Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Discharge device load
Patent
1996-08-08
1997-08-26
Pascal, Robert
Electric lamp and discharge devices: systems
Combined load device or load device temperature modifying...
Discharge device load
315 44, 315178, 315323, 313 25, 313623, H01J 744
Patent
active
056613679
ABSTRACT:
A high pressure gas discharge lamp includes first and second discharge devices electrically connected in series within an outer envelope. The discharge devices each include a discharge vessel enclosing a discharge space with an ionizable fill and first and second discharge electrode assemblies. The first discharge electrode assemblies of the discharge devices are connected so as to receive a starting pulse and lamp operating voltage. Each discharge vessel includes a first wall portion spaced from the first discharge electrode assembly and defining an ionizable gap therebetween. A conductive element bridges the discharge devices at the first wall portions and capacitively couples the first discharge electrode assemblies to induce ionization in one of the discharge devices in the ionizable gap between the first wall portion and first discharge electrode assembly.
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Fellows Mark W.
Jackson Andrew D.
Shumway Daniel H.
Egbert, III Walter M.
Pascal Robert
Philips Electronics North America Corporation
Philogene Haissa
Wieghaus Brian J.
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