Electric device provided with a metal vapor discharge lamp

Details Electric device provided with a metal vapor discharge lamp Electric device provided with a metal vapor discharge lamp

1977-01-07

1978-09-26

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Filament, electric heater, or resistance in shunt with the...

315 53, 315 58, 315 60, 315 71, 315264, H01J 744, H01J 1346, H01J 1978, H01K 162

Patent

active

041173716

ABSTRACT:
A metal vapor discharge lamp includes a discharge tube with main electrodes at each end. A starting electrode extends around at least an axial portion of the tube intermediate the main electrodes, one main electrode is connected to the starting electrode by a first resistance and the other main electrode is connected to the other electrode by a second resistance. At least one of the resistances has a temperature dependent characteristic which is substantially more positive than the other resistance.

REFERENCES:
patent: 2247198 (1941-06-01), Krefft et al.
patent: 2286789 (1942-06-01), Dench
patent: 3093769 (1963-06-01), Kuhl et al.

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