摘要:
The present specification provides a method by which a wireless power receiver transmits support information in a wireless power transmission system, and a device, the method comprising: entering a configuration phase with a wireless power transmitter; and transmitting support information to the wireless power transmitter in the configuration phase, wherein the support information includes information related to a power transfer protocol supported by means of the wireless power receiver.
摘要:
There is disclosed an electronic device having a function for sensing 2D and 3D touch which includes a display unit; a bezel frame unit configured to surround an edge area of the display unit; a plurality of light emitting units arranged in the bezel frame unit, spaced apart a first distance from each other; a plurality of light receiving units arranged in the bezel frame unit, spaced apart a second distance from each other; a light isolation unit located in a direction in which the light emitted from the light emitting units travels, the light isolation unit configured to isolate a first light for sensing 2D touch and a second light for sensing 3D touch from the lights incident thereon from the light emitting units; a driving control unit configured to sequentially operate the plurality of the light emitting units based on a preset time period; and a motion recognition unit configured to calculate a horizontal coordinate by detecting and compensating the quantity of the first light, to calculate a spatial coordinate by detecting the quantity of the second light reflected from a preset pointer, to extract a motion of the pointer based on the detected quantity of the light and to implement an operation corresponding to the extracted motion.
摘要:
The present disclosure provides a wireless power transmission method performed by a wireless power transmitter in a wireless power transmission system, and an apparatus using same, the method comprising: in a setup phase, receiving a setup packet from a wireless power receiver, wherein the setup packet related to the wireless power receiver includes information about whether a function for out-of-band communication is supported; in a negotiation phase, transmitting a capability packet to the wireless power receiver, wherein the capability packet related to the wireless power transmitter includes information about whether a function for the out-of-band communication is supported; and in the negotiation phase, receiving a first specific request (SRQ) packet related to an end of the negotiation phase from the wireless power receiver, and transmitting ACK for the first SRQ packet to the wireless power receiver, wherein the wireless power transmitter starts a connection to the out-of-band communication on the basis of transmission of the ACK for the first SRQ packet.
摘要:
The present disclosure provides a method, performed by a wireless power transmitter, for transmitting wireless power in a wireless power transmission system, and an apparatus using same, the method comprising: receiving, from at least one wireless power transmitter, a configuration packet notifying the availability of out of band (OB) in a configuration phase; transmitting, to the at least one wireless power receiver, a capability packet notifying the availability of the OB in a negotiation phase; and establishing a Bluetooth low energy (BLE) connection with the at least one wireless power receiver on the basis of the configuration packet and the capability packet, wherein the BLE connection is a connection based on a BLE isochronous (ISO) channel, and through the BLE connection, the at least one wireless power transmitter exchanges at least one piece of power control data with the at least one wireless power receiver in at least one sub-event included in an interval of the BLE ISO channel.
摘要:
The present application relates to a method of transmitting a wireless power data packet, performed by a wireless power transmission device. The method is characterized in that on the basis of a wireless power encryption key, the wireless power data packet including integrity information and encrypted data is generated, wherein the encrypted data is data in which time information and a wireless power parameter are encrypted, the wireless power data packet is transmitted to a wireless power reception device, the integrity information is information used to verify validity of the wireless power data packet, and the time information is information indicating a time section in which the wireless power data packet is valid.
摘要:
The present disclosure provides: a method by which a wireless power transmitter transmits wireless power to a wireless power receiver in a wireless power transmission system; and a device using same, the method comprising: entering a power transmission phase related to the transmission of the wireless power; receiving, from the wireless power receiver, a first application message in the power transmission phase; and transmitting, to the wireless power receiver, a second application message, which is a response to the first application message in the power transmission phase, wherein the wireless power transmitter initiates the transmission of the second application message within a specific time period, and the start point of the specific time period is the end point of the first application message.
摘要:
The present disclosure provides a method for transmitting wireless power, performed by a wireless power transmitter, in a wireless power transmission system, and a device using same, the method comprising: entering a power transmission phase associated with transmitting the wireless power to a wireless power receiver; generating a slot in the power transmission phase; and performing foreign object detection on the slot, wherein the wireless power transmitter transmits the wireless power to the wireless power receiver on the basis of a first operating frequency before generating the slot, the wireless power transmitter resumes transmitting the wireless power on the basis of a second operating frequency after the slot is ended, and the second operating frequency is a higher frequency than the first operating frequency.
摘要:
The present disclosure provides a method, performed by a wireless power receiver, for receiving wireless power in a wireless power transmitting system, and an apparatus using the method, the method comprising: transmitting, to a wireless power transmitter, a configuration packet including a field regarding availability of out-of-band (OB) of the wireless power receiver; receiving, from the wireless power transmitter, a capability packet including a field regarding availability of OB of the wireless power transmitter; and establishing a Bluetooth low energy (BLE) connection with the wireless power transmitter on the basis of the configuration packet and the capability packet, wherein the wireless power receiver transmits a first BLE packet including a plurality of Qi packets to the wireless power transmitter through the LBE connection, and the wireless power receiver receives a response related to the first BLE packet from the wireless power transmitter through the BLE connection.
摘要:
The present disclosure provides a method, performed by a wireless power receiver, for receiving wireless power in a wireless power transmission system, and an apparatus using the method, the method comprising: transmitting, to a wireless power transmitter, information related to a coupling coefficient between the wireless power transmitter and the wireless power receiver; transmitting information related to a power profile of the wireless power receiver to the wireless power transmitter, wherein the information related to the power profile indicates that the wireless power receiver supports a low-coupling power profile; and receiving the wireless power from the wireless power transmitter on the basis of a response to the information related to the power profile, wherein the low-coupling power profile is a power profile used on the basis of the coupling coefficient between the wireless power receiver and the wireless power transmitter being low.
摘要:
A wireless power receiving device according to one embodiment of the present specification comprises: a power pickup circuit for receiving wireless power from a wireless power transmitting device; and a communication/control circuit for communicating with the wireless power transmitting device by using in-band communication using a power signal of the wireless power and/or out-band communication, which is wireless communication that differs from the in-band communication, and for controlling the reception of the wireless power, wherein the communication/control circuit terminates the connection of the out-band communication on the basis of the removal of the power signal from the wireless power transmitting device in a state in which the connection of the wireless power transmitting device and the out-band communication is established.