Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Filament or electric heater in series with a discharge...
Patent
1979-03-22
1980-11-18
Lieberman, Eli
Electric lamp and discharge devices: systems
Combined load device or load device temperature modifying...
Filament or electric heater in series with a discharge...
315 52, H01J 744
Patent
active
042348188
ABSTRACT:
Mixed light lamps require a complicated construction so as to be able to suspend the filament and the discharge lamp. In a mixed light lamp according to the invention a bipartite filament of coiled-coil wire is used, the parts of which are each stretched between one pole wire and a current supply conductor of the discharge lamp.
REFERENCES:
patent: 2517126 (1950-08-01), Macksoud
patent: 3048741 (1962-08-01), Thouret
patent: 3445719 (1969-05-01), Thouret et al.
Lieberman Eli
Roberts Charles F.
Smith Robert S.
U.S. Philips Corporation
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