US 11,854,382 B2
Audio/video transmitting device and audio/video receiving device
Daesub Song, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Oct. 1, 2021, as Appl. No. 17/449,712.
Claims priority of application No. PCT/KR2021/012261 (WO), filed on Sep. 9, 2021.
Prior Publication US 2023/0074767 A1, Mar. 9, 2023
Int. Cl. G08C 23/04 (2006.01); H04L 12/10 (2006.01); H04B 1/06 (2006.01)
CPC G08C 23/04 (2013.01) [H04B 1/06 (2013.01); H04L 12/10 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An Audio/Video (A/V) receiving device comprising:
a Radio Frequency (RF) receiving module configured to receive A/V data from an A/V transmitting device through a first frequency band;
an infrared (IR) module configured to receive a power control signal from a remote control device;
a wireless receiving module configured to communicate with a wireless transmitting module of the A/V transmitting device through a second frequency band; and
a microcomputer configured to:
receive a power off control signal from the remote control device;
transmit the power off signal to the wireless transmitting module through the wireless receiving module to cause the wireless transmitting module to power off; and
turn off power of the A/V receiving device according to the power control signal received from the remote control device after transmitting the power off signal to the wireless transmitting module.