VIR Automatic hue control with preference capability

Details VIR Automatic hue control with preference capability VIR Automatic hue control with preference capability

1977-08-01

1978-06-20

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 946

Patent

active

040965155

ABSTRACT:
With closed loop control, the hue for a color television receiver is automatically set by means of a received VIR signal. Viewer preference of the hue setting is realized by gated addition of the viewer preference offset voltage into the VIR control loop. The viewer preference signal is added into the control loop on all lines other than the VIR line 19. During line 19 the hue control loop is left undisturbed for the establishment of the reference hue setting.

REFERENCES:
patent: 3950780 (1976-04-01), Freestone

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