Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1982-03-09
1984-11-13
Chin, Tommy P.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 75, G03F 300
Patent
active
044829175
ABSTRACT:
A method for reproducing colored masters in four-color printing where a color reduction or removal (UCR) which differs between the gray area and the chromatic area of the master is utilized in the production of the color separations. In the gray area, a color reduction is done in which a gray balance is produced between the three chromatic printing ink signals Y, M and C. In the chromatic area of the master, a color reduction matched to the respective maximum mean and minimum value of the three chromatic printing ink signals Y, M and C is accomplished.
REFERENCES:
patent: 2848528 (1958-08-01), Woll
patent: 2939908 (1960-06-01), Shapiro
patent: 2947805 (1960-08-01), Moe
patent: 2993087 (1961-07-01), Hell
patent: 3582549 (1971-06-01), Hell et al.
patent: 3608033 (1971-09-01), Hall
patent: 3725574 (1973-04-01), Gast
patent: 4335398 (1982-06-01), Yamada
patent: 4346402 (1982-08-01), Pugsley
Principles Of Color Reproduction, By Yule, John Wiley & Sons, Inc., pp. 282-304.
New Developments And Applications Of Photography In Printing, By Pugsley And Wood, Apr. 1975, pp. 33:1 to 33:3.
Gaulke Werner
Jung Eggert
Chin Tommy P.
Dr. -Ing. Rudolf Hell GmbH
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