公开(公告)号：US20180124550A1

公开(公告)日：2018-05-03

申请号：US15560886

申请日：2016-03-23

Applicant: LG ELECTRONICS INC.

Inventor： Younghwan KWON ,  Jinkwon LIM ,  Jingu CHOI

IPC: H04W4/00 ,  H04W40/24

CPC classification number: H04W4/80 ,  H04W4/50 ,  H04W8/005 ,  H04W40/24 ,  H04W84/18 ,  H04W88/04

Abstract: The present invention relates to a method and device for setting the role of a device in a Bluetooth mesh network. According to the present invention, a method and device are provided which: receive a write request message including settings information for setting the role of a first device from a control device; transmit a response message as a response to the write request; transmit an advertising message including role information set by the settings information to a second device; and transmit a first message including first information on the first device to the second device.

公开(公告)号：US20170244927A1

公开(公告)日：2017-08-24

申请号：US15519438

申请日：2015-10-14

Applicant: LG ELECTRONICS INC.

Inventor： Dokyun KIM ,  Hyeonjae LEE ,  Jangwoong PARK ,  Jinkwon LIM ,  Hyunsik YANG

IPC: H04N5/775 ,  H04N21/43 ,  H04N21/4363

CPC classification number: H04N5/775 ,  H04N5/765 ,  H04N7/173 ,  H04N21/4302 ,  H04N21/4307 ,  H04N21/43635

Abstract: The present invention relates to a method and an apparatus for transmitting and receiving data by using high definition media interface (HDMI). According to the present invention, provided are a method including: receiving a request message for requesting first latency information indicating latency for outputting the data from a receiver, the request message including second latency information indicating the latency of the receiver; acquiring the first latency information based on at least one of the second latency information and third latency information indicating the latency of the sink device; and transmitting a response message including the first latency information as a response to the request message to the receiver, and an apparatus.

公开(公告)号：US20170201886A1

公开(公告)日：2017-07-13

申请号：US15403639

申请日：2017-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Hyunsik YANG ,  Younghwan KWON ,  Jinkwon LIM

IPC: H04W12/08 ,  H04W4/00 ,  H04L29/06 ,  H04L9/30 ,  H04W12/04 ,  H04W12/06

Abstract: The present invention relates to a method and an apparatus for controlling connection between a first device and a second device by a control device using Bluetooth LE (Low Energy). According to the present invention, there are provided a method and an apparatus for obtaining pairing information from the first device and the second device to generate information for establishing connection between the first device and the second device and transmitting the generated information to the first device and the second device to control the first device and the second device to establish connection of a predetermined security level or higher.

公开(公告)号：US20170115740A1

公开(公告)日：2017-04-27

申请号：US15318336

申请日：2015-06-12

Applicant: LG ELECTRONICS INC.

Inventor： Dokyun KIM ,  Hyunsik YANG ,  Hyeonjae LEE ,  Jangwoong PARK ,  Jinkwon LIM

IPC: G06F3/01 ,  G09G5/00 ,  H04N5/44 ,  H04N21/4363 ,  H04N21/422

CPC classification number: G06F3/017 ,  G06F3/005 ,  G09G5/006 ,  G09G2320/0261 ,  G09G2354/00 ,  G09G2370/047 ,  G09G2370/06 ,  G09G2370/12 ,  H04N5/4403 ,  H04N21/41 ,  H04N21/42207 ,  H04N21/436 ,  H04N21/43635

Abstract: The present invention is related to a method and an apparatus for transmitting and receiving data by using HDMI (High Definition Media Interface). A method and an apparatus according to the present invention comprises requesting reading EDID (Extended Display Identification Data) from a sink device in case the sink device is connected; receiving from the sink device EDID including capability information of the sink device, wherein the capability information indicates whether the sink device is capable of processing gesture information; requesting gesture information indicating a predetermined gesture which may be recognized or extracted from the sink device on the basis of the EDID; and receiving the gesture information from the sink device.

公开(公告)号：US20170099567A1

公开(公告)日：2017-04-06

申请号：US15282588

申请日：2016-09-30

Applicant: LG ELECTRONICS INC.

Inventor： Younghwan KWON ,  Jinkwon LIM

IPC: H04W4/00 ,  H04W8/00 ,  H04W48/10 ,  H04W40/02 ,  H04L12/733

CPC classification number: H04W8/005 ,  H04L45/20 ,  H04W4/80 ,  H04W40/023 ,  H04W84/18

Abstract: The present invention relates to a method and apparatus for transmitting and receiving a message in a Bluetooth mesh network performed by a first node, the method includes receiving a message including type information indicating a transmission method from a second node included in the Bluetooth mesh network; and transmitting the message to one or more nodes according to the type information, where the type information includes one of routing type information indicating a method for transmitting a message through a specific path or flooding type information indicating a flooding method.

公开(公告)号：US20220294272A1

公开(公告)日：2022-09-15

申请号：US17607973

申请日：2020-03-05

Applicant: LG Electronics Inc.

Inventor： Minsoo LEE ,  Jinkwon LIM ,  Jingu CHOI

IPC: H02J50/80 ,  H02J50/60 ,  H02J50/12 ,  H02J50/40 ,  H02J13/00

Abstract: The present specification relates to: a wireless power receiving device, which can receive information about a power class on the basis of out-band communications at a short distance before the wireless power receiving device is positioned at the charging position of a wireless power transmitting device, and negotiate power class; the wireless power transmitting device; a wireless power transmitting method; a wireless power receiving method; and a wireless power transmitting system. According to the present specification, whether power of the wireless power transmitting device (or a charger) is suitable for the wireless power receiving device (or a device to be charged) is quickly identified remotely or at a short distance prior to a wireless power transmission (or wireless charging), appropriate charging power is set through negotiation, and then wireless charging can be safely performed.

公开(公告)号：US20220278553A1

公开(公告)日：2022-09-01

申请号：US17597503

申请日：2020-06-05

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyu KIM ,  Minsoo LEE ,  Jinkwon LIM ,  Jingu CHOI

IPC: H02J50/12 ,  H02J50/80 ,  H02J50/60 ,  H02J50/40 ,  H04B5/00 ,  H04W12/06 ,  H04W12/04 ,  H04L9/40 ,  H04L9/30 ,  H04L9/32

Abstract: According to one aspect of the present invention, a wireless power reception device includes: a power pickup circuit configured to form a magnetic coupling with a wireless power transmission device to receive wireless power from the wireless power transmission device; and a communication/control circuit configured to perform transmission control for the wireless power and at least one of data transmission and reception on the basis of communication with the wireless power transmission device, wherein the communication/control circuit can initiate a process for generating an authenticated link for charging by accepting only a connection request received within a prescribed authentication accept period.

公开(公告)号：US20220263819A1

公开(公告)日：2022-08-18

申请号：US17626282

申请日：2020-07-13

Applicant: LG ELECTRONICS INC.

Inventor： Jaehyu KIM ,  Jingu CHOI ,  Minsoo LEE ,  Jinkwon LIM

IPC: H04L9/40 ,  H04W12/06 ,  H04L9/32 ,  H02J50/80 ,  H02J50/40 ,  H02J50/10

Abstract: According to one embodiment of the present specification, a method for performing authentication between an authentication initiator and an authentication responder in a wireless power transmission system comprises the steps in which: the authentication initiator transmits an initiator certificate chain and an initiator signature to the authentication responder; the authentication initiator receives a responder certificate chain and a responder signature from the authentication responder who has authenticated the authentication initiator by verifying the initiator signature information; and the authentication initiator verifies the responder signature to authenticate the authentication responder.

公开(公告)号：US20220217795A1

公开(公告)日：2022-07-07

申请号：US17595009

申请日：2020-05-11

Applicant: LG ELECTRONICS INC.

Inventor： Hyeonjae LEE ,  Jinkwon LIM ,  Taeyoung SONG

IPC: H04W76/14 ,  H04S7/00 ,  H04S3/00

Abstract: 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.

公开(公告)号：US20220158505A1

公开(公告)日：2022-05-19

申请号：US17594165

申请日：2019-11-29

Applicant: LG ELECTRONICS INC.

Inventor： Jingu CHOI ,  Jinkwon LIM ,  Minsoo LEE ,  Joonho PARK ,  Yongcheol PARK

IPC: H02J50/80 ,  H04B5/00 ,  H02J50/10 ,  H04B1/00

Abstract: The present invention relates to a near field communication method and device in a wireless power transmission system. A wireless power receiving device comprises: a power pick-up circuit configured to receive wireless power from a wireless power transmitting device having a primary coil by magnetic coupling to the wireless power transmitting device at an operating frequency and convert an alternating current signal generated from the wireless power into a direct current signal; a communication circuit configured to perform in-band communication with the wireless power transmitting device by using the operating frequency and perform out-band communication with the wireless power transmitting device or another device by using a frequency other than the operating frequency; and a control circuit configured to control an overall operation of the wireless power receiving device, wherein a first connection parameter for out-band communication between the wireless power transmitting device and the wireless power receiving device can be set equal to a second connection parameter for out-band communication between the wireless power transmitting device and another wireless power receiving device.