Saturable reactor with toroidal shunt paths

Details Saturable reactor with toroidal shunt paths Saturable reactor with toroidal shunt paths

1984-11-30

1987-03-31

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315371, 336160, H01J 2970, H01J 2976

Patent

active

046545646

ABSTRACT:
A saturable reactor has a center control winding electromagnetically coupled to a pair of outer windings which, in turn, are each coupled in circuit with a respective toroidal shunt winding. The reactor provides side pincushion correction and eliminates center pinch in a raster scanned video display such as a cathode ray tube (CRT). The high inductance-to-resistance ratios of the toroidal windings as well as the shunt current paths permit increased deflection current to be provided to the horizontal deflection coils without saturating the reactor or requiring an increase in its size.

REFERENCES:
patent: 3408535 (1968-10-01), Lemke
patent: 3444422 (1969-05-01), Wolber
patent: 3940662 (1976-02-01), Quirke
patent: 3944884 (1976-03-01), Wilocki
patent: 3990030 (1976-11-01), Chamberlin
patent: 4146859 (1979-03-01), Quirke

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