar) having a V-shaped groove located in the topmost surface thereof. A top source/drain structure is formed in contact with the V-shaped groove present in the topmost surface of the vertical semiconductor channel material structure. No drive-in anneal is needed to form the top source/drain structure. The presence of the V-shaped groove at the top junction region provides a VTFET that has improved device performance.
Embodiments of the invention are directed to a nanosheet field effect transistor (FET) device. A non-limiting example of the nanosheet FET device includes a stack of channel nanosheets over a substrate, along with a source or drain (S/D) trench in a predetermined region of the substrate. The predetermined region of the substrate includes a region over which a S/D region of the nanosheet FET is formed. The S/D region of the nanosheet FET is formed at ends of a bottommost one of the stack of channel nanosheets. An isolation barrier is formed in the S/D trench. The isolation barrier is configured to substantially prevent the S/D region from being electrically coupled to the substrate.
A semiconductor device includes a semiconductor part including first to fifth layers; an electrode on a front surface of the semiconductor part; first and second control electrodes between the semiconductor part and the electrode. The first layer includes first and second portions alternately arranged along the front surface of the semiconductor part. The second layer is positioned between the first and second portions of the first layer. The first and second control electrodes are placed at boundaries of the first and second portions and the second layer, respectively. The third layer is provided between the second electrode and the first and second portions of the first layer. The fourth and fifth layers are selectively provided between the third layer and the second electrode. The first control electrode is opposed to the first, third and fourth layers. The second control electrode is opposed to the first, third and fifth layers.
A display device includes a first substrate layer having a first, second, and third through holes spaced apart from each other; a second substrate layer having a fourth through hole; a first intermediate conductive layer having a first exposed portion exposed through the first through hole, and a second exposed portion exposed through the second through hole; a second intermediate conductive layer having a third exposed portion exposed through the third through hole; a wiring on the second substrate layer and electrically connected to the second intermediate conductive layer through the fourth through hole; a first electronic device on the first substrate layer and electrically connected to the first exposed portion; and a second electronic device on the first substrate layer and electrically connected to the second exposed portion and the third exposed portion.
An organic light-emitting diode (OLED) array substrate, a method for manufacturing an organic light-emitting diode (OLED) array substrate and a display apparatus are provided, and the OLED array substrate includes: a base substrate; a driving transistor, a first electrode, a second electrode, an organic material functional layer, and an auxiliary electrode connected to the second electrode disposed on the base substrate; and the driving transistor includes a gate electrode, a source electrode and a drain electrode, and the first electrode is electrically connected with the source electrode or the drain electrode; the auxiliary electrode is disposed in a same layer as at least one of the first electrode, the gate electrode, and the drain electrode.
A display device includes an input sensing unit having a plurality of sensing electrodes, a plurality of signal lines each of which is connected to a corresponding one of the plurality of sensing electrodes, and a plurality of sensing pads each of which each is connected to a corresponding one of the plurality of signal lines. The sensing pads are arranged in a non-linear configuration, such as a plurality of rows when viewed in a plan view.
An OLED touch display substrate, an OLED touch display panel, a display device and a control method thereof are provided. The OLED touch display substrate includes an anode, a cathode and a functional layer arranged on a base substrate. The cathode includes sub-cathodes, a time period for displaying one image frame of the OLED touch display substrate includes a display time period and a touch time period, and the sub-cathodes further serve as touch electrodes. The touch display substrate further includes touch signal lines electrically connected to the touch electrodes. Within the display time period, a common voltage signal is applied to each touch electrode via the respective touch signal line. Within the touch time period, a touch scanning signal is applied to each touch electrode via the respective touch signal line, and it is detected whether or not a self-capacitance of the touch electrode changes.
A semiconductor device includes a gate structure on a substrate, source and drain contacts respectively on opposite sides of the gate structure and connected to the substrate, a magnetic tunnel junction connected to the drain contact, a first conductive line connected to the source contact, and a second conductive line connected to the first conductive line through a first via contact. The second conductive line is distal to the substrate in relation to the first conductive line. The first and second conductive lines extend in parallel along a first direction. The first and second conductive lines have widths in a second direction intersecting the first direction. The widths of the first and second conductive lines are the same. The first via contact is aligned with the source contact along a third direction perpendicular to a top surface of the substrate.
A method of imaging infrared light is provided which comprises: exciting ultrasonic waves in a metal pillar (e.g., Cu pillar); measuring the Time-of-Flight (ToF) of the ultrasonic wave in the waveguide; whereas the ToF is a function of incident Infrared light energy on the waveguide, and reporting the infrared light energy to capture an image. An apparatus of imaging infrared light is provided which comprises: a transducer; a waveguide coupled with the transducer; and a pixel electronic circuit coupled to the transducer, wherein the transducer includes one or more of: PZT, LiNb, AlN, or GaN.
Provided is a solid-state image pickup device and a method of manufacture, and an electronic device capable of suppressing occurrence of a transmission wavelength shift with a simpler design. The solid-state image pickup device includes a multilayer film filter having a laminated structure in which a transmission wavelength adjustment layer is sandwiched between a first multilayer film layer and a second multilayer film layer. The transmission wavelength adjustment layer is formed such that at least two types of dielectrics having different refractive indexes mixedly exist, and an effective refractive index is determined according to a ratio of the mixture. The effective refractive index of the transmission wavelength adjustment layer gradually increases from a chip central portion in which an incident angle of light emitted onto the multilayer film filter is small toward a chip end portion in which the incident angle of light is large.
A method addresses low cost, low resistance metal interconnects and mechanical stability in a high aspect ratio structure. According to the various implementations disclosed herein, a replacement metal process, which defers the need for a metal etching step in the fabrication process until after all patterned photoresist is no longer present. Under this process, the conductive sublayers may be both thick and numerous. The present invention also provides for a strut structure which facilitates etching steps on high aspect ratio structures, which enhances mechanical stability in a high aspect ratio memory stack.
An IC chip includes a logic circuit cells array and a static random access memory (SRAM) cells array. The logic circuit cells array includes a plurality of logic circuit cells abutted to one another in a first direction. The logic circuit cells array includes one or more continuous first fin lines that each extends across at least three of the abutted logic circuit cells in the first direction. The static random access memory (SRAM) cells array includes a plurality of SRAM cells abutted to one another in the first direction. The SRAM cells array includes discontinuous second fin lines.
SRAM structures are provided. A SRAM structure includes multiple SRAM cells arranged in multiple rows and multiple columns. A first SRAM cell is adjacent to a second SRAM cell in the same row. A third SRAM cell is adjacent to the first SRAM cell in the same column. A fourth SRAM cell is adjacent to the second SRAM in the same column. A contact plug is positioned between the first, second, third and fourth SRAM cells. A VSS line is electrically coupled to the first, second, third and fourth SRAM cells through the contact plug. The contact plug is free of the barrier layer.
Some embodiments include a method of forming an integrated assembly. A structure is provided to have conductive lines, and to have rails over the conductive lines and extending in a direction which crosses the conductive lines. Each of the rails includes pillars of semiconductor material. The rails have sidewall surfaces along spaces between the rails. The pillars have upper segments, middle segments and lower segments. First-material liners are formed along the sidewall surfaces of the rails. A second material is formed over the liners. First sections of the liners are removed to form gaps between the second material and the sidewall surfaces of the rails. Second sections of the liners remain under the gaps. Conductive material is formed within the gaps. The conductive material is configured as conductive lines which are along the middle segments of the pillars.
A semiconductor device includes a plurality of conductive structures arranged on a substrate and spaced apart from each other in a second direction substantially perpendicular to a first direction, in which each of the plurality of conductive structures extends in the first direction. A plurality of contact structures are arranged between the conductive structures in an alternating arrangement and spaced apart from each other in the first direction. A plurality of insulation structures are arranged in a space between the conductive structures and between the contact structures. A plurality of air spacers are arranged between the alternating arrangement of the plurality of conductive structures and the plurality of contact structures, respectively and spaced apart from each other in the first direction.
A high-k dielectric metal trench capacitor and improved isolation and methods of manufacturing the same is provided. The method includes forming at least one deep trench in a substrate, and filling the deep trench with sacrificial fill material and a poly material. The method further includes continuing with CMOS processes, comprising forming at least one transistor and back end of line (BEOL) layer. The method further includes removing the sacrificial fill material from the deep trenches to expose sidewalls, and forming a capacitor plate on the exposed sidewalls of the deep trench. The method further includes lining the capacitor plate with a high-k dielectric material and filling remaining portions of the deep trench with a metal material, over the high-k dielectric material. The method further includes providing a passivation layer on the deep trench filled with the metal material and the high-k dielectric material.
An integrated device and a method for making said integrated device. The integrated device includes a plurality of planar MOSFETs that have a first contact region formed in a first source region of a plurality of source regions and a second contact region formed in a second source region of the plurality of source regions. The first and second contact regions have respective portions of the source region doped with the second conductivity type, and the first and second contact regions are separated by a JFET region, wherein the JFET region is longer in one planar dimension than the other and the first and second contact regions are separated by the longer planar dimension. The JFET region is bounded on at least one side corresponding to the longer planar dimension by a source region and a body region in conductive contact with at least one contact region.
Methods for fabricating FinFETs with enhanced performance are disclosed herein. An exemplary method includes forming a first fin and a second fin having a trench defined therebetween. The first fin and the second fin each include a first semiconductor layer disposed over a second semiconductor layer. An isolation feature is formed in the trench between the first fin and the second fin. A gate structure is formed over the isolation feature, a first region of the first fin, and a first region of the second fin. The gate structure is disposed between second regions of the first fin and between second regions of the second fin. After recessing the first fin and the second fin, a third semiconductor layer is formed over the first fin and the second fin. In some embodiments, the third semiconductor layer extends over the isolation feature and merges the first fin and the second fin.
A control circuit providing an output voltage and including an N-type transistor, a first P-type transistor and a second P-type transistor is provided. The N-type transistor is coupled to a first power terminal. The first P-type transistor includes a first source, a first drain, a first gate and a first bulk. The first gate is coupled to a gate of the N-type transistor. The first bulk is coupled to the first source. The second P-type transistor includes a second source, a second drain, a second gate and a second bulk. The second source is coupled to a second power terminal. The second drain and the second bulk are coupled to the first bulk.
A package structure includes an insulating encapsulation, a semiconductor die, and a filter structure. The semiconductor die is encapsulated in the insulating encapsulation. The filter structure is electrically coupled to the semiconductor die, wherein the filter structure includes a patterned metallization layer with a pattern having a double-spiral having aligned centroids thereof.
The semiconductor module includes a semiconductor chip and a semiconductor chip. The semiconductor chip includes an optical device such as an optical waveguide, an optical receiver, and a grating coupler, and a wiring formed over the optical device. The semiconductor chip includes a semiconductor element such as a MISFET formed in the semiconductor substrate, and a wiring formed over the semiconductor element. a top surface of the semiconductor chip is laminated to a top surface of the semiconductor chip such that the wirings are in direct contact with each other. In the semiconductor substrate, a through hole having a circular shape in plan view is formed, in the through hole, an insulating film is formed as a cladding layer, and the semiconductor substrate surrounded by the through hole constitutes an optical waveguide.
Some embodiments of the present disclosure provide a backlight module and a display device with the backlight module. The backlight module includes a plurality of Light-Emitting Diode (LED) luminous units arranged at intervals. Part of the plurality of LED luminous units are a plurality of first luminous units A with a first luminous peak wavelength, and the other part of the plurality of LED luminous units are plurality of second luminous units C with a second luminous peak wavelength, wherein the first luminous peak wavelength being less than a preset wavelength and the second luminous peak wavelength being greater than the preset wavelength. The plurality of first luminous units A and the plurality of second luminous units C are alternately arranged in sequence on the substrate, and in any two adjacent LED luminous units, one is a first luminous unit A and the other is a second luminous unit C.
A method includes thinning a semiconductor substrate of a device die to reveal through-substrate vias that extend into the semiconductor substrate, and forming a first redistribution structure, which includes forming a first plurality of dielectric layers over the semiconductor substrate, and forming a first plurality of redistribution lines in the first plurality of dielectric layers. The first plurality of redistribution lines are electrically connected to the through-substrate vias. The method further includes placing a first memory die over the first redistribution structure, and forming a first plurality of metal posts over the first redistribution structure. The first plurality of metal posts are electrically connected to the first plurality of redistribution lines. The first memory die is encapsulated in a first encapsulant. A second plurality of redistribution lines are formed over, and electrically connected to, the first plurality of metal posts and the first memory die.
A 3D stack includes a first chip having first interconnection pads of rectangular section, the first interconnection pads having a first pitch in a first direction and a second pitch in a second direction perpendicular to the first direction; and a second chip having second interconnection pads, the second interconnection pads having a third pitch in the first direction and a fourth pitch in the second direction, at least one part of the second interconnection pads being in contact with the first interconnection pads to electrically couple the first and second chips. The first interconnection pads have a first dimension in the first direction equal to m times the third pitch and a second dimension in the second direction equal to n times the fourth pitch. The first interconnection pads are separated two by two in the first direction by a first distance equal to q times the third pitch.
Systems that include integrated circuit dies and voltage regulator units are disclosed. Such systems may include a voltage regulator module and an integrated circuit mounted in a common system package. The voltage regulator module may include a voltage regulator circuit and one or more passive devices mounted to a common substrate, and the integrated circuit may include a System-on-a-chip. The system package may include an interconnect region that includes wires fabricated on multiple conductive layers within the interconnect region. At least one power supply terminal of the integrated circuit may be coupled to an output of the voltage regulator module via a wire included in the interconnect region.
An adhesive substrate includes a support base member and an adhesive layer provided on the support base member. The support base member contains electroconductive particles and an insulating resin, and has a recessed and projected pattern with two or more projected portions on one surface or both surfaces of the support base member. The adhesive layer is provided at least on upper surfaces of the projected portions in the recessed and projected pattern of the support base member. The adhesive layer on the upper surfaces of the projected portions has an upper surface with a curved surface. Thus, the present invention provides an adhesive substrate capable of selectively picking up and quickly transferring large amounts of fine chips and particles, a method for producing the adhesive substrate, and a transfer device.
Examples of a package for a flange mount device are described. In one example, the package includes a thermally conductive base, a base substrate, and a lid having a cavity. The base substrate includes a through hole and radio frequency (RF) input, RF output, and bias traces that extend to a perimeter of the through hole. The lid includes a cavity and RF input coupling, RF output coupling, and bias coupling traces. A device can be secured to the thermally conductive base, and the lid can be secured to the thermally conductive base, with the base substrate secured between the lid and the thermally conductive base, coupling the traces of the base substrate to the traces of the lid. Other components, such as biasing, blocking, and bypassing components can be easily integrated into the package. Impedance matching and electromagnetic shielding components can also be easily integrated into the package.
A semiconductor structure includes a die, a molding surrounding the die, a first seal ring disposed over the molding, and a second seal ring disposed below the molding. The semiconductor structure further includes a first interconnect structure disposed below the first surface of the die and a second interconnect structure disposed over the second surface and the molding. The first seal ring is disposed in the second interconnect structure and disposed over the molding, and the second seal ring is provided within the die and the first interconnect structure.
A package structure including a semiconductor die, a warpage control layer, an insulating encapsulant and a redistribution layer is provided. The semiconductor die has an active surface and a backside surface opposite to the active surface. The warpage control layer is disposed on the backside surface of the semiconductor die, wherein the warpage control layer comprises a material having a Young's Modulus of 100 GPa or more. The insulating encapsulant is encapsulating the semiconductor die and the warpage control layer. The redistribution layer is located on the insulating encapsulant and over the active surface of the semiconductor die.
A manufacturing method of a semiconductor structure includes at least the following steps. A semiconductor device having a first surface and a second surface opposite to the first surface is provided. A plurality of through semiconductor vias (TSV) embedded in the semiconductor device is formed. A first seal ring is formed over the first surface of the semiconductor device. The first seal ring is adjacent to edges of the first surface and is physically in contact with the TSVs. A second seal ring is formed over the second surface of the semiconductor device. The second seal ring is adjacent to edges of the second surface and is physically in contact with the TSVs.
A semiconductor device has a conductive via laterally separated from the semiconductor, an encapsulant between the semiconductor device and the conductive via, and a mark. The mark is formed from characters that are either cross-free characters or else have a overlap count of less than two. In another embodiment the mark is formed using a wobble scan methodology. By forming marks as described, defects from the marking process may be reduced or eliminated.
An alignment mark pattern is provided. The alignment mark pattern includes a first region that includes a first line and a first space having different widths therebetween, a second region that includes a second line and a second space having different widths therebetween, a third region that includes a third line and a third space having different widths therebetween, and a fourth region that includes a fourth line and a fourth space having different widths therebetween. The first and second lines extend in a first direction. The third and fourth lines extend in a second direction perpendicular to the first direction. The first region is diagonal to the second region. The third region is diagonal to the fourth region. The third region is adjacent to the first and second regions. The fourth region is adjacent to the first and second regions.
A semiconductor device includes a semiconductor substrate SB and a wiring structure formed on a main surface of the semiconductor substrate SB. The uppermost first wiring layer among a plurality of wiring layers included in the wiring structure includes a pad PD, and the pad PD has a first region for bonding a copper wire and a second region for bringing a probe into contact with the pad. A second wiring layer that is lower by one layer than the first wiring layer among the plurality of wiring layers included in the wiring structure includes a wiring line M6 arranged immediately below the pad PD, the wiring line M6 is arranged immediately below a region other than the first region of the pad PD, and no conductor pattern in the same layer as a layer of the wiring line M6 belong is formed immediately below the first region of the pad PD.
A semiconductor structure is provided. The semiconductor structure includes a substrate, a plurality of one-time-programmable (OTP) cells, a bottom cell plate, a top cell plate and a decoupling capacitor array. The substrate includes a plurality of active areas and at least one isolation structure provided between the active areas to isolate the active areas from one another. The plurality of OTP cells are disposed in the active areas, the bottom cell plate is disposed on the OTP cells, and the top cell plate is disposed over the bottom cell plate. The decoupling capacitor array is disposed between the bottom cell plate and the top cell plate, and overlies the OTP cells.
Techniques for improving reliability in Cu interconnects using Cu intermetallics are provided. In one aspect, a method of forming a Cu interconnect in a dielectric over a Cu line includes the steps of: forming at least one via in the dielectric over the Cu line; depositing a metal layer onto the dielectric and lining the via such that the metal layer is in contact with the Cu line at the bottom of the via, wherein the metal layer comprises at least one metal that can react with Cu to form a Cu intermetallic; annealing the metal layer and the Cu line under conditions sufficient to form a Cu intermetallic barrier at the bottom of the via; and plating Cu into the via to form the Cu interconnect, wherein the Cu interconnect is separated from the Cu line by the Cu intermetallic barrier. A device structure is also provided.
A method for manufacturing a semiconductor structure is provided. A plurality of trenches are formed in a substrate. The trenches define at least one fin therebetween. The fin is hydrogen annealed. A dielectric material is formed in the trenches. The dielectric material in the trenches is recessed.
A method for forming a semiconductor structure is provided. Multiple fins extending along a first direction are formed in a semiconductor substrate. The multiple fins includes a group of active fins, a pair of protection fins sandwiching about the group the active fins, and at least one dummy fin around the pair of protection fins. A fin cut process is performed to remove the at least one dummy fin around the pair of protection fins. After performing the fin cut process, trench isolation structures are formed within the trenches between the multiple fins. The trench isolation structures are subjected to an anneal process. After annealing the trench isolation structures, the pair of protection fins is removed.
A substrate transport apparatus including a frame, an upper arm rotatably mounted to the frame about a shoulder axis, a forearm rotatably mounted to the upper arm about an elbow axis where the forearm includes stacked forearm sections dependent from the upper arm through a common joint, and independent stacked end effectors rotatably mounted to the forearm, the forearm being common to the independent stacked end effectors, wherein at least one end effector is mounted to the stacked forearm sections at a wrist axis, where the forearm is configured such that spacing between the independent stacked end effectors mounted to the stacked forearm sections is decoupled from a height build up between end effectors accommodating pass through instrumentation.
A package structure and a method for fabricating thereof are provided. The package structure includes a substrate, a first connector, a redistribution layer, a second connector, and a chip. The first connector is disposed over the substrate. The redistribution layer is directly disposed over the first connector, and is connected to the substrate by the first connector. The redistribution layer includes a block layer, and a metal layer over the block layer. The second connector is directly disposed over the redistribution layer, and the chip is connected to the redistribution layer by the second connector.
A method for manufacturing a semiconductor package structure includes providing a semiconductor chip, encapsulating the semiconductor chip via a package body, the package body having a first surface opposite to a second surface, and coating a first self-assembled monolayer (SAM) over the first surface and the second surface of the package body.
A system for manipulating a filament can include a filament supply from which a filament can be drawn, the filament supply being positioned along an axis, a vacuum manipulator assembly positioned along the axis, wherein the vacuum manipulator assembly is configured to engage the filament when a vacuum is drawn through the vacuum manipulator assembly and draw the filament along the axis to a workpiece, and a welding tool comprising a welding head positioned along the axis between the filament supply and the vacuum manipulator assembly, the welding tool being configured to weld the filament to the workpiece.
The present disclosure provides a method for manufacturing a conductive line. The method includes steps of providing a substrate; forming a metal layer on the substrate; patterning the metal layer by etching a portion of the metal layer; and performing a post-treatment process on the patterned metal layer in a chamber by injecting a CxHyFz gas and water vapor into the chamber, such that the patterned metal layer avoids from being corroded after the post-treatment process is performed.
Methods and systems herein enable selective removal of ruthenium (Ru) metal at high throughput, and without potentially damaging effects of plasma. Techniques include a photo-assisted chemical vapor etch (PCVE) method to selectively remove Ru metal as a volatile species. A substrate with ruthenium surfaces is positioned within a processing chamber. A photo-oxidizer is received in vapor form in the processing chamber. The photo-oxidizer is a species that generates reactive oxygen species in response to actinic radiation. Reactive oxygen species are then generated by irradiation of the photo-oxidizer, such as with ultraviolet radiation. The reactive oxygen species react with ruthenium surfaces causing the ruthenium surfaces to become oxidized. Oxidized ruthenium is then removed from the substrate, such as be vaporization.
Implementations described herein generally relate to processes for the fabrication of semiconductor devices in which a self-assembled monolayer (SAM) is used to achieve selective area deposition. Methods described herein relate to alternating SAM molecule and hydroxyl moiety exposure operations which may be utilized to form SAM layers suitable for blocking deposition of subsequently deposited materials.
An optical grating component may include a substrate, and an optical grating, the optical grating being disposed on the substrate. The optical grating may include a plurality of angled structures, disposed at a non-zero angle of inclination with respect to a perpendicular to a plane of the substrate, wherein the plurality of angled structures are arranged to define a variable depth along a first direction, the first direction being parallel to the plane of the substrate.
Structures for a field effect-transistor and methods of forming a structure for a field-effect transistor. A gate electrode arranged adjacent to an outer sidewall spacer and an inner sidewall spacer. The gate electrode has a top surface that is recessed relative to the outer sidewall spacer and the inner sidewall spacer. A gate cap includes a first section of a first width arranged over the first section of the gate electrode and a second section of a second width arranged over the first section of the gate cap and the inner sidewall spacer. The second width is greater than the first width, and the inner sidewall spacer is composed of a low-k dielectric material.
The present invention provides a patterned structure for an electronic device and a manufacturing method thereof. The patterned structure includes a patterned layer, a blocking structure, a cantilever structure, and a connection structure. The patterned layer is disposed on a substrate. The blocking structure is disposed on the substrate at one side of the patterned layer, wherein a thickness of the blocking structure is smaller than a thickness of the patterned layer. The cantilever structure is disposed on the substrate and located between the patterned layer and the blocking structure. The cantilever structure is connected with the patterned layer and the blocking structure. The connection structure is connected between the patterned layer and the substrate at one side of the patterned layer, and located on the cantilever structure and the blocking structure.
Implementations described herein generally relate to methods for forming a low-k dielectric material on a semiconductor substrate. More specifically, implementations described herein relate to methods of forming a silicon oxide film at high pressure and low temperatures. In one implementation, a method of forming a silicon oxide film is provided. The method comprises loading a substrate having a silicon-containing film formed thereon into a processing region of a high-pressure vessel. The method further comprises forming a silicon oxide film on the silicon-containing film. Forming the silicon oxide film on the silicon-containing film comprises exposing the silicon-containing film to a processing gas comprising steam at a pressure greater than about 1 bar and maintaining the high-pressure vessel at a temperature between about 100 degrees Celsius and about 500 degrees Celsius.
For a sample whose components are separated from each other, an MS2 analysis is repeatedly performed by an MS/MS unit to obtain MS2 spectra. Peak information is collected from the MS2 spectrum acquired for each micro area on a two-dimensional chromatogram. A principal component analysis processor performs a principal component analysis on the collected peak information to determine a principal component score reflecting an overall tendency of the peak pattern of the MS2 spectra. A factor loading calculator computes a factor loading for each m/z from the principal component score. A correlation information calculator computes the coefficient of correlation between each MS2 spectrum and the factor loadings. Since the MS2 spectra reflect the chemical structure of a contained component, a two-dimensional image created based on the coefficient of correlation shows the distribution of a component having a similar chemical structure to a component which is characteristically contained in the sample.
A grounding cap module includes a main body, a frame portion, and a cap portion. The main body includes a first opening penetrating the main body and a grounding portion disposed on a periphery of the main body and configured to be electrically grounded. The frame portion is disposed on the main body and includes a second opening aligned with the first opening. The cap portion is disposed on the frame portion and covers the second opening, wherein the first opening, the second opening and the cap portion define a receiving cavity. A gas injection device and an etching apparatus using the same are also provided.
The present disclosure relates to a method includes generating ions with an ion source of an ion implantation apparatus based on an ion implantation recipe. The method includes accelerating the generated ions based on an ion energy setting in the ion implantation recipe and determining an energy spectrum of the accelerated ions. The method also includes analyzing a relationship between the determined energy spectrum and the ion energy setting. The method further includes adjusting at least one parameter of a final energy magnet (FEM) of the ion implantation apparatus based on the analyzed relationship.
Aspects of the disclosure relate to apparatus for the fabrication of waveguides. In one example, an angled ion source is utilized to project ions toward a substrate to form a waveguide which includes angled gratings. In another example, an angled electron beam source is utilized to project electrons toward a substrate to form a waveguide which includes angled gratings. Further aspects of the disclosure provide for methods of forming angled gratings on waveguides utilizing an angled ion beam source and an angled electron beam source.
A charged particle beam apparatus includes an irradiation system that supplies a converged charged particle beam to a sample and scans the sample with the charged particle beam, an imaging optical system that images the energy generated in the sample, a detection system that detects an image formed by the imaging optical system with an avalanche photodiode array, and a control unit that changes a pixel to be operated in a Geiger mode among pixels configuring the avalanche photodiode array according to movement of an irradiation range of the energy.
A charged particle beam device includes a deflection unit that deflects a charged particle beam released from a charged particle source to irradiate a sample, a reflection plate that reflects secondary electrons generated from the sample, and a control unit that controls the deflection unit based on an image generated by detecting the secondary electrons reflected from the reflection plate. The deflection unit includes an electromagnetic deflection unit that electromagnetically scans with the charged particle beam by a magnetic field and an electrostatic deflection unit that electrostatically scans with the charged particle beam by an electric field. The control unit controls the electromagnetic deflection unit and the electrostatic deflection unit, superimposes an electromagnetic deflection vector generated by the electromagnetic scanning and an electrostatic deflection vector generated by the electrostatic scanning, and controls at least a trajectory of the charged particle beam.
According to some aspects, a monochromatic x-ray source is provided. The monochromatic x-ray source comprises an electron source configured to generate electrons, a primary target arranged to receive electrons from the electron source to produce broadband x-ray radiation in response to electrons impinging on the primary target, and a secondary target comprising at least one layer of material capable of producing monochromatic x-ray radiation in response to incident broadband x-ray radiation emitted by the primary target.
An overcurrent protection device for distributing power to a component. A cartridge may removeably receiving a TPA fuse. The cartridge may include a power input terminal and a power output terminal. When the cartridge is removeably received by a power distribution panel the power input terminal may directly couple to a power input connection of the power distribution panel and the power output terminal may directly couple to a power output connection of the power distribution panel. The directly coupled power input terminal and power output terminal being void of an intermediate busbar arranged between the cartridge and the power distribution panel.
A multi-function key system and method is provided that includes key identification system, a first key, and a second key. The multi-function key system is in communication with an item of power equipment, and comprises first and second sensors for detecting magnetic fields. The first key is configured to interact with the key identification system, the first key comprises a first magnet generating a first magnetic field. The second key is configured to interact with the key identification system. The second key comprises a second magnet generating a second magnetic field. Wherein the first and second sensors differentiate between the first and second key based upon the first and second magnetic fields. The key identification system initiates a first functionality of the power equipment responsive to identifying the first key, and initiates a second functionality of the power equipment responsive to identifying the second key.
An assembly for preloading a cable rotary-pendulum kinematic system is provided. The assembly includes a rotational body of a cable rotary-pendulum kinematic system. The rotational body is configured to rotate about the longitudinal axis thereof and is immovable in the direction of the longitudinal axis. The assembly further includes at least one gas spring surrounding the rotational body and which may be compressed in the direction of the longitudinal axis. The assembly further includes primary cables, which force-lockingly connect the rotational body to the gas spring in such a way that a rotational motion of the rotational body causes compression of the gas spring, whereby the assembly is preloaded.
An electrical switching apparatus includes a first pole unit, a second pole unit, and a busbar assembly interconnecting the first pole unit with the second pole unit in series or in parallel. A first mechanism is configured to switch the first pole unit between its open and closed conditions. A second mechanism is configured to switch the second pole unit between its open and closed conditions. An actuating assembly is configured to actuate the first and second mechanisms to switch the first and second pole units from their open conditions to their closed conditions simultaneously, and to switch the first and second pole units from their closed conditions to their open conditions simultaneously.
A power tool is provided including a housing, a motor disposed within the housing, an on/off switch having a contact tip disposed within the housing for activating the motor, a paddle switch coupled to the housing via a pivot member and having a paddle trigger engageable by a user, a switch contact lever disposed in selectable engagement with the contact tip of the on/off switch to activate or deactivate the on/off switch, and a biasing member disposed between the switch contact lever and the paddle switch to absorb a travel distance of the paddle trigger with respect to the switch contact lever.
An energy storage device can have a first graphite film, a second graphite film and an electrode divider ring between the first graphite film and the second graphite film, forming a sealed enclosure. The energy storage device may be compatible with an aqueous electrolyte or a non-aqueous electrolyte. A method of forming an energy storage device can include providing an electrode divider ring, a first graphite film and a second graphite film. The method can include pressing a first edge of the electrode divider ring into a surface of the first graphite film, and pressing a second opposing edge of the electrode divider ring into a surface of the second graphite film to form a sealed enclosure. The sealed enclosure may have as opposing surfaces the surface of the first graphite film and the surface of the second graphite film.
A method for manufacturing a solid electrolyte capacitor, the method including: preparing a connection body including a frame and a plurality of capacitor elements, the frame including a plurality of element connection units and a coupling portion that integrally couples the plurality of element connection units with each other, the plurality of element connection units being provided along a first direction and a second direction intersecting with first direction the plurality of capacitor elements being connected to the plurality of element connection units; sealing the plurality of capacitor elements by using a sealing resin having a stripe shape that extends in the first direction; forming a groove in the sealing resin by running a blade along the second direction between the capacitor elements adjacent in the first direction; and segmenting the plurality of capacitor elements by cutting the sealing resin along a bottom surface of the groove by laser and cutting a boundary between each of the plurality of element connection units and the coupling portion by laser.
A method of manufacturing a multilayer ceramic electronic component includes preparing a ceramic green sheet, forming an internal electrode pattern by coating a paste for an internal electrode including a conductive powder including one or more of tungsten (W), molybdenum (Mo), chromium (Cr), and cobalt (Co), the sum of which is 1 to 20 wt %, and including tin (Sn), on the ceramic green sheet, forming a ceramic multilayer structure by stacking ceramic green sheets on which the internal electrode pattern is formed, and forming a body including a dielectric layer and an internal electrode by sintering the ceramic multilayer structure.
An electronic device includes a chip component and a metal terminal. The metal terminal is connected with the chip component. The metal terminal includes an electrode facing portion and a holding portion. The electrode facing portion is arranged correspondingly with an end surface of the terminal electrode of the chip component. The holding portion holds the chip component. A space region between the electrode facing portion and the end surface of the terminal electrode includes a joint region and a non-joint region. In the joint region, a connection member connects the electrode facing portion and the end surface of the terminal electrode. The non-joint region is formed without the connection member between a periphery of the joint region and the holding portion.
An inductor device includes at least two wires and at least two switches. Each of the at least two wires includes an opening, and the openings are disposed correspondingly to each other. One of the at least two switches is coupled to two terminals of the opening of one of the at least two wires. Another one of the at least two switches is coupled to one terminal of the opening of the one of the at least two wires and one terminal of the opening of another one of the at least two wires in an interlaced manner. If the one of the at least two switches is turned on, one of the at least two wires forms an inductor; if another one of the at least two switches is turned on, both of the at least two wires form the inductor.
A coil component includes: a body in which a support member is disposed; and first and second coil conductors formed on first and second surfaces of the support member, respectively, the second surface of the support member opposing the first surface thereof, and including first and second lead portions extended to be exposed to the outside of the body, respectively. The first and second lead portions are formed in corner regions of the body.
A conductive member includes a flat conductor having a substantially rectangular cross section, first and second cover members disposed so as to face each other with respect to front and back surfaces of the flat conductor, and sandwiching the flat conductor in a plate thickness direction of the flat conductor to cover the flat conductor, a locking portion provided on the first cover member and protruding toward the second cover member, and an engagement portion provided on the second cover member, and configured to hold the first and second cover members in a state that the flat conductor is sandwiched between the first and second cover members and the engagement portion engages with the locking portion which passes through a through hole provided in a central portion of the flat conductor.
A movable part composite cable includes a plurality of power supply wires being designed for electric power supply, which respectively include a plurality of insulated electric wires being laid together and being covered by each covering member, the plurality of power supply wires being arranged in contact with each other on surfaces of their respective covering members, one or more signal wires being designed for signal transmission, each signal wire having an outer diameter smaller than an outer diameter of each power supply wire, and a jacket, which is being provided over an outer periphery of an aggregate including the plurality of power supply wires and the one or more signal wires that are laid together. The power supply wires and the signal wires are not in direct contact with each other, or the power supply wires and the signal wires are in direct contact with each other with a contact area therebetween being smaller than a contact area between the power supply wires.
A wire conductor has a plurality of elemental wires made of aluminum or an aluminum alloy, which are stranded with each other and arranged, in cross-section intersecting an axial direction of the wire conductor, in which one or a plurality of virtual elemental wires are removed from an outer peripheral portion of a virtual cross-section represented by a maximum number of virtual elemental wires accommodated in a circumscribing figure approximated by a regular hexagon, the virtual elemental wires having a same diameter as the elemental wires. The wire conductor includes a plurality of slave strands, each being a strand of the plurality of elemental wires, a maximum diameter cross-sectional area ratio is 0.63 or higher that is calculated by dividing a cross-sectional area of the wire conductor by an area of a circle having a diameter equal to a maximum value of an outer diameter of the wire conductor.
A cable including a conductor surrounded by a covering layer, the covering layer formed from a thermoplastic vulcanizate composition which includes a continuous phase and a dispersed phase. The continuous phase is formed of a thermoplastic polyolefin. The dispersed phase is formed of a cross-linked elastomeric polyolefin. The thermoplastic vulcanizate composition passes the Hot Creep Test at 150° C. in accordance with UL 2556 (2013) and has a dielectric loss of 3 or less. Methods of forming cables with coverings are also disclosed.
The present invention relates to an electrical apparatus having an insulating space which contains a dielectric insulation fluid comprising an organofluorine compound. At least one solid component of the apparatus that is directly exposed to the insulation fluid contains a basic body made of a first material and a protective layer made of a second material different from the first material, the protective layer being directly or indirectly applied on the basic body and having a thickness of at least 50 μm. The organofluorine compound is selected from the group consisting of: fluoroethers, fluoroketones, fluoroolefins, fluoronitriles, and mixtures thereof, and the first material comprises or consists of a material selected from the group consisting of: a polymeric material, a ceramic, a composite material, and mixtures or combinations thereof.
A method of determining the shape of a radiation beam of a radiotherapy system at a treatment position, the system comprising a radiation source and a multi-leaf collimator disposed between the radiation source and the treatment position. The multi-leaf collimator includes an array of moveable leaves positioned to intersect and block parts of the radiation beam to define the shape of the radiation beam at the treatment position. The leaves of a group are aligned such that the planes of the leaves in that group converge at a point displaced laterally from the radiation source. The method includes, for each leaf in the array positioned to intersect the radiation beam, determining a projected width with respect to the radiation beam, the projected width being greater than the thickness of the respective leaf, and using the projected leaf width to determine the shape of the radiation beam at the treatment position.
A spacer grid specifically designed for accident tolerant fuel utilizing fuel rods with SiC cladding for implementation in pressurized water reactors. The spacer grid has a generally square design that allows for ease of SiC fuel rod insertion during the fuel assembly fabrication process by providing a smooth contact geometry. The co-planar support allows the fuel rods to be rotated axially more freely at the grid location than a conventional six-point contact geometry used in existing fuel assembly designs.
A spring apparatus in accordance with the disclosed and claimed concept is usable in a nuclear installation. In one embodiment, the spring apparatus includes a plurality of springs that are in a compressed state and that are compressively engaged with an upper core plate of a nuclear reactor when the reactor is in a cold condition. However, when the reactor is in a hot condition, a spring of the plurality of springs is in a free state wherein a free end of the spring is in an uncompressed state and is disengaged from the upper core plate. In another embodiment, the spring apparatus employs a support apparatus that is also in accordance with the disclosed and claimed concept and that includes one or more bumpers that engage the springs of a spring pack from the underside.
In some embodiments, a set of eye images related to a subject may be provided to a prediction model. A first prediction may be obtained via the prediction model, where the first prediction is derived from a first eye image and indicates whether an eye condition is present in the subject. A second prediction may be obtained via the prediction model, where the second prediction is derived from a second eye image and indicates that the eye condition is present in the subject. An aspect associated with the first prediction may be adjusted via the prediction model based on the second prediction's indication that the eye condition is present in the subject. One or more predictions related to at least one eye condition for the subject may be obtained from the prediction model, where the prediction model generates the predictions based on the adjustment of the first prediction.
Mechanisms are provided to implement a medical condition base cartridge generator. The mechanisms ingest an electronic corpus of medical content and generate a medical condition base cartridge for a medical condition. The medical condition base cartridge is a pluggable cartridge comprising insight data structures that specify an association of clinical attributes of patients with the medical condition and a treatment for the medical condition. The mechanisms install the medical condition base cartridge as a resource for performing a cognitive operation.
A system may include a storage device that stores executable instructions, and at least one processor in communication with the storage device. When executing the executable instructions, the at least one processor may be configured to cause the system to obtain information relating to an object; determine a target operation mode for the object according to the information relating to the object; obtain information relating to previous operations of a plurality of candidate scanning devices from a database; select a target scanning device for the object according to the target operation mode and the information relating to the previous operations of the plurality of candidate scanning devices; and generate a schedule for operating the target scanning device to scan the object.
Methods, computer-readable media, and systems for providing disease management. In one implementation, a system develops a treatment recommendation for a patient based on patient data. The system may receive patient data, execute a basic model of the physiological system of the patient to generate a modified model for the patient based on the patient data, perform a statistical analysis of the patient data to detect data excursions of the parameter values; use the modified model to determine factors causing the data excursions; and use the model to develop a treatment recommendation to ameliorate negative effects of the disease.
A multi-label heat map generating system is operable to receive a plurality of medical scans and a corresponding plurality of global labels that each correspond to one of a set of abnormality classes. A computer vision model is generated by training on the medical scans and the global labels. Probability matrix data, which includes a set of image patch probability values that each indicate a probability that a corresponding one of the set of abnormality classes is present in each of a set of image patches, is generated by performing an inference function that utilizes the computer vision model on a new medical scan. Heat map visualization data can be generated for transmission to a client device based on the probability matrix data that indicates, for each of the set of abnormality classes, a color value for each pixel of the new medical scan.
Techniques related to monitoring a health of a capacitor array of an SSD are described. In an example, a direct leakage current check is performed by determining voltages of the capacitor array at different times, computing a resistance of the capacitor array based on the voltages, and generating health data for the capacitor array based on the resistance. In another example, an indirect leakage current check is performed by determining at least one of: a number of times a voltage maintaining process is performed within a predefined time duration or a time difference between repeating the voltage maintaining process, comparing the at least one of the number of times or the time difference and a threshold, and generating the health data based on the comparison of the at least one of the number of times or the time difference and the threshold.
A storage device with a charge trapping (CT) based memory may include improved data retention performance. Data retention problems, such as charge loss in CT memory may increase for a particular programmed state when a neighboring state is at erased state. Modifying the erase state with post write erase conditioning (PWEC) by pushing up deeply erased states can reduce the lateral charge movement and improve high temperature data retention. In particular, the erase state may be reprogrammed such that the erase distribution is tighter with a higher voltage.
A nonvolatile semiconductor memory device according to one embodiment of the present invention includes: a memory cell array and a control circuit. The control circuit executes a first reading operation and a second reading operation. The first reading operation is an operation of reading a threshold voltage set in the selected memory cell by setting a voltage between a control gate electrode and source of the selected memory cell to a first value. The second reading operation is an operation of reading a threshold voltage set in the selected memory cell by setting a voltage between the control gate electrode and source of the selected memory cell to a second value lower than the first value. When executing the second reading operation, the control circuit keeps a voltage of the control gate electrode of the selected memory cell to 0 or a positive value.
Some embodiments include apparatuses and methods using first and second select gates coupled in series between a conductive line and a first memory cell string of a memory device, and third and fourth select gates coupled in series between the conductive line and a second memory cell string of the memory device. The memory device can include first, second, third, and fourth select lines to provide first, second, third, and fourth voltages, respectively, to the first, second, third, and fourth select gates, respectively, during an operation of the memory device. The first and second voltages can have a same value. The third and fourth voltages can have different values.
A nonvolatile semiconductor memory device includes a selection transistor and a memory transistor that are formed on a well for each of a plurality of memory cells. At a time of a data read from the memory transistor, a first voltage is applied to the well and a source of the memory transistor, and a second voltage is applied to a gate of the selection transistor included in a non-selected memory cell among the plurality of memory cells. The first voltage is smaller than an absolute value of the second voltage.
The present disclosure provides a method for ripening a resistive random access memory (RRAM). The method includes: obtaining a first RRAM, wherein the first RRAM includes a plurality of memory cells; performing a forming operation and an initial reset operation on the first RRAM to form a plurality of specific memory cells in the memory cells; reading a specific number of the specific cells, and determining a ripening cycle parameter according to the specific number; and performing a ripening operation on the first RRAM based on the ripening cycle parameter to ripen the first RRAM as a second RRAM.
A method for writing memory cells including: applying a program voltage to a target wordline; grounding bitlines of memory cells to be written to a first resistance state; setting a bitline voltage of unselected bitlines; and setting a wordline voltage of unselected wordlines; applying the program voltage to a target bitline; grounding wordlines of the memory cells to be written to a second resistance state; setting the wordline voltage of the unselected wordlines to a first value if a peak of a maximum voltage drop is greater than or equal to a second value; otherwise, setting the wordline voltage to zero; and setting the bitline voltage of the unselected bitlines to a third value if the peak of the maximum voltage drop is greater than or equal to the second value; otherwise, setting the bitline voltage to zero.
Techniques are disclosed for artificial neural network functionality within dynamic random-access memory. A plurality of dynamic random-access cells is accessed within a memory block. Data within the plurality of dynamic random-access cells is sensed using a plurality of sense amplifiers associated with the plurality of dynamic random-access cells. A plurality of select lines coupled to the plurality of sense amplifiers is activated to facilitate the sensing of the data within the plurality of dynamic random-access cells, wherein the activating is a function of inputs to a layer within a neural network, and wherein a bit within the plurality of dynamic random-access cells is sensed by a first sense amplifier and a second sense amplifier within the plurality of sense amplifiers. Resulting data is provided based on the activating wherein the resulting data is a function of weights within the neural network.
A sub-word line driver circuit includes a substrate, a plurality of gate lines, at least one gate tab, and a variable-thickness gate dielectric. The substrate includes an isolation area and an active area. The gate lines are arranged in a first direction and extend in a second direction perpendicular to the first direction. The gate tab extends in the first direction to cover the isolation area, in which the gate lines and the gate tab form at least one gate region on the substrate. The variable-thickness gate dielectric includes a thick gate dielectric region disposed over a first portion of the active area, and a thin gate dielectric region disposed over a second portion of the active area.
A memory storage apparatus having a plurality of operating modes is provided. The memory storage apparatus includes a memory control circuit and a memory cell array circuit. The memory control circuit controls the memory storage apparatus to operate in one of the operating modes. The memory control circuit controls the memory storage apparatus to operate in a first operating mode and controls the memory storage apparatus to switch from the first operating mode to a second operating mode to refresh storage data of the memory cell array circuit. The memory storage apparatus operates in a third operating mode to refresh storage data in the memory storage apparatus. An operating voltage of the memory storage apparatus operating in the second operating mode is smaller than an operating voltage of the memory storage apparatus operating in the third operating mode.
The present invention is directed a method for programming multiple memory cells connected to a common word line to different resistance regimes. Each cell includes a bipolar switching memory element and an access transistor coupled in series between first and second conductive lines. The memory element and access transistor are disposed adjacent to the first and second conductive lines, respectively. The method includes the steps of applying a first voltage to the common word line to program a first group of memory cells to a first resistance regime; and after the first group of memory cells is programmed to the first resistance regime, programming a second group of memory cells to a second resistance regime by raising the potential of second conductive lines connected to the first group of memory cells to a second voltage and raising the first voltage of the common word line to a third voltage.
A nonvolatile memory device includes a control logic circuit that receives a read command from outside the nonvolatile memory device, a memory cell array which includes a plurality of memory cells connected to a plurality of word lines, an address generator that generates a plurality of addresses based on read information from the outside of the nonvolatile memory device, an address decoder sequentially selects a plurality of pages in at least one word line, which correspond to the plurality of addresses, a page buffer circuit that is connected to the memory cell array through a plurality of bit lines, and prepares a plurality of sequential data from memory cells connected to the selected pages by the address decoder, and an input/output circuit that continuously outputs the plurality of sequential data from the page buffer circuit to the outside of the nonvolatile memory device through data lines.
The present invention discloses a data processing method and system for a scalable multi-port memory. The multi-port memory is a 2-read n-write multi-port memory unit. The method comprises: assembling two 2R1W memories into one Bank memory unit; assembling n/2 Bank memory units in depth into a hardware architecture of one 2-read n-write multi-port memory unit; under one clock cycle, when data is written into the 2-read n-write multi-port memory unit, if the size of the data is less than or equal to the bit width of the 2R1W memory, writing the data into different 2R1W memories respectively; and if the size of the data is greater than the bit width of the 2R1W memory, waiting for a second clock cycle, and when the second clock cycle comes, writing the high and low bits of the written data into the two 2R1W memories of one Bank memory unit respectively.
In one general aspect, a method can include receiving a video loop portion included in a video file and receiving an audio loop portion included in an audio file. The method can include analyzing at least a portion of the audio file based on a musical characteristic and identifying a plurality of segment locations within the audio file based on the analyzing where the plurality of segment locations define a plurality of audio segments of the audio file. The method can also include modifying the video loop portion based on one of the plurality of segment locations in the audio file.
A read error occurs when performing a read with a first read head. It is determined whether a second read head capable of use in a read-while-write operation runs within or outside of a first track. The second read head width defines a verified area on a track. If the second read head runs entirely within the first track, the first read head is positioned within the verified area. If the second read head runs partly outside of the first track, and a portion of the verified area within the first track is wider than the width of the first read head, the first read head is positioned within the portion of the verified area that is within the first track. If the portion is not wider, the first read head is positioned so that a side of the first read head is at a border the first track.
An auditory selection method based on a memory and attention model, including: step S1, encoding an original speech signal into a time-frequency matrix; step S2, encoding and transforming the time-frequency matrix to convert the matrix into a speech vector; step S3, using a long-term memory unit to store a speaker and a speech vector corresponding to the speaker; step S4, obtaining a speech vector corresponding to a target speaker, and separating a target speech from the original speech signal through an attention selection model. A storage device includes a plurality of programs stored in the storage device. The plurality of programs are configured to be loaded by a processor and execute the auditory selection method based on the memory and attention model. A processing unit includes the processor and the storage device.
Method, apparatus, and storage medium for voice imitation are provided. The voice imitation method, includes: separately obtaining a training voice of a source user and training voices of a plurality of imitation users including a target user; determining, according to the training voice of the source user and a training voice of the target user, a conversion rule for converting the training voice of the source user into the training voice of the target user; collecting voice information of the source user; and converting the voice information of the source user into an imitation voice of the target user according to the conversion rule.
An apparatus including: an input configured to receive from at least two microphones at least two audio signals; at least two processor instances configured to generate separate output audio signal tracks from the at least two audio signals from the at least two microphones; a file processor configured to link the at least two output audio signal tracks within a file structure.
Techniques related to a method and system of robust speaker recognition activation are described herein. Such techniques apply keyphrase detection and speaker recognition to a subsequent phrase after detecting a waking keyphrase.
Aspects of the technology described herein provide an efficient user interface that enables users to respond to tasks quickly by providing automated quick task notifications via an audio channel. An audio channel quick task system includes components for recognizing and extracting quick tasks from content (e.g., interpersonal communications, composed content, line of business (LOB) application documents), and for prioritizing and routing the quick tasks to the user via an audio channel at an appropriate and relevant time. The system is enabled to process a user response, determine an action for handling the quick task, and execute the action on behalf of the user (e.g., pass a reply to a requestor, pass an instruction to an application or service, queue the quick task notification, delegate the quick task to another user or bot, forward the quick task to a companion device, or launch an application on a companion device).
A projecting apparatus includes an image generating section configured to generate a masking-processed image by combining an input image and a mask drawing image including a mask region and a non-mask region and a projecting section configured to project the masking-processed image. The image generating section is at least capable of executing, on a first masking-processed image including a non-mask image corresponding to the non-mask region in a first projecting position, moving masking processing for generating a second masking-processed image obtained by moving the non-mask image from the first projecting position to a second projecting position or capable of executing, on a first masking-processed image including the non-mask image having a first dimension, enlarging or reducing masking processing for generating a second masking-processed image obtained by enlarging or reducing the non-mask image from the first dimension to a second dimension.
A method for display control and related products are provided. The method for display control is applicable to an electronic device including a notched screen and a circuit coupled with the notched screen. The notched screen has a first region and a second region. The method includes the following. Device color information near the first region is acquired. A target color-display adjustment parameter of the first region is determined according to the device color information. Display of the first region is controlled according to the target color-display adjustment parameter.
The present disclosure discloses a driving method of liquid crystal display panel which includes: dividing the pixels of the liquid crystal display panel into multiple pixel groups; each pixel group includes an even number of pixels matrix arranged; obtaining an average grayscale value of the blue sub-pixels of each sub-pixel group based on an image input signal; obtaining two sets of target grayscale value pairs based on the average grayscale value; each set of target grayscale value pairs includes a high and low grayscale value; the front viewing angle brightness of the high and low grayscale value is identical with that of the average grayscale value; obtaining the corresponding two sets of driving voltage pairs; and, driving the blue sub-pixels in the corresponding pixel group according to the two sets of driving voltage pairs. The present disclosure further discloses a liquid crystal display device.
A display panel, a manufacturing method thereof, and a display device are provided. The display panel has a display region and a non-display region, and includes a base substrate and a plurality of pixels arranged on the base substrate, in which the plurality of pixels includes a plurality of first pixels and a plurality of second pixels, the plurality of first pixels is arranged in an array in first arrangement region, the plurality of second pixels is arranged in a periphery of the first arrangement region, one part of each of the second pixels is in second arrangement region and the other part thereof is in third arrangement region, the first arrangement region and the second arrangement region is disposed in the display region, and the third arrangement region is disposed in the non-display region. The display uniformity is improved, and the display effect is enhanced.
An OLED display device capable of improving picture quality by turning off an OLED element regardless of a charging time and input data of each subpixel is discussed. A reference voltage supplied to a reference line is supplied to an OLED element during at least one OLED off time after a light-emitting time and before a charging time according to control of a scan gate line and a sense gate line to turn off the OLED element. The reference voltage is lower than a threshold voltage of the OLED element.
The present disclosure relates to a display device, a display substrate, a method and a device for display compensation. The method includes: before displaying an image, performing initial compensation on each of the pixel circuits to obtain an average reference voltage of the plurality of pixel circuits; controlling the display substrate to display an image and performing external compensation on each of the pixel circuits during a display duration of one frame of the image, obtaining a charging voltage on the sensing line of each of the pixel circuits during the external compensation, obtaining a first reference voltage of each of the pixel circuits according to the charging voltage on the sensing line and the average reference voltage, and performing internal compensation on each of the pixel circuits according to the first reference voltage.
A pixel circuit, a method for driving a pixel circuit and a display panel are provided. The pixel circuit includes a control sub-circuit, a shunt sub-circuit, a light emitting sub-circuit and a latch sub-circuit, where the control sub-circuit is configured to output to the latch sub-circuit a data signal from a data signal line in response to a scan signal from a scan signal line; the latch sub-circuit is configured to latch a first level signal and a second level signal in response to the data signal and the scan signal, and output the second level signal to light emitting sub-circuit in response to a switch signal from a switch signal line, to enable the light emitting sub-circuit to emit light; and the shunt sub-circuit is configured to shunt, in response to a control signal from a control signal line, the second level signal input to the light emitting sub-circuit, to adjust a light emitting brightness of the light emitting sub-circuit.
A display device includes a substrate including a first substrate layer which is flexible, a second substrate layer which is flexible, and a conductive layer between the first substrate layer and the second substrate layer, a display panel including a plurality of transistors disposed on the substrate, and a sensing portion configured to measure a resistance of the conductive layer.
A driving method of a display panel is provided. The display panel includes first signal lines, second signal lines, pixel structures, first signal line driving circuits, and second signal line driving circuits. The first signal line driving circuits divide the first signal lines into first signal line groups and sequentially enable the first signal lines of the first signal line groups. In one of the first signal line groups, when one first signal line adjacent to another first signal line group is enabled, the second signal line driving circuits provide a first data signal to each of the second signal lines; and when the rest of the first signal lines are enabled, the second signal line driving circuits provide a second data signal to each of the second signal lines. The first data signal and the second data signal have different waveforms to display a predetermined gray scale.
A self-illuminating display apparatus and a display frame compensation method thereof are provided. The self-illuminating display apparatus includes pixel units, a display driving circuit, and a compensation estimation circuit. The compensation estimation circuit converts a gray-level data matrix into an original data voltage matrix, and accumulates the received gray-level data matrix over time to obtain a cumulative gray-level matrix. The compensation estimation circuit determines a degree of luminance attenuation of the pixel units based on the cumulative gray-level matrix. The compensation estimation circuit generates a compensation voltage matrix according to the gray-level data matrix and the degree of luminance attenuation of the pixel units. The compensation estimation circuit generates a compensated data voltage matrix according to the original data voltage matrix and the compensation voltage matrix. The pixel units are driven by the display driving circuit according to the compensated data voltage matrix.
Provided is a display device. The display device includes a substrate including an active area in which a plurality of pixels is disposed and a non-active outside a periphery of the active area. A plurality of signal lines is disposed in parallel with one another and extend in a first direction in the non-active area. Each of the plurality of signal lines includes a first portion, a second portion, and a third portion which are sequentially connected to one another. The first and third portions extend in the first direction and are disposed in parallel with one another. Embodiments provided herein facilitate a reduction of electromagnetic interference between the display device and an external electronic device.
A source driver includes a first output pad, a second output pad, a first charge-sharing path, a second charge-sharing path, a first charge-sharing switch, a second charge-sharing switch and a test circuit. A first terminal and a second terminal of the first charge-sharing switch are respectively coupled to the first output pad and the first charge-sharing path. A first terminal and a second terminal of the second charge-sharing switch are respectively coupled to the second output pad and the second charge-sharing path. The test circuit is coupled to the first charge-sharing path and the second charge-sharing path. The test circuit performs a test for the first output pad and the second output pad via the first charge-sharing path, the second charge-sharing path, the first charge-sharing switch and the second charge-sharing switch in a test period.
A circuitry and a method for detecting a failed pixel, and a display device are provided. The circuitry for detecting the failed pixel includes a display control circuit and a failed pixel detection circuit. The display control circuit is connected to a pixel driving circuit, and configured to control, at detection voltage write-in stage and failed pixel detection stage, the pixel driving circuit to cause light-emitting element not to emit light. The failed pixel detection circuit is connected to first electrode of the light-emitting element via failure sense line, and configured to apply a reference voltage to the first electrode of the light-emitting element via the failure sense line at the detection voltage write-in stage, detect a potential at the first electrode of the light-emitting element at the failed pixel detection stage, and determine, in accordance with the potential, whether the pixel circuit is failed.
A display apparatus includes: a plurality of display units that are two-dimensionally arranged; a supporting member that supports the plurality of display units; and an elastic member that partially couples the supporting member and each of some or all of the plurality of display units.
A medical guidance system providing real-time, three-dimensional (3D) augmented reality (AR) feedback guidance to a novice user of medical equipment having limited medical training, to achieve improved diagnostic or treatment outcomes.
A construction site status monitoring device is provided including processing circuitry configured to receive teaching data from a construction device in a teaching mode based on an operator performing an operation with the construction device and generate an operation profile based on the teaching data for execution by one or more construction devices. The operation profile defines parameters associated with the operation to enable one or more construction devices to repeat the operation in an operate mode.
Methods and apparatus for providing educational and/or other information to a user of a user device, in response to the receipt of one or more wireless signals, are described. Educational information is loaded into a user device along with information on locations where the information can be accessed and/or suggestions on how to position the user device to obtain access to the stored information and/or capture an image to be used in a virtual reality experience in which stored educational content is presented. Short range wireless signals are transmitted in an area corresponding to a device or apparatus to which training or other education information relates. Receipt of one or more wireless signals trigger access on a user's communications device to training information, operational information or other information such a service information relating to the apparatus or device associated with the short range wireless signal which is received.
A vehicle computer includes a memory and a processor programmed to execute instructions stored in the memory. The instructions include determining whether to operate a host vehicle in a mini-platoon based at least in part on at least one of a powertrain type and emissions of at least one of a plurality of nearby vehicles.
Systems and methods for controlling an autonomous vehicle to assist another autonomous vehicle are provided. In one example embodiment, a computer-implemented method includes obtaining data representing a vehicle route of a first autonomous vehicle, wherein the first autonomous vehicle travels along the vehicle route from a first location to a second location. The method includes obtaining data representing an occlusion point that affects an operation of the first autonomous vehicle along the vehicle route. The method includes selecting a second autonomous vehicle, based at least in part on (i) the vehicle route and (ii) the occlusion point, to assist the first autonomous vehicle. The method includes deploying the second autonomous vehicle to assist the first autonomous vehicle to travel along the vehicle route.
An online shopping concierge system identifies a set of delivery orders and a set of delivery agents associated with a location. The system allocates the orders among the agents, each agent being allocated at least one order. The system obtains agent progress data describing travel progress of the agents to the location, and order preparation progress data describing progress of preparing the orders for delivery. The system periodically updates the allocation of the orders among the agents based on the agent progress data and the order preparation progress data. This involves re-allocating at least one order to a different delivery agent. When a first agent arrives at the location, the system assigns to the first agent the orders allocated to the first agent. The system then removes the first agent from the set of available delivery agents, and removes the assigned delivery orders from the set of delivery orders.
A parking support apparatus for a vehicle may include: a detector configured to detect a distance between a vehicle and an object; a parking space recognizer configured to recognize a parking space based on a first distance detected through the detection unit, and generate first parking space recognition information; a parking controller configured to generate second parking space recognition information corresponding to the first parking space recognition information based on a second distance detected through the detection unit, while controlling parking of the vehicle; an error calculator and statistics analyzer configured to calculate errors between the first and second parking space recognition information, and statistically analyze the calculated errors; and a compensation parameter calculator configured to calculate a compensation parameter for compensating for one or more of the first distance and the first parking space recognition information, based on the errors.
A vehicle operation management system includes a communication terminal and a plurality of vehicles that communicates with the terminal, and is capable of autonomously driving. The vehicles include a first vehicle and a second vehicle. In a boarding area, when the first vehicle is at a leading portion in a file, the second vehicle is at a next position in the file, and one boarding request is made from the terminal, the first notification unit in the first vehicle notifies that the first vehicle is available for boarding, and the second notification unit in the second vehicle does not notify that the second vehicle is available for boarding. When the first vehicle is at the leading portion and the second vehicle is located at the nest position, and at least two boarding requests are made, the first and second notification units notify that the first and second vehicles, respectively, are available for boarding.
The present application at least describes an apparatus for managing traffic. The apparatus includes a display including a graphical user interface. The apparatus also includes a non-transitory memory including information for managing traffic and a processor operably coupled to the display and memory, and configured to execute an instruction of receiving, via the graphical user interface, a request from a buyer to purchase a right of way from an entity at a traffic location. Another instruction includes reviewing, via gps, a location or route of the buyer in relation to the traffic location. Yet another instruction includes reviewing, via gps, a location or route of the entity in relation to the traffic location. Yet even another instruction includes determining, based upon the reviewed locations of the buyer and the entity, whether to send the buyer request to the entity; and sending, based upon the determination, the request to the entity.
A wireless control device includes a power source, one or more sensors, one or more switches, a wireless transceiver circuit, an antenna connected to the wireless transceiver circuit, and a processor communicably coupled to the power source, the one or more sensors, the one or more switches, and the wireless transceiver circuit. The processor receives a data from the one or more sensors or the one or more switches, determines a pre-defined action associated with the data that identifies one or more external devices and one or more tasks, and transmits one or more control signals via the wireless transceiver circuit and the antenna that instruct the identified external device(s) to perform the identified task(s).
A device for detecting a being left within a vehicle includes a sensor that detects when a being (e.g. a pet, a child, etc.) is within a vehicle and the operator of the vehicle has moved away from the vehicle by more than, for example five feet. Upon detection of such, the device emits a sound to notify others nearby of the being that was left within the vehicle. The sound is preferably different than a sound of a typical vehicle theft alarm system. In a preferred embodiment, determination that the operator has left the vehicle is by a loss of a signal from a personal transmitter that is attached to the operator's key ring or worn by the operator. After moving away from the vehicle by more than five feet, the signal from the personal transmitter decreases and initiates determination if a being remains within the vehicle.
A device, a process and a computer program for a medical device, which is arranged in a first room, includes the monitoring (12) of sensor signals of a patient receiving medical care. An alarm situation is detected (14) based on the sensor signals and the provision (16) of an alarm signal when an alarm situation is present. The process (10) further includes waiting (18) for a predefined time period, the outputting (20) of a control signal if no confirmation signal was received for the alarm signal during the predefined time period, and the provision (22) of information on the alarm situation in a second room based on the control signal.
In a gaming machine for playing a base game having a feature game with multiple levels: receiving a wager from a player for playing four instances of the base game, where the wager is deducted from a credit balance established by the player. Symbols for each of the four instances of the base game may be selected and displayed, where each instance displays the selected plurality of symbols in a matrix of display positions. The feature game may be initiated when the selected plurality of symbols includes a feature game trigger, where the feature game comprises a plurality of free plays of a number of instances of the base game based on a level of the feature game as determined by the feature game trigger, and the number of instances is one if the level is normal, four if the level is super, and eight if the level is extreme.
The present disclosure describes methods and systems directed towards creation of winner tournaments. Instead of using traditional tournament bracket structures which establish pre-set match-ups between participating players in a tournament at an e-sport event, the present disclosure broadens the scope of participants who may be eligible to also participate within the same tournament but who may not initially be attending the e-sport event. With the e-sport competitive scene, not only do professionals compete against each other during a live e-sport event but remote users remotely viewing the e-sport event can also be introduced into the tournament structure as well. These remote users can be introduced into the live e-sport event for the purpose of also competing against competitive players as well as being introduced as an exhibition match with the professionals (e.g. fans of the professionals selected based on social media). Therefore, the systems and methods would select and facilitate eligible remote users to compete with the professionals even if the remote user is not at the live e-sport event venue.
A method, system, and device for managing electronic records is provided. As an example, a method is provided that comprises receiving a message that comprises a data payload, where the data payload comprises a physical ticket identification (PID) number representing a substantially unique identifier assigned to a physical ticket, a timestamp associated with a time at which the physical ticket was produced, an event identification (EID) number representing an event on which a wager has been placed, and a wager description field that describes both a wager type and a wager amount associated with the wager. The method further comprises comparing the PID number with an electronic record comprising a list of PID numbers already stored in memory, and causing the data payload to be stored in memory in response to determining that the electronic record comprising the list of PID numbers does not comprise the PID number.
The present invention relates to a game system allowing at least one prize money value to correspond to at least one optional betting option respectively. After a player bets on the at least one optional betting option, the at least one prize money value corresponding to the at least one optional betting option that has been betted may be activated, such that the player has an opportunity to obtain the at least one prize money value that has been activated. Therefore, the game system of the present invention can induce the player to bet on the optional betting option by virtue of the presence and display of the prize money values, as well as the player's desire to obtain the prize money values, thereby increasing the willingness of the player to raise bets and the revenue of the game system.
A game machine includes a table display defining a first portion on which a community game is displayed and second portions on which a wagering game is displayed to player stations. An outcome is displayed on the second portions. An entry into the community game is awarded to the player station in response to a first triggering event. The entry is applied to a game element of the community game in association with the player station, which persists with the game element for a plurality of plays of the community game. Responsive to a second triggering event, a play of the community game is conducted and an award is awarded to any player station having an entry applied to a game element in the community game responsive to an outcome of a play of the community game that is associated with the game element to which the entry is applied.
In some embodiments, a computer-implemented method includes: detecting a plurality of wagering game machines in proximity to the mobile phone, and selecting a first of the plurality of wagering game machines with which to establish a connection. The method can also include requesting the connection with the first of the plurality of wagering game machines, and transmitting, from the mobile phone to the first of the plurality of wagering game machines, player account information for configuring a wagering game. The method can also include receiving, from the first of the plurality of wagering game machines, content indicating a result of the wagering game, and presenting, on the mobile phone, the result of the wagering game.
An electronic voting system includes a terminal, authentication servers, and voting servers. Each authentication server includes an authentication processor that authenticates a voter using authentication data, and a first synchronizer that synchronizes a first blockchain including first transaction data with at least one other authentication server. The authentication data including a first identifier and authentication information. Each voting server includes a voting processor that receives voting data including a second identifier and voting information, and a second synchronizer that synchronizes a second blockchain including the voting information as second transaction data with at least one other voting server. Each voting server further includes a block generator that connects a block including the second transaction data to the second blockchain, and a determiner that determines the block to include the second transaction data. The terminal transmits the authentication data to at least one other authentication server and transmits the voting data to one of the voting servers after authentication.
A locking and unlocking control system includes: a first information acquisition part configured to acquire presence information as to whether a parcel associated with a first user is present in a predetermined region defined in a vehicle or a facility, the predetermined region having a door configured to be locked and unlocked through a locking and unlocking process performed by a locking and unlocking control device; and a locking and unlocking control part configured to execute a predetermined process so as not to permit unlocking of the door by a second user when the locking and unlocking control part determines based on the presence information that the parcel is present in the predetermined region and when the door is locked.
Vehicle event data playback systems described herein may provide users means for reviewing events recorded by a vehicle event recorder. Circumstances relating to vehicle operation may be visually presented in these playback systems. Video playback from multiple recording devices may be synchronized with each other and/or with information related to the operation of the vehicle during the recorded events to affect a presentation of information related to operation of the vehicle. A user may be presented with many data types in graphical and/or intuitive arrangements.
This disclosure relates to a system and method for detecting vehicle events. The system includes sensors configured to generate output signals conveying information related to the vehicle. The system detects a vehicle event based on the information conveyed by the output signals. The system selects a subset of sensors based on the detected vehicle event. The system captures and records information from the selected subset of sensors. The system transfers the recorded information to a remote server or provider.
Systems and methods may be configured for engine analysis and diagnostics. The system may include a computer including a hardware processor, memory and a user interface. The hardware processor may be in communication with the memory and user interface. The hardware processor may provide operations including to receive engine parameters including at least two of real-time information, analytics information and historical information according to a predefined cylinder configuration of an engine; extract a plurality of frequency ranges from the engine parameters according to the predefined cylinder configuration; compare the at least two of real-time information, analytics information and historical information; and display issue indicators on respective engine regions of an engine diagram having the predefined cylinder configuration and that are associated with engine issues corresponding to respective thresholds for the at least two of real-time information, analytics information and historical information of the plurality of engine parameter sources.
This disclosure relates to a system configured to generate and provide timely vehicle event information for a fleet of vehicles including at least a first vehicle. Individual vehicles detect vehicle events and transmit related information to a remote computing server. The remote computing server determines whether the detected vehicles events are relevant to add to a set of vehicle events scenarios. For example, if a particular vehicle event is duplicative of a previous vehicle event, if may not need to be added. The newest vehicles events may be reported at certain intervals, in particular if they are indicative of a trend.
According one embodiment, there is provided a drawing method, that comprises: when at least part of a first surface and at least part of a second surface are practically congruent to each other in a three-dimensional coordinate system, assigning each of a first drawing pattern related to the first surface and a second drawing pattern related to the second surface to any one of more than one unit drawing area forming the at least part of the first surface or the at least part of the second surface, drawing the more than one unit drawing area by using the first drawing pattern and the second drawing pattern each assigned to any one of the more than one unit drawing area, and thereby drawing the at least part of the first surface or the second surface.
An augmented reality system for an amusement ride includes a guest-tracking sensor configured to determine a position of a guest, a projector configured to project imagery, a semi-transparent mirror configured to reflect the imagery as augmented reality imagery, and a controller including a processor and a memory. The controller is configured to receive a sensor signal indicative of the position of the guest from the guest-tracking sensor, generate image data based on the position of the guest, and output a control signal indicative of the image data to the projector. The projector is configured to project the imagery based on the control signal indicative of the image data.
This disclosure presents systems and methods to provide a shared augmented reality experience across multiple presentation devices. A first presentation device may display an AR marker, and may use a map of the physical environment to correctly orient the AR marker with an orientation of an anchor object. A second presentation device may then scan the marker, which places the anchor object in the position and orientation in their perceived views of the virtual environment in accordance with the marker. Once the location of the anchor object is established, networking between the first and second devices can be used to place other virtual objects in the virtual environment.
One embodiment provides a method, including: displaying, using at least one processor, augmented reality content; determining, using a processor, a context associated with a user; and adjusting, based on the context and without additional user input, at least one characteristic of the augmented reality content. Other aspects are described and claimed.
Given a parcel of land that is regulated by city zoning rules, the system and method described uses a combination of rule based coded and machine learning to parametrically create geometry for the maximum or optimal buildable envelope with the least amount of regulation.
A virtual Reality (VR)-based apparatus that includes a depth sensor that captures a plurality of depth values of a first human subject from a single viewpoint and a modeling circuitry that detects a set of visible vertices and a set of occluded vertices from a plurality of vertices of the first 3D human body model rendered on a display screen. The modeling circuitry determines a set of occluded joints and a set of visible joints from a plurality of joints of a skeleton of the first 3D human body model in the rendered state. The modeling circuitry updates a rotation angle and a rotation axis of the determined set of occluded joints to a defined default value in the skeleton and thereafter, re-renders the first 3D human body model as a reconstructed 3D human model of the first human subject on the display screen.
Computer based methods are provided for displaying an image or video. The methods are usable for displaying a virtual space to a viewer of a video, where the video was originally generated using a virtual environment. For example, when a streamer streams gameplay of a video game that occurs in a virtual environment, the method allows such a video streamed to be presented to a third-party viewer, such as a stream viewer, as a virtual environment.
A method acquires a reconstructed tomographic volume image of anatomy of a patient and constructs a primary axis for a bone of interest in the imaged anatomy. The method forms a sectioned image of the bone in the volume image according to a first plane that is defined to extend along the bone and to extend through two or more articular surfaces. A primary axis for the bone is estimated, wherein the primary axis is midway between outer edges of the bone image that intersect the first sectioning plane. The bone is sectioned in the volume image by a second plane that is orthogonal to the first plane and that extends through the estimated primary axis. The method recalculates the position of the constructed primary axis according to the sectioning of the bone by the second plane. The recalculated constructed primary axis for the bone of interest is displayed.
A machine can be specially configured to generate one or more atlases that include two-dimensional texture maps and their corresponding UV maps from a three-dimensional object, compress the atlases, decompress the atlases, store the atlases, access the atlases, communicate the atlases, apply the texture maps from the atlases to a three-dimensional model, or otherwise process the atlases, the texture maps, the UV maps, or any suitable combination thereof. The atlases, texture maps, UV maps, or any suitable combination thereof can be generated, compiled or otherwise created by the machine in a manner that is computationally efficient to compress and decompress using video compression and decompression techniques.
A gaming device is configured to provide virtual hybrid texture mapping, which provides a type of virtual placeholder that can be filled in using cloud computing resources. The virtual placeholders are filled in to create more detailed textures whose calculated are offloaded to a cloud computing service provider data center's cluster.
Provided is a method of visualizing a plurality of nodes respectively including a plurality of variable values for a data object. The method includes: allocating a predetermined upper limit value and a predetermined lower limit value for each of a plurality of variables to vertices of a three-dimensional polygon facing each other; respectively determining partial positions related to the variables for the nodes based on the upper limit value and the lower limit value for each of the variables, a maximum variable value and a minimum variable value for each variable from among variable values of the nodes, and the variable values of the nodes; respectively determining final positions of the nodes in the three-dimensional polygon based on the determined partial positions; and arranging the nodes in the three-dimensional polygon according to the determined final positions.
Techniques related to estimating accurate face shape and texture from an image having a representation of a human face are discussed. Such techniques may include determining shape parameters that optimize a linear spatial cost model based on 2D landmarks, 3D landmarks, and camera and pose parameters, determining texture parameters that optimize a linear texture estimation cost model, and refining the shape parameters by optimizing a nonlinear pixel intensity cost function.
Systems and methods for automatically animating a character based on an existing corpus of animation are described. The character may be from a previously produced feature animated film, and the data used for training may be the data used to animate the character in the film. A low-dimensional embedding for subsets of the existing animation corresponding to different semantic labels may be learned by mapping high-dimensional rig control parameters to a latent space. A particle model may be used to move within the latent space, thereby generating novel animations corresponding to the space's semantic label, such as a pose. Bridges may link a first pose of a first model within the latent space that is similar to a second pose of a second model of the space. Animations corresponding to transitions between semantic labels may be generated by creating animation paths that traverse a bridge from one model into another.
An electronic device is provided. The electronic device includes a memory storing spherical content, at least a portion of which is provided in the shape of at least a portion of a sphere with respect to a central point of an image, a display configured to output the spherical content, and a processor configured to be electrically connected with the memory and the display. The processor is configured to arrange a specified patch image on a central point of the spherical content when outputting the spherical content on the display. In addition, various embodiments ascertained through the specification are possible.
Techniques for selecting an anomaly based on a context are disclosed. A set of metrics corresponding to communications with nodes of a computer system are identified. A set of insights are generated based on the set of metrics. A context for determining a primary anomaly is determined. A subset of metrics associated with the context are identified. A subset of insights that are generated based on the subset of metrics are identified. An insight is selected from the subset of insights as the primary anomaly. A visualization associated with the primary anomaly is presented at a user interface. One or more secondary anomalies may be concurrently presented with the visualization. Additionally, the primary anomaly, the selected visualization, and/or the secondary anomaly is used to determine a new context for selecting another primary anomaly. Hence, a series of primary anomalies may be selected, each primary anomaly being related to each other.
An automatic medical image processing system includes a series of operation stages, each automating specifying the image processing parameters for processing medical images. In response to an image processing indicator, a first medical image is automatically identified, including determining a first image operation and image processing parameters, without user intervention. The first image operation is performed on the first medical image based on the image processing parameters. A second medical image is generated and transmitted to the client device to be presented therein. The client device displays a message prompting the user whether the user is satisfied with the second medical image. In response to a user input from the client device indicating that the user is unsatisfied with the second medical image, one or more remedial options are presented to allow the user selecting a remedial action to reprocess the first medical image.
Systems and methods for magnetic resonance imaging (MRI) are provided. The systems may obtain a sampling pattern associated with an image sequence. The sampling pattern may be associated with a plurality of phase encoding gradient field values. The systems may also obtain k-space data associated with the image sequence using the sampling pattern. The systems may further reconstruct the image sequence based on the k-space data. The sampling pattern may include a plurality of sampling points. Each of the plurality of sampling points may denote a k-space line associated with the k-space data. Each of the plurality of phase encoding gradient field values may correspond to one single sampling point during a time period associated with at least two consecutive images in the image sequence.
An image information overlay system retrieves an image associated with a vehicle listing and uses machine learning models to classify the image, generating identification data that may comprise a vehicle make and model, a feature or part of the vehicle present in the image, and a location of the vehicle feature or part. The identification data or an individual identifier of the vehicle, such as a Vehicle Identification Number (VIN), may be used to retrieve overlay information related to the vehicle make and model, such as recalls or known maintenance issues or information specific to the vehicle, such as mileage, accident reports, or ownership history. The overlay information is displayed on the image as an overlay at the location of the vehicle feature or part corresponding to the overlay information.
Sensors coupled to a vehicle are calibrated using a dynamic scene with sensor targets around a motorized turntable that rotates the vehicle to different orientations. The sensors capture data at each vehicle orientation along the rotation. The vehicle's computer identifies representations of the sensor targets within the data captured by the sensors, and calibrates the sensor based on these representations, for example by comparing these representations to previously stored information about the sensor targets and generating a correction based on differences, the correction applied to post-calibration sensor data.
Methods and apparatus are disclosed for concealed fiducial markers for vehicle camera calibration. An example vehicle includes a frame, at least one panel coupled to the frame, and fiducial markers arranged in a predefined grid. The fiducial markers are configured to be detectable by a camera and concealed from observation by the human eye. The predefined grid of the fiducial markers is arranged to facilitate calibration of the thermal camera.
The present invention discloses a method which comprises the following steps: inputting the image waiting for test and the template; log-polar transforming the image waiting for test; performing feature extraction on transformed image object; capturing an image feature; achieving a response map of scale and rotation of the image object corresponding to a template through a phase correlation by using features extracted from the image features; calculating a relative displacement by using a response value and coordinates of the response value in a surround area of a maximum value of the response pattern; calculating the scale and the rotation of an object in the image waiting for test corresponding to the template through the relative displacement. The present invention adopts the log-polar space as the image operating space to estimate the change in size and rotation of the object and provide a fast and robust select for upper applications.
A system for locating a mobile container within a facility comprises an optical sensor system with an optical sensor fixed to a frame of the container. The optical sensor is pointed away from the container in a direction facing a region of the facility (e.g., ceiling or floor) where one or more distinctive physical features are expected to be found. Each distinctive physical feature of the facility is associated with a location in the facility. The optical sensor is adapted to capture an image of that region of the facility. A computing system includes a processor configured to receive the image from the optical sensor, to determine that a physical feature found in the image matches one of the distinctive physical features of the facility, and to identify the container as being at the location in the facility associated with the matching distinctive physical feature.
A stereo matching method includes extracting feature points of a first image and feature points of a second image, the first image and the second image together constituting a stereo image, determining reference points by matching the feature points of the second image to the feature points of the first image, classifying the reference points, and performing stereo matching on pixels of which disparities are not determined in the first image and the second image based on disparities of the reference points in the pixels determined based on a result of the classifying.
Apparatus and associated methods relate to ranging an object nearby an aircraft by triangulation using two simultaneously-captured images of the object. The two images are simultaneously captured from two distinct vantage points on the aircraft. Because the two images are captured from distinct vantage points, the object can be imaged at different pixel-coordinate locations in the two images. The two images are correlated with one another so as to determine the pixel-coordinate locations corresponding to the object. Range to the object is calculated based on the determined pixel-coordinate locations and the two vantage points from which the two images are captured. Only a subset of each image is used for the correlation. The subset used for correlation includes pixel data from pixels upon which spatially-patterned light that is projected onto the object by a light projector and reflected by the object.
Methods and systems are provided for performing material capture to determine properties of an imaged surface. A plurality of images can be received depicting a material surface. The plurality of images can be calibrated to align corresponding pixels of the images and determine reflectance information for at least a portion of the aligned pixels. After calibration, a set of reference materials from a material library can be selected using the calibrated images. The set of reference materials can be used to determine a material model that accurately represents properties of the material surface.
The present disclosure discloses an image processing method, apparatus, and a non-transitory computer readable medium. The method can includes: acquiring a three-dimensional (3D) model and original texture images of an object, wherein the original texture images are acquired by an imaging device; determining a mapping relationship between the 3D model and the original texture images of the object; determining, among the original texture images, a subset of texture images associated with a first perspective of the imaging device; splicing the subset of texture images into a spliced texture image corresponding to the first perspective; and mapping the spliced texture image to the 3D model according to the mapping relationship.
A method and system for 3D/3D medical image registration. A digitally reconstructed radiograph (DRR) is rendered from a 3D medical volume based on current transformation parameters. A trained multi-agent deep neural network (DNN) is applied to a plurality of regions of interest (ROIs) in the DRR and a 2D medical image. The trained multi-agent DNN applies a respective agent to each ROI to calculate a respective set of action-values from each ROI. A maximum action-value and a proposed action associated with the maximum action value are determined for each agent. A subset of agents is selected based on the maximum action-values determined for the agents. The proposed actions determined for the selected subset of agents are aggregated to determine an optimal adjustment to the transformation parameters and the transformation parameters are adjusted by the determined optimal adjustment. The 3D medical volume is registered to the 2D medical image using final transformation parameters resulting from a plurality of iterations.
The present invention relates to a device, system and method for skin detection. To enable a reliable, accurate and fast detection the proposed device comprises an input interface (30) for obtaining image data of a scene, said image data comprising a time sequence of image frames, an extraction unit (31) for extracting a photoplethysmography (PPG) signal from a region of interest of said image data, a transformation unit (32) for transforming said PPG signal into a spectral signal, a sorting unit (33) for sorting said spectral signal to obtain a sorted spectral signal representing a descriptor, and a classifier (34) for classifying said region of interest as skin region of a living being or as non-skin region based on the descriptor.
An apparatus for classifying a defect generated in a substrate, includes: a first storage part for storing a first image data for defect classification determination, which includes a defect region in which the defect is generated and a surrounding region of the defect region; a first estimation part for estimating a first type of defect by using a deep learning system, based on the first image data; a second storage part for storing a second image data for defect classification estimation, which is obtained by expressing the defect region and the surrounding region by a binarized data; a second estimation part for estimating a second type of defect by using a rule-based system, based on an attribute of the defect region extracted from the second image data; and a comprehensive determination part for comprehensively determining a type of defect based on the first and second types of defects.
A high-precision intelligent detection method for bridge diseases based on spatial position. The method comprising: collecting images based on the high-definition image acquisition system; importing the image data and position information data into image processing software to create a mosaic image of each part of the bridge; importing the prepared spliced image map into the bridge disease intelligent identification system; obtaining the corresponding position and bridge of the bridge disease in the three-dimensional model of the bridge; identifying the stitched image map to obtain the size of the disease after identifying the bridge disease image and locating the bridge disease. The high-precision intelligent detection method for bridge diseases based on spatial position realizes automatic collection and intelligent analysis of bridge inspection data, reduces the workload of the inspection technicians and improves the detection efficiency.
Apparatuses, systems, methods, and computer program products are presented for a propensity module based optimization. A mobile computing device comprises one or more of a camera, a network interface, and an optimization module. An optimization module is configured to process one or more images from a camera using machine learning to determine a likelihood that the one or more images will pass submission to a pass/fail interface over a network interface. An optimization module is configured to submit one or more images to a pass/fail interface over a network interface in response to a likelihood satisfying a threshold.
A method of combining content from multiple frames with overlapping field of views is described. The method comprises identifying corresponding blocks between a first frame and a second frame of an image; and determining whether to replace at least a portion of the first frame with a corresponding portion of the second frame based on whether there is a match between the first frame and the second frame.
Systems and method to increase blurriness of visual content may be based on user control, field-of-view, and/or changes in field-of-view. By adding or increasing blurriness at the periphery of the field-of-view, more attention may be drawn to unblurred sections.