Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2008-03-04
2008-03-04
Williams, Kimberly (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S504000, C358S003230, C382S162000, C382S167000
Reexamination Certificate
active
07339704
ABSTRACT:
The present invention implements a CMYK to CMYK pre-transform in front of at least one printer to be clustered where the transform is designed to ensure that the printers addressed through the pre-transform have substantially identical output color for substantially identical input CMYK values. As one form of implementation a method is disclosed to build CMY to CMY 3D-LUTs and 1D-LUT for K using sensors in the field. Making use of a system LUT—CMY to CMY 3D-LUT and a K to K 1D-LUT—improves consistency and provides a coherent control strategy and a means to provide standardized input CMY and K values in a clustered environment so that single or multiple vendor DFEs see substantially identical CMYK values.
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Mestha Lalit K.
Mihalyov Kenneth J.
Sharma Gaurav
Zeck Norman W.
Baker Charlotte M.
Williams Kimberly
Xerox Corporation
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