Electrodeless glow discharge lamp

Details Electrodeless glow discharge lamp Electrodeless glow discharge lamp

1989-12-26

1991-05-07

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

315 39, H05B 4124

Patent

active

050139762

ABSTRACT:
A re-entrant radio frequency cavity geometry for a low-pressure microwave electrodeless lamp such as a compact fluorescent lamp is described. The re-entrant cavity makes use of the properties of a re-entrant coaxial cavity resonator. The electrodeless lamp may be fabricated to have a constant input impedance in both the on and off states. In addition, the lamp starts at a lower drive power than present high efficacy, compact fluorescent lamps.

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