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:
Jun. 23, 1998

Filed:

Dec. 29, 1995
Applicant:
Inventors:

Masaya Fujimoto, Osaka, JP;

Tadashi Miyazaki, Osaka, JP;

Shinji Hayashi, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ; H04N / ; G03F / ;
U.S. Cl.
CPC ...
358464 ; 358462 ; 358453 ; 358529 ; 382266 ; 382267 ; 382268 ; 382269 ; 382199 ;
Abstract

An image processor is provided which emphasis-processes an image to be copied with attention to the detection of black edges so that clear color copy outputs are obtained. R, G and B data read out from an original by a scanner are converted into C, M and Y complementary color data by a complementary color reversing circuit. The complementary color data are transmitted to a black edge processing circuit and to a black edge detecting circuit. The black edge detecting circuit detects the inside or the outside of a black edge, and in accordance therewith, the black edge processing circuit, for example, changes the coefficient of a spatial filter. The output of the black edge processing circuit is outputted to a printer through a black generating circuit, a tone correcting circuit and a half tone processing circuit.


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