Power source circuit for a flash discharge lamp

Details Power source circuit for a flash discharge lamp Power source circuit for a flash discharge lamp

1979-11-30

1981-11-03

La Roche, Eugene R.

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

315208, 315225, 320 1, H05B 4134

Patent

active

042988276

ABSTRACT:
A power source circuit for a flash discharge lamp which includes a booster-rectifier, a thyristor connected to the booster-rectifier on the side of a power source, a discharge capacitor connected to the booster-rectifier on the side of a load, a detecting element for detecting a voltage across the discharge capacitor, a trigger circuit and a control circuit. The control circuit is adapted to supply, to the gate of the thyristor, an AC signal of substantially the same phase as the power source and to stop the AC signal supply when the voltage of the discharge capacitor reaches a predetermined value, thereby preventing the thyristor from noise generation which would otherwise cause a malfunction in a computer which processes facsimile or like picture signals.

REFERENCES:
patent: 3780344 (1973-12-01), Paget
patent: 4075536 (1978-02-01), Stevens

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