US 12,449,185 B2
Refrigerator
Joongkeun Lee, Seoul (KR); Hyunsung Park, Seoul (KR); and Jeongyo Ha, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 18/023,503
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Sep. 2, 2021, PCT No. PCT/KR2021/011814
§ 371(c)(1), (2) Date Feb. 27, 2023,
PCT Pub. No. WO2022/050702, PCT Pub. Date Mar. 10, 2022.
Claims priority of application No. 10-2020-0111742 (KR), filed on Sep. 2, 2020.
Prior Publication US 2023/0314063 A1, Oct. 5, 2023
Int. Cl. F25D 23/02 (2006.01); F25D 29/00 (2006.01)
CPC F25D 23/028 (2013.01) [F25D 29/005 (2013.01); F25D 2500/06 (2013.01); F25D 2700/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A refrigerator comprising:
a cabinet defining a main storage space;
a first door and a second door configured to open and close the main storage space, the second door being spaced apart from the first door in a horizontal direction and including:
a main door defining a door storage space, and
a sub door configured to open and close the door storage space and to be rotatable with respect to the main door, and including:
a door liner having an opening, and
a panel assembly configured to cover the opening;
first and second cameras provided on the door liner of the sub door and configured to photograph the door storage space;
a third camera provided on the cabinet and configured to photograph the main storage space; and
a controller connected via a hub to the first camera and the third camera and connected to the second camera independently of the hub.