Print device and print processing method

Details Print device and print processing method Print device and print processing method

2005-01-04

2005-01-04

Nguyen, Thinh (Department: 2861)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S015000

Reexamination Certificate

active

06837570

ABSTRACT:
A printing apparatus of the present invention includes a dither processing unit which converts multi-value data of C (cyan), M (magenta), and Y (yellow) into binary CMY data, and further includes a black generation processing unit which generates a gray plane by a logical product between C, M, and Y of the binary CMY data, and generates K (black) at positions of some of gray pixels of the gray plane according to a probability responsive to a density of the gray pixels in the gray plane while refraining from generating K at positions of remaining gray pixels.

REFERENCES:
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patent: 10-200765 (1998-07-01), None
patent: 10-276341 (1998-10-01), None
patent: 11-164164 (1999-06-01), None
patent: 2000-137472 (2000-05-01), None
patent: 2001-285662 (2001-10-01), None

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