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. 07, 1976
Filed:
Oct. 01, 1975
Applicant:
Inventors:
Naoyuki Uno, Urawa, JA;
Tetsuji Shono, Ranzan, JA;
Fumio Urano, Omiya, JA;
Masahiro Kawasaki, Tokyo, JA;
Assignee:
Asahi Kogaku Kogyo Kabushika Kaisha, Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354 43 ; 354 53 ; 354 56 ; 354 / ; 354219 ;
Abstract
A method and apparatus for automatic iris control of cameras having an exposure value indicator located within the camera's viewfinder. The indicator emits light such that a photosensor when moving over the indicator face, senses the light and through associated circuitry and mechanisms stops the movement of an adjusting iris.