公开(公告)号：US12119673B2

公开(公告)日：2024-10-15

申请号：US17310168

申请日：2019-10-16

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyu Kim ,  Jingu Choi ,  Minsoo Lee ,  Jinkwon Lim

IPC: H02J50/12 ,  H02J7/00 ,  H02J50/80 ,  H04W4/80 ,  H04W12/06

CPC classification number: H02J50/80 ,  H02J50/12 ,  H04W4/80 ,  H04W12/06

Abstract: The present disclosure relates to a device and a method for performing wireless power transmission on the basis of authentication. A wireless power receiver according to the present specification comprises a communication/control circuit for performing an authentication procedure on the basis of out-band communication, wherein the out-band communication is Bluetooth low energy (BLE) communication, and the communication/control circuit performs the authentication procedure on the basis of a logical link control and adaptation protocol (L2CAP) or a generic attribute profile (GATT) of the BLE communication. The present disclosure defines an authentication procedure or authentication messages of a wireless transmission device or a wireless reception device by using an out-band communication protocol, and thus can support various applications of wireless power.

公开(公告)号：US12095280B2

公开(公告)日：2024-09-17

申请号：US17594430

申请日：2020-04-16

Applicant: LG ELECTRONICS INC.

Inventor： Joonho Park ,  Minsoo Lee ,  Jinkwon Lim ,  Jingu Choi

IPC: H02J50/12 ,  H01F38/14 ,  H02J50/40 ,  H02J50/80

CPC classification number: H02J50/12 ,  H01F38/14 ,  H02J50/40 ,  H02J50/80 ,  H01F2038/143

Abstract: The present specification relates to a device and a method enabling in-band communication and out-band communication between a wireless power transmission device and a wireless power receiving device. The present specification discloses a wireless power transmission device, a wireless power transmission method, a wireless power receiving device, a wireless power receiving method and a wireless power transmission system, whereby the existence or not of an inter-device communication connection history is checked using whitelist information of an out-band communication module, and when corresponding to a reconnection, out-band communication is connected, and data exchange for wireless power transmission is carried out via the out-band communication.

公开(公告)号：US12046927B2

公开(公告)日：2024-07-23

申请号：US17908463

申请日：2021-03-04

Applicant: LG ELECTRONICS INC.

Inventor： Jingu Choi ,  Minsoo Lee ,  Hongwon Lee ,  Jinkwon Lim ,  Jaehyu Kim ,  Yongcheol Park

IPC: H02J50/80 ,  H02J50/12 ,  H02J50/40 ,  H04L27/12

CPC classification number: H02J50/80 ,  H02J50/12 ,  H02J50/40 ,  H04L27/12

Abstract: A device for transmission of wireless power according to an embodiment of the present specification comprises: a power conversion circuit for transmitting the wireless power to a wireless power receiving device; and a communication/control circuit for communicating with the wireless power receiving device and controlling the wireless power, wherein the communication/control circuit transmits a response to a reception data packet received from the wireless power receiving device or a transmission data packet transmitted to the wireless power receiving device on the basis of a timeout period, and the timeout period is changed according to a communication speed between the communication/control circuit and the wireless power receiving device.

公开(公告)号：US11979032B2

公开(公告)日：2024-05-07

申请号：US17597500

申请日：2020-05-15

Applicant: LG ELECTRONICS INC.

Inventor： Jingu Choi ,  Jinkwon Lim ,  Minsoo Lee ,  Joonho Park ,  Jaehyu Kim ,  Yongcheol Park

IPC: H02J50/40 ,  H02J50/12 ,  H02J50/80 ,  H02J50/90

CPC classification number: H02J50/40 ,  H02J50/12 ,  H02J50/80 ,  H02J50/90

Abstract: A wireless power transmission device according to an embodiment of the present specification comprises: a power conversion circuit for transmitting wireless power to a wireless power reception device by means of magnetic coupling with the wireless power reception device at an operating frequency; and a communication/control circuit for communicating with the wireless power reception device by using in-band communication that uses the operating frequency and/or out-band communication that uses a frequency other than the operating frequency, and for communicating with at least one other wireless power transmission device by using the out-band communication, wherein the communication/control circuit measures the distance to the wireless power reception device and transmits the information about the measured first distance to the other wireless power transmission device.

公开(公告)号：US20230208194A1

公开(公告)日：2023-06-29

申请号：US17926793

申请日：2021-05-24

Applicant: LG ELECTRONICS INC.

Inventor： Minsoo Lee ,  Jingu Choi ,  Gyunghwan Yook ,  Yongcheol Park

IPC: H02J50/10 ,  H02J50/40 ,  H02J50/80

CPC classification number: H02J50/10 ,  H02J50/402 ,  H02J50/80 ,  H04W4/80

Abstract: A wireless power transmission method by a wireless power transmission apparatus, according to an embodiment of the present specification, comprises: a ping step for transmitting a digital ping and receiving a response to the digital ping from a wireless power reception apparatus; a configuration step for receiving, from the wireless power reception apparatus, a configuration packet including information about elements of an initial power transmission contract; a contract step for receiving, from the wireless power reception apparatus, information about an element of an expanded power transmission contract for updating the initial power transmission contract to the expanded power transmission contract; and a power transmission step for transmitting wireless power to the wireless power reception apparatus, on the basis of the expanded power transmission contract, and receiving, from the wireless power reception apparatus, first control information for control of the wireless power, wherein the response to the digital ping and the configuration packet are received via in-band communication based on a power signal of the wireless power, and the first control information is received via out-band communication that is wireless communication different from the in-band communication.

公开(公告)号：US11252553B2

公开(公告)日：2022-02-15

申请号：US16606286

申请日：2018-04-20

Applicant: LG Electronics Inc.

Inventor： Minsoo Lee ,  Joonkie Kim ,  Hangyu Cho ,  Jingu Choi

IPC: H04W8/00 ,  H04W76/14 ,  H04W4/80 ,  H04W76/11 ,  H04W40/24

Abstract: Disclosed herein is a method for allowing a first device to be connected to a second device in a wireless communication system. The method includes performing a procedure for setting an advertising packet for providing a transport discovery service (TDS) and transmitting the set advertising packet to the second device, wherein the advertising packet comprises at least one advertising (AD) structure field, and one of the at least one AD structure field comprises a first length field, an AD type field indicating a type of data for providing the TDS, and an AD data field comprising TDS data for providing the TDS.

公开(公告)号：US20220030505A1

公开(公告)日：2022-01-27

申请号：US17423770

申请日：2020-01-17

Applicant: LG ELECTRONICS INC.

Inventor： Hyeonjae Lee ,  Minsoo Lee ,  Jinkwon Lim

IPC: H04W48/10 ,  H04W48/16 ,  H04W4/80 ,  H04R5/02

Abstract: The present disclosure relates to a method and device for a control device to set an audio channel in a wireless communication system by using Bluetooth Low Energy technology. According to the present disclosure, an advertising packet is received from each of a plurality of devices, wherein the advertising packet includes at least one among location information, codec information, and/or role information for the respective device.
The control device transmits a plurality of pieces of setting information, for providing an audio service, to the plurality of devices on the basis of the advertising packet, wherein each piece of setting information includes delay information about the respective device, and the control device transmits channel setting information for an isochronous channel, for providing the audio service, to the plurality of devices.

公开(公告)号：US20210400096A1

公开(公告)日：2021-12-23

申请号：US17292329

申请日：2019-11-08

Applicant: LG ELECTRONICS INC.

Inventor： Hyeonjae Lee ,  Minsoo Lee ,  Jinkwon Lim

IPC: H04L29/06 ,  H04L29/08 ,  H04W76/10 ,  H04W4/80

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.

公开(公告)号：US20210243599A1

公开(公告)日：2021-08-05

申请号：US16972263

申请日：2019-07-04

Applicant: LG ELECTRONICS INC.

Inventor： Hyeonjae Lee ,  Minsoo Lee ,  Jingu Choi

IPC: H04W12/06 ,  H04L29/06 ,  H04W4/80 ,  H04L9/30 ,  H04W12/04

Abstract: The present specification provides a method for performing a user authentication of a first client device using a server device in a wireless communication system. More specifically, the method performed by the server device comprises the steps of: broadcasting a first advertisement message for a connection with a first client; establishing a connection with the first client device; receiving, from the first client device, a first request message requesting at least one authentication method supported by the server device; transmitting, to the first client device, a first response message including first authentication method information associated with the at least one authentication method; receiving, from the first client device, a setup message including second authentication method information associated with one or more authentication methods of the at least one authentication method; and transmitting, to the first client device, a second response message including a first user authentication service (UAS) registration identifier, wherein the first UAS registration identifier indicates the first client device which performs the one or more authentication methods and a user authentication through the one or more authentication methods. Accordingly, the present specification has an effect of easily performing high security user authentication with a client device through a server device.

公开(公告)号：US11082851B2

公开(公告)日：2021-08-03

申请号：US16495046

申请日：2018-03-19

Applicant: LG ELECTRONICS INC.

Inventor： Jingu Choi ,  Jonghyun Baik ,  Taeyoung Song ,  Minsoo Lee

IPC: H04W12/084 ,  H04B17/318 ,  H04W4/23 ,  H04W4/80 ,  G10L15/22 ,  H04W4/12 ,  H04W12/033 ,  H04W12/086 ,  H04W12/088 ,  H04W12/0431

Abstract: Disclosed herein is a method and apparatus for processing A first device for processing a voice command received from at least one device using a Bluetooth low energy technology, comprising: Specifically, a method performed by a first device includes transmitting a first advertising message to a peripheral device; receiving a first request message requesting establishment of an audio channel for transmitting and receiving the voice command from a second device; establishing the audio channel with the second device; and receiving a voice command instructing performance of a particular service from the second device through the audio channel.