Discharge lamp control circuit

Details Discharge lamp control circuit Discharge lamp control circuit

1974-02-21

1976-08-31

Segal, Robert

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

Plural cathodes or heaters in the load device

315101, 315105, H05B 4104, H05B 4118

Patent

active

039783685

ABSTRACT:
A voltage producing device comprises a circuit in which an AC power source, a coil and a first capacitor connected in series. A unidirectional triode semiconductor switching element is connected across both terminals of the capacitor, a voltage limiting semiconductor element is connected to a gate electrode of the switching element, and a charging-and-discharging circuit including a second capacitor is connected to a cathode of the switching element.

REFERENCES:
patent: 3204123 (1965-08-01), Mahoney et al.
patent: 3287662 (1966-11-01), Walker
patent: 3440488 (1969-04-01), Skirvin
patent: 3643127 (1972-02-01), Laupman
patent: 3659150 (1972-04-01), Laupman
patent: 3705329 (1972-12-01), Vogeli
patent: 3767970 (1973-10-01), Collins
patent: 3836817 (1974-09-01), Ischang et al.

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