High-pressure discharge lamp

Details High-pressure discharge lamp High-pressure discharge lamp

2006-11-07

2006-11-07

Wong, Don (Department: 2163)

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Discharge device load

C315S059000, C313S578000

Reexamination Certificate

active

07132800

ABSTRACT:
A high-pressure discharge lamp has a discharge vessel that is enclosed, with an interspace, by an outer bulb. The end of the outer bulb is provided with a lamp cap. The lamp has an ignition circuit including a series connection of a glow starter and an ohmic impedance. The ohmic impedance is formed by a halogen incandescent lamp. The mutual orientation of the glow starter and the ohmic impedance is such that heat produced by the ohmic impedance is at least partly intercepted by the glow starter.

REFERENCES:
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patent: 4987344 (1991-01-01), Zaslavsky et al.
patent: 5420479 (1995-05-01), Iida et al.
patent: 5811933 (1998-09-01), Van Den Nieuwenhuizen et al.
patent: 6194846 (2001-02-01), Van Veldhuizen
patent: 6661177 (2003-12-01), Luijks et al.
patent: 1596161 (1981-08-01), None

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