Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Antoon Joseph Bock0
Peter Luerkens0
Wilhelmus Hinderikus Maria Langeslag0
Date of Patent
February 3, 2009
0Patent Application Number
104937960
Date Filed
October 22, 2002
0Patent Primary Examiner
Patent abstract
A ballast arrangement is provided for igniting and operating a discharge lamp. The lamp is connected in a commutating bridge in series with an inductor and parallel to a capacitor. The inductor and the capacitor together form a resonance circuit. During ignition, the bridge is commutated at a comparatively high frequency that changes with respect to time. The series resonance circuit has a resonance frequency that is close to an odd harmonic of the comparatively high frequency.
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