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Lighting apparatus for projector

  • US 7,514,880 B2
  • Filed: 12/25/2005
  • Issued: 04/07/2009
  • Est. Priority Date: 01/07/2005
  • Status: Active Grant
First Claim
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1. A lighting apparatus for a projector, comprising:

  • a control module, used for generating a lighting signal;

    a lamp driver, connected to said control module and used for receiving said lighting signal and controlling a lamp according to said lighting signal, said lamp driver generating a high transient voltage to said control module when said lamp lightens; and

    a transient voltage suppression circuit, disposed between said control module and said lamp driver, used for transmitting said lighting signal to said lamp driver, and attenuating said high transient voltage and then outputting said attenuated high transient voltage to said control module.

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