Color facsimile previewer

Details Color facsimile previewer Color facsimile previewer

1979-01-17

1981-02-10

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 146

Patent

active

042505224

ABSTRACT:
A color separation condition determining apparatus which is useful for determining the operation conditions of the color separation step in a color printing process, comprises a scanning section, a masking circuit, an under-color removal circuit, clip circuits, gradation a correction circuit, color correction circuit, a matrix circuit and a color monitor using a color CRT. The invention further includes a method for correcting color signals in the above apparatus and a masking circuit therefor.

REFERENCES:
patent: 2976348 (1961-03-01), Bailey et al.
patent: 2993954 (1961-07-01), Allen et al.
patent: 3450830 (1969-06-01), Kyte
patent: 3972066 (1976-07-01), Seki et al.
patent: 4037249 (1977-07-01), Pugsley

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