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.

Date of Patent:
Mar. 31, 1992

Filed:

Oct. 01, 1990
Applicant:
Inventors:

Shinpei Ikenoue, Kanagawa, JP;

Takaaki Terashita, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
355 68 ; 355 77 ;
Abstract

Determined is a degree of correction in accordance with a length of at least one of two periods from film manufacturing to photographing or from photographing to film developing. A printing light quantity is corrected in accordance with this degree, and a film image is printed on photographic paper, thereby optimizing the printing light quantity to all films by correcting time-elapsed variations in film characteristics.


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