Color demodulation and matrixing system

Details Color demodulation and matrixing system Color demodulation and matrixing system

1980-06-23

1981-11-10

Murray, Richard

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 30, H04N 950

Patent

active

043001548

ABSTRACT:
A color demodulation and matrixing system is disclosed for use in a color television receiver. The matrixing portion of the system receives R-Y and B-Y color-difference signals which may be developed by conventional demodulators. Each color-difference signal is converted to a pair of currents of opposing polarities which are coupled to a current node, and a load is coupled to the node for developing a G-Y voltage across the load. The demodulation portion of the system receives the R-Y and B-Y color-difference signals, converts each of them to currents of opposing polarities, and applies them to loads in push-pull fashion to develop R-Y and B-Y output voltages.

REFERENCES:
patent: 3840697 (1974-10-01), Lunn

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