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Method of initiating lighting of a discharge lamp, circuit for lighting a discharge lamp, light source device using the circuit, and optical instrument incorporating the light source device

  • US 20020101201A1
  • Filed: 10/31/2001
  • Published: 08/01/2002
  • Est. Priority Date: 01/30/2001
  • Status: Active Grant
First Claim
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1. A method of initiating lighting of a discharge lamp, comprising applying to the discharge lamp to be lighted an initiating voltage resulting from superimposition of a step-up pulse voltage of 1,000 to 3,000 V onto a voltage of 500 to 1,500 V which is continuously applied to the discharge lamp.

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