US 12,316,983 B2
Refrigerator
Hyunsung Park, Seoul (KR); Joongkeun Lee, Seoul (KR); and Jeongyo Ha, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 18/023,077
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Sep. 2, 2021, PCT No. PCT/KR2021/011818
§ 371(c)(1), (2) Date Feb. 24, 2023,
PCT Pub. No. WO2022/050705, PCT Pub. Date Mar. 10, 2022.
Claims priority of application No. 10-2020-0111748 (KR), filed on Sep. 2, 2020.
Prior Publication US 2023/0224595 A1, Jul. 13, 2023
Int. Cl. H04N 23/90 (2023.01); F25D 23/02 (2006.01); G06V 10/25 (2022.01); G06V 10/74 (2022.01); H04N 7/18 (2006.01)
CPC H04N 23/90 (2023.01) [F25D 23/025 (2013.01); G06V 10/25 (2022.01); G06V 10/761 (2022.01); H04N 7/181 (2013.01); F25D 2400/36 (2013.01); F25D 2500/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A refrigerator comprising:
a cabinet having a storage space; and
a door configured to open and close the storage space,
wherein the door comprises:
a main door that includes an opening and a door storage;
a sub door configured to open and close the opening of the main door by rotating about a hinge with respect to the main door, the sub door comprising: a door liner having an opening, and a panel assembly to cover the opening of the door liner;
first and second cameras mounted to the door liner of the sub door and spaced apart from each other, the first and second cameras configured to photograph the door storage of the main door when the sub door is opened relative to the main door;
a marker disposed on the main door and configured to be photographed by the first camera mounted to the door liner of the sub door; and
a display configured to display a resultant image based on a plurality of images photographed by the first and second cameras.