Electrodeless low-pressure discharge lamp with thermally isolate

Details Electrodeless low-pressure discharge lamp with thermally isolate Electrodeless low-pressure discharge lamp with thermally isolate

1988-06-08

1990-05-01

Boudreau, Leo H.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

315 57, 315344, 315 39, 313492, 313493, H05B 4116

Patent

active

049221574

ABSTRACT:
The electrodeless low-pressure discharge lamp comprises a discharge vessel (1) having an inwardly extending protuberance (2) and an evacuated outer bulb (5) having a protuberance (6) projecting into the protuberance (2). A soft magnetic body (3) is arranged in the protuberance (6). It is a heat-resistant envelope (22) and is surrounded by an electrical coil (4) outside the envelope (22).

REFERENCES:
patent: 4119889 (1978-10-01), Hollister
patent: 4247800 (1981-01-01), Proud et al.
patent: 4437041 (1984-03-01), Roberts
patent: 4455508 (1984-06-01), Wesselink
patent: 4622495 (1986-11-01), Smeelen
patent: 4727294 (1988-02-01), Houkes et al.
patent: 4727295 (1988-02-01), Postma et al.

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