Switching regulator for a television apparatus

Details Switching regulator for a television apparatus Switching regulator for a television apparatus

1978-09-07

1979-08-07

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

358190, H01J 2970, H01J 2976

Patent

active

041639260

ABSTRACT:
A controllable switch is coupled to a source of unregulated direct voltage and in a closed loop with a filter inductor and a storage capacitor and has its on-off state controlled at the horizontal deflection rate to control the voltage across the capacitor and regulate a voltage. A diode is coupled with the filter inductor and storage capacitor to form a second series circuit through which current can continue to flow in the inductor when the controllable switch is opened. The controllable switch is opened abruptly by application of a reverse biasing flyback pulse to its main current conducting path. The flow of current in the filter inductor is smoothed and may extend over the entire horizontal cycle.

REFERENCES:
patent: 3916288 (1975-10-01), Hicks et al
patent: 4079418 (1978-03-01), Kupka et al.

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