Color video synthesizer with monochrome input

G - Physics – 06 – F

Patent

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Details

350/35, 354/4, 3

G06F 3/153 (2006.01) G09G 3/00 (2006.01) H04N 9/43 (2006.01)

Patent

CA 1069231

ABSTRACT OF THE DISCLOSURE 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.

243579

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