Method of and apparatus for recording color image

Details Method of and apparatus for recording color image Method of and apparatus for recording color image

1990-10-23

1992-09-01

Couso, Jose

Facsimile and static presentation processing

Static presentation processing

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358 76, 358 80, H04N 146

Patent

active

051444194

ABSTRACT:
Density signals (S.sub.y, S.sub.M, S.sub.C, S.sub.K) representing yellow, magenta, cyan and black densities on an original color image are inputted and are subject to color computations in a color computation circuit (202). The corrected density signals (S.sub.Y1, S.sub.M1, S.sub.C1 S.sub.K1) are converted into halftone dot singals (S.sub.DY, S.sub.DM, S.sub.DC, S.sub.DK), respectively. The halftone dot signal for black is combined with the other three halftone dot signals individually in combining circuits (204.sub.y, 204.sub.m, 204.sub.c) and are employed for recording a color proof image on a color photosensitive film (PF).

REFERENCES:
patent: 4573071 (1986-02-01), Sakamoto
patent: 4639770 (1987-01-01), Jung et al.
patent: 4705745 (1987-11-01), Kitchin et al.
patent: 4926254 (1990-05-01), Nakatsuka et al.
patent: 4975769 (1990-12-01), Aizu
patent: 4992862 (1991-02-01), Gabor
Hashimoto et al., "Full Color Inspection System," Japan Printer 1987 (vol. 70), pp. 9-14.
"Electronic Color Separation", Dr. R. K. Molla, 1988, pp. 88 and 93.

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