High pressure metal vapor discharge lamp

Details High pressure metal vapor discharge lamp High pressure metal vapor discharge lamp

1983-12-12

1986-02-04

Moore, David K.

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Discharge device load

315 73, 315335, 313 54, 313638, 313639, H01J 744, H01J 6508

Patent

active

045688567

ABSTRACT:
A high pressure metal vapor discharge lamp including an arc tube having at least a main electrode at each end thereof, a fill sealed in the arc tube, including mercury, metal halide and starting gases selected from the group consisting of Ar, Kr and Xe, a radioactive source material, impregnated with a radioactive substance having a half-life less than 1.times.10.sup.4 years, sealed in the arc tube and a circuit including a conventional low voltage mercury lamp ballast and a glow starter for starting the arc tube.

REFERENCES:
patent: 4044276 (1977-08-01), Keeffe et al.
patent: 4117370 (1978-09-01), Jacobs et al.
patent: 4258289 (1981-03-01), Michael
patent: 4277725 (1981-07-01), Sneijers
patent: 4445067 (1984-04-01), Inoue et al.

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