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:
Oct. 11, 1977
Filed:
Sep. 03, 1976
Applicant:
Inventors:
Takeo Saito, Yotsukaido, JA;
Yuzuru Takazawa, Togane, JA;
Shinji Nagaoka, Yotsukaido, JA;
Yoichi Seki, Shisui, JA;
Assignee:
Seiko Koki Kabushiki Kaisha, , JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354 31 ; 351 51 ;
Abstract
In a programming electric shutter for a camera, the photoconductive element receiving light from the subject to be photographed comprises a plurality of photoelectric bodies. An exposure multiple setting device permits using one or more of the photoelectric bodies selectively according to the exposure factors or the sensitivity of the film to be used.