Color television encoder signals

Details Color television encoder signals Color television encoder signals

1976-05-05

1978-07-11

Murray, Richard

Facsimile and static presentation processing

Static presentation processing

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H04N 902

Patent

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041005686

ABSTRACT:
Color television chrominance signal encoding is improved by alternately keying parallel modulators controlled by independent oscillators. Improved luminance signal encoding minimizing crosstalk is achieved by selected filtering, delay and threshold control in response to repetitive high signal level conditions. Circuitry for improving luminance signal encoding is described which is useful in both fm and am video signal processing applications. A preferred embodiment of an encoder is described which is operative according to the French SECAM standard.

REFERENCES:
patent: 3317661 (1967-05-01), Dischert et al.
patent: 3728476 (1973-04-01), Bates et al.
patent: 3969761 (1976-07-01), Favreau
patent: 3969762 (1976-07-01), Favreau
Roizen and Lipkin, "SECAM: An End to Crosstalk," Electronics, Mar. 22, 1965, pp. 104-105.

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