Start-up circuit for a power supply

Details Start-up circuit for a power supply Start-up circuit for a power supply

1981-05-07

1983-05-24

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Power supply from deflection circuit source

358190, H01J 2970

Patent

active

043852645

ABSTRACT:
A start-up circuit for a power supply used in a television receiver controls the operation of the power supply during a start-up interval. The power supply is disabled by the start-up circuit at a first voltage level until a capacitor is charged to a predetermined second voltage level. The power supply is then enabled, disabling the start-up circuit, and discharging the capacitor. The power supply continues to operate until the capacitor is discharged below an intermediate voltage level at which point the power supply is disabled and the start-up circuit again becomes operative to allow the capacitor to recharge.

REFERENCES:
patent: 3688154 (1972-08-01), Christopher
patent: 3876910 (1975-08-01), Kraus
patent: 3891892 (1975-06-01), Bohringer
patent: 4188568 (1980-02-01), Manners
patent: 4246634 (1981-01-01), Purol
patent: 4898525 (1975-08-01), Steckler

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