Image processing apparatus

Details Image processing apparatus Image processing apparatus

1981-12-01

1986-05-13

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358282, 382 54, 340347AD, H04N 140

Patent

active

045890340

ABSTRACT:
An image processing apparatus has analog image signal generator converter for converting an analog image signal generated by said analog image generator to a digital image signal, a comparator for comparing said image signal with a predetermined reference, and a controller for controlling the image signal in accordance with an output of the comparator to maintain a level or a gain of the image signal at a constant level.

REFERENCES:
patent: 4200934 (1980-04-01), Hofmann
patent: 4249217 (1981-02-01), Korte et al.
patent: 4298887 (1981-11-01), Rode
J. F. Jarvis, "A New Technique for Displaying Continuous Tone Images on a Bilevel Display", IEEE Transactions on Communications, vol. COM-24, No. 8, pp. 891-898, Aug. 1976.

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