Metal vapor discharge lamp

Details Metal vapor discharge lamp Metal vapor discharge lamp

1982-08-12

1984-11-06

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Electric switch inside evacuated or gas filled envelope

313 25, 313568, 315 46, 315 47, 315 49, 315 74, 315100, H01J 744, H01J 1734, H01J 1978, H01J 2316

Patent

active

044814461

ABSTRACT:
In a metal vapor discharge lamp for operating it by high voltage generated in the actuation of a heat sensitive switch means in an outer bulb, a relatively low pressure of a sealed gas or mercury is sealed in the outer bulb to operate the heat sensitive switch means in the gas atmosphere to control the surge voltage to a desired degree whereby the discharge lamp is operated without failure and the insulation breakdown of a ballast and an operation circuit is prevented.

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patent: 3610983 (1971-10-01), Grabner et al.
patent: 3619682 (1971-11-01), Waymouth
patent: 3662203 (1972-05-01), Kuhl et al.
patent: 3746914 (1973-07-01), Olson et al.
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patent: 3895248 (1975-07-01), de Vrijer
patent: 4135114 (1979-01-01), Narikiyo
patent: 4137483 (1979-01-01), Ochi et al.
patent: 4170744 (1979-10-01), Hansler
patent: 4316122 (1982-02-01), Yamazaki et al.
patent: 4344018 (1982-08-01), Inada

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