Bridge commutator with separate drive oscillator for electrodele

Details Bridge commutator with separate drive oscillator for electrodele Bridge commutator with separate drive oscillator for electrodele

1999-10-05

2000-12-12

Philogene, Haissa

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Induction-type discharge device load

315219, 315278, 315244, 315209R, H05B 4116

Patent

active

061603570

ABSTRACT:
A circuit arrangement for igniting and operating an electrodeless discharge lamp provided with a half-bridge commutator having two switching elements each having an emitter electrode and a control electrode and a parasitic capacitance in between. Each switching element is alternately switched to a conducting state by means of a resonant control circuit. The resonant control circuit is coupled to an oscillator by way of a transformer. The resonant circuit is provided with a capacitor which forms a part of the oscillator.

REFERENCES:
patent: 5003231 (1991-03-01), Perper
patent: 5030889 (1991-07-01), El-Hamamsy et al.
patent: 5142201 (1992-08-01), Wessels
patent: 5200672 (1993-04-01), Sheynberg et al.
patent: 5892327 (1999-04-01), Buij et al.
patent: 5917722 (1999-06-01), Singh
patent: 5945783 (1999-08-01), Schultz et al.
patent: 5962987 (1999-10-01), Statnic

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