Image forming apparatus which effects output gray level correcti

Details Image forming apparatus which effects output gray level correcti Image forming apparatus which effects output gray level correcti

1993-04-14

1995-06-06

Coles, Sr., Edward L.

Facsimile and static presentation processing

Natural color facsimile

Color correction

358522, 358534, 358456, G03F 308, H04N 146, H04N 140

Patent

active

054227402

ABSTRACT:
In an image forming apparatus according to the present invention, characteristics correcting data for correcting input gray level-output gray level characteristics for each of a plurality of steps into which input gray levels are divided are inputted by inputting means. At the time of image formation processing, input gray level-output gray level characteristic data are corrected on the basis of each of the characteristics correcting data inputted by the inputting means.

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patent: 4410909 (1983-10-01), Ueda
patent: 4641267 (1987-02-01), Asai
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patent: 4805013 (1989-02-01), Dei
patent: 4906942 (1990-04-01), Nakai
patent: 4962433 (1990-10-01), Matsushima
patent: 5136392 (1992-08-01), Ganse
patent: 5164822 (1992-11-01), Muramatsu
patent: 5189521 (1993-02-01), Ohtsubo

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