Telecommunications – Transmitter and receiver at separate stations
Patent
1981-06-08
1983-05-31
Chin, Tommy P.
Telecommunications
Transmitter and receiver at separate stations
455 38, 455 39, H04N 514
Patent
active
043864341
ABSTRACT:
A video signal is separated into a broad area luminance signal having attenuated vertical and horizontal detail components and a composite detail signal having horizontal and vertical detail components in a predetermined ratio. The broad area luminance signal is combined with the composite detail signal in desired proportions to provide continuous control of the picture detail from soft to sharp in all directions of reproduced images.
REFERENCES:
patent: 3546372 (1970-12-01), Dischert
patent: 3836707 (1974-09-01), Murakami et al.
patent: 3919714 (1975-11-01), Bingham
patent: 3938181 (1976-02-01), Avins
patent: 4050084 (1977-09-01), Rossi
S. V. Novakovsky, "Color Television Circuitry", SVJAZ Publishing House, Moscow, 1975, pp. 130-133.
Christensen Roy M.
Gibson Walter G.
Chin Tommy P.
Coalter R. G.
RCA Corporation
Tripoli J. S.
Whitacre E. M.
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