公开(公告)号：US20220222064A1

公开(公告)日：2022-07-14

申请号：US17605787

申请日：2020-04-21

Applicant: LG ELECTRONICS INC.

Inventor： Joonho PARK ,  Jinkwon LIM ,  Jingu CHOI

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

Abstract: The present specification relates to wireless power transmission and particularly to a wireless power reception device, wireless power transmission device, method, and system, which can receive and update firmware of a wireless power reception device and/or wireless charging transmission device by using wireless communication. According to the present specification, the firmware of the wireless power reception device and firmware of the wireless power transmission device can be maintained in an up-to-date state.

公开(公告)号：US20220201452A1

公开(公告)日：2022-06-23

申请号：US17594452

申请日：2020-04-16

Applicant: LG ELECTRONICS INC.

Inventor： Hyeonjae LEE ,  Jinkwon LIM ,  Taeyoung SONG

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

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.

公开(公告)号：US20220200661A1

公开(公告)日：2022-06-23

申请号：US17436450

申请日：2020-01-14

Applicant: LG Electronics Inc.

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

IPC: H04B5/00 ,  H02J50/40 ,  H02J50/12 ,  H04W76/30 ,  H04W24/10

Abstract: According to one aspect of the present invention, 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：US20220077893A1

公开(公告)日：2022-03-10

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 ,  H04W36/00 ,  H02J7/02 ,  H02J50/80 ,  H02J50/10 ,  H02J7/00

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：US20180139683A1

公开(公告)日：2018-05-17

申请号：US15570185

申请日：2016-05-02

Applicant: LG ELECTRONICS INC.

Inventor： Younghwan KWON ,  Jinkwon LIM

IPC: H04W40/22 ,  H04L12/741 ,  H04L12/733 ,  H04W4/80

CPC classification number: H04W40/22 ,  H04L45/20 ,  H04L45/74 ,  H04W4/12 ,  H04W4/80 ,  H04W40/02 ,  H04W40/24 ,  H04W84/18

Abstract: The present invention relates to a method and apparatus for transmitting and receiving a message performed by a first relay device in a mesh network of Bluetooth including receiving a first message from at least one device including a first device and a second device, calculating a Hop count with the first device based on the first message, receiving a second message transmitted from a second device to the first device, and the second message includes a first relay value indicating a relay count and a destination address field including an address of a destination device, comparing the first relay value with the Hop count, and dropping or transmitting the second message to one or more neighboring devices according to the result of comparison.

公开(公告)号：US20170116138A1

公开(公告)日：2017-04-27

申请号：US15317902

申请日：2015-06-12

Applicant: LG ELECTRONICS INC.

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

IPC: G06F13/10 ,  G06F13/42

CPC classification number: G06F13/102 ,  G06F13/4282 ,  H04L67/025

Abstract: A method and device for transmitting and receiving data using HDMI (High-Definition Multimedia Interface) are disclosed. The method, if performed by a source device, includes: receiving a request from a sink device to transmit data processing capability information indicating whether the source device is capable of processing user-input data or not; transmitting the data processing capability information to the sink device; and receiving the user-input data from the sink device.

公开(公告)号：US20240405614A1

公开(公告)日：2024-12-05

申请号：US18805733

申请日：2024-08-15

Applicant: LG Electronics Inc.

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

IPC: 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：US20230198318A1

公开(公告)日：2023-06-22

申请号：US17758861

申请日：2020-12-30

Applicant: LG ELECTRONICS INC.

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

IPC: H02J50/80 ,  H02J50/12 ,  H02J7/00

CPC classification number: H02J50/80 ,  H02J50/12 ,  H02J7/00712

Abstract: A wireless power reception device according to an embodiment of the present specification relates to a wireless power reception device for receiving wireless power from a wireless power transmission device, wherein the wireless power reception device can receive additional power from an additional power source in addition to the wireless power, and enters a suspend state for receiving the wireless power transmitted according to a power transfer contract for a predetermined time on the basis of a variation in the additional power while receiving the wireless power from the wireless power transmission device according to the power transfer contract established by the wireless power transmission device.

公开(公告)号：US20230084679A1

公开(公告)日：2023-03-16

申请号：US17794872

申请日：2020-01-29

Applicant: LG ELECTRONICS INC.

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

IPC: H02J50/80 ,  H02J50/90 ,  H02J50/60 ,  H02J50/10

Abstract: The present specification relates to an apparatus and method enabling different types of communication between a wireless power transmission apparatus and a wireless power reception apparatus. The present specification provides a wireless power transmission apparatus, a wireless power transmission method, a wireless power reception apparatus, a wireless power reception method, and a wireless charging system capable of quickly providing a user with information according to a change in a charging status.

公开(公告)号：US20220217617A1

公开(公告)日：2022-07-07

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 ,  H04B5/00 ,  H04W76/10 ,  H02J50/10 ,  H02J50/40

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.