US 12,253,247 B2
Home appliance and control method therefor
Jeongkil Kim, Seoul (KR); Wanglim Lee, Seoul (KR); and Seongho Jeong, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Jul. 23, 2024, as Appl. No. 18/780,822.
Application 18/780,822 is a continuation of application No. 17/787,164, granted, now 12,078,332, previously published as PCT/KR2020/000702, filed on Jan. 14, 2020.
Claims priority of application No. 10-2019-0171278 (KR), filed on Dec. 19, 2019; and application No. 10-2020-0002284 (KR), filed on Jan. 7, 2020.
Prior Publication US 2024/0377053 A1, Nov. 14, 2024
Int. Cl. F21V 23/04 (2006.01); A47L 15/00 (2006.01); A47L 15/42 (2006.01); A47L 15/46 (2006.01); D06F 33/43 (2020.01); D06F 34/14 (2020.01); D06F 39/14 (2006.01); D06F 101/00 (2020.01); D06F 105/00 (2020.01); F24C 15/00 (2006.01); F24C 15/04 (2006.01); F25D 23/02 (2006.01); F25D 27/00 (2006.01); G01P 15/18 (2013.01)
CPC F21V 23/0485 (2013.01) [A47L 15/0057 (2013.01); A47L 15/4257 (2013.01); A47L 15/46 (2013.01); A47L 2301/08 (2013.01); A47L 2501/36 (2013.01); D06F 33/43 (2020.02); D06F 34/14 (2020.02); D06F 39/14 (2013.01); D06F 2101/00 (2020.02); D06F 2105/00 (2020.02); F24C 15/008 (2013.01); F24C 15/04 (2013.01); F25D 23/02 (2013.01); F25D 27/005 (2013.01); G01P 15/18 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An oven comprising:
a reception space configured to receive objects therein;
a heater configured to heat the reception space;
a door configured to open/close an open surface of the reception space, the door having a viewing window provided at the door;
a lamp configured to illuminate an inside of the reception space;
a sensor assembly configured to output a knock-on signal based on detecting a user's knock; and
a controller configured to turn on/off the lamp based on the knock-on signal output by the sensor assembly,
wherein based on a present state of the oven corresponding to at least any one of a plurality of preset exceptional situations, the controller is configured to not turn on/off the lamp regardless of the knock-on signal being output.