METHOD AND DEVICE FOR CONTROLLING POWER OF MULTIPLE DEVICES IN WIRELESS POWER TRANSMISSION SYSTEM

    公开(公告)号:US20240055904A1

    公开(公告)日:2024-02-15

    申请号:US18280375

    申请日:2022-03-03

    CPC classification number: H02J50/40 H02J50/80 H02J7/00034

    Abstract: Provided are: a method for establishing out-band communication performed by a wireless power transmitter in a wireless power transmission system; and a device for using same. The method comprises the steps of: transmitting a plurality of pieces of capability information to a plurality of wireless power receivers respectively through in-band communication, wherein each of the plurality of pieces of capability information includes information about whether the wireless power transmitter supports the out-band communication; establishing the out-band communication with the plurality of wireless power transmitters on the basis of the transmission of the plurality of pieces of capability information; and exchanging power control information pertaining to the plurality of wireless power receivers with the plurality of wireless power receivers through the out-band communication.

    WIRELESS POWER RECEIVING DEVICE AND WIRELESS POWER TRANSMITTING DEVICE

    公开(公告)号:US20230299615A1

    公开(公告)日:2023-09-21

    申请号:US18018679

    申请日:2021-07-30

    CPC classification number: H02J50/12 H02J50/80 H02J50/20 H04W4/80

    Abstract: 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.

    DEVICE AND METHOD FOR TRANSMITTING DATA IN WIRELESS POWER TRANSMISSION SYSTEM

    公开(公告)号:US20210167816A1

    公开(公告)日:2021-06-03

    申请号:US17170322

    申请日:2021-02-08

    Abstract: A wireless power receiver for receiving wireless power from a wireless power transmitter and for transmitting a control packet to the wireless power transmitter in a wireless power transfer system, includes a power pick-up unit configured to receive wireless power from the wireless power transmitter via magnetic coupling with the wireless power transmitter, and to convert an AC signal generated by the wireless power to a DC signal, a communication/control unit configured to receive the DC signal from the power pick-up unit, and to perform control of the wireless power and a load configured to receive the DC signal from the power pick-up unit, wherein the communication/control unit is configured to transmit a control error packet including a control error value for the wireless power to the wireless power transmitter in a first time interval or a second time interval.

    ELECTRONIC DEVICE FOR SENSING 2D AND 3D TOUCH AND METHOD FOR CONTROLLING THE SAME
    15.
    发明申请
    ELECTRONIC DEVICE FOR SENSING 2D AND 3D TOUCH AND METHOD FOR CONTROLLING THE SAME 有权
    用于感测2D和3D触摸的电子设备及其控制方法

    公开(公告)号:US20150378463A1

    公开(公告)日:2015-12-31

    申请号:US14670195

    申请日:2015-03-26

    Abstract: An electronic device having a function for sensing 2D and 3D touch which includes a display unit; a bezel frame unit; a plurality of light emitting units; a plurality of light receiving units; a 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; and a motion recognition unit configured to calculate a horizontal coordinate based on the quantity of the first light, to calculate a spatial coordinate based on the quantity of the second light, 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.

    Abstract translation: 一种具有感测2D和3D触摸功能的电子设备,包括显示单元; 边框框架单元; 多个发光单元; 多个光接收单元; 光隔离单元,被配置为隔离用于感测2D触摸的第一光和用于感测来自所述发光单元的入射光的3D触摸的第二光; 驱动控制单元,被配置为顺序地操作所述多个所述发光单元; 以及运动识别单元,被配置为基于所述第一光的量来计算水平坐标,基于所述第二光的量来计算空间坐标,基于所检测的光的量来提取所述指针的运动,以及 以实现与提取的运动相对应的操作。

    WIRELESS POWER RECEIVING DEVICE AND WIRELESS POWER TRANSMITTING DEVICE

    公开(公告)号:US20240388135A1

    公开(公告)日:2024-11-21

    申请号:US18786043

    申请日:2024-07-26

    Abstract: 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.

    POWER CONTROL METHOD AND APPARATUS USING BLUETOOTH-BASED COMMUNICATION IN WIRELESS POWER TRANSMITTING SYSTEM

    公开(公告)号:US20240356384A1

    公开(公告)日:2024-10-24

    申请号:US18579189

    申请日:2021-07-13

    CPC classification number: H02J50/80 H02J7/00045 H02J50/10 H02J50/40

    Abstract: 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.

    METHOD AND APPARATUS FOR MEASURING QUALITY FACTOR IN WIRELESS POWER TRANSMISSION SYSTEM

    公开(公告)号:US20240204573A1

    公开(公告)日:2024-06-20

    申请号:US18287120

    申请日:2022-04-18

    CPC classification number: H02J50/60 H02J50/12 H02J50/402 H02J50/80 H04B5/79

    Abstract: The present disclosure provides a method for transmitting wireless power performed by a wireless power transmitter in a wireless power transmission system, and an apparatus using same, the method comprising: receiving information for detecting whether a foreign object (FO) exists from a wireless power receiver; detecting whether the FO exists before transmission of wireless power on the basis of the information; transmitting the wireless power to the wireless power receiver on the basis of detecting that the FO does not exist; and calculating a slot quality factor on a slot while transmitting the wireless power, wherein the slot quality factor is a quality factor used to determine whether an FO has been inserted while transmitting the wireless power, and a starting point of the slot is a point at which a voltage value of a coil in a wireless power transmitter is the maximum value and a current value of the coil is 0.

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