Vertical deflection circuit for a television receiver

Details Vertical deflection circuit for a television receiver Vertical deflection circuit for a television receiver

1993-06-16

1996-08-20

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

348530, H01J 2970, H01J 2976

Patent

active

055481914

ABSTRACT:
It is the object to create a vertical deflection circuit which is suitable, in particular, for a symmetric deflection with a sinusoidal deflection current and a free-running horizontal deflection circuit not synchronised by the input signal.
A vertical pulse derived from the received signal and a horizontal pulse (H*) derived from the horizontal deflection circuit are applied to the synchronising inputs of the vertical deflection circuit in such a manner that the vertical deflection in each case begins with the first horizontal pulse following an edge of the vertical pulse (V) derived from the received signal and ends in a wait position preceding the next vertical pulse (V).
Suitable, in particular, for television receivers with a symmetric free-running horizontal deflection not synchronised by the input signal.

REFERENCES:
patent: 4351002 (1982-09-01), Decraemer et al.
patent: 5369444 (1994-11-01), Ersoz et al.

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