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.:
Date of Patent:
Dec. 10, 2019
Filed:
Apr. 26, 2016
Applicant:
Lg Electronics Inc., Seoul, KR;
Inventors:
Assignee:
LG ELECTRONICS INC., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D 29/00 (2006.01); H02J 9/06 (2006.01); F25B 49/00 (2006.01); G01R 19/04 (2006.01); F25D 21/00 (2006.01);
U.S. Cl.
CPC ...
F25D 29/006 (2013.01); F25B 49/005 (2013.01); G01R 19/04 (2013.01); H02J 9/062 (2013.01); F25B 2600/01 (2013.01); F25B 2700/15 (2013.01); F25D 21/006 (2013.01); F25D 2600/02 (2013.01); Y02B 10/72 (2013.01);
Abstract
A refrigerator according to an embodiment of the present invention includes a power input part through which power is input from a UPS device connected to a commercial power source and an auxiliary power source; a voltage sensor configured to sense a voltage of the power input through the power input part; and a control part configured to analyze a voltage signal sensed by the voltage sensor and to determine whether the input power is commercial power or auxiliary power.