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System and method for managing projector bulb life

  • US 20050110958A1
  • Filed: 11/21/2003
  • Published: 05/26/2005
  • Est. Priority Date: 11/21/2003
  • Status: Active Grant
First Claim
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1. A system for managing projector bulb life, the system comprising:

  • a luminance sensor disposed to sense the luminance of the projector bulb;

    a luminance controller interfaced with the luminance sensor and a power driver of the projector bulb, the luminance controller operable to reduce the power driver output to limit projector bulb luminance at or below a setpoint level associated with a desired projector bulb life if the maximum luminance of the projector bulb is greater than a predetermined brightness.

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