Electrodeless fluorescent lamp

Details Electrodeless fluorescent lamp Electrodeless fluorescent lamp

1978-01-16

1979-10-16

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

315344, 336229, H05B 4116, H05B 4124

Patent

active

041715039

ABSTRACT:
An electrodeless fluorescent light source that includes a non-conducting light transmissive hermetically sealed envelope containing an ionizable gas which is electromagnetically coupled to an ionizing radio frequency (r.f.) energy source is described. The r.f. energy source is an induction coil wound in the form of a toroidal helix to minimize microwave radiation leakage, and is placed within the envelope and in direct contact with the gas in order to maximize energy coupling to the gas.

REFERENCES:
patent: 1807927 (1931-06-01), Morrison
patent: 2939049 (1960-05-01), Blackman
patent: 3508104 (1970-04-01), Braams
patent: 3987334 (1976-10-01), Anderson

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