Vertical deflection circuit for television receiver set

Details Vertical deflection circuit for television receiver set Vertical deflection circuit for television receiver set

1975-05-08

1977-01-04

Kominski, John

Oscillators

Automatic frequency stabilization using a phase or frequency...

With reference oscillator or source

358158, 331153, 331172, H03B 306

Patent

active

040017150

ABSTRACT:
A vertical deflection circuit used in television receivers, comprising a free-running oscillator capable of synchronous oscillation triggered by a vertical synchronizing signal separated from a composite synchronizing signal is disclosed. The vertical deflection circuit has a switch means which operates under synchronous control by the vertical synchronizing pulse and prevents the application of a vertical trigger signal to the free-running oscillator at least for the period from the time at which the free-running oscillator has been triggered to the time corresponding to the end of the vertical synchronizing pulse period of the composite synchronizing signal.

REFERENCES:
patent: 2750498 (1956-06-01), Arbuckle
patent: 3441673 (1969-04-01), Wheatley, Jr.

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