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:
Aug. 20, 1991
Filed:
Oct. 05, 1989
Applicant:
Inventor:
Kanji Tokuda, Kanagawa, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G01J / ;
U.S. Cl.
CPC ...
364525 ; 36457101 ; 356404 ; 356443 ; 382 41 ;
Abstract
In a negative inspection apparatus for providing exposure correction data, a data input device inputs visual inspection data of film frames, and a frame scanner provides transmitted light data for a large number of points of the frame so as to compute scanning data. Exposure correction data of a film frame is provided based on inspection data and scanning data of frame.