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:
Jul. 22, 1980
Filed:
Apr. 12, 1978
Applicant:
Inventors:
Assignee:
West Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ; G03B / ; G03B / ;
U.S. Cl.
CPC ...
354 21 ; 354145 ; 354149 ; 354196 ; 354273 ;
Abstract
A combination of a film cartridge loading type camera with an electronic flash of the type wherein a flash lamp converts into a flash of light the energy stored in a main flash capacitor by a DC-DC converter. An optimum exposure may be ensured depending upon the speed of the film used, upon the distance to a subject and upon whether or not the flash is used.