Combined brightness contrast and color saturation control circui

Details Combined brightness contrast and color saturation control circui Combined brightness contrast and color saturation control circui

1974-12-10

1976-04-27

Libman, George H.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 39, 358 40, H04N 9537

Patent

active

039538834

ABSTRACT:
A color television receiver circuit for controlling independently contrast and color saturation and controlling simultaneously contrast, color saturation and average brightness. The brightness control establishes the working voltages for the video (contrast) and chrominance (saturation) amplifiers and the average current drawn by the color cathode ray tube (brightness).

REFERENCES:
patent: 3578900 (1971-05-01), Willis
patent: 3715463 (1973-02-01), Matzek
patent: 3814852 (1974-06-01), Mierzwinski

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