Color video synthesizer with monochrome input

Details Color video synthesizer with monochrome input Color video synthesizer with monochrome input

1975-01-17

1976-07-27

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

323 79, 35 12N, H04N 902, G05F 302, G09B 908

Patent

active

039720675

ABSTRACT:
A novel variable resistive network is disclosed enabling the control of an odd number of signals wherein a selected one of said signals is held at a common reference level while others of said signals are varied in amplitude such that no one signal reaches a maximum input level amplitude at the same time as any other of said signals. Method and apparatus for achieving a color presentation from a video signal which may have no color content of its own is taught employing said variable resistive network for Hue control and using dual-input amplifiers having a weighted gate signal for Saturation control.

REFERENCES:
patent: 2845482 (1958-07-01), King et al.
patent: 3603962 (1971-09-01), Lechner
patent: 3761607 (1973-09-01), Hanssman
patent: 3769458 (1973-10-01), Driskell
patent: 3770884 (1973-11-01), Curran et al.

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