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:
Nov. 11, 2025
Filed:
Feb. 16, 2023
Applicant:
Panasonic Energy Co., Ltd., Osaka, JP;
Inventors:
Assignee:
PANASONIC ENERGY CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 9/06 (2006.01); H02J 7/00 (2006.01); H02M 1/32 (2007.01); H02M 3/335 (2006.01);
U.S. Cl.
CPC ...
H02J 9/061 (2013.01); H02J 7/0047 (2013.01); H02J 7/005 (2020.01); H02M 1/32 (2013.01); H02M 3/33507 (2013.01);
Abstract
A backup power supply includes a battery module including battery cells, a power conversion unit configured to adjust a voltage of an output of the battery module and output the adjusted output to a load, and a health diagnosis circuit for the power conversion unit, the health diagnosis circuit includes a determination circuit configure to diagnose health of the power conversion unit by detecting input power and output power of the power conversion unit and comparing a ratio of the input power and the output power with a threshold.