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:
Nov. 02, 1982
Filed:
Mar. 12, 1981
Applicant:
Inventors:
Kazuo Ikawa, Tokyo, JP;
Michio Hirohata, Kawasaki, JP;
Mutsuhide Matsuda, Yokohama, JP;
Yukio Mashimo, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354 33 ; 354128 ; 354139 ; 354145 ;
Abstract
In the disclosed flash camera, a flash unit is movable between protruding and stowed positions, and a sensor senses whether a capacitor that flashes the unit is adequately charged. A switch and a control circuit enable the flash only when the unit is in the protruding position and the sensor simultaneously senses an adequate charge.