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. 24, 1985
Filed:
Jul. 02, 1984
Applicant:
Inventors:
Akihiro Namai, Kanagawa, JP;
Ryoichi Suzuki, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354400 ; 354402 ;
Abstract
A camera having an electromagnetically operated auto-focus mechanism wherein, during movement from a first to a second position, a photographic lens is set in an in-focus position. A returning drive power source for bringing the photographic lens back to the first position is charged during movement of the lens, and when it reaches the second position, the returning drive power source operates to reset the photographic lens to the first position.