Circuit for driving deflection coil

Details Circuit for driving deflection coil Circuit for driving deflection coil

1979-09-07

1981-07-28

Hubler, Malcolm F.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315370, 315406, 315408, H01J 2970

Patent

active

042812755

ABSTRACT:
A circuit for driving a deflection coil comprising a capacitor (3) in series with the coil (2), a circuit (1) which drives a saw-tooth waveform current through the coil and capacitor, and a switchable resonant circuit (5, 6, 7, 8, 9) which generates across the capacitor a saw-tooth waveform voltage equal and opposite to the voltage drop attributable to a resistive component (4) of the capacitor/coil series circuit, thereby to effect loss correction.

REFERENCES:
patent: 3714503 (1973-01-01), West
patent: 3766314 (1973-10-01), Riechmann
patent: 3796827 (1974-03-01), Riechmann
patent: 3824427 (1974-07-01), McLeod, Jr.

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