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：US20210045032A1

公开(公告)日：2021-02-11

申请号：US16965962

申请日：2019-01-29

Applicant: LG ELECTRONICS INC.

Inventor： Jingu CHOI ,  Taeyoung SONG ,  Hyeonjae LEE

IPC: H04W36/30 ,  H04W4/80

Abstract: Provided in the present specification is a method by which a user device performs a handover in a wireless communication system. Particularly, the method by which a user device performs a handover comprises the steps of: connecting by Bluetooth with a first target device on the basis of first authentication information; measuring a first link state between the user device and the first target device; measuring a second link state between the user device and the second target device; determining whether to perform a handover for the second target device on the basis of the first link state and the second link state; and performing a Bluetooth connection procedure with the second target device when performance of the handover for the second target device is determined, wherein second authentication information for the Bluetooth connection procedure with the second target device is the same as the first authentication information for the Bluetooth connection with the first target device.

公开(公告)号：US20200275250A1

公开(公告)日：2020-08-27

申请号：US16495046

申请日：2018-03-19

Applicant: LG ELECTRONICS INC.

Inventor： Jingu CHOI ,  Jonghyun BAIK ,  Taeyoung SONG ,  Minsoo LEE

IPC: H04W4/80 ,  H04W4/23 ,  H04W12/04 ,  H04W4/12 ,  H04B17/318 ,  H04W12/00 ,  G10L15/22

Abstract: Disclosed herein is a method and apparatus for processing A first device for processing a voice command received from at least one device using a Bluetooth low energy technology, comprising: Specifically, a method performed by a first device includes transmitting a first advertising message to a peripheral device; receiving a first request message requesting establishment of an audio channel for transmitting and receiving the voice command from a second device; establishing the audio channel with the second device; and receiving a voice command instructing performance of a particular service from the second device through the audio channel.

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：US20170215113A1

公开(公告)日：2017-07-27

申请号：US15500422

申请日：2015-05-08

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho LEE ,  Jingu CHOI

IPC: H04W36/00 ,  H04W4/00 ,  H04W8/00 ,  H04W48/14 ,  H04W52/02

CPC classification number: H04W36/0066 ,  H04W4/80 ,  H04W8/005 ,  H04W36/03 ,  H04W36/14 ,  H04W48/14 ,  H04W52/0212 ,  H04W52/0216 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/162 ,  Y02D70/166 ,  Y02D70/168 ,  Y02D70/22

Abstract: The present invention relates to a method and an apparatus for discovering and connecting an alternative communication means by using Bluetooth low energy (LE) technology. According to the present invention, provided are a method including: receiving an advertising message from a second device; requesting additional information of the alternative communication means based on the advertising message to the second device; receiving the additional information of the alternative communication means from the second device in response to the request message; and performing handover to the second device and the alternative communication means based on the additional information, and the advertising message includes at least one of an alternative communication means ID, location information of the additional information, or available information of the alternative communication means, and an apparatus.

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：US20160142865A1

公开(公告)日：2016-05-19

申请号：US14899671

申请日：2014-06-20

Applicant: LG ELECTRONICS INC.

Inventor： Jangwoong PARK ,  Jingu CHOI ,  Hyeonjae LEE ,  Minsoo LEE

IPC: H04W4/00 ,  H04L29/06

CPC classification number: H04W4/008 ,  H04L65/1083 ,  H04W4/80

Abstract: A wireless communication system plays multimedia content using Bluetooth communication. The wireless communication system includes receiving a request message related to allowing streaming of second multimedia content of a second source device from the sink device by a first source device streaming first multimedia content; determining whether to allow streaming of the second multimedia content of the second source device; transmitting a response message including a determination result for whether to allow streaming of the second multimedia content to the sink device in response to the request message; transmitting a message for stopping streaming of the second multimedia content to the sink device, when the first source device allows streaming of the second multimedia content; and receiving a streaming stop response message from the sink device responsive to the streaming stop message. The request message includes one of a name, MAC address, and ID of the second source device.

Abstract translation: 无线通信系统使用蓝牙通信播放多媒体内容。 所述无线通信系统包括：通过流式传输第一多媒体内容的第一源设备接收与允许来自所述宿设备的第二源设备的第二多媒体内容的流传输相关的请求消息; 确定是否允许第二源设备的第二多媒体内容的流传输; 响应于所述请求消息，发送响应消息，该响应消息包括是否允许将所述第二多媒体内容流传输到所述宿设备的确定结果; 当所述第一源设备允许所述第二多媒体内容的流传输时，发送用于停止所述第二多媒体内容的流传输到所述宿设备的消息; 以及响应于流停止消息从宿设备接收流停止响应消息。 请求消息包括第二源设备的名称，MAC地址和ID中的一个。