公开(公告)号：US10264312B2

公开(公告)日：2019-04-16

申请号：US15532753

申请日：2015-12-04

Applicant: LG ELECTRONICS INC.

Inventor： Jangwoong Park ,  Dokyun Kim ,  Hyeonjae Lee ,  Jinkwon Lim ,  Hyunsik Yang

IPC: G09G5/00 ,  H04N21/64 ,  H04N21/422 ,  H04N21/435 ,  H04N21/436 ,  H04N21/643 ,  H04N21/858 ,  H04N21/4363

Abstract: A data transmission and reception method for a sink device which is connected to a plurality of source devices by means of a high definition multimedia interface (HDMI), according to an embodiment of the present invention, comprises the steps of: receiving an allocation of an internet protocol (IP) address; transmitting device information about a sink device to a control point through a network; and transmitting service information about a supportable service by the sink device to the control point through the network.

公开(公告)号：US10009650B2

公开(公告)日：2018-06-26

申请号：US15317871

申请日：2015-06-12

Applicant: LG ELECTRONICS INC.

Inventor： Jangwoong Park ,  Hyeonjae Lee ,  Dokyun Kim ,  Jinkwon Lim ,  Hyunsik Yang

IPC: H04N7/16 ,  H04N21/443 ,  H04N21/439 ,  H04N21/4363

CPC classification number: H04N21/443 ,  H04N21/436 ,  H04N21/43635 ,  H04N21/439 ,  H04N21/4516

Abstract: A method for processing data by a source device which transmits an object-based audio (OBA) using a high definition media interface (HDMI), includes when a sink device is connected, requesting the sink device to read an enhanced extended display identification data (E-EDID), receiving an E-EDID including OBA-processing information of the sink device from the sink device, the OBA processing information including at least one of capability information indicating capability of processing the OBA and property information required for processing the OBA, and determining whether the sink device is capable of processing the OBA based on the OBA processing information.

公开(公告)号：US12213054B2

公开(公告)日：2025-01-28

申请号：US17594827

申请日：2020-04-29

Applicant: LG ELECTRONICS INC.

Inventor： Jinkwon Lim ,  Minsoo Lee ,  Jingu Choi ,  Taeyoung Song ,  Joonho Park ,  Yongcheol Park

IPC: H04W48/08 ,  H02J50/10 ,  H02J50/40 ,  H04B5/24 ,  H04B5/79 ,  H04W76/10

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.

公开(公告)号：US12095525B2

公开(公告)日：2024-09-17

申请号：US17436450

申请日：2020-01-14

Applicant: LG Electronics Inc.

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

IPC: H04B5/79 ,  H02J50/12 ,  H02J50/40 ,  H04W24/10 ,  H04W76/30

CPC classification number: H04B5/79 ,  H02J50/12 ,  H02J50/40 ,  H04W24/10 ,  H04W76/30

Abstract: According to one aspect of the present disclosure, a wireless power receiver for receiving wireless power on the basis of out-band communication is provided. The receiver comprises: a power pick-up circuit configured to receive wireless power from a wireless power transmitter at an operating frequency; and a communication/control circuit configured to perform at least one of in-band communication using the operating frequency and out-band communication using a frequency other than the operating frequency. Here, on the basis of at least one of the received voltage in the power pick-up circuit and a received signal strength indicator (RSSI) of a first signal related to the out-band communication, the communication/control circuit may perform a power interruption procedure for interrupting transmission of the wireless power and a disconnection procedure for releasing the connection of the out-band communication.

公开(公告)号：US12095289B2

公开(公告)日：2024-09-17

申请号：US17431253

申请日：2019-10-16

Applicant: LG Electronics Inc.

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

IPC: H02J50/80 ,  G08C17/04 ,  H02J50/12

CPC classification number: H02J50/80 ,  G08C17/04 ,  H02J50/12

Abstract: A wireless power receiver may comprise: a power pick-up circuit configured to receive power wirelessly from a wireless power transmitter including a plurality of primary coils by magnetic coupling to the wireless power transmitter at an operating frequency and to convert an alternating current signal induced by the wireless power into a direct current signal; a communication/control circuit receiving the direct current signal supplied from the power pick-up circuit and including an in-band communication module which communicates with the wireless power transmitter by using the operating frequency, and an out-band communication module which communicates with the wireless power transmitter by using any frequency except for the operating frequency; and a load configured to receive the direct current signal supplied from the power pick-up circuit, wherein the communication/control circuit transmits a message informing of the start of power allocation negotiation, to other wireless power receivers by using the out-band communication module.

公开(公告)号：US11949254B2

公开(公告)日：2024-04-02

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 ,  H02J50/10 ,  H04B1/00 ,  H04B5/00

CPC classification number: H02J50/80 ,  H02J50/10 ,  H04B1/005 ,  H04B5/0037

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.

公开(公告)号：US11941602B2

公开(公告)日：2024-03-26

申请号：US17597504

申请日：2020-06-29

Applicant: LG ELECTRONICS INC.

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

IPC: H02J50/12 ,  G06Q20/32 ,  H02J50/60 ,  H02J50/40

CPC classification number: G06Q20/32 ,  H02J50/12 ,  H02J50/60 ,  H02J50/40

Abstract: According to an aspect of the present invention, a wireless power reception device includes: a power pick-up circuit which is configured to form magnetic coupling with a wireless power transmission device and receive wireless power from the wireless power transmission device; and a communication/control circuit which is configured to perform at least one among control of the transmission of the wireless power and data transmission and reception on the basis of communication with the wireless power transmission device, wherein the communication/control circuit can receive a check message for checking payment information from the wireless power transmission device and perform a payment procedure for wireless power transmission, and can provide a user interface related to information for the payment procedure.

公开(公告)号：US11916615B2

公开(公告)日：2024-02-27

申请号：US17310089

申请日：2019-12-02

Applicant: LG ELECTRONICS INC.

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

IPC: H04B5/00 ,  H02J50/80 ,  H02J50/10 ,  H04W36/00 ,  H02J7/00 ,  H02J7/02 ,  H02J50/40 ,  H02J50/60

CPC classification number: H04B5/0037 ,  H02J7/00045 ,  H02J7/02 ,  H02J50/10 ,  H02J50/80 ,  H04W36/03 ,  H02J50/40 ,  H02J50/60

Abstract: The present specification relates to a device and method for wirelessly transmitting power on the basis of the reestablishment of out-band communication. The present specification discloses a wireless power receiving device comprising a communication/control circuit configured to carry out the operations of: performing handover from in-band communication using operating frequencies to out-band communication using any frequencies except for the operating frequencies; transmitting power characteristic information to the wireless power transmitting device or receiving power characteristic information from the wireless power transmitting device through the out-band communication before entering a power transmission phase; and saving power state information determined during the power transmission phase. By defining an out-band communication reestablishment protocol for the wireless power transmitting device or wireless power receiving device, it is possible to improve the performance of wireless power transmission throughout-band communication reestablishment that is fast and efficient.

公开(公告)号：US11870271B2

公开(公告)日：2024-01-09

申请号：US17310829

申请日：2020-01-29

Applicant: LG ELECTRONICS INC.

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

IPC: H02J50/10 ,  H02J50/80 ,  H02J50/40 ,  G06F8/65

CPC classification number: H02J50/10 ,  G06F8/65 ,  H02J50/40 ,  H02J50/80

Abstract: The present specification relates to a wireless power transmission apparatus and a wireless power reception apparatus, which can transmit and update firmware of the wireless power transmission apparatus through out-band communication between the wireless power transmission apparatus and the wireless power reception apparatus, and to firmware updating of the wireless power transmission apparatus using out-band communication.

公开(公告)号：US11800340B2

公开(公告)日：2023-10-24

申请号：US17594452

申请日：2020-04-16

Applicant: LG ELECTRONICS INC.

Inventor： Hyeonjae Lee ,  Jinkwon Lim ,  Taeyoung Song

IPC: H04B5/00 ,  H04W4/80 ,  H04W76/14

CPC classification number: H04W4/80 ,  H04B5/0056 ,  H04W76/14

Abstract: A method for receiving audio data using Bluetooth Low Energy technology comprises: receiving, from a server device, a first advertisement message including information for providing an audio streaming service and a second advertisement message including synchronization information for synchronization between the client device and the server device; receiving, from the server device, a third advertisement message including transmission timing information of the audio data related to the audio streaming service, wherein audio data information for providing information on the audio data is included in at least one of the second advertisement message and the third advertisement message; receiving, from the server device, the audio data through isochronous channel; obtaining, from an user, specific information related to whether to permit a provision of the audio streaming service based on the audio data information; and decoding the audio data based on the specific information representing permission to provide the audio data.