Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 5, 2008
Patent Application Number
09729089
Date Filed
December 5, 2000
Patent Primary Examiner
Patent abstract
A discharge lamp lighting apparatus includes a DC-DC converter for outputting voltages having respective different potentials from two wirings, a switching circuit having input terminals connected to the two wirings, an output terminal connected to one electrode of a discharge lamp, and a capacitor having one electrode terminal connected to a second electrode of the discharge lamp and a second electrode terminal connected to one of the two wirings of the DC-DC converter. The switching circuit includes a switching element for controlling connections between one of the two wirings and the output terminal. The other wiring is connected to the output terminal.
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