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:
Oct. 15, 1991

Filed:

Nov. 04, 1988
Applicant:
Inventors:

Katsuhisa Tsuji, Tokyo, JP;

Masaaki Kogure, Tokyo, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358 78 ; 358 80 ;
Abstract

In processing a colored image in multilevel gradations, a color which does not affect the gradation of the image is processed in fewer multilevels and colors which affect the gradation are processed in an ordinary number of multilevels.


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