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:
Apr. 15, 1986
Filed:
Oct. 05, 1983
Applicant:
Inventors:
Eiji Miyasaka, Hikone, JP;
Kojiro Henmi, Hikone, JP;
Iwao Hirose, Hikone, JP;
Hiroyuki Yonehara, Hikone, JP;
Assignee:
Dainippon Screen Mfg. Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
355 55 ; 355 68 ; 355 69 ; 355 71 ;
Abstract
There is provided a reproduction camera comprising an optical sensor provided at a location to which light from a light source on the image side can be reached and which is substantially outside the image focal plane and not near by the same, a correcting device by which a quantity of light received by the optical sensor has a relation with a quantity of light received on the image focal plane, and a control system for controlling exposure according to a signal corrected by the correcting device.