US 12,328,470 B2
A/V reception device and wireless display system
Jungkyu Park, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 18/550,893
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed May 24, 2021, PCT No. PCT/KR2021/006460
§ 371(c)(1), (2) Date Sep. 15, 2023,
PCT Pub. No. WO2022/250174, PCT Pub. Date Dec. 1, 2022.
Prior Publication US 2024/0163507 A1, May 16, 2024
Int. Cl. H04N 21/4363 (2011.01); H04L 12/18 (2006.01)
CPC H04N 21/43637 (2013.01) [H04L 12/1868 (2013.01); H04L 12/189 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An A/V (Audio/Video) receiving device, comprising:
a display;
a RF receiving module configured to receive a Radio Frequency (RF) packet from an A/V transmitting device; and
a microcomputer configured to:
when an abnormality occurs in an original RF signal included in the received RF packet, obtain a backup signal included in the RF packet and having the same identifier as the original RF signal,
restore the obtained backup signal, and
output the backup signal to the display.