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:
Aug. 21, 1984
Filed:
Sep. 15, 1982
Applicant:
Inventors:
Hideo Ikari, Tokyo, JP;
Michio Hirohata, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354400 ; 3542341 ;
Abstract
In the disclosed camera drive device, a driver electromagnetically driven by coils opens and closes shutter blade members and other exposure members. A holding arrangement holds the blade members closed while the driver controls the other exposure members and a control arrangement actuates the holding arrangement independently of the operating condition of the driver.
Ikari, Hideo. (1984). Electromagnetic drive device (U.S. Patent No. 4466723). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4466723
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile