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:
May. 15, 2001
Filed:
Jul. 13, 2000
Applicant:
Inventors:
Koji Takahashi, Kanagawa-ken, JP;
Isao Harigaya, Kanagawa-ken, JP;
Hiroyuki Takimoto, Kanagawa-ken, JP;
Kazumitsu Tobe, Chiba-ken, JP;
Takayuki Saeki, Kanagawa-ken, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 1/046 ;
U.S. Cl.
CPC ...
H01M 1/046 ;
Abstract
A remaining-amount-of-battery detecting device according to the present invention detects the remaining amount of battery power. The device is arranged to measure the open-circuit voltage of a battery and detect the remaining amount of battery power on the basis of the measured open-circuit voltage of the battery, so that it is possible to accurately detect the remaining amount of battery power.