Starter for discharge lamp

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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Details

315 99, 315106, 315DIG5, H05B 4118

Patent

active

041198875

ABSTRACT:
A starter for a discharge lamp including first and second filaments, comprises an SCR having an anode and a cathode connected in series through the first and second filaments and a ballast transformer to an AC power supply. The gate electrode and the anode of the SCR are connected to each other through a first resistor, while the gate electrode is further connected through a second resistor to the power supply side.

REFERENCES:
patent: 3588592 (1971-06-01), Brandstadter
patent: 3924155 (1975-12-01), Vogeli
patent: 3978369 (1976-08-01), Imaizumi et al.
patent: 4015167 (1977-03-01), Samuels

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