Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Induction-type discharge device load
Patent
1996-06-05
1999-05-18
Lee, Benny T.
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
Induction-type discharge device load
315344, H01J65/04
Patent
active
059053445
ABSTRACT:
In some embodiments, a light bulb for an electrodeless discharge lamp has a protuberance such that the cold spot of the bulb is located in the protuberance. The protuberance is spaced from the induction coil of the lamp so as to be easily accessible. Hence the cold spot temperature is easy to measure and control. In some embodiments, heat sinks are provided to cool the light bulb. An active control element including a Peltier element is provided to control the cold spot temperature.
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English translation of Japanese Patent Document No. 56-28460 dated Mar. 20, 1981.
Brochure--operating principles of the Philips QL lamp system entitled, "QL Induction Lighting", Philips Lighting B.V., 1991 (17 pages).
Diablo Research Corporation
Lee Benny T.
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