Electric discharge lamp lighting device

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...

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315 99, 315106, 315DIG2, H05B 4123

Patent

active

039420701

ABSTRACT:
An electric discharge lamp lighting circuit in which a discharge lamp is lighted by a circuit comprising a semiconductor switching circuit in which the cathode of a first thyristor is connected to the gate of a second thyristor and the first and second thyristors are commonly connected at the respective anodes, an integration circuit consisting of a capacitor and a resistor and connected between the gate of the first thyristor and the cathode of the second thyristor, a resistor connected between the integration circuit and the anode of the first thyristor, and a resistor connected between the gate and cathode of the second thyristor.

REFERENCES:
patent: 3588592 (1971-06-01), Brandstadter
patent: 3643127 (1972-02-01), Laupman
patent: 3720861 (1973-03-01), Kahanic

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