Abstract:
A voltage compensation pixel circuit includes a driving transistor coupled to the light emitting element between a high potential power line and a low potential power line to drive the light emitting element in response to a predetermined voltage applied to a gate, switching transistor including a first switching transistor being switched in response to a voltage of a first gate signal, a second switching transistor and a third switching transistor being switched in response to a voltage of a third gate signal, and a fourth switching transistor being switched in response to a voltage of a second gate signal, a storage capacitor coupled between a first node and a second node, and a setup transistor coupled between the light emitting element and the driving transistor and operated by the driving transistor. The first node is coupled to the driving transistor. The second node is coupled between the second switching transistor and the fourth switching transistor.
Abstract:
A method and a gateway for extending a network are disclosed. A method by which a gateway extends an EtherCAT network to a wireless network according to an embodiment of the invention includes: receiving first data from the EtherCAT network and converting the first data by a protocol conversion to second data suitable for the wireless network, and transmitting the converted second data to the wireless network, where the transmitting of the converted second data may include reducing the difference in communication speed between the EtherCAT network and the wireless network by using an internal buffer.
Abstract:
A method and a system for supporting mobility of a mobile terminal in a distributed mobile network based on a SDN are disclosed. A method of supporting a fast handover of a mobile terminal in a node-B (eNB) includes the steps of: receiving a handover initiation message from the mobile terminal, the handover initiation message including identification information and signal strength of a target eNB; determining whether or not for a fast handover trigger using the signal strength of the target eNB and movement history of the mobile terminal previously stored; and when it is determined as the fast handover trigger, transmitting a handover request message and a rule for the handover to the target eNB by using the identification information of the target eNB.
Abstract:
Provided herein are a multi smartphone and a method of controlling the same. The multi smartphone includes a display part configured to output a screen when an input signal is sensed; a memory part configured to store a plurality of operating systems (OSs) which are operated differently based on a time at which the input signal is sensed, a place at which the input signal is input, or a user who inputs the input signal; and a control part configured to perform control such that at least one OS of the plurality of OSs is selected and operated based on any one of a time at which the input signal is sensed, the place at which the input signal is input, and the user who inputs the input signal when the input signal is sensed.
Abstract:
A multiple battery charger is provided. The multiple battery charger includes an input unit configured to receive or block power from a power supply unit, an output unit including a plurality of output terminals, wherein the plurality of output terminals are commonly connected to the input unit and charge a plurality of batteries, and wherein each of the plurality of output terminals includes at least one of a plurality of second switches for a selective receipt of the power from the input unit and the plurality of output terminals are controlled in a time division multiple control manner, and a switching control unit configured to transmit a pulse width modulation signal to the input unit and the output unit so as to independently control the power applied to the plurality of batteries. Accordingly, a plurality of different kinds of batteries and the same kind of batteries in which charge states are different can be simultaneously charged.
Abstract:
A master device for calculating a synchronized actuation time for an N number of slave devices (N being an integer greater than or equal to 2) includes: a transmitting part configured to transmit a request message a K number of times (K being an integer greater than or equal to 2) to each of the N number of slave devices, where the request message includes an actuation command; a receiving part configured to receive a reply message from each of the N number of slave devices, where the reply message includes information on a K number of end-to-end delay times; and an absolute-time calculating part configured to calculate an absolute time for concurrently actuating the N number of slave devices by using the information on the K number of end-to-end delay times received from each of the N number of slave devices.
Abstract:
A method and system for supporting the mobility of a mobile terminal in a software-defined network are disclosed. A method for supporting the mobility of a mobile terminal in a software-defined network according to an embodiment of the invention can include: routing a data packet of the mobile terminal to an authority switch serving as an anchor within a first partition, said routing performed by a switch by referencing a flow table; and setting a data path to an authority switch of a second partition, which is the partition containing the destination of the data packet, based on a rule provided by a controller and transmitting the data packet to a destination, said setting and transmitting performed by the authority switch of the first partition.
Abstract:
A data processing method, apparatus, and computer program product for performing a similarity comparison between software programs are provided. An aspect of the invention provides a data processing method for performing a similarity comparison between two programs, where the data processing method includes: (a) extracting API names from each program and converting the API names to unique text sequences of a particular byte; (b) establishing a frequency table by counting a frequency of the extracted API names; (c) recording the API names converted into the unique text sequences in a log file in the order of extraction; and (d) saving the frequency table as a file and compressing the log file.
Abstract:
An image processing system and method is provided. The image processing system includes extracting a first local statistical characteristics from an observed image, generating a low-pass filter according to the first local statistical characteristics to generate a predicted noise image, and extracting second local statistical characteristics from the predicted noise image, extracting a third local statistical characteristics from a predicted original image using the first local statistical characteristics of the observed image and the second local statistical characteristics of the predicted noise image, and setting a flag level indicating a noise level for each pixel of the observed image according to the third local statistical characteristics of the predicted original image to detect noise, and setting a filter coefficient according to the flag level of the detected noise to remove the noise, and restoring the observed image.
Abstract:
A method for operating an invisible system service on Android platform is disclosed. The method for operating system services on Android platform includes selectively registering a created system service in a context manager according to a type of the created system service, where the type of the system service comprises a first type for permitting access from an outside and a second type for not permitting access from the outside, and the selectively registering comprises registering in the context manager the created system service belonging to the first type and not registering in the context manager the created system service belonging to the second type.