Color-pulling compensation in a beam-index display tube

Details Color-pulling compensation in a beam-index display tube Color-pulling compensation in a beam-index display tube

1979-04-16

1980-10-28

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

315 10, 315 12ND, H04N 924

Patent

active

042310601

ABSTRACT:
A system and method for varying the phase of an index-related control signal produced within a beam-index display system in a manner compensating for the effects of cross-modulating the index signal with the video drive signals. Provision is made for monitoring the magnitudes of selected video drive signals and for shifting the phase of the control signal in a manner compensating for the effects of such drive signals on the index signal from which the control signal is derived.

REFERENCES:
patent: 2900562 (1959-08-01), Burns, Jr.
patent: 3406251 (1968-10-01), Jones
patent: 3536823 (1970-10-01), Goode et al.

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