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:
Nov. 21, 2000
Filed:
Oct. 29, 1992
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 ...
G01N / ; G01R / ;
U.S. Cl.
CPC ...
324427 ; 324429 ; 324431 ; 340636 ;
Abstract
Device for detecting the charge condition of a battery which measures the first output of the battery when connected to the first load and the second output of the battery when connected to the second load, and performs a predetermined computation on the basis of both the first and second outputs of the battery to detect the charge condition of the battery. The charge condition of the battery can be very accurately detected.