Wireless power reception device and wireless power transmission device

    公开(公告)号:US12213054B2

    公开(公告)日:2025-01-28

    申请号:US17594827

    申请日:2020-04-29

    Abstract: A wireless power reception device according to an embodiment of the present specification comprises: a power pickup circuit configured to receive wireless power from a wireless power transmission device by magnetic coupling with the wireless power transmission device at an operating frequency, and convert an AC signal generated by the wireless power into a DC signal; and a communication/control circuit for communicating with the wireless power transmission device by using in-band communication using the operation frequency and out-band communication using a frequency other than the operation frequency, wherein the communication/control circuit transmits access information of a Wi-Fi network connected to the wireless power reception device, to the wireless power transmission device by using the out-band communication.

    In-band and out-band communication method and device in wireless power transmission system

    公开(公告)号:US11949254B2

    公开(公告)日:2024-04-02

    申请号:US17594165

    申请日:2019-11-29

    CPC classification number: H02J50/80 H02J50/10 H04B1/005 H04B5/0037

    Abstract: The present invention relates to a near field communication method and device in a wireless power transmission system. A wireless power receiving device comprises: a power pick-up circuit configured to receive wireless power from a wireless power transmitting device having a primary coil by magnetic coupling to the wireless power transmitting device at an operating frequency and convert an alternating current signal generated from the wireless power into a direct current signal; a communication circuit configured to perform in-band communication with the wireless power transmitting device by using the operating frequency and perform out-band communication with the wireless power transmitting device or another device by using a frequency other than the operating frequency; and a control circuit configured to control an overall operation of the wireless power receiving device, wherein a first connection parameter for out-band communication between the wireless power transmitting device and the wireless power receiving device can be set equal to a second connection parameter for out-band communication between the wireless power transmitting device and another wireless power receiving device.

    Wireless power reception device and wireless power transmission device

    公开(公告)号:US11941602B2

    公开(公告)日:2024-03-26

    申请号:US17597504

    申请日:2020-06-29

    CPC classification number: G06Q20/32 H02J50/12 H02J50/60 H02J50/40

    Abstract: According to an aspect of the present invention, a wireless power reception device includes: a power pick-up circuit which is configured to form magnetic coupling with a wireless power transmission device and receive wireless power from the wireless power transmission device; and a communication/control circuit which is configured to perform at least one among control of the transmission of the wireless power and data transmission and reception on the basis of communication with the wireless power transmission device, wherein the communication/control circuit can receive a check message for checking payment information from the wireless power transmission device and perform a payment procedure for wireless power transmission, and can provide a user interface related to information for the payment procedure.

    Audio data transmitting/receiving method using Bluetooth low power in wireless communication system, and apparatus therefor

    公开(公告)号:US11736883B2

    公开(公告)日:2023-08-22

    申请号:US17454747

    申请日:2021-11-12

    CPC classification number: H04S7/301 H04R29/002 H04R2420/07 H04W4/80

    Abstract: A method performed by a control device includes transmitting, to a first device, a signal for configuring an audio data output volume of the first device as a reference value, transmitting, to the first device, a test stream for calibration on an audio data output volume of devices consisting of a multi-channel surround system, and measuring an audio data output of the first device based on the reference value and the test stream. Further operations include transmitting, to second and third devices, a signal for configuring an audio data output volume of each of the second and third devices as a specific value, transmitting the test stream to the second and third devices, and measuring audio data outputs of each of the second and third devices which is outputted based on the specific value and the test stream.

    Method and apparatus for receiving audio data by using Bluetooth technology

    公开(公告)号:US11665214B2

    公开(公告)日:2023-05-30

    申请号:US17292329

    申请日:2019-11-08

    CPC classification number: H04L65/60 H04L67/55 H04W4/80 H04W56/001 H04W76/10

    Abstract: The present disclosure provides a method of receiving audio data using Bluetooth Low Energy technology. Specifically, a client device receives, from a server device, an advertisement message including channel information for receiving an extended advertisement message for providing an audio streaming service; receives, from the server device, the extended advertisement message including an indicator related to the audio data of the audio streaming service based on the channel information, wherein the indicator represents that the audio data and audio feedback information for identifying the audio data are transmitted by being grouped; receives, from the sever device, the audio data and the audio feedback information through an isochronous channel; obtains, from a user, specific information related to whether to permit to provide the audio streaming service based on the audio feedback information; and decodes the audio data when the specific information represents permission to provide the audio streaming service.

    Method for transmitting audio data by using short-range wireless communication in wireless communication system, and apparatus for same

    公开(公告)号:US11622196B2

    公开(公告)日:2023-04-04

    申请号:US17833547

    申请日:2022-06-06

    Abstract: The present disclosure relates to a method by which a third device transmits audio data in a short-range wireless communication system, and an apparatus for same. According to the present disclosure, the method comprising: receiving, from a first device and a second device, capability information related to the audio data output capabilities of the first device and the second device; determining, based on the capability information, whether to form a channel for audio data transmission between the first device and the second device; transmitting, to the first device and the second device, setting information for outputting audio data of the first device and the second device, based on the determination result; and transmitting the audio data to the first device and the second device, wherein the positions and the audio data output time points of the first device and the second device are determined based on the setting information.

    Method and apparatus for controlling power of device by using bluetooth technology

    公开(公告)号:US11445453B2

    公开(公告)日:2022-09-13

    申请号:US16972905

    申请日:2019-06-07

    Abstract: The present disclosure relates to a method and apparatus for controlling a power by using the Bluetooth Low Energy technology performed by a control device. According to the present disclosure, the method and apparatus includes establishing a connection with a first device and a second device through Bluetooth Low Energy (BLE) and receiving, from the first device, a first request message for requesting a transmission power change of the first device.
    In addition, the method and apparatus includes receiving, from the second device, a second request message for requesting a transmission power change of the second device and changing a transmission power of the control device to a specific transmission power value based on the first change value and the second change value.

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