High pressure vapor discharge lamp with a built-in igniter

Details High pressure vapor discharge lamp with a built-in igniter High pressure vapor discharge lamp with a built-in igniter

1993-04-07

1995-05-30

Pascal, Robert J.

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Electric switch inside evacuated or gas filled envelope

315 46, 315309, 315240, H01J 744

Patent

active

054204798

ABSTRACT:
A built-in igniter type high pressure sodium lamp includes an igniter connected in parallel with an arc tube 1 for a high pressure sodium lamp and composed of a series circuit of a thermally-activated bimetal switch 2 and a nonlinear capacitor 3. The high pressure sodium lamp is so constructed that a heating resistor 11 which can heat the nonlinear capacitor 3 to the Curie point temperature when the igniter operates is connected in parallel with and located close to the nonlinear capacitor 3.

REFERENCES:
patent: 4603281 (1986-07-01), Nilssen
patent: 4742275 (1988-05-01), Ito et al.
patent: 4987344 (1991-01-01), Zaslavsky et al.
patent: 5045757 (1991-09-01), Takenobu et al.
patent: 5138231 (1992-08-01), Iida et al.
"Metal Halide Lamps Designed for Use With Standard High Pressure Sodium Ballast," Proceedings of the IES of Australia and New Zealand Inc., Shunichi Sasaki et al, 1992, pp. 149-158.
"Ceramic Pulse Generating Capacitor and Built-In Starter for High Pressure Sodium Lamps," Illuminating Engineering Society of Australia, Takenobu Iida et al, 1988, pp. 59-65.

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