Raster positioning circuit for a deflection system

Details Raster positioning circuit for a deflection system Raster positioning circuit for a deflection system

1986-02-26

1987-06-23

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

H01J 2954

Patent

active

046755810

ABSTRACT:
A television centering circuit includes a non-linear conduction network coupled in series with an inductance. The series arrangement is conductively coupled in parallel with a horizontal deflection winding. A control circuit for the non-linear conduction network utilizes negative feedback to sense and control the current in the inductance when the current is of a first polarity, thereby regulating the average value of the current in the inductance and in the deflection winding to provide raster centering.

REFERENCES:
patent: 3510723 (1970-05-01), Dumas
patent: 3683231 (1972-08-01), Jagatic
patent: 3814981 (1974-06-01), Rusk
patent: 3980927 (1976-09-01), Haferl
patent: 4037137 (1977-07-01), Dietz
patent: 4423358 (1983-12-01), den Hollander
patent: 4472662 (1984-09-01), Freed
A schematic diagram of a television chassis 100-20 published by Siemens-Electro, Germany; it is believed that the publication date is 1981.

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