Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Filament – electric heater – or resistance in shunt with the...
Patent
1989-05-18
1991-01-01
Pascal, Robert J.
Electric lamp and discharge devices: systems
Combined load device or load device temperature modifying...
Filament, electric heater, or resistance in shunt with the...
315 60, 315 73, H01J 744
Patent
active
049813307
ABSTRACT:
A high-pressure sodium vapor discharge lamp having a discharge vessel in which main electrodes are arranged and an ignition system which comprises an electric conductor surrounding the discharge vessel over at least a part of its circumference, which conductor is electrically connected to a main electrode at least in the inoperative state of the lamp. The electric conductor is a clamping member clamping around the discharge vessel. A fixed, arcuate positioning of the electric conductor is thus obtained.
REFERENCES:
patent: 4498030 (1985-02-01), Goouerts et al.
Van Delm Marc G. A. M.
van der Kruijs Franciscus N. G. R.
Pascal Robert J.
U.S. Philips Corporation
Wieghaus Brian J.
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