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：US11527924B2

公开(公告)日：2022-12-13

申请号：US17423844

申请日：2019-11-12

Applicant: LG ELECTRONICS INC.

Inventor： Joonho Park ,  Jinkwon Lim ,  Jingu Choi ,  Yongcheol Park

IPC: H02J50/80 ,  H02J50/10 ,  H02J7/00

Abstract: The present specification relates to a device and method for supporting heterogeneous communication in a wireless power transfer system. The present specification discloses a wireless power reception device comprising: a power pickup circuit configured to receive, from a wireless power transfer device, wireless power generated on the basis of magnetic coupling in a power transfer phase; and a communication and control circuit configured to transmit, to the wireless power transfer device, a first random address packet including a random address of the wireless power reception device or receive, from the wireless power transfer device, a second random address packet including a random address of the wireless power transfer device via in-band communication. By performing a handover using a random address, cross reference can be prevented and security can be enhanced, and thus a BLE connection in a wireless charging system can be more safely performed.

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：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.

公开(公告)号：US11012227B2

公开(公告)日：2021-05-18

申请号：US16314378

申请日：2017-06-30

Applicant: LG ELECTRONICS INC.

Inventor： Jinkwon Lim ,  Jingu Choi ,  Younghwan Kwon ,  Taeyoung Song ,  Minsoo Lee

IPC: H04L9/08 ,  H04L9/32 ,  H04W4/00 ,  H04L29/06 ,  H04L9/06 ,  H04W12/041 ,  H04W12/50 ,  H04W12/069 ,  H04W12/0431 ,  H04W12/06 ,  H04W76/14 ,  H04W4/80 ,  H04L9/30 ,  H04W68/00

Abstract: Disclosed is an authentication method and system for a device using a Bluetooth technology. A method for performing authentication by a first device, using Bluetooth low energy (LE), according to an embodiment of the present invention comprises: authenticating a user on the basis of ID information of the user; and authenticating a device by comparing information acquired from a user input with information acquired using an exchanged public key. The authentication scheme for a device is determined according to the input/output capability of the device.

公开(公告)号：US10979894B2

公开(公告)日：2021-04-13

申请号：US15570120

申请日：2016-05-02

Applicant: LG ELECTRONICS INC.

Inventor： Younghwan Kwon ,  Jinkwon Lim ,  Jingu Choi

IPC: H04W8/26 ,  H04L29/12 ,  H04W4/80 ,  H04W4/06 ,  H04W12/06 ,  H04W84/18 ,  H04W8/00

Abstract: The present invention relates to a method and a device for a first device setting the address of a second device through a Bluetooth mesh network wherein a setting message for setting the address is transmitted to the second device, and a first status message is received from the second device as a response to the setting message, the first status message comprising status information indicating whether the setting of the address was successful, and the setting message comprises at least one among an address field comprising an address value to be used by the second device in the Bluetooth mesh network or a first identifier indicating a request or no request for a response to the setting message.

公开(公告)号：US10827391B2

公开(公告)日：2020-11-03

申请号：US15747693

申请日：2015-10-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyeonjae Lee ,  Jingu Choi

IPC: H04W4/80 ,  H04W76/14 ,  H04W36/00 ,  H04W52/02 ,  H04W8/00 ,  H04W88/06 ,  H04W36/14 ,  H04W8/24 ,  H04W84/18

Abstract: The present invention relates to a method and a device for forming a substitute communication means by using Bluetooth low energy (LE). According to the present invention, provided are the method and the device, the method comprising the steps of: receiving an advertising message including substitute communication means information and service information from a second device, wherein the substitute communication means information includes information of a substitute communication means supported by the second device, and the service information includes information of at least one service, which can be provided by the second device through the substitute communication means; transmitting, to the second device, a filling out request message for requesting the activation of the substitute communication means and the at least one service; and receiving a response message as a response to the filling out request message.

公开(公告)号：US10820375B2

公开(公告)日：2020-10-27

申请号：US15901687

申请日：2018-02-21

Applicant: LG ELECTRONICS INC.

Inventor： Giwon Park ,  Jingu Choi ,  Byungjoo Lee

IPC: H04W92/18 ,  H04L29/06 ,  H04W4/80 ,  H04W76/14 ,  H04W52/02 ,  H04W88/06 ,  H04L29/08 ,  H04W84/12 ,  H04W8/00 ,  H04W48/16 ,  H04W48/10 ,  H04W8/24

Abstract: In an aspect of the present invention, provided herein is a method for turning on a Wi-Fi interface based on a Bluetooth Low Energy (BLE) interface by a first station (STA) in a wireless communication system, including: exchanging an advertising packet with a second STA based on the BLE interface; transmitting a first message to the second STA based on the BLE interface; and receiving a second message from the second STA based on the BLE interface. In this case, the Wi-Fi interface may be turned on based on the advertising packet, and information related to the Wi-Fi interface may be exchanged through the first and second messages.

公开(公告)号：US10798548B2

公开(公告)日：2020-10-06

申请号：US16327251

申请日：2017-08-17

Applicant: LG ELECTRONICS INC.

Inventor： Jingu Choi ,  Taeyoung Song ,  Minsoo Lee ,  Jinkwon Lim

IPC: H04W4/80 ,  H04W12/08 ,  H04W4/00 ,  G08C17/02 ,  H04W36/08 ,  H04Q9/04 ,  H04W48/16 ,  H04L12/813 ,  H04W88/16

Abstract: The present invention relates to a method by which a user device controls a target device by using Bluetooth low energy technology in a wireless communication system, and an apparatus. According to the present invention, provided are a method and an apparatus for: discovering a first gateway for controlling at least one target device through a voice signal; receiving a first voice signal for controlling the at least one target device from a user; transmitting user information for identifying the user and the first voice signal to the searched for first gateway; and receiving, from the first gateway, a second voice signal or data indicating a control result with respect to the first voice signal.