Starting and operating circuit for gaseous discharge lamps

Details Starting and operating circuit for gaseous discharge lamps Starting and operating circuit for gaseous discharge lamps

1974-09-30

1976-01-06

Demeo, Palmer C.

Electric lamp and discharge devices: systems

Load device in the primary and secondary circuit of the...

315183, 315231, 315258, 315324, 315DIG2, H05B 4114

Patent

active

039315436

ABSTRACT:
Circuits are disclosed for starting and operating a high pressure sodium vapor lamp in combination with another gaseous discharge lamp of low voltage breakdown characteristics. The sodium vapor lamp is connected in series with a ballast induction coil, while the low voltage breakdown lamp, a portion of the ballast coil at its input side, and a capacitor are connected in a series discharge loop to produce high frequency, high voltage pulses for starting the sodium vapor lamp, and providing for operation of both lamps. A ballast capacitor is connected in series with the low voltage lamp to provide a lead ballast circuit therefor.

REFERENCES:
patent: 2682014 (1954-06-01), Feinberg
patent: 2686906 (1954-08-01), Schevtchuk
patent: 2760118 (1956-08-01), Moerkens
patent: 3235769 (1966-02-01), Wattenbach

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