Starting circuit for gaseous discharge lamps

Details Starting circuit for gaseous discharge lamps Starting circuit for gaseous discharge lamps

1978-07-14

1980-06-24

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Surge generator or inductance in the supply circuit

Circuit interrupter in the inductance circuit

315205, 315244, H05B 4116, H05B 4104

Patent

active

042097304

ABSTRACT:
A starting circuit suitable for sodium vapor street lamps is disclosed. The circuit includes a voltage doubler which periodically fires pulses through the lamp ballast. The pulsing is controlled by a neon lamp connected to a gate anode of a triac. When the triac fires the capacitors which form the voltage doubler are shorted across to produce the starting pulse.

REFERENCES:
patent: 3771014 (1973-11-01), Paget
patent: 3889152 (1975-06-01), Bodine, Jr. et al.
patent: 3917976 (1975-11-01), Nuckolls
patent: 3976910 (1976-08-01), Owens et al.
patent: 4072878 (1978-02-01), Engel et al.
patent: 4107579 (1978-08-01), Bodine, Jr.

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