Television SAW/VSB filter incorporating receiver equalizer

Details Television SAW/VSB filter incorporating receiver equalizer Television SAW/VSB filter incorporating receiver equalizer

1984-08-10

1986-01-14

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358186, 333194, 333195, H04N 540, H03H 944, H03H 964

Patent

active

045648581

ABSTRACT:
A visual exciter for use in a television broadcasting system is disclosed. The exciter includes a surface acoustic wave (SAW) filter for vestigial sideband filtering of an RF carrier signal amplitude modulated with a video signal. The SAW filter has a time delay versus frequency characteristic which is designed to compensate for a complementary delay characteristic of a TV receiver. The need for a separate receiver equalization circuit is therefore eliminated.

REFERENCES:
patent: 3872410 (1975-03-01), Zucker
patent: 4030050 (1977-06-01), Deacon
patent: 4096454 (1978-06-01), Behrend
patent: 4212029 (1980-07-01), Murakami
patent: 4237432 (1980-12-01), Huang
patent: 4342011 (1982-07-01), Iwamoto
patent: 4417221 (1983-11-01), Hunsinger
A Delay Lineless Video Signal Processing Circuit Using a New Surface Acoustic Wave Filter for Television Receivers, by I. Nishimura et al., IEEE Transactions on Consumer Electronics, vol. CE-26, Aug. 1980, pp. 376-387.

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