Supply circuit for a television receiver

Details Supply circuit for a television receiver Supply circuit for a television receiver

1976-06-02

1978-01-31

Wilbur, Maynard R.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315387, 315408, H01J 2970, H01J 2976

Patent

active

040718107

ABSTRACT:
A supply circuit for television receivers in which power source isolation is effected via a backward transformer. For the sake of achieving an insusceptibility to interferences, the operating frequency is equal to the line frequency. According to the invention, the supplied energy is controlled by varying the switch-on time during one period of the line frequency, in that the disconnecting time position is changed with the aid of a thyristor switching stage.

REFERENCES:
patent: 3452244 (1969-06-01), Dietz
patent: 3717789 (1973-02-01), Wolber
patent: 3732458 (1973-05-01), Wolber
patent: 3825793 (1974-07-01), Dietz
patent: 3885198 (1975-05-01), Pritchard et al.

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