公开(公告)号：US20240421640A1

公开(公告)日：2024-12-19

申请号：US18706317

申请日：2022-11-01

Applicant: LG ELECTRONICS INC.

Inventor： Yongcheol PARK ,  Jinho YOUN

IPC: H02J50/80 ,  H02J50/10 ,  H04B5/79 ,  H04W12/06

Abstract: Provided are: a wireless power transfer method performed in a wireless power transfer system by a wireless power transmitter; and a device using same. The method: performs first authentication with a wireless power receiver in a power transfer phase related to transferring the wireless power; receives authentication token information in the power transfer phase from the wireless power receiver after or during the first authentication; and performs second authentication with the wireless power receiver in a new negotiation phase on the basis of the authentication token information after leaving the power transfer phase.

公开(公告)号：US20240314854A1

公开(公告)日：2024-09-19

申请号：US18263635

申请日：2022-01-28

Applicant: LG ELECTRONICS INC.

Inventor： Minsoo LEE ,  Yongcheol PARK ,  Taewook KWON ,  Gyunghwan YOOK ,  Jinho YOUN

IPC: H04W76/10 ,  H02J50/12 ,  H02J50/80

CPC classification number: H04W76/10 ,  H02J50/12 ,  H02J50/80

Abstract: The present specification provides a method for transmitting an address relating to out-band communication performed by a wireless power receiver in a wireless power transmission system, and a device using same, the method characterized by: transmitting to a wireless power transmitter the address relating to the out-band communication of the wireless power receiver, by means of in-band communication established with the wireless power transmitter; exchanging information relating to scan with the wireless power transmitter prior to the establishment of the out-band communication; and establishing the out-band communication on the basis of the address relating to the out-band communication and the information relating to the scan, wherein the information relating to the scan comprises additional information relating to the wireless power receiver.

公开(公告)号：US20240213817A1

公开(公告)日：2024-06-27

申请号：US18288533

申请日：2022-04-26

Applicant: LG Electronics Inc.

Inventor： Jinho YOUN ,  Gyunghwan YOOK

IPC: H02J50/80 ,  H02J50/12 ,  H02J50/40 ,  H04L27/10

CPC classification number: H02J50/80 ,  H02J50/12 ,  H02J50/40 ,  H04L27/10

Abstract: Provided in the present disclosure are a method by which a wireless power transmitter transmits wireless power in a wireless power transmission system, and a device using same, the method comprising: establishing a power transmission contract with a wireless power receiver in a negotiation phase; and transmitting, to the wireless power receiver, wireless power on the basis of the power transmission contract in a power transmission phase, wherein: the wireless power transmitter receives request information from the wireless power receiver in the negotiation phase; the request information is information related to the unit size of at least one piece of auxiliary data transport (ADT) information transmitted by means of the wireless power transmitter; and the wireless power transmitter transmits, to the wireless power receiver, the at least one piece of ADT information in the power transmission phase on the basis of the information related to the unit size.

公开(公告)号：US20240204577A1

公开(公告)日：2024-06-20

申请号：US18287818

申请日：2022-04-20

Applicant: LG Electronics Inc.

Inventor： Jinho YOUN ,  Gyunghwan YOOK

IPC: H02J50/80 ,  H02J50/12 ,  H02J50/40 ,  H04L27/10

CPC classification number: H02J50/80 ,  H02J50/12 ,  H02J50/40 ,  H04L27/10

Abstract: The present disclosure provides a method for receiving wireless power by a wireless power receiver in a wireless power transmission system and a device using same, the method comprising: in a negotiation phase, transmitting request information to a wireless power transmitter and establishing a power transfer contract with the wireless power transmitter on the basis of the request information; and in a power transfer phase, receiving the wireless power from the wireless power transmitter on the basis of the power transfer contract, wherein the request information comprises information related to the number of cycles of FSK, the wireless power receiver receives data information from the wireless power transmitter through the FSK based on the information related to the number of cycles, and the wireless power receiver decodes the FSK in an interval changing according to the number of cycles.

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：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.

公开(公告)号：US20190207431A1

公开(公告)日：2019-07-04

申请号：US16311976

申请日：2017-07-03

Applicant: LG ELECTRONICS INC.

Inventor： Jinho YOUN ,  Hyokune HWANG

IPC: H02J50/30 ,  H01S3/09 ,  G01V8/16 ,  H02J50/60 ,  H02J7/02 ,  H02J50/90

Abstract: The present specification discloses a wireless power transmission apparatus and a method therefor. Herein, a wireless power transmission apparatus according to one embodiment of the present invention comprises: a laser light source unit; a light output unit for separating and outputting laser light generated in a laser light source into a first laser light for wireless charging and a second laser light for object detection; a light receiving unit for receiving the second laser light; and a light control unit for controlling the output of the first laser light through the second laser light received by the light receiving unit, wherein the light control unit may determine whether an object is detected or not according to the second laser light received by the light receiving unit.