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.

    METHOD AND DEVICE FOR TRANSMITTING AUDIO DATA IN SHORT-RANGE WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20240107503A1

    公开(公告)日:2024-03-28

    申请号:US18255305

    申请日:2021-12-01

    CPC classification number: H04W72/0446 G06F3/165 H04W84/18

    Abstract: A method of transmitting audio data in a short-range wireless communication system, and a device therefor are provided. More specifically, a method of transmitting, by a master device, audio data in a short-range wireless communication system comprises transmitting, to at least one first slave device, the audio data based on a broadcast scheme; and receiving, from at least one second slave device, data generated based on a user input based on a unicast scheme, wherein (i) a transmission of the audio data and (ii) a reception of the data generated based on the user input are performed based on at least one time duration periodically allocated for (i) the transmission of the audio data and (ii) the reception of the data generated based on the user input, and wherein each of the at least one time duration includes (i) a first time duration for the transmission of the audio data and (ii) a second time duration for the reception of the data generated based on the user input.

    METHOD FOR TRANSMITTING AND RECEIVING DATA AND DEVICE FOR SAME IN SHORT-RANGE WIRELESS COMMUNICATION SYSTEM

    公开(公告)号:US20240049116A1

    公开(公告)日:2024-02-08

    申请号:US18257058

    申请日:2021-12-13

    CPC classification number: H04W48/10 H04W72/30 H04W76/14

    Abstract: Provided are a method for transmitting and receiving data and a device for same in a short-range wireless communication system. More specifically, the method comprises the steps of: receiving, from a first slave device, a first advertising message for providing a service related to transmitting and receiving the data; forming a shared link, which is for transmitting and receiving the data and is formed on the basis of the first advertising message, on the basis of link parameters for the configuration of the shared link, the shared link including (i) a first link for data transmission from a master device to a slave device, and (ii) a second link for data transmission from the slave device to the master device; and receiving, from a second slave device, a second advertising message for providing the service. wherein the link parameters applied to the shared link are updated on the basis of the second advertising message in order to add the second slave device as a slave device related to the shared link, and the updated link parameters are configured as different values for each of (i) the first link, and (ii) the second link on the basis of the characteristics of the first and second links.

    WIRELESS POWER RECEPTION DEVICE AND WIRELESS POWER TRANSMISSION DEVICE

    公开(公告)号:US20220217617A1

    公开(公告)日:2022-07-07

    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.

    METHOD AND APPARATUS FOR ESTABLISHING CONNECTION BETWEEN DEVICES BY USING BLUETOOTH LOW ENERGY TECHNOLOGY

    公开(公告)号:US20200178339A1

    公开(公告)日:2020-06-04

    申请号:US16637726

    申请日:2018-08-07

    Abstract: The present disclosure relates to a method and an apparatus for establishing a reconnection between devices by using Bluetooth low energy (LE). In particular, a method performed by a first device comprises the steps of: performing a reconnection parameter negotiation procedure with a second device; transmitting, via a channel determined on the basis of a result of the negotiation procedure, to the second device, a trigger sequence including at least one trigger codeword for requesting the reconnection; and receiving a beacon from the second device in response to the trigger sequence, wherein when the beacon is received, the reconnection between the first device and the second device may be established.

    METHOD AND APPARATUS FOR SEARCHING FOR DEVICE BY USING BLUETOOTH LOW ENERGY (LE) TECHNOLOGY

    公开(公告)号:US20200100090A1

    公开(公告)日:2020-03-26

    申请号:US16495056

    申请日:2018-03-19

    Abstract: Disclosed herein are a method and apparatus for discovering an adjacent device in a wireless communication system using Bluetooth low energy (LE). In particular, the method performed by a first device includes recognizing an advertising channel in which interference exists among three advertising channels constituting a first advertising channel set, transmitting a control message instructing application of a protected mode to a second device, when the advertising channel in which interference exists is recognized, the protected mode indicating a mode for transmitting and receiving a message using a second advertising channel set updated from the first advertising channel set in a non-connection state, and receiving an advertisement message from the second device through the second advertising channel set.

    METHOD AND APPARATUS FOR ESTABLISHING CONNECTION OF DEVICES

    公开(公告)号:US20190166490A1

    公开(公告)日:2019-05-30

    申请号:US16321368

    申请日:2017-07-28

    Abstract: Disclosed is a method and apparatus for establishing a connection of a wireless communication interface between a client and a server using Bluetooth Low Energy (LE). According to the present invention, a client, receives, from the server, a first advertising message including at least one of first state information indicating a state of main power of the server and second state information indicating a state of a specific wireless communication interface, performs an activation procedure of the main power based on the first state information, transmits, to the server, a first write request message requesting writing of a first operation code of control point property for activating the specific wireless communication interface; receiving a first write response message in response to the first write request message, receives, from the server, a first indication message including a first result code indicating whether the specific wireless communication interface is activated, and establishes a connection with the specific wireless communication interface, when the specific wireless communication interface is activated.

Patent Agency Ranking