US 12,120,330 B2
Image transmission device and image reception device
Dongsung Kim, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 18/021,119
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Aug. 25, 2020, PCT No. PCT/KR2020/011337
§ 371(c)(1), (2) Date Feb. 13, 2023,
PCT Pub. No. WO2022/045389, PCT Pub. Date Mar. 3, 2022.
Prior Publication US 2023/0300355 A1, Sep. 21, 2023
Int. Cl. H04N 19/42 (2014.01); H04B 7/06 (2006.01); H04N 5/58 (2006.01); H04N 21/422 (2011.01); H04N 21/436 (2011.01); H04N 21/4363 (2011.01); H04N 21/4402 (2011.01); H04N 21/443 (2011.01)
CPC H04N 19/42 (2014.11) [H04B 7/0608 (2013.01); H04N 5/58 (2013.01); H04N 21/4363 (2013.01); H04N 21/4436 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An image transmission device comprising: a content compression unit configured to compress an image signal; a wireless transmission unit configured to wirelessly transmit the compressed image signal to an image reception device; and a processor configured to: switch a power mode of the image transmission device to a low power mode based on a determination that an image signal is not being received from an external source; and control the content compression unit to increase a compression rate of the image signal in the low power mode, wherein an image signal corresponding to a background image is transmitted to the image reception device when the image signal is not being received, and is subject for increasing the compression rate.