Digital color modulator

Details Digital color modulator Digital color modulator

1982-08-03

1984-08-07

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 22, 358106, 340742, 340744, 340793, H04N 9535, H04N 558

Patent

active

044646763

ABSTRACT:
An interface circuit for converting a digital signal representing a dot-by-dot color video signal into a NTSC signal compatible with a television antenna input precompensates the digital for limitations in typical NTSC receivers. Various methods and circuits for precompensating the luminance amplitude, chrominance and chrominance amplitude content of the digital signal result in perceivably improved contrast and color purity.

REFERENCES:
patent: 4040088 (1977-08-01), Hannan
patent: 4109278 (1978-08-01), Mendrala
patent: 4212008 (1980-07-01), Hopkins

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