Vertical synchronizing signal detecting circuit

Details Vertical synchronizing signal detecting circuit Vertical synchronizing signal detecting circuit

1982-09-14

1984-07-10

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 510

Patent

active

044596120

ABSTRACT:
Digitally designed vertical synchronizing separator and framing circuit in association with a digital servo LSI for a video tape recorder are particularly designed to be noise-free system for a composite synchronizing signal reproduced from the video tape recorder and utilize a reference clock pulse with the synchronizing signal and a counter with a feed back of the contents of the counter to control the supply of said composite synchronizing signal.

REFERENCES:
patent: 3962540 (1976-06-01), Kokado
patent: 4214270 (1980-07-01), Morito
patent: 4227214 (1980-10-01), Morito et al.
patent: 4238770 (1980-12-01), Kobayashi et al.
patent: 4291335 (1981-09-01), Nakagawa et al.
patent: 4357630 (1982-11-01), Odaka

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