Color television with VRT and automatic degaussing

Details Color television with VRT and automatic degaussing Color television with VRT and automatic degaussing

1975-01-03

1976-05-04

Segal, Robert

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Pulse storing

3171575TV, H01J 2906, H01J 3120

Patent

active

039551156

ABSTRACT:
A color television receiver includes a voltage regulating transformer having an additional secondary winding coupled to the primary side of the transformer through a thermistor. A degaussing coil is supplied through another thermistor from the main secondary winding. Upon turn-on of the receiver, the additional secondary winding enables substantially higher current flow through the degaussing coil to assist in demagnetization of the permeable material in the picture tube.

REFERENCES:
patent: 3249795 (1966-05-01), Dietch
patent: 3798493 (1974-03-01), Manske
patent: 3798497 (1974-03-01), Manske

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