Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1982-08-03
1983-12-06
Murray, Richard
Facsimile and static presentation processing
Static presentation processing
Attribute control
358166, H04N 9535
Patent
active
044196890
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: 3009016 (1961-11-01), Graham
patent: 3739082 (1973-06-01), Lippel
patent: 4232340 (1980-11-01), Fuhrer
Russell Gilbert E.
Wong Hee
Murray Richard
National Semiconductor Corporation
Pollock Michael J.
Winters Paul J.
Woodward Gail W.
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