Device independent trap color specification

Details Device independent trap color specification Device independent trap color specification

2005-11-29

2005-11-29

Williams, Kimberly (Department: 2626)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S518000, C358S003270, C358S002100, C382S162000, C382S163000, C382S164000, C382S167000, C345S604000

Reexamination Certificate

active

06970271

ABSTRACT:
The invention provides a method and computer program of instructions for specifying a device independent trap color in a color space for a color boundary. The method includes obtaining a first color value (C1), representing a first color in a color space associated with the color boundary, having a first darkness and first chromaticity and obtaining a second color value (C2), representing a second color in the color space associated with the color boundary, having a second darkness and second chromaticity. The method includes generating a trap color value, representing a color in the color space, having substantially a same darkness as a lighter of the first and second color value, and a chromaticity that is a function of the first and second chromaticities of the first and second color values.

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patent: 2002/0051156 (2002-05-01), Weinholz et al.
patent: 2002/0122044 (2002-09-01), Deering
patent: 840500 (1998-05-01), None

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