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.

Date of Patent:
Feb. 05, 2019

Filed:

Nov. 08, 2016
Applicant:

Fujitsu Ten Limited, Kobe-shi, Hyogo, JP;

Inventors:

Shota Kawanaka, Kobe, JP;

Sho Tamura, Kobe, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/26 (2014.01); B60L 11/18 (2006.01); G01R 31/327 (2006.01); G01R 31/36 (2006.01); G01R 31/00 (2006.01);
U.S. Cl.
CPC ...
G01R 31/2607 (2013.01); B60L 11/1809 (2013.01); B60L 11/1861 (2013.01); G01R 31/3277 (2013.01); G01R 31/3658 (2013.01); B60L 11/1803 (2013.01); G01R 31/007 (2013.01);
Abstract

A power supply monitoring apparatus includes: a plurality of power supplies that are connected in series; and a capacitor that is connected to each of positive and negative electrodes of the plurality of power supplies via a plurality of switch elements. The power supply monitoring apparatus determines states of the plurality of switch elements, using a voltage value of the capacitor that is acquired when a first switch element of the plurality of switch elements is turned on, the first switch element being connected to one of a total negative-electrode side and a total positive-electrode side of the plurality of power supplies.


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