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Discharge lamp lighting circuit

  • US 6,472,830 B2
  • Filed: 01/17/2001
  • Issued: 10/29/2002
  • Est. Priority Date: 01/17/2000
  • Status: Expired due to Fees
First Claim
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1. A discharge lamp lighting circuit comprising:

  • a DC power source circuit to output a bipolar voltage of positive polarity and negative polarity in reference to the ground potential;

    a DC-AC conversion circuit for converting the DC voltage into an AC voltage and supplying the AC voltage to discharge lamps;

    start circuits provided respectively for each discharge lamp to generate a high voltage signal for each discharge lamp; and

    a common voltage supply circuit to supply a voltage to each start circuit.

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