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Object detection system having adjustable focus

  • US 8,744,693 B2
  • Filed: 11/22/2010
  • Issued: 06/03/2014
  • Est. Priority Date: 11/22/2010
  • Status: Expired due to Fees
First Claim
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1. An object detection system, comprising:

  • a first array of laser beam transmitters configured to generate a first plurality of grid lines on a ground surface;

    a second array of laser beam transmitters configured to generate a second plurality of grid lines on the ground surface and produce a plurality of intersections with the first plurality of grid lines; and

    a receiver configured to detect the plurality of intersections and generate a signal used to create an electronic terrain map based on the detection,wherein at least one of the first and second arrays of laser beam transmitters is selectively movable during operation to change a location of at least one of the plurality of intersections.

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