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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12173878 B1

PDFFull Text
Date of Patent:
Dec. 24, 2024

Filed:

Jan. 14, 2020

Home appliance provided with viewing window

Applicant:

Lg Electronics Inc., Seoul, KR;

Inventors:

Jeongkil Kim, Seoul, KR;

Wanglim Lee, Seoul, KR;

Seongho Jeong, Seoul, KR;

Assignee:

LG Electronics Inc., Seoul, KR;

Attorney:

Fish & Richardson P.C.

Primary Examiner:

Hoi C Lau

Int. Cl.
CPC ...
F21V 23/04 (2006.01); F21V 33/00 (2006.01); G01P 15/18 (2013.01); A47L 15/42 (2006.01); A47L 15/46 (2006.01); D06F 34/14 (2020.01); D06F 39/14 (2006.01); D06F 101/00 (2020.01); D06F 103/00 (2020.01); D06F 105/00 (2020.01); F21W 131/305 (2006.01); F21W 131/307 (2006.01); F24C 15/00 (2006.01); F25D 27/00 (2006.01);
U.S. Cl.
CPC ...
F21V 23/0471 (2013.01); F21V 33/0044 (2013.01); G01P 15/18 (2013.01); A47L 15/4257 (2013.01); A47L 15/4274 (2013.01); A47L 15/46 (2013.01); A47L 2301/08 (2013.01); A47L 2401/32 (2013.01); A47L 2501/36 (2013.01); D06F 34/14 (2020.02); D06F 39/14 (2013.01); D06F 2101/00 (2020.02); D06F 2103/00 (2020.02); D06F 2105/00 (2020.02); F21W 2131/305 (2013.01); F21W 2131/307 (2013.01); F24C 15/008 (2013.01); F25D 27/005 (2013.01);
Abstract

Proposed is a home appliance that includes a cabinet defining an exterior of the home appliance, a reception space defined inside the cabinet and configured to receive objects in the reception space, a door configured to open and close an open surface of the reception space, the door having a viewing window provided at the door, a sensor assembly configured to detect each of a plurality of vibrations transmitted in three axial directions orthogonal to each other and to determine whether one or more of the plurality of vibrations is generated by a user's knock, a lamp configured to illuminate an inside of the reception space, and a controller configured to turn on/off the lamp based on a knock-on signal output by the sensor assembly.

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