公开(公告)号：US11800183B2

公开(公告)日：2023-10-24

申请号：US17456359

申请日：2021-11-23

Applicant: LG ELECTRONICS INC.

Inventor： Dokyun Kim ,  Seunghyun Yoo ,  Yoonjong Lee

IPC: H04N21/436 ,  H04N21/435

CPC classification number: H04N21/436 ,  H04N21/435

Abstract: The present disclosure provides a method for a source device to establish a connection with a sink device, and an apparatus related thereto.
According to the present disclosure, a method for a source device to establish a connection with a sink device comprising: receiving, from the sink device, first capability information of the sink device related to a specific operation; transmitting, to the sink device, support version information on a version of capability information of the sink device readable by the source device; and receiving, from the sink device, second capability information of the sink device related to the specific operation based on the support version information, wherein a version of the second capability information is configured based on the support version information.

公开(公告)号：US12289599B2

公开(公告)日：2025-04-29

申请号：US18025161

申请日：2020-09-08

Applicant: LG ELECTRONICS INC.

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

IPC: H02J50/80 ,  H04B5/70 ,  H04W12/069 ,  H04W12/50 ,  H02J50/12

Abstract: A wireless power transmission apparatus for transmitting wireless power to a wireless power reception apparatus, according to an embodiment of the present specification: transmits wireless power to the wireless power reception apparatus by means of magnetic coupling to the wireless power reception apparatus at an operating frequency; communicates with the wireless power reception apparatus by using at least one of in-band communication using the operating frequency and out-band communication using BLUETOOTH® communication; performs an authentication step with the wireless power reception apparatus to increase the level of the wireless power being transmitted to the wireless power reception apparatus; and includes, in a BLUETOOTH® packet, an authentication message required in the authentication step, and transmits the included authentication message to the wireless power reception apparatus via the BLUETOOTH® communication.