公开(公告)号：US20170132749A1

公开(公告)日：2017-05-11

申请号：US15318272

申请日：2015-06-11

Applicant: LG ELECTRONICS INC.

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

IPC: G06T1/20 ,  G06F13/40 ,  H04L29/06

CPC classification number: G06T1/20 ,  G06F13/4068 ,  G09G5/006 ,  H04L65/80 ,  H04N21/242 ,  H04N21/254 ,  H04N21/436

Abstract: According to an aspect of the present invention, a method for transmitting and receiving data performed by a source device may include transmitting a readout request for Extended Display Identification Data (EDID) information to a sink device; receiving the EDID information from the sink device; and determining a video timing block based on the EDID information, where the EDID information may include: a Base EDID block including basic resolution information; and a Display Identification Data (DisplayID) structure including at least one of the video timing block including high resolution information and priority information of at least one of the video timing block.

公开(公告)号：US20240356386A1

公开(公告)日：2024-10-24

申请号：US18761129

申请日：2024-07-01

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：US20240030753A1

公开(公告)日：2024-01-25

申请号：US17310168

申请日：2019-10-16

Applicant: LG ELECTRONICS INC.

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

IPC: H02J50/80 ,  H02J50/12 ,  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：US20230208205A1

公开(公告)日：2023-06-29

申请号：US17910517

申请日：2021-03-08

Applicant: LG ELECTRONICS INC.

Inventor： Jinkwon LIM ,  Jingu CHOI ,  Minsoo LEE

IPC: H02J50/80 ,  H04B5/00

CPC classification number: H02J50/80 ,  H04B5/0037 ,  H02J50/12

Abstract: A wireless power reception apparatus according to an embodiment of the present specification comprises: a power pickup circuit for receiving wireless power from a wireless power transmission apparatus via magnetic coupling with the wireless power transmission apparatus at an operating frequency; and a communication/control circuit for controlling reception of the wireless power while communicating with the wireless power transmission apparatus by using at least one of in-band communication using the operating frequency and out-band communication using a frequency other than the operating frequency, wherein the communication/control circuit transmits a request message to the wireless power transmission apparatus during an out-band channel establishment process for the out-band communication, and transmits an error message to the wireless power transmission apparatus, on the basis of a response message regarding the request message being not received from the wireless power transmission apparatus with a certain period of time.

公开(公告)号：US20230134962A1

公开(公告)日：2023-05-04

申请号：US17432322

申请日：2019-07-30

Applicant: LG Electronics Inc.

Inventor： Jinkwon LIM ,  Jaehyu KIM ,  Yongcheol PARK ,  Joonho PARK ,  Taeyoung SONG ,  Jingu CHOI

IPC: H02J50/80 ,  H02J50/12 ,  H04W36/08 ,  G06F3/14

Abstract: The present invention relates to an apparatus and a method for providing charging status information in a wireless power transmission system. Disclosed in the present specification is a wireless power reception device comprising: a power pickup unit configured to receive wireless power from a wireless power transmission device by means of magnetic coupling with the wireless power transmission device at an operational frequency and convert an alternating current signal generated by the wireless power into a direct current signal; a battery configured to receive the direct current signal from the power pickup unit; and a communication/control unit configured to receive the direct current signal from the power pickup unit, perform a handover procedure from in-band communication using the operational frequency to out-band communication using a frequency other than the operational frequency, perform a procedure for selecting a priority display device on which charging status information about the battery is to be displayed through the out-band communication with the wireless power transmission device, and generate the charging status information. A user can conveniently and efficiently check charging status information about a device being charged.

公开(公告)号：US20220312116A1

公开(公告)日：2022-09-29

申请号：US17833547

申请日：2022-06-06

Applicant: LG ELECTRONICS INC.

Inventor： Hyeonjae LEE ,  Minsoo LEE ,  Jinkwon LIM

IPC: H04R3/12 ,  H04R29/00 ,  H04R1/40 ,  H04W4/80

Abstract: The present disclosure relates to a method by which a third device transmits audio data in a short-range wireless communication system, and an apparatus for same. According to the present disclosure, the method comprising: receiving, from a first device and a second device, capability information related to the audio data output capabilities of the first device and the second device; determining, based on the capability information, whether to form a channel for audio data transmission between the first device and the second device; transmitting, to the first device and the second device, setting information for outputting audio data of the first device and the second device, based on the determination result; and transmitting the audio data to the first device and the second device, wherein the positions and the audio data output time points of the first device and the second device are determined based on the setting information.

公开(公告)号：US20220239347A1

公开(公告)日：2022-07-28

申请号：US17616535

申请日：2020-01-30

Applicant: LG Electronics Inc.

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

IPC: H04B5/00 ,  H02J50/40 ,  H02J50/10 ,  H02J50/80

Abstract: The present invention relates to an access control method and device in a wireless power transmission system. A wireless power transmission device comprises: a power conversion circuit configured to have a plurality of primary coils and transmit wireless power to a wireless power reception device by using the primary coil which has formed magnetic coupling to the wireless power reception device at an operating frequency; and a communication/control circuit configured to perform in-band communication with the wireless power reception device by using the operating frequency and perform out-band communication with the wireless power reception device by using a frequency other than the operating frequency, wherein the communication/control circuit can transmit information for notifying whether or not connection to the wireless power reception device is possible by using the out-band communication.

公开(公告)号：US20220123590A1

公开(公告)日：2022-04-21

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 ,  G06F8/65 ,  H02J50/80 ,  H02J50/40

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：US20200186987A1

公开(公告)日：2020-06-11

申请号：US16622082

申请日：2018-06-12

Applicant: LG ELECTRONICS INC.

Inventor： Jingu CHOI ,  Younghwan KWON ,  Jonghyun BAIK ,  Jonghun SONG ,  Jinkwon LIM ,  Hangyu CHO

IPC: H04W4/80 ,  H04W84/18 ,  H04W28/18 ,  H04W40/16 ,  G06F8/65 ,  H04W52/24

Abstract: The present invention relates to a method and an apparatus for transmitting or receiving, by a first manager apparatus, data for provision of a particular service in a mesh network of a wireless communication system. The present invention provides a method and an apparatus for: receiving, from a target apparatus, state information related to update of firmware for providing a particular service; transmitting a request message which requests update of firmware of the target apparatus on the basis of the state information; thereafter, selecting a particular channel from multiple channels for transmission of firmware data, wherein the multiple channels are channels configured to transmit or receive data having a predetermined size or larger; transmitting the firmware data through the particular channel; and receiving, from the target apparatus, a completion message which indicates completion of the update of the firmware, wherein the state information includes a version identifier which indicates the current version of the firmware.

公开(公告)号：US20180352312A1

公开(公告)日：2018-12-06

申请号：US15757924

申请日：2016-09-07

Applicant: LG ELECTRONICS INC.

Inventor： Younghwan KWON ,  Jinkwon LIM ,  Hyunsik YANG ,  Minsoo LEE ,  Jingu CHOI

IPC: H04Q9/04 ,  H04W4/80 ,  H04W8/00 ,  H04W76/14

CPC classification number: H04Q9/04 ,  H04W4/80 ,  H04W8/005 ,  H04W12/06 ,  H04W76/10 ,  H04W76/14 ,  H04W84/18

Abstract: Provided are a method and an apparatus for controlling device using Bluetooth technology. A method of controlling a first device by a control device using Bluetooth includes receiving an advertising message including service information indicating whether a device control service is supported from the first device, establishing a Bluetooth LE connection with the first device when the first device supports the device control service, transmitting a read request message to the first device to request feature information related to a controllable operation mode and procedure supported by the first device, receiving a read response message including the feature information in response to the read request message, transmitting a first write request message for requesting writing of a control characteristic for controlling a specific operation related to pairing and connection of the first device based on the supported feature information, and receiving a first write response message in response to the first write request message. Here, the write request message includes control information related to the specific operation.