Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Induction-type discharge device load
Patent
1985-04-15
1987-06-23
Moore, David K.
Electric lamp and discharge devices: systems
Pulsating or a.c. supply
Induction-type discharge device load
315344, 315 70, 336229, H05B 4116, H05B 4124
Patent
active
046755772
ABSTRACT:
An electrodeless lighting system (10) is provided for converting electromagnetic energy whose spectrum is within the ultraviolet bandwidth into energy within the visible bandwidth of the electromagnetic spectrum through excitation of fluorescent composition coatings (20). The lighting system (10) provides for an excitation mechanism (12) which generates an enclosed magnetic field, an induced electrical field, and a radiating electrical field, where the induced electrical field is substantially parallel and in the same direction as the magnetic field. Both the magnetic and induced electrical fields are applied at substantially the same frequency for accelerating and directing electrons for collision with gas composition atoms contained within a closed contour gas housing (14) and in particular within a gas housing chamber (16). An electrostatic shield (26) substantially encompasses the excitation mechanism (12) is provided for containing the radiating electrical field within the lighting system (10). A bulb member (22) encompasses the electrostatic shield (26) and the excitation mechanism (12). Gas composition atoms which are ionized within the gas housing chamber (16) by collision with accelerated electrons provide for ultraviolet radiation which passes through the substantially transparent excitation mechanism (12), the electrostatic shield (26) and impinges on the coating (20) to re-radiate electromagnetic radiation in the visible portion of the electromagnetic spectrum.
REFERENCES:
patent: 2179601 (1939-11-01), Smith
patent: 2506026 (1950-05-01), Kifer et al.
patent: 4171503 (1979-10-01), Kwon
patent: 4414492 (1983-11-01), Hanlet
patent: 4427922 (1984-01-01), Proud et al.
Intent Patents A.G.
Moore David K.
Rosenberg Morton J.
Salindong Theodore C.
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