公开(公告)号：US20220311479A1

公开(公告)日：2022-09-29

申请号：US17596255

申请日：2019-06-18

Applicant: LG ELECTRONICS INC.

Inventor： Chijun AHN ,  Jinmin KIM ,  Jaewook SONG ,  Jinsoo CHOI

IPC: H04B7/0413 ,  H04B7/0491 ,  H04W74/08 ,  H04W76/14 ,  H04W76/19

Abstract: The present invention relates to a data transmission device and reception device in a wireless AV system. The present specification discloses a wireless data reception device comprising: a communication unit configured to receive data relating to an image from a wireless data transmission device via a wireless channel; a display unit for outputting the image; a processor configured to execute a standby mode in which a wireless data reception device or the wireless data transmission device is deactivated, and a connection reestablishment mode in which, when the wireless data reception device and the wireless data transmission device are activated, a connection setup relating to the wireless data transmission device is performed; and a memory connected to the processor and configured to store data relating to the image according to a command of the processor.