Horizontal deflection circuit

Details Horizontal deflection circuit Horizontal deflection circuit

1998-08-14

2000-09-26

Ham, Seungsook

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315371, 315369, G09G 104, H01J 2970

Patent

active

061246867

ABSTRACT:
A horizontal deflection circuit is provided in which a large retrace pulse voltage applied to a horizontal deflection yoke can be taken to reduce the deflection current and which is capable of easily performing horizontal image size adjustment and distortion adjustment. A parallel connection of a switching element, a damper diode, and a resonance capacitor is connected in series to a parallel connection of another switching element, another damper diode, and another resonance capacitor, and power is supplied from the connection point via a fly-back transformer. The comparison value of the retrace pulse voltages applied across both ends of the switching elements is fed back through a switching element control circuit to the switching element so that the deflection current of the horizontal deflection yoke is controlled.

REFERENCES:
patent: 4206388 (1980-06-01), Ishigaki et al.
patent: 4513228 (1985-04-01), Teuling
patent: 4733141 (1988-03-01), Watanuki
patent: 5416389 (1995-05-01), Merlo et al.
patent: 5714849 (1998-02-01), Lee

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