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Projector

  • US 20060158617A1
  • Filed: 01/20/2005
  • Published: 07/20/2006
  • Est. Priority Date: 01/20/2005
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a projector configured to sequentially project colors of light;

    a light sensitive device; and

    a filter configured to attenuate at least one of the colors before a portion of the light impinges upon the light sensitive device.

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