公开(公告)号：US12237697B2

公开(公告)日：2025-02-25

申请号：US17607973

申请日：2020-03-05

Applicant: LG Electronics Inc.

Inventor： Minsoo Lee ,  Jinkwon Lim ,  Jingu Choi

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

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：US12095524B2

公开(公告)日：2024-09-17

申请号：US17296186

申请日：2019-08-06

Applicant: LG ELECTRONICS INC.

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

IPC: H04B5/00 ,  H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H04W36/00 ,  H04W76/10

CPC classification number: H04B5/0037 ,  H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H04B5/0031 ,  H04W36/00 ,  H04W76/10

Abstract: The present invention relates to a device and a method for performing wireless power transfer on the basis of heterogeneous communication. Disclosed in the present specification is a wireless power receiving device comprising: a power pickup unit configured to receive wireless power from a wireless power transfer device by magnetically coupling with the wireless power transfer device at an operating frequency, and convert an alternating current signal generated by the wireless power into a direct current signal; a communication/control unit configured to receive the direct current signal from the power pickup unit, and perform an in-band communication using the operating frequency and/or an out-band communication using a frequency other than the operating frequency; and a load configured to receive the direct current signal from the power pickup unit. Configuration information, control information and management information related to wireless power transfer, and procedures related to the exchange thereof are defined as an out-band communication protocol, and thus various applications of wireless power can be supported.

公开(公告)号：US12095284B2

公开(公告)日：2024-09-17

申请号：US18018679

申请日：2021-07-30

Applicant: LG Electronics Inc.

Inventor： Jinho Youn ,  Jingu Choi ,  Gyunghwan Yook ,  Yongcheol Park

IPC: H02J50/12 ,  H02J50/20 ,  H02J50/80 ,  H04W4/80

CPC classification number: H02J50/12 ,  H02J50/20 ,  H02J50/80 ,  H04W4/80

Abstract: A wireless power receiving device according to one embodiment of the present specification comprises: a power pickup circuit for receiving wireless power from a wireless power transmitting device; and a communication/control circuit for communicating with the wireless power transmitting device by using in-band communication using a power signal of the wireless power and/or out-band communication, which is wireless communication that differs from the in-band communication, and for controlling the reception of the wireless power, wherein the communication/control circuit terminates the connection of the out-band communication on the basis of the removal of the power signal from the wireless power transmitting device in a state in which the connection of the wireless power transmitting device and the out-band communication is established.

公开(公告)号：US12088123B2

公开(公告)日：2024-09-10

申请号：US17919707

申请日：2021-04-20

Applicant: LG ELECTRONICS INC.

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

IPC: H02J50/80 ,  H02J50/10 ,  H02J50/12 ,  H02J50/15 ,  H02J50/20 ,  H02J50/40 ,  H04B5/79 ,  H04W12/06

CPC classification number: H02J50/80 ,  H02J50/12 ,  H02J50/40 ,  H04B5/79 ,  H04W12/06 ,  H02J50/10 ,  H02J50/15 ,  H02J50/20

Abstract: A wireless power reception device according to an embodiment of the present specification comprises a controller for: receiving wireless power from a wireless power transmission device, and performing power pickup for receiving the wireless power from the wireless power transmission device by magnetic coupling with the wireless power transmission device at an operating frequency; and communicating with the wireless power transmission device 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, and controlling reception of the wireless power, wherein, in the power transmission step of receiving the wireless power, the controller transmits or receives, using the in-band communication, a message for controlling the wireless power, and transmits or receives, using the out-band communication, an authentication message for authentication of the wireless power transmission device.

公开(公告)号：US20230422323A1

公开(公告)日：2023-12-28

申请号：US18037236

申请日：2021-11-16

Applicant: LG ELECTRONICS INC.

Inventor： Hyeonjae Lee ,  Minsoo Lee ,  Jingu Choi

IPC: H04W76/14

CPC classification number: H04W76/14

Abstract: Provided are a method for transmitting isochonous data in a short-distance wireless communication system, and an apparatus therefor.
More specifically, the method for transmitting, by a slave device, isochronous data in a short-distance wireless communication system includes: establishing a connection with a master device to transmit the isochronous data to the master device; and transmitting, to the master device, the isochronous data through a channel for transmission of the isochronous data, based on the established connection, and the transmission of the isochronous data through the channel is performed based on a periodically allocated transmission interval, and the isochronous data is data generated based on a user input.

公开(公告)号：US11178716B2

公开(公告)日：2021-11-16

申请号：US16637726

申请日：2018-08-07

Applicant: LG ELECTRONICS INC.

Inventor： Jonghyun Baik ,  Jingu Choi

IPC: H04W4/00 ,  H04W76/19 ,  H04W76/14 ,  H04W4/80 ,  H04W28/18 ,  H04W40/24

Abstract: The present disclosure relates to a method and an apparatus for establishing a reconnection between devices by using Bluetooth low energy (LE). In particular, a method performed by a first device comprises the steps of: performing a reconnection parameter negotiation procedure with a second device; transmitting, via a channel determined on the basis of a result of the negotiation procedure, to the second device, a trigger sequence including at least one trigger codeword for requesting the reconnection; and receiving a beacon from the second device in response to the trigger sequence, wherein when the beacon is received, the reconnection between the first device and the second device may be established.

公开(公告)号：US10917920B2

公开(公告)日：2021-02-09

申请号：US15573733

申请日：2016-05-13

Applicant: LG ELECTRONICS INC.

Inventor： Hyeonjae Lee ,  Jingu Choi

IPC: H04B7/00 ,  H04W76/10 ,  H04W8/00 ,  H04W76/30 ,  H04W4/80 ,  H04W72/04 ,  H04W52/02

Abstract: The present invention relates to a method for transmitting and receiving data performed by a first device that receives service list information through Bluetooth Low Energy (LE). The present invention provides a method and apparatus including receiving an advertising message for discovering a second device from the second device, establishing a Bluetooth LE connection with the second device based on the advertising message, transmitting a first request message requesting connection information for establishing the Bluetooth BR/EDR connection with the second device through the Bluetooth LE, receiving a first response message including the connection information from the first device, and establishing a Bluetooth BR/EDR connection for providing a specific service with the second device.

公开(公告)号：US10524298B2

公开(公告)日：2019-12-31

申请号：US15572284

申请日：2016-05-04

Applicant: LG ELECTRONICS INC.

Inventor： Jingu Choi ,  Joonkie Kim ,  Younghun Nam ,  Jangwoong Park ,  Minsoo Lee ,  Younghwan Kwon

IPC: H04W8/00 ,  H04W76/10 ,  H04W76/14 ,  H04W92/18 ,  H04W4/00

Abstract: The present invention relates to a method and apparatus for a device to set advertising messages on Bluetooth LE (Low Energy), wherein: a gostof the device transmits to a controller of the device a first parameter-setting command for setting parameters of two or more advertising messages, and receives, as a response to the parameter-setting command from the controller, a first completion command indicating that the parameter setting has been completed; the host transmits to the controller a first data-setting command for setting first data including the two or more advertising messages, and receives, as a response to the data-setting command from the controller, a second completion command indicating that the data setting has been completed; and the host transmits to the controller a first instruction command instructing transmission of the two or more advertising messages.

公开(公告)号：US09986291B2

公开(公告)日：2018-05-29

申请号：US14904047

申请日：2014-07-10

Applicant: LG ELECTRONICS INC.

Inventor： Sunghyun Cho ,  Jingu Choi ,  Youngjun Jo ,  Soyoung Kim ,  Youngwook Kang

IPC: H04N7/167 ,  H04N21/4627 ,  H04N21/4405 ,  H04N21/835 ,  G06F21/00 ,  H04N21/258 ,  H04N21/254 ,  H04N21/418 ,  H04N21/433 ,  H04N21/6334

CPC classification number: H04N21/4627 ,  G06F21/00 ,  H04N21/2541 ,  H04N21/25816 ,  H04N21/25858 ,  H04N21/4184 ,  H04N21/433 ,  H04N21/4405 ,  H04N21/6334 ,  H04N21/835

Abstract: A method for managing license information for playback of content, includes transmitting certificate information of a storage device to a license serve, updating a certificate revision list received from the license server on the basis of the certificate information, receiving encrypted license information allowing the content to be played through a first session established between the storage device and the license server, the first session being identified by session identification information, and decrypting the encrypted license information and storing the decrypted license information to a secure region.

公开(公告)号：US09961484B2

公开(公告)日：2018-05-01

申请号：US15412829

申请日：2017-01-23

Applicant: LG ELECTRONICS INC.

Inventor： Jingu Choi ,  Byungjoo Lee ,  Younghwan Kwon ,  Minsoo Lee ,  Hyeonjae Lee

IPC: H04B7/00 ,  H04M1/00 ,  H04W4/00 ,  H04W76/02 ,  H04W8/00 ,  H04W12/06 ,  H04W12/04 ,  H04W84/12

CPC classification number: H04W4/80 ,  H04W8/005 ,  H04W12/04 ,  H04W12/06 ,  H04W76/11 ,  H04W76/14 ,  H04W84/12

Abstract: Disclosed are a method and apparatus for forming, by a first device, forming a Wi-Fi connection with a second device using Bluetooth LE in a wireless communication system, including receiving an advertising message from the second device, forming a Bluetooth LE connection with the second device based on the advertising message, transmitting a first write request message to the second device requesting writing of authentication information necessary for performing Wi-Fi authentication with the third device, wherein the first write request message including the authentication information, receiving a write response message from the second device as a response to the first write request message, and sending a second write request message to request the writing of Opcode indicating a Wi-Fi connection with the third device to the second device. The second write request message includes identification information for identifying the third device, and the Wi-Fi connection is formed between the second and the third devices based on the authentication information.