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. 18, 1983
Filed:
Aug. 24, 1981
Applicant:
Inventors:
Ryoichi Yoshikawa, Yokohama, JP;
Yoshihiro Shigeta, Tokyo, JP;
Masanori Uchidoi, Yokohama, JP;
Yoichi Tosaka, Shakujii, JP;
Shosuke Haraguchi, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354153 ; 354173 ;
Abstract
A single lens reflex camera with a built-in winding motor performing quick return of the mirror and automatic diaphragm in the initial stage of winding operation where the load on the winding motor is very little is disclosed.