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Enhanced paint for microwave/millimeter wave radiometric detection applications and method of road marker detection

  • US 6,414,606 B1
  • Filed: 08/11/2000
  • Issued: 07/02/2002
  • Est. Priority Date: 05/28/1997
  • Status: Expired due to Fees
First Claim
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1. The method of detecting roadway markers on a roadway exposed to the sky, comprising the steps of:

  • positioning a MMW radiometric detector at a predetermined position above the roadway with the MMW radiometric detector'"'"'s receiving antenna oriented at a predetermined angle to the roadway surface, said predetermined angle being 45 degrees or larger, but less than ninety degrees;

    moving said MMW radiometric detector along and at a constant height above said roadway to traverse any roadway markers on said roadway; and

    monitoring the output of the detector for a change in output.

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