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. 12, 1991
Filed:
Jul. 03, 1990
Applicant:
Inventor:
Yoshinori Oogita, Nara, JP;
Assignee:
Sharp Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
320 48 ; 340636 ; 377 16 ; 377 15 ; 377112 ; 368 10 ; 368204 ; 368244 ; 368251 ;
Abstract
An electronic equipment using a battery as an energizing power source includes a display unit, a signal generator for generating operation clocks while the electronic equipment is being actuated, a counter for measuring the number of the clocks, a calculator for calculating an operating time of the battery based upon the result of the counting operation by the counter, an estimating unit for estimating a consumption state of the battery based upon the result of the calculation by the calculator, and an informing unit for making the display unit display beforehand the expiration of the lifetime of the battery based upon the result of the estimation by the estimating unit.