公开(公告)号：US20220158504A1

公开(公告)日：2022-05-19

申请号：US17593399

申请日：2020-03-23

Applicant: LG ELECTRONICS INC.

Inventor： Joonho PARK ,  Jinkwon LIM ,  Jingu CHOI

IPC: H02J50/80 ,  H02J50/12 ,  H02J50/20 ,  H04B5/00

Abstract: The present specification relates to a device and method capable of in-band communication and out-band communication between a wireless power transmitting device and a wireless power receiving device. The present specification provides a wireless power transmitting device, a wireless power transmitting method, a wireless power receiving device, a wireless power receiving method, and a wireless charging system capable of preventing cross connection when connecting out-band communication by exchanging necessary information by using in-band communication.

公开(公告)号：US20220085667A1

公开(公告)日：2022-03-17

申请号：US17423844

申请日：2019-11-12

Applicant: LG ELECTRONICS INC.

Inventor： Joonho PARK ,  Jinkwon LIM ,  Jingu CHOI ,  Yongchepol PARK

IPC: H02J50/80 ,  H02J50/10 ,  H02J7/00

Abstract: The present specification relates to a device and method for supporting heterogeneous communication in a wireless power transfer system. The present specification discloses a wireless power reception device comprising: a power pickup circuit configured to receive, from a wireless power transfer device, wireless power generated on the basis of magnetic coupling in a power transfer phase; and a communication and control circuit configured to transmit, to the wireless power transfer device, a first random address packet including a random address of the wireless power reception device or receive, from the wireless power transfer device, a second random address packet including a random address of the wireless power transfer device via in-band communication. By performing a handover using a random address, cross reference can be prevented and security can be enhanced, and thus a BLE connection in a wireless charging system can be more safely performed.

公开(公告)号：US20220069631A1

公开(公告)日：2022-03-03

申请号：US17310110

申请日：2019-10-02

Applicant: LG ELECTRONICS INC.

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

IPC: H02J50/40 ,  H02J50/12 ,  H02J7/02 ,  H02J50/80 ,  H04B5/00

Abstract: The present disclosure relates to a device and method for wireless power transfer to multiple devices using a multi-coil. The device disclosed in the specification comprises: a power pickup unit configured to receive wireless power from a wireless power transfer device having a plurality of primary coils at an operation frequency by magnetic coupling to the wireless power transfer device and convert an alternating current signal generated by the wireless power into a direct current signal; a communication/control unit including an in-band communication module configured to be supplied with the direct current signal from the power pickup unit and perform communication with the wireless power transfer device by using the operating frequency, and an out-band communication module configured to perform communication with the wireless power transfer device by using a frequency other than the operating frequency; and a load configured to be supplied with the direct current signal from the power pickup unit. In a one-to-multiple wireless power transfer system using a multi-coil, various applications of wireless power can be efficiently supported by defining configuration information, control information, management information, and procedures for the exchanges thereof as an out-band communication protocol.

公开(公告)号：US20220014234A1

公开(公告)日：2022-01-13

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 ,  H04W76/10 ,  H02J50/12 ,  H02J50/80 ,  H02J50/40

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：US20210168559A1

公开(公告)日：2021-06-03

申请号：US16633941

申请日：2018-07-25

Applicant: LG ELECTRONICS INC.

Inventor： Jinkwon LIM ,  Taeyoung SONG

IPC: H04W4/024 ,  H04W4/80 ,  H04W4/029 ,  G01S19/11 ,  G01S19/34

Abstract: The present invention relates to a method and apparatus for setting a path by a terminal together with a navigation device in a wireless communication system. The present invention provides a method and apparatus for: acquiring, from a user, destination information indicating a destination; setting a path to the destination on the basis of the destination information; establishing a connection with the navigation device through Bluetooth low energy (LE); receiving, from the navigation device, a request message requesting global positioning system (GPS) information for providing a navigation service on the basis of the set path; and transmitting a response message including the GPS information to the navigation device.

公开(公告)号：US20190159030A1

公开(公告)日：2019-05-23

申请号：US16314378

申请日：2017-06-30

Applicant: LG ELECTRONICS INC.

Inventor： Jinkwon LIM ,  Jingu CHOI ,  Younghwan KWON ,  Taeyoung SONG ,  Minsoo LEE

IPC: H04W12/06 ,  H04W4/80 ,  H04W76/14 ,  H04W68/00 ,  H04W12/04 ,  H04L9/30

Abstract: Disclosed is an authentication method and system for a device using a Bluetooth technology. A method for performing authentication by a first device, using Bluetooth low energy (LE), according to an embodiment of the present invention comprises: authenticating a user on the basis of ID information of the user; and authenticating a device by comparing information acquired from a user input with information acquired using an exchanged public key. The authentication scheme for a device is determined according to the input/output capability of the device.

公开(公告)号：US20180007427A1

公开(公告)日：2018-01-04

申请号：US15532753

申请日：2015-12-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/4363 ,  H04N21/64 ,  H04N21/422 ,  H04N21/435 ,  H04N21/858 ,  H04N21/643

CPC classification number: H04N21/43635 ,  G09G5/006 ,  G09G2370/047 ,  G09G2370/06 ,  G09G2370/10 ,  G09G2370/12 ,  G09G2370/20 ,  H04N21/422 ,  H04N21/435 ,  H04N21/436 ,  H04N21/64 ,  H04N21/64322 ,  H04N21/8586

Abstract: A data transmission and reception method for a sink device which is connected to a plurality of source devices by means of a high definition multimedia interface (HDMI), according to an embodiment of the present invention, comprises the steps of: receiving an allocation of an internet protocol (IP) address; transmitting device information about a sink device to a control point through a network; and transmitting service information about a supportable service by the sink device to the control point through the network.

公开(公告)号：US20170201854A1

公开(公告)日：2017-07-13

申请号：US15406115

申请日：2017-01-13

Applicant: LG ELECTRONICS INC.

Inventor： Jingu CHOI ,  Jangwoong PARK ,  Younghwan KWON ,  Taeyoung SONG ,  Hyeonjae LEE ,  Jinkwon LIM

IPC: H04W4/00 ,  H04W72/04

CPC classification number: H04W4/80 ,  H04W72/0406 ,  H04W84/18

Abstract: Disclosed is a method of a first device being controlled by a control device in a group including the first device and a plurality of devices in a Bluetooth mesh network and a device performing the method. The method includes joining the Bluetooth mesh network, receiving a control message instructing the execution of a specific operation from the control device, and performing the specific operation based on the control message. The specific operation may be sequentially performed by the first device and the plurality of devices.

公开(公告)号：US20170134799A1

公开(公告)日：2017-05-11

申请号：US15317871

申请日：2015-06-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/443 ,  H04N21/4363 ,  H04N21/439

CPC classification number: H04N21/443 ,  H04N21/436 ,  H04N21/43635 ,  H04N21/439 ,  H04N21/4516

Abstract: A method for processing data by a source device which transmits an object-based audio (OBA) using a high definition media interface (HDMI), includes when a sink device is connected, requesting the sink device to read an enhanced extended display identification data (E-EDID), receiving an E-EDID including OBA-processing information of the sink device from the sink device, the OBA processing information including at least one of capability information indicating capability of processing the OBA and property information required for processing the OBA, and determining whether the sink device is capable of processing the OBA based on the OBA processing information.