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:
May. 11, 1982
Filed:
Jun. 19, 1979
Applicant:
Inventor:
Saburo Numata, Urawa, JP;
Assignee:
Fuji Photo Optical Co., Ltd., Omiya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354 / ; 354 24 ; 354 50 ;
Abstract
In a digital exposure control device for cameras including an A-D converter connected with a light measuring circuit and a memory element connected therewith for memorizing the output of the A-D converter, a one-shot is connected between the A-D converter and the memory element so that the output of the A-D converter will be transmitted to the memory element only while the output level of the one-shot is high.