Method and device for color data generation

Details Method and device for color data generation Method and device for color data generation

2003-07-25

2008-12-02

Poon, King (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S518000, C358S529000, C382S167000, C345S602000

Reexamination Certificate

active

07460269

ABSTRACT:
A device and method is provided for generating color data for image formation by converting C, M, Y, data into C, M, Y, K data. The minimum value of the three color values of C, M, Y is selected and, depending on the color of the minimum value, a black data generating table is selected to generate a value for the black color K. The black data generating tables have different black data conversion characteristics from one another and are associated with the three colors of cyan, magenta, and yellow, respectively.

REFERENCES:
patent: 6466332 (2002-10-01), Fukasawa
patent: 2003/0072016 (2003-04-01), Dalrymple et al.
patent: 4-281668 (1992-10-01), None
patent: 2686673 (1997-08-01), None

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