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. 10, 1978
Filed:
Sep. 21, 1976
Applicant:
Inventor:
Toshihiro Kondo, Kamiishihara, Chofu-shi, Tokyo, JP;
Assignees:
Other;
Fuji Photo Film Co., Ltd., Minamiashigara, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354 38 ; 354 29 ;
Abstract
A photographic camera permits automatic exposure control wherein either the diaphragm aperture setting or the shutter speed setting is preselected while the other is automatically obtained thereafter. Arithmetical operations are electronically performed on various exposure control parameters such as the scene brightness etc., and signals resulting from these operations are used to control the shutter control mechanism or the aperture control mechanism to automatically obtain the shutter speed or diaphragm aperture required for proper exposure.