Correction circuit for a color scanner

Details Correction circuit for a color scanner Correction circuit for a color scanner

1976-11-04

1978-05-30

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 78, 358282, H04N 146, H04N 140

Patent

active

040926680

ABSTRACT:
An improved color adjustment circuit for a color scanner in which a photoelectric scanning device obtains color signals and which supplies separated output signals to color correction circuits and wherein the output of the scanning device can be disconnected from the correction circuit during adjustment of the correction circuit and wherein for each of the picture points which is to be examined a variable memory receives and stores the color signal values for the picture points from the scanning device and the outputs of these memories can be connected to the input of the correction circuit for adjusting the individual color correction values of the correction circuit.

REFERENCES:
patent: 2799722 (1957-07-01), Neugebauer
patent: 3893166 (1975-07-01), Pugsley

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