Color image forming apparatus

Facsimile and static presentation processing – Static presentation processing – Attribute control

Reexamination Certificate

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Details

C358S003280, C358S501000, C358S518000, C358S002100, C399S299000, C399S002000, C399S067000, C399S071000, C399S108000, C399S108000, C399S108000, C399S360000

Reexamination Certificate

active

06888645

ABSTRACT:
A color image forming apparatus of the present invention is, for example, a digital color copying machine arranged to include two image processing units (first and second image processing units) each having a photosensitive body. The first image processing unit forms a monochrome image and the second image processing unit forms a particular pattern or a trace pattern. According to this arrangement, the particular pattern or trace pattern can be added to a monochrome image while maintaining a printing rate as fast as a monochrome image printing rate. Consequently, an additional information of a color other than black can be combined with a monochrome image at the same printing rate as the monochrome image printing rate, thereby making it possible to provide a compact and inexpensive apparatus.

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Japanese Office Action mailed Nov. 4, 2003 and English Translation.

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