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:
Jun. 28, 2016

Filed:

Dec. 09, 2013
Applicant:

Yokogawa Electric Corporation, Musashino-shi, Tokyo, JP;

Inventors:

Satoshi Hamano, Musashino, JP;

Ryuuta Tanaka, Musashino, JP;

Masaru Nakagomi, Musashino, JP;

Satoshi Yoshitake, Musashino, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02J 7/04 (2006.01); G01R 31/36 (2006.01);
U.S. Cl.
CPC ...
G01R 31/362 (2013.01); G01R 31/3651 (2013.01);
Abstract

A secondary-battery maximum-capacity measuring apparatus, includes: a current dependency processing unit configured to convert an inter-terminal voltage and an open cell voltage of a secondary battery into values without depending on a load current based on an amount of change in relative value of a voltage during a time period when a constant current is drawn from the secondary battery; and an error calculation unit configured to compute errors of the inter-terminal voltage and the open cell voltage of the secondary battery, the inter-terminal voltage and the open cell voltage being converted by the current dependency processing unit.


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