Facsimile and static presentation processing – Natural color facsimile – Color separation
Reexamination Certificate
2007-11-16
2011-11-22
Worku, Negussie (Department: 2625)
Facsimile and static presentation processing
Natural color facsimile
Color separation
C358S001900, C358S502000, C358S518000, C382S167000, C382S300000, C345S111000, C345S215000
Reexamination Certificate
active
08064112
ABSTRACT:
A computerized printer utilizes a color separation and printing process that adds brightness, saturation and ink density to traditional CMYK printing processes and optionally eliminates the need for Black (K) color separation data and Black ink in the printer. The process includes the creation of Red, Green, and Blue (R′G′B′) color separation data channels for use by a computer processor to complement the dynamic range of traditional Cyan, Magenta, and Yellow (CMY) color separation data channels. Accordingly, the process gives printers the capacity to utilize a six-color separation process with Cyan, Magenta, Yellow, Red, Green, and Blue (CMYR′G′B′) color separation data channels. The standard Black (K) separation data can be combined within the R′G′B′ separation data to optically simulate Black ink in print. The process can be applied to printing processes including: digital, flexography, inkjet, lithography, rotary gravure, rotary letterpress and screen-printing.
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Opaltone Australasia Pty. Ltd.
Summa, Additon & Ashe, P.A.
Worku Negussie
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