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:
Jan. 17, 1989
Filed:
Mar. 03, 1988
Applicant:
Inventors:
Masaharu Kawamura, Kanagawa, JP;
Yoshihito Harada, Kanagawa, JP;
Ryuichi Kobayashi, Kanagawa, JP;
Masayuki Suzuki, Kanagawa, JP;
Tsunemasa Ohara, Tokyo, JP;
Yoichi Tosaka, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
3541731 ; 354205 ; 3542341 ; 354249 ;
Abstract
A camera having a detector for detecting transition from the wind to rewind mode and a control circuit responsive to the output of the detector for controlling a shutter in such a manner that the exposure aperture of the film gate is covered by both leading and trailing blade groups of the shutter just before the initiation of a film rewinding operation.