Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Induction-type discharge device load
Patent
1995-09-25
1997-08-05
Pascal, Robert
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
Induction-type discharge device load
315344, 315307, 315200A, H05B 4116
Patent
active
056546106
ABSTRACT:
An electrodeless neon discharge light source having a red color light output is provided for use in automotive applications. The light source has a lamp envelope containing a fill of neon gas which, when excited to a discharge state by introduction of an operating signal over a tuned circuit consisting of a resonant capacitor and a ferrite coil, produces a red color light output. A flash control input to a ballast circuit arrangement provides the ability to control the light output using bursts of high frequency sinusoidal energy. The use of the burst signal approach allows for providing varying levels of light intensity output thereby signifying the distinction between braking conditions and an on condition of the tail light. Furthermore, by controlling the rate of flashing of the light source, an indication of a hard braking or emergency condition, could be conveyed.
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Allison Joseph M.
Cassarly William J.
Davenport John M.
Stanton Thomas R.
General Electric Company
Hawranko George E.
Pascal Robert
Philogene Haissa
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