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Apparatus and method to evaluate an illuminated panel

  • US 7,167,197 B2
  • Filed: 03/22/2002
  • Issued: 01/23/2007
  • Est. Priority Date: 03/22/2002
  • Status: Active Grant
First Claim
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1. An apparatus to evaluate an illuminated panel, comprising:

  • a camera to acquire a real-time digital color image of the illuminated panel;

    a stored digital color image of a standard illuminated panel;

    a monitor to alternately display the real-time image and the stored image for detection of any differences in the illuminated panel; and

    a second camera to acquire a real-time monochromatic digital image of the illuminated panel, wherein the monochromatic digital image and the color digital image are used to evaluate the panel under different, predetermined lighting conditions.

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