Vertical deflection circuit

Details Vertical deflection circuit Vertical deflection circuit

1979-06-22

1980-12-09

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

H01J 2970, H01J 2976

Patent

active

042387132

ABSTRACT:
A push-pull pair of output transistors provides trace current to a vertical deflection winding. A retrace capacitor forms a resonant retrace circuit with the deflection winding to develop a resonant retrace current in the deflection winding. A damping circuit coupled to the deflection winding damps unwanted oscillations of the trace current. A diode disconnect functions to prevent the resonant retrace current from flowing in both the output stage and in the damping circuit, thereby reducing undesirable dissipation in the vertical deflection circuit.

REFERENCES:
patent: 3774068 (1973-11-01), Yasumatsuya
patent: 3784857 (1974-01-01), Christopher
patent: 3835348 (1974-09-01), Rhee

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