Device and method for performing wireless power transfer on basis of heterogeneous communication

    公开(公告)号:US12095524B2

    公开(公告)日:2024-09-17

    申请号:US17296186

    申请日:2019-08-06

    摘要: The present invention relates to a device and a method for performing wireless power transfer on the basis of heterogeneous communication. Disclosed in the present specification is a wireless power receiving device comprising: a power pickup unit configured to receive wireless power from a wireless power transfer device by magnetically coupling with the wireless power transfer device at an operating frequency, and convert an alternating current signal generated by the wireless power into a direct current signal; a communication/control unit configured to receive the direct current signal from the power pickup unit, and perform an in-band communication using the operating frequency and/or an out-band communication using a frequency other than the operating frequency; and a load configured to receive the direct current signal from the power pickup unit. Configuration information, control information and management information related to wireless power transfer, and procedures related to the exchange thereof are defined as an out-band communication protocol, and thus various applications of wireless power can be supported.

    Voice signal receiving method using Bluetooth low power in wireless communication system, and apparatus therefor

    公开(公告)号:US11903056B2

    公开(公告)日:2024-02-13

    申请号:US17595009

    申请日:2020-05-11

    IPC分类号: H04W76/14 H04S3/00 H04S7/00

    摘要: In the present disclosure, a method comprising: receiving a first advertisement message for measuring a declination angle between devices; measuring each declination angle between a reference point set in the control device and positions of at least one device based on the first advertisement message, wherein the positions of the at least one device are respectively adjusted such that each declination angle satisfies a specific angle for receiving a voice signal, based on the measured respective declination angles; receiving each of a first voice signals based on the respective adjusted positions from the at least one device; and measuring a volume of the received first voice signal, respectively, wherein based on the measured volume, an audio signal output angle of the at least one device is adjusted such that an audio signal received by the control device is incident at right angles to the control device.

    Method for receiving audio data by using bluetooth technology, and device therefor

    公开(公告)号:US11736919B2

    公开(公告)日:2023-08-22

    申请号:US17436373

    申请日:2020-03-09

    IPC分类号: H04W4/80 H04B5/00

    CPC分类号: H04W4/80 H04B5/0056

    摘要: A method for receiving audio data using Bluetooth Low Energy technology, the method performed by a client device comprising: receiving, from a server device, a first advertisement message including information for providing an audio streaming service; receiving, from the server device, a second advertisement message including synchronization information for synchronization between the client device and the server device; receiving, from the server device, a third advertisement message including an indicator representing that audio data of the audio streaming service is grouped with audio data information for the audio data and transmitted; receiving, from the server device, broadcast audio data including the grouped audio data and the audio data information based on the indicator, through an isochronous channel; obtaining, from an user, specific information related to whether to permit a provision of the audio streaming service based on the audio data information; and



    decoding the audio data based on the specific information representing permission to provide the audio data.

    METHOD FOR RECEIVING AUDIO DATA BY USING BLUETOOTH TECHNOLOGY, AND DEVICE THEREFOR

    公开(公告)号:US20220159436A1

    公开(公告)日:2022-05-19

    申请号:US17436373

    申请日:2020-03-09

    IPC分类号: H04W4/80 H04B5/00

    摘要: A method for receiving audio data using Bluetooth Low Energy technology, the method performed by a client device comprising: receiving, from a server device, a first advertisement message including information for providing an audio streaming service; receiving, from the server device, a second advertisement message including synchronization information for synchronization between the client device and the server device; receiving, from the server device, a third advertisement message including an indicator representing that audio data of the audio streaming service is grouped with audio data information for the audio data and transmitted; receiving, from the server device, broadcast audio data including the grouped audio data and the audio data information based on the indicator, through an isochronous channel; obtaining, from an user, specific information related to whether to permit a provision of the audio streaming service based on the audio data information; and decoding the audio data based on the specific information representing permission to provide the audio data.

    Method and device for transmitting/receiving data in mesh network using bluetooth

    公开(公告)号:US10397850B2

    公开(公告)日:2019-08-27

    申请号:US15570185

    申请日:2016-05-02

    摘要: The present invention relates to a method and apparatus for transmitting and receiving a message performed by a first relay device in a mesh network of Bluetooth including receiving a first message from at least one device including a first device and a second device, calculating a Hop count with the first device based on the first message, receiving a second message transmitted from a second device to the first device, and the second message includes a first relay value indicating a relay count and a destination address field including an address of a destination device, comparing the first relay value with the Hop count, and dropping or transmitting the second message to one or more neighboring devices according to the result of comparison.

    Method and device for controlling device using Bluetooth in wireless communication system

    公开(公告)号:US09767684B2

    公开(公告)日:2017-09-19

    申请号:US15282819

    申请日:2016-09-30

    IPC分类号: G08C17/02

    摘要: The present invention relates to a method for a first device being controlled by a control device using a Bluetooth Lowe Energy (LE). The present invention provides a method and apparatus including establishing a Bluetooth LE connection with the control device; receiving a write request message requesting a specific operation with the second device from the control device; transmitting a write response message in response to the request message; transmitting a request message to the second device in order to perform the specific operation; and transmitting an error message indicating that a performance of the specific operation is failed to the control device, when failing to perform the specific operation with the second device within a specific time, where the request message includes time information indicating the specific time.

    Access control method and device in wireless power transmission system

    公开(公告)号:US12081289B2

    公开(公告)日:2024-09-03

    申请号:US17616535

    申请日:2020-01-30

    摘要: The present invention relates to an access control method and device in a wireless power transmission system. A wireless power transmission device comprises: a power conversion circuit configured to have a plurality of primary coils and transmit wireless power to a wireless power reception device by using the primary coil which has formed magnetic coupling to the wireless power reception device at an operating frequency; and a communication/control circuit configured to perform in-band communication with the wireless power reception device by using the operating frequency and perform out-band communication with the wireless power reception device by using a frequency other than the operating frequency, wherein the communication/control circuit can transmit information for notifying whether or not connection to the wireless power reception device is possible by using the out-band communication.

    Apparatus and method for broadcasting charging error in wireless charging device, method, and system

    公开(公告)号:US11941967B2

    公开(公告)日:2024-03-26

    申请号:US17794894

    申请日:2020-01-29

    IPC分类号: G08B21/18 H02J50/10 H02J50/80

    CPC分类号: G08B21/18 H02J50/10 H02J50/80

    摘要: The present specification relates to a wireless power transmission device, a wireless power reception device, a wireless power transmission method, a wireless power reception method, and a wireless power transmission system, wherein, when a wireless charging error is determined to have occurred during wireless charging between the wireless charging transmission device and the wireless power reception device, the wireless power transmission device transmits a broadcasting alarm message on the basis of out-of-band communication, the wireless power reception device receives the broadcasting alarm message, and the wireless power reception device can, upon receiving the broadcasting alarm message, transmit the alarm message to a Bluetooth device connected to the wireless power reception device.

    Method and apparatus for transmitting or receiving data by using bluetooth low energy technology

    公开(公告)号:US11064335B2

    公开(公告)日:2021-07-13

    申请号:US16622082

    申请日:2018-06-12

    摘要: The present invention relates to a method and an apparatus for transmitting or receiving, by a first manager apparatus, data for provision of a particular service in a mesh network of a wireless communication system. The present invention provides a method and an apparatus for: receiving, from a target apparatus, state information related to update of firmware for providing a particular service; transmitting a request message which requests update of firmware of the target apparatus on the basis of the state information; thereafter, selecting a particular channel from multiple channels for transmission of firmware data, wherein the multiple channels are channels configured to transmit or receive data having a predetermined size or larger; transmitting the firmware data through the particular channel; and receiving, from the target apparatus, a completion message which indicates completion of the update of the firmware, wherein the state information includes a version identifier which indicates the current version of the firmware.