Raster correction circuit with low dissipation resistive damping

Details Raster correction circuit with low dissipation resistive damping Raster correction circuit with low dissipation resistive damping

1978-03-10

1979-12-18

Hubler, Malcolm F.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

H01J 2956

Patent

active

041796420

ABSTRACT:
A kinescope deflection arrangement includes a deflection winding driven by a deflection generator. A pincushion correction circuit includes a switchable impedance coupled in series with the deflection winding. A portion of the retrace voltage pulse appears across the switchable impedance. A transformer has a primary winding coupled to the output of the deflection generator, and a secondary winding on which a sample of the retrace pulse appears. A pincushion correction circuit damping resistor is coupled between the transformer secondary winding and the impedance.

REFERENCES:
patent: 3447027 (1969-05-01), Kramer
patent: 3628082 (1971-12-01), Dietz
patent: 3760222 (1973-09-01), Smith
patent: 3819979 (1974-06-01), Truskalo
patent: 3962602 (1976-06-01), Dietz
patent: 4063133 (1977-12-01), Nero et al.

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