Switched vertical deflection circuit with bidirectional power su

Details Switched vertical deflection circuit with bidirectional power su Switched vertical deflection circuit with bidirectional power su

1983-12-14

1985-10-01

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315408, H01J 2972

Patent

active

045448647

ABSTRACT:
A switched vertical deflection circuit derives vertical deflection current from horizontal deflection energy. A single switching element operates during both horizontal trace and retrace intervals. Conduction of the switching element is controlled by a vertical control circuit to provide the desired vertical deflection current. Feedback to the control circuit is referenced to ground potential to eliminate nonlinearity caused by voltage supply variations. The vertical circuit voltage supply is adapted to sink as well as supply current, thereby stabilizing the supply.

REFERENCES:
patent: 4115725 (1978-09-01), Hashimoto
patent: 4234826 (1980-11-01), Dietz
patent: 4238712 (1980-12-01), Dietz
patent: 4296360 (1981-10-01), Rilly

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