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DUMP PATH LIGHT INTENSITY SENSING IN LIGHT PROJECTOR

  • US 20100328610A1
  • Filed: 06/25/2009
  • Published: 12/30/2010
  • Est. Priority Date: 06/25/2009
  • Status: Active Grant
First Claim
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1. A light projection system comprising:

  • a projection subsystem configured at least to project an image;

    an image forming subsystem comprising;

    a light source subsystem configured at least to generate light, anda light modulation subsystem configured at least to cause the light to follow either a light dump path or an image path in a manner consistent with image data, the light dump path not leading to the projection subsystem, and the image path leading to the projection subsystem; and

    a light-intensity-measurement subsystem configured at least to determine an intensity of the light and comprising a light-intensity sensor in the light dump path.

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