Regulated deflection circuit with regulator switch controlled by

Details Regulated deflection circuit with regulator switch controlled by Regulated deflection circuit with regulator switch controlled by

1979-07-19

1980-11-18

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315399, H01J 2970, H01J 2976

Patent

active

042348277

ABSTRACT:
A source of unregulated direct voltage has a terminal coupled to a capacitor. A horizontal deflection circuit is coupled to a first terminal of the source and to the capacitor so as to be energized by a regulated voltage established by the difference between the unregulated voltage and the voltage across the capacitor. The deflection switching transistor is serially coupled with an additional controllable switch, and an inducator is coupled between the junction of the switches and the second terminal of the source of unregulated direct voltage to provide a controllable path for current flow in the capacitor. The controllable switches are operated at the deflection rate to generate deflection currents and to control the state of charge of the capacitor to maintain a constant regulated voltage. The energy represented by periodic discharge of the capacitor is recovered.

REFERENCES:
patent: 3434003 (1969-03-01), Geller
patent: 3832592 (1974-08-01), Dietz

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