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:
Dec. 03, 1991
Filed:
Dec. 03, 1990
Applicant:
Inventors:
Kazuyuki Kazami, Tokyo, JP;
Koichi Daitoku, Sagamihara, JP;
Akira Ezawa, Tokyo, JP;
Kazuto Ohtsuka, Tokyo, JP;
Hideya Inoue, Yokohama, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354468 ; 354484 ; 35412712 ; 354217 ;
Abstract
The battery check device for cameras comprises a counting device for counting the number of times photographing is performed by cameras, a detecting means for detecting the remainder of the capacity of batteries, and a determining device for determining the number of the remaining pictures which can be taken on the basis of the detected remainder of the capacity of batteries.