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Automatic image-quality adjustment system

  • US 6,727,489 B2
  • Filed: 10/17/2001
  • Issued: 04/27/2004
  • Est. Priority Date: 04/19/2001
  • Status: Expired due to Fees
First Claim
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1. An image-quality adjustment system for a liquid-crystal projector that projects an image onto a surface according to an input image signal, comprising:

  • at least one photosensor for sensing brightness and color of external light reflected from the surface and received at the liquid-crystal projector; and

    a processor for adjusting the image signal according to the detected brightness and color.

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