Electrodeless coupled discharge lamp having reduced spurious ele

Details Electrodeless coupled discharge lamp having reduced spurious ele Electrodeless coupled discharge lamp having reduced spurious ele

1978-12-22

1981-03-03

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

315 57, 315 70, 315 85, 313242, H05B 4116, H05B 4124

Patent

active

042543630

ABSTRACT:
An electrodeless discharge lamp having a sealed elongated toroidal envelope containing an ionizable medium with means for inducing ionization of the medium including a radio frequency energy supply coil formed by coating a transparent conductive material on the envelope. The coil is mounted to reduce the stray radio frequency field and the torroidal envelope is formed to allow for convection cooling of the lamp.

REFERENCES:
patent: 2790936 (1957-04-01), Bell
patent: 2939049 (1960-05-01), Blackman
patent: 3521120 (1970-07-01), Anderson
patent: 3987334 (1976-10-01), Anderson
patent: 4171503 (1979-10-01), Kwon
patent: 4187445 (1980-02-01), Houston
patent: 4187447 (1980-02-01), Stout et al.

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