公开(公告)号：US11829747B2

公开(公告)日：2023-11-28

申请号：US17605787

申请日：2020-04-21

Applicant: LG Electronics Inc.

Inventor： Joonho Park ,  Jinkwon Lim ,  Jingu Choi

IPC: G06F8/65 ,  H02J50/80 ,  H02J50/10

CPC classification number: G06F8/65 ,  H02J50/10 ,  H02J50/80

Abstract: The present specification relates to wireless power transmission and particularly to a wireless power reception device, wireless power transmission device, method, and system, which can receive and update firmware of a wireless power reception device and/or wireless charging transmission device by using wireless communication. According to the present specification, the firmware of the wireless power reception device and firmware of the wireless power transmission device can be maintained in an up-to-date state.

公开(公告)号：US11791670B2

公开(公告)日：2023-10-17

申请号：US17986595

申请日：2022-11-14

Applicant: LG ELECTRONICS INC.

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

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

CPC classification number: H02J50/80 ,  H02J7/00034 ,  H02J7/00045 ,  H02J50/10

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：US20230179022A1

公开(公告)日：2023-06-08

申请号：US17920104

申请日：2021-04-21

Applicant: LG ELECTRONICS INC.

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

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

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

Abstract: A wireless power transmitter, according to one embodiment of the present specification, comprises: a power converter that transmits wireless power to a wireless power receiver and transmits the wireless power to the wireless power receiver by means of magnetic coupling with the wireless power receiver at an operating frequency; and a controller that communicates with the wireless power receiver and controls the transmission of the wireless power 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, wherein the controller: transmits and receives a message to and from the wireless power receiver by using both the in-band communication and the out-band communication, wherein the controller transmits and receives a message related to detection of foreign substances between the wireless power receiver and the power converter by using the in-band communication, and transmits and receives an authentication related message to and from the wireless power receiver by using the out-band communication.

公开(公告)号：US20230059601A1

公开(公告)日：2023-02-23

申请号：US17794894

申请日：2020-01-29

Applicant: LG ELECTRONICS INC.

Inventor： Jinkwon Lim ,  Minsoo Lee ,  Jingu Choi ,  Jaehyu Kim

IPC: G08B21/18 ,  H02J50/10 ,  H02J50/80

Abstract: The present specification relates to a wireless power transmission device, a wireless power reception device, a wireless power transmission method, a wireless power reception method, and a wireless power transmission system, wherein, when a wireless charging error is determined to have occurred during wireless charging between the wireless charging transmission device and the wireless power reception device, the wireless power transmission device transmits a broadcasting alarm message on the basis of out-of-band communication, the wireless power reception device receives the broadcasting alarm message, and the wireless power reception device can, upon receiving the broadcasting alarm message, transmit the alarm message to a Bluetooth device connected to the wireless power reception device.

公开(公告)号：US20210250879A1

公开(公告)日：2021-08-12

申请号：US16972905

申请日：2019-06-07

Applicant: LG ELECTRONICS INC.

Inventor： Jingu Choi ,  Taeyoung Song ,  Minsoo Lee ,  Jinkwon Lim

IPC: H04W52/38 ,  H04W52/36 ,  H04W52/24 ,  H04W4/80

Abstract: The present disclosure relates to a method and apparatus for controlling a power by using the Bluetooth Low Energy technology performed by a control device. According to the present disclosure, the method and apparatus includes establishing a connection with a first device and a second device through Bluetooth Low Energy (BLE) and receiving, from the first device, a first request message for requesting a transmission power change of the first device.
In addition, the method and apparatus includes receiving, from the second device, a second request message for requesting a transmission power change of the second device and changing a transmission power of the control device to a specific transmission power value based on the first change value and the second change value,

公开(公告)号：US10802558B2

公开(公告)日：2020-10-13

申请号：US15745393

申请日：2016-07-15

Applicant: LG ELECTRONICS INC.

Inventor： Jangwoong Park ,  Jingu Choi

IPC: G06F1/32 ,  G06F1/26 ,  G06F1/28 ,  G06F1/3212

Abstract: A method for supplying power performed by a power provider device including a plurality of ports according to an embodiment of the present invention may include providing power to a plurality of power consumer devices through the plurality of ports which is connected to the plurality of power consumer devices through an HDMI cable; detecting a connection release between a first power consumer device among the plurality of power consumer devices and a port; detecting a second power consumer device which is provided with insufficient power currently among the plurality of power consumer devices; notifying remaining supply power levels that are available to additionally supply to the second power consumer device; receiving a request of a power level that the second power consumer device is to receive among the remaining supply power levels; and supplying the power additionally to the second power consumer device as much as the requested power level.

公开(公告)号：US10681591B2

公开(公告)日：2020-06-09

申请号：US15500322

申请日：2015-05-08

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Lee ,  Jingu Choi

IPC: H04W36/00 ,  H04W76/10 ,  H04W48/14 ,  H04W48/16 ,  H04W48/10 ,  H04W52/02 ,  H04W76/18 ,  H04W76/14 ,  H04W4/80 ,  H04W8/00 ,  H04W92/18 ,  H04W36/14 ,  H04W84/18

Abstract: The present invention relates to a method and an apparatus for establishing a Wi-Fi Direct connection through Bluetooth low energy (LE) technology. According to the present invention, provided are a method including: receiving an advertising message including information associated with Wi-Fi Direct from a second device; transmitting a request message for requesting detailed information of the Wi-Fi Direct to the second device based on the advertising message; receiving a response message including the detailed information in response to the request message; and establishing the Wi-Fi Direct connection with the second device, wherein the advertising message is transmitted through a specific channel for a Bluetooth low energy (LE) connection and the information includes at least one of ID information indicating the Wi-Fi Direct, location information of the detailed information, or available information of an alternative communication means, and an apparatus thereof.

公开(公告)号：US10560974B2

公开(公告)日：2020-02-11

申请号：US16332312

申请日：2017-09-11

Applicant: LG ELECTRONICS INC.

Inventor： Taeyoung Song ,  Jingu Choi ,  Younghwan Kwon

IPC: H04W12/06 ,  H04W76/10 ,  G10L15/22 ,  H04W4/20 ,  G10L15/30 ,  H04W4/80 ,  H04W4/06 ,  H04W88/16

Abstract: Disclosed are a method and an apparatus for selecting and connecting a gateway by a user device by using Bluetooth low energy technology, and a voice recognition system including a first device, a first gateway, and a voice recognition server. The first device broadcasts a voice signal to a neighboring gateway, the voice signal is forwarded to the voice recognition server by neighboring gateways, and the voice recognition server transmits a connection request message to an optimal gateway by processing the voice signal. After authentication of the voice recognition server is performed, the optimal gateway receiving the connection request message and a user device are connected to each other.

公开(公告)号：US10548068B2

公开(公告)日：2020-01-28

申请号：US15500677

申请日：2015-05-11

Applicant: LG ELECTRONICS INC.

Inventor： Jaeho Lee ,  Jingu Choi

IPC: H04W48/14 ,  H04W76/10 ,  H04W48/16 ,  H04W52/02 ,  H04W76/18 ,  H04W76/14 ,  H04W4/80 ,  H04W8/00 ,  H04W36/00 ,  H04W92/18

Abstract: The present invention relates to a method and an apparatus for connecting Bluetooth BR/EDR 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; transmitting a request message for requesting detailed information associated with the Bluetooth BR/EDR connection to the second device based on the advertising message; receiving a response message including the detailed information from the second device in response to the request message; transmitting a connection request message to the second device based on the detailed information; and establishing the Bluetooth BR/EDR LE connection with the second device, wherein the advertising message includes at least one of location information of the detailed information or available information of the Bluetooth BR/EDR.

公开(公告)号：US10251048B2

公开(公告)日：2019-04-02

申请号：US15566067

申请日：2016-04-12

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/00 ,  H04W8/00 ,  H04W48/16 ,  H04W4/80 ,  H04W4/50

Abstract: The present specification relates to a method for performing, by a first device, scanning in a wireless communication system, comprising the steps of: receiving a scan request which orders at least one neighboring device to perform scanning; and performing the scan negotiation procedure with a second device. According to the present specification, it is possible to enable a device with an insufficient energy source to perform a scanning function at lower power than a conventional wireless communication technique by performing a search function by another device.