Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1983-05-18
1986-06-24
Masinick, Michael A.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 29, 358 54, 358 80, H04N 964
Patent
active
045970068
ABSTRACT:
A video signal control system including circuitry for providing a plurality of independent color video signals, control circuitry for separately varying the magnitude of each of the independent color video signals, circuitry for combining the controlled independent color video signals to provide change-in-red, change-in-blue, and change-in-green, and change-in-luminance correction signals, and second combining circuitry for adding together the correction signals with conventional video signals to provide corrected video signals. The system thereby provides independent control over portions of a video scene which are predominantly the color of the independent color channel, without affecting spectral content, neutral tones, and color mixtures. The present invention also includes an improved apparatus for controlling parameters requiring repetitive adjustments, including operator signal means responsive to provide control signals indicative of a desired increase or decrease in the controlled parameter. Circuitry responsive to the control signals accumulating the net increase or decrease in the controlled parameter in a memory location associated with the particular controlled parameter, in a manner such that no physical movement or resetting of the operator signal means is required in order to condition the apparatus to accept changes for a subsequent event.
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Masinick Michael A.
VTA Technologies, Inc.
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