Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Filament or electric heater in series with a discharge...
Patent
1980-02-27
1983-01-04
Chatmon, Jr., Saxfield
Electric lamp and discharge devices: systems
Combined load device or load device temperature modifying...
Filament or electric heater in series with a discharge...
313225, 313229, 315179, 315181, H01J 744, H01J 1734, H01J 1978, H01J 2996
Patent
active
043674321
ABSTRACT:
In a blended lamp, an incandescent filament and a high-pressure discharge tube are arranged electrically in series. The filament forms part of a halogen incandescent lamp and the discharge tube contains a sodium amalgam which is very high in mercury. A relatively high lumen per Watt-value is thereby combined with an acceptable color of the light.
REFERENCES:
patent: 2208998 (1940-07-01), Mey
patent: 2329626 (1943-09-01), Krefft et al.
patent: 3048741 (1962-08-01), Thouret
patent: 3384798 (1968-05-01), Schmidt
patent: 3445719 (1969-05-01), Thouret et al.
patent: 3851207 (1974-11-01), McVey
patent: 4146813 (1979-03-01), Van Vliet
patent: 4253037 (1981-02-01), Driessen et al.
Glenny Alfred E. T.
van Vliet Johannes A. J. M.
Chatmon, Jr. Saxfield
Smith Robert S.
U.S. Philips Corporation
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