Starting circuit for an electrodeless high intensity discharge l

Details Starting circuit for an electrodeless high intensity discharge l Starting circuit for an electrodeless high intensity discharge l

1993-01-19

1994-07-19

Pascal, Robert J.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

315344, 315241R, 315 85, H05B 4116

Patent

active

053312546

ABSTRACT:
A starting circuit for an electrodeless HID lamp includes a visible light radiator for illuminating a gas probe starter during lamp starting. In one embodiment, a light emitting diode (LED) illuminates the gas probe starter via a quartz tube. Excitation is provided to the LED by the same source used to excite the gas probe starter.

REFERENCES:
patent: 4810938 (1989-03-01), Johnson et al.
patent: 4812702 (1989-03-01), Anderson
patent: 4950059 (1990-08-01), Roberts
patent: 4972120 (1990-11-01), Witting
patent: 5039903 (1991-08-01), Farrall
patent: 5057750 (1991-10-01), Farrall et al.
patent: 5095249 (1992-03-01), Roberts et al.
patent: 5103140 (1992-04-01), Cocoma et al.
patent: 5118996 (1992-06-01), El-Hamamsy et al.
G. F. Weston, Cold Cathode Glow Discharge Tubes, ILIFFE Books Ltd., London, 1968, pp. 156-158.

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