公开(公告)号：US20210204338A1

公开(公告)日：2021-07-01

申请号：US16972893

申请日：2019-09-06

Applicant: LG ELECTRONICS INC.

Inventor： Munyong HAN ,  Woonsuk CHANG

IPC: H04W76/14 ,  H04W72/04 ,  B60L58/10

Abstract: In order to achieve objectives and advantages of the present invention, a wireless battery management system for a vehicle, according to the embodiments of the present invention, comprises: one or more slave battery control units (cell module control, CMC), each comprising a wireless communication module and a battery module; and a master battery control unit (battery master control, BMC) which manages the one or more slave battery control units by being wirelessly connected to the wireless communication module of the one or more slave battery control units, wherein the master battery control unit is configured to transmit an advertisement message set for the one or more slave battery control units, and receive a connection instruction message from the one or more slave battery control units, and wherein the master battery control unit manages the one or more slave battery control units without any confirmation of a version and without any exchange of a separate message regarding a supported function and encryption key exchange, on the basis of the set advertisement message and the connection instruction message.

公开(公告)号：US20230379667A1

公开(公告)日：2023-11-23

申请号：US18248517

申请日：2020-10-23

Applicant: LG ELECTRONICS INC.

Inventor： Munyong HAN

IPC: H04W4/06 ,  H04R1/10

CPC classification number: H04W4/06 ,  H04R1/10 ,  H04L45/74

Abstract: The present disclosure relates to a wireless sound output device and a wireless sound output system including the same. A wireless sound output device according to an embodiment of the present disclosure includes a first audio receiving device to receive data from an audio transmitting device and a second audio receiving device to receive data from the audio transmitting device or from the first audio receiving device. The second audio receiving device transmits response data to the first audio receiving device based on the received data, packet data of a controller layer of the response data includes an access code and a header, the access code includes a device ID, and the header includes type information. Accordingly, data transmission delay between the audio receiving devices can be reduced, and security can be strengthened.

公开(公告)号：US20210281988A1

公开(公告)日：2021-09-09

申请号：US17255812

申请日：2019-09-06

Applicant: LG ELECTRONICS INC.

Inventor： Munyong HAN ,  Jaewook LEE ,  Woonsuk CHANG

IPC: H04W4/48 ,  H04W8/00 ,  B60L58/10

Abstract: In order to achieve the purpose and benefits of the present invention, a wireless battery management system for a vehicle according to embodiments of the present invention includes: one or more cell module control (CMC) units respectively including wireless communication modules; and a battery master control (BMC) unit which is wirelessly connected to the wireless communication modules of the one or more cell module control units and manages the one or more cell module control units, wherein the battery master control unit transmits advertisement data set for the one or more cell module control units, the one or more cell module control units transmit scan request data to the battery master control unit in response to the set advertisement data, the battery master control unit transmits scan response data to the one or more cell module control units in response to the scan request data, and the set advertisement data includes wireless resource allocation information for transmitting the next advertisement data.