Field deflection circuit for use in a picture display device

Details Field deflection circuit for use in a picture display device Field deflection circuit for use in a picture display device

1986-11-12

1988-07-05

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315403, 315408, H01J 2970, H01J 2972

Patent

active

047557273

ABSTRACT:
A field deflection circuit for use in a picture display device, comprising an amplifier to whose output the series network of a field deflection coil, a separated capacitor and a negative feedback resistor is disclosed. A circuit is provided in parallel with the separating capacitor for fixing the d.c. component of the voltage across the capacitor at a more less constant value. Frequency-dependent negative feedback networks may therefore be omitted.

REFERENCES:
patent: 3988638 (1976-10-01), Nillesen
patent: 4004190 (1977-01-01), Simpson
patent: 4400652 (1983-08-01), Sunderland
patent: 4590408 (1986-05-01), Mays

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