Method of estimating trap from spectral reflectance factor

Details Method of estimating trap from spectral reflectance factor Method of estimating trap from spectral reflectance factor

2005-11-14

2009-08-11

Coles, Edward L (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S003100, C358S518000, C358S519000, C358S501000, C358S504000, C382S162000, C382S167000

Reexamination Certificate

active

07573608

ABSTRACT:
A method of estimating the trap of an overprint of at least two primary colors from the spectral density curve of the overprint by computing the amounts of the two primary colors that will produce a spectral density curve that matches the spectral density curve of the overprint, and then relating the amounts to one another.

REFERENCES:
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patent: 5668931 (1997-09-01), Dermer
patent: 6262810 (2001-07-01), Bloomer
patent: 7253924 (2007-08-01), Sanger et al.
patent: 2003/0025925 (2003-02-01), Elsman et al.
patent: 2003/0086108 (2003-05-01), Barkis
patent: 2003/0156299 (2003-08-01), Martinez et al.

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