H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 41/26 (2006.01) H05B 41/28 (2006.01) H02M 1/00 (2006.01)
Patent
CA 2121726
ABSTRACT Circuit arrangement. An electronic circuit arrangement for operating a discharge lamp, having a a wave rectifier, a storage capacitor charged to a voltage greater than the peak of the rectifier output, and an isolating diode between the rectifier and the diode. An inverter is connected to the energy storage capacitor, and has a high frequency inductive load circuit connected between the inverter output and a junction between the isolating diode and the storage capacitor. A capacitor, connected to the junction in parallel with a series circuit formed by the isolating diode and storage capacitor, forms a highfrequency resonance circuit with the inductive load circuit. Current is drawn from the rectifier only as a series of pulses at the inverter frequency.
Bergervoet Jos R.
Bruning Gert W.
Hernandez Adan F.
Mattas Charles B.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Koninklijke Philips Electronics N.v.
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