Automatic color balancing system

Details Automatic color balancing system Automatic color balancing system

1975-10-07

1977-09-06

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 9535

Patent

active

040472027

ABSTRACT:
A system for regulating the color balance of a television signal by storing hue values only during periods when a predetermined luminosity gradient is present in the picture while, simultaneously, the picture remains below a predetermined color saturation threshold, and by using the stored hue value during subsequent periods to derive a regulating signal for controlling a color corrector.

REFERENCES:
patent: 3637920 (1972-01-01), Becker et al.
patent: 3735026 (1973-05-01), Smith et al.
patent: 3737561 (1973-06-01), Boer
patent: 3821789 (1974-06-01), Durbin, Jr. et al.

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