Video tape recorder signal processor

Details Video tape recorder signal processor Video tape recorder signal processor

1982-02-09

1984-08-21

Masinick, Michael A.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358319, H04N 576

Patent

active

044673582

ABSTRACT:
A circuit for reinserting full vertical sync pulse width back into a composite video signal which has been especially modified to contain a narrower, or weaker, vertical sync pulse so as to make video tape recording of this modified video signal difficult or impossible. This reinsertion process is carried out WITHOUT neccessitating the interruption, breaking or cutting of the base band video cable or line carrying the modified video signal, and thus eliminates the need for carefully designed non distorting wide band video amplifiers, and the power to run these amplifiers, the space used in the reinserter by these amplifiers, and the cost to manufacture these amplifiers.

REFERENCES:
patent: 3018324 (1962-01-01), Leyton
patent: 3059052 (1962-10-01), Smith
patent: 4121242 (1978-10-01), Janko
patent: 4286281 (1981-08-01), Suzuki

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