公开(公告)号：US20250167831A1

公开(公告)日：2025-05-22

申请号：US19029890

申请日：2025-01-17

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol PARK ,  Jaeyeol KIM ,  Joonho PARK ,  Jeongkyo SEO ,  Gyunghwan YOOK ,  Jaesung LEE

IPC: H04B5/79 ,  G06F21/44 ,  H02J7/00 ,  H02J50/00 ,  H02J50/10 ,  H02J50/12 ,  H02J50/40 ,  H02J50/50 ,  H02J50/60 ,  H02J50/80 ,  H04W52/22 ,  H04W52/28 ,  H04W52/34

Abstract: A method in a wireless power transfer system can include transmitting, to a wireless power transmitter during a ping phase, a response signal in response to a digital ping initiated by the wireless power transmitter, and transmitting, to the wireless power transmitter during a configuration phase, a configuration packet including first control information related to whether the wireless power receiver supports an authentication function. Also, the method can further include receiving, from the wireless power transmitter during a negotiation phase, a capability packet including second control information and a potential power value of the wireless power transmitter, in which the second control information is related to whether the wireless power transmitter supports the authentication function, and receiving power from the wireless power transmitter.

公开(公告)号：US20240204578A1

公开(公告)日：2024-06-20

申请号：US18288938

申请日：2022-05-02

Applicant: LG Electronics Inc.

Inventor： Jaeyeol KIM

IPC: H02J50/80 ,  H02J50/12 ,  H04B5/79 ,  H04L27/10

CPC classification number: H02J50/80 ,  H02J50/12 ,  H04B5/79 ,  H04L27/10

Abstract: The present disclosure provides a wireless power transfer method performed by a wireless power transmitter in a wireless power transmission system, and a device using same, the method comprising: establishing a power transfer contract with a wireless power receiver in a negotiation phase; and transferring the wireless power to the wireless power receiver on the basis of the power transfer contract in a power transfer phase, wherein the wireless power transmitter receives request information from the wireless power receiver in the negotiation phase, the request information includes information on a control error (CE) packet interval, and the wireless power transmitter transmits data to the wireless power receiver on the basis of the CE packet interval in the power transfer phase.

公开(公告)号：US20230261696A1

公开(公告)日：2023-08-17

申请号：US18138443

申请日：2023-04-24

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol PARK ,  Jaeyeol KIM ,  Joonho PARK ,  Jeongkyo SEO ,  Gyunghwan YOOK ,  Jaesung LEE

IPC: H04B5/00 ,  H02J50/80 ,  H02J7/00 ,  G06F21/44 ,  H04W52/22 ,  H04W52/28 ,  H04W52/34

CPC classification number: H04B5/0037 ,  H02J50/80 ,  H02J7/00045 ,  H02J7/00034 ,  G06F21/445 ,  H04W52/223 ,  H04W52/286 ,  H04W52/34 ,  H02J50/005

Abstract: A method in a wireless power transfer system can include, in response to a digital ping initiated by a wireless power transmitter, transmitting to the wireless power transmitter during a ping phase, a response signal. The method can further include transmitting, to the wireless power transmitter during a configuration phase, a configuration packet including first control information related to whether a wireless power receiver supports an authentication function to authenticate the wireless power transmitter; receiving, from the wireless power transmitter during a negotiation phase, a capability packet including second control information and a potential power value of the wireless power transmitter; and transmitting, to the wireless power transmitter during a power transfer phase, an authentication request message.

公开(公告)号：US20220263352A1

公开(公告)日：2022-08-18

申请号：US17735744

申请日：2022-05-03

Applicant: LG ELECTRONICS INC.

Inventor： Jinho YOUN ,  Taewook KWON ,  Jaeyeol KIM ,  Hyoungseok KIM ,  Dohyeon SON

IPC: H02J50/80 ,  H02J50/40 ,  G06F11/00

Abstract: The present disclosure relates to a method and a device for transmitting data in a wireless power transmission system. The method for transmitting data by a wireless power transmitter in a wireless power transmission system may comprise the steps of: receiving from a wireless power receiver, within a first control error interval, a first control error packet containing a control error value with respect to power transmitted from the wireless power transmitter; determining the size of a first data packet on the basis of the length of the first control error interval; and transmitting the first data packet to the wireless power receiver.

公开(公告)号：US20210408838A1

公开(公告)日：2021-12-30

申请号：US16494982

申请日：2018-05-02

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol PARK ,  Jaeyeol KIM ,  Joonho PARK ,  Jeongkyo SEO ,  Gyunghwan YOOK ,  Jaesung LEE

IPC: H02J50/80 ,  H02J7/00 ,  G06F21/44

Abstract: The present invention relates to a device and a method for performing authentication in a wireless power transmission system. Disclosed in the present specification is an authentication method in a wireless power transmission system, comprising the steps of: receiving, from a target device, a first packet including indication information related to whether the target device supports an authentication function; transmitting an authentication request message to the target device if the target device supports the authentication function; receiving, from the target device, an authentication response message including a certificate for wireless charging in response to the authentication request message; and confirming the authentication of the target device on the basis of the authentication response message.

公开(公告)号：US20240088724A1

公开(公告)日：2024-03-14

申请号：US18263068

申请日：2022-01-27

Applicant: LG ELECTRONICS INC.

Inventor： Jinho YOUN ,  Gyunghwan YOOK ,  Yongcheol PARK ,  Jaeyeol KIM

IPC: H02J50/80 ,  H04B5/00

CPC classification number: H02J50/80 ,  H04B5/0037 ,  H02J50/40

Abstract: Provided in the present specification are a method by which a wireless power receiver transmits request information in a wireless power transmission system, and a device, the method comprising: transmitting request information to a wireless power transmitter, the request information including information related to the time during which authority with respect to communication between the wireless power receiver and the wireless power transmitter is changed from the wireless power receiver to the wireless power transmitter; and receiving, from the wireless power transmitter, information related to data during the time.

公开(公告)号：US20230163641A1

公开(公告)日：2023-05-25

申请号：US18153091

申请日：2023-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Jinho YOUN ,  Taewook KWON ,  Jaeyeol KIM ,  Hyoungseok KIM ,  Dohyeon SON

IPC: H02J50/80 ,  H02J50/40 ,  G06F11/00

CPC classification number: H02J50/80 ,  H02J50/40 ,  G06F11/004

Abstract: The present disclosure relates to a method and a device for transmitting data in a wireless power transmission system. The method for transmitting data by a wireless power transmitter in a wireless power transmission system may comprise the steps of: receiving from a wireless power receiver, within a first control error interval, a first control error packet containing a control error value with respect to power transmitted from the wireless power transmitter; determining the size of a first data packet on the basis of the length of the first control error interval; and transmitting the first data packet to the wireless power receiver.

公开(公告)号：US20220346032A1

公开(公告)日：2022-10-27

申请号：US17853137

申请日：2022-06-29

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol PARK ,  Jaeyeol KIM ,  Joonho PARK ,  Jeongkyo SEO ,  Gyunghwan YOOK ,  Jaesung LEE

IPC: H04W52/28 ,  H04W52/22 ,  H04W52/34 ,  H02J50/80 ,  H02J7/00 ,  G06F21/44

Abstract: A wireless power receiver includes a power pickup configured to receive a wireless power from a wireless power transmitter, and a communicator/controller configured to control the wireless power. The wireless power receiver transmits, to the wireless power transmitter during a configuration phase, a configuration packet including an AI flag related to whether the wireless power receiver supports an authentication function, receives, from the wireless power transmitter during a negotiation phase, a capability packet including an AR flag and a potential power value of the wireless power transmitter, wherein the AR flag is related to whether the wireless power transmitter supports the authentication function, and performs a power transfer phase with the wireless power transmitter. The wireless power receiver transmits, to the wireless power transmitter during the power transfer phase, an authentication request message, and receives, from the wireless power transmitter during the power transfer phase, an authentication response message.

公开(公告)号：US20210344235A1

公开(公告)日：2021-11-04

申请号：US17280503

申请日：2019-07-11

Applicant: LG ELECTRONICS INC.

Inventor： Jinho YOUN ,  Taewook KWON ,  Jaeyeol KIM ,  Hyoungseok KIM ,  Dohyeon SON

IPC: H02J50/80 ,  H02J50/40 ,  G06F11/00

Abstract: The present disclosure relates to a method and a device for transmitting data in a wireless power transmission system. The method for transmitting data by a wireless power transmitter in a wireless power transmission system may comprise the steps of: receiving from a wireless power receiver, within a first control error interval, a first control error packet containing a control error value with respect to power transmitted from the wireless power transmitter; determining the size of a first data packet on the basis of the length of the first control error interval; and transmitting the first data packet to the wireless power receiver.

公开(公告)号：US20210320745A1

公开(公告)日：2021-10-14

申请号：US17272768

申请日：2019-09-03

Applicant: LG ELECTRONICS INC.

Inventor： Jaeyeol KIM ,  Hyoungseok KIM ,  Yongcheol PARK ,  Dohyeon SON ,  Jinho YOUN ,  Seonghun LEE

IPC: H04L1/00 ,  H04L1/20 ,  H02J7/02 ,  H02J50/12 ,  H02J50/80

Abstract: The present disclosure relates to an apparatus and a method for supporting an improved communication speed in a wireless power transmission system. In such present specification, provided is the method comprising the steps of: transmitting at least one data packet to a wireless power reception apparatus; receiving, from the wireless power reception apparatus, a first request packet requesting a change in a communication speed of the wireless power transmission apparatus; and changing the communication speed of the wireless power transmission apparatus on the basis of the first request packet, and transmitting, at the changed communication speed, a first response packet in response to the first request packet to the wireless power reception apparatus.