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:
Oct. 08, 2019
Filed:
Sep. 18, 2017
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/396 (2019.01); G01R 19/00 (2006.01); H01M 10/48 (2006.01); H02J 7/02 (2016.01); G01R 31/44 (2006.01); H02J 7/00 (2006.01); B60L 3/00 (2019.01); B60L 58/21 (2019.01);
U.S. Cl.
CPC ...
G01R 31/396 (2019.01); B60L 3/0069 (2013.01); B60L 58/21 (2019.02); G01R 19/00 (2013.01); G01R 31/44 (2013.01); H01M 10/48 (2013.01); H01M 10/482 (2013.01); H02J 7/0021 (2013.01); H02J 7/02 (2013.01); B60L 2240/547 (2013.01); Y02T 10/7005 (2013.01); Y02T 10/7055 (2013.01); Y02T 10/7061 (2013.01);
Abstract
A failure in any of first switches is determined based on a voltage value of a battery assembly and a predetermined threshold. The voltage value is retained in a capacitor by turning on or off the first switches and a second switch, and obtained from a voltage detector a voltage value.