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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.:

US 5861732 B1

PDFFull Text
Date of Patent:
Jan. 19, 1999

Filed:

Oct. 09, 1997

Battery charging apparatus

Applicant:
Inventors:

Hiroyuki Takimoto, Kanagawa-ken, JP;

Kazumitsu Tobe, Chiba-ken, JP;

Takayuki Saeki, Kanagawa-ken, JP;

Isao Harigaya, Kanagawa-ken, JP;

Koji Takahashi, Kanagawa-ken, JP;

Assignee:

Canon Kabushiki Kaisha, Tokyo, JP;

Attorney:

Robin, Blecker & Daley

Primary Examiner:

Peter S Wong

Assistant Examiner:

K Shin

Int. Cl.
CPC ...
H02J / ; G01N / ;
U.S. Cl.
CPC ...
320132 ; 320134 ; 320136 ; 320128 ; 320D / ; 324427 ; 324435 ;
Abstract

A charging apparatus for charging a secondary battery arranged in such a manner that the interterminal voltage of the battery, which is being charged, is measured so that the charging status of the battery is detected in accordance with the measured interterminal voltage of the battery which is being charged and the charging/discharging characteristics with respect to the interterminal voltage of the battery. As a result, the charging status of the battery can accurately be detected.

Find Patent Forward Citations

Takimoto, Hiroyuki. (1999). Battery charging apparatus (U.S. Patent No. 5861732). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5861732

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