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Overhead object detection using optical measurements

  • US 10,156,635 B2
  • Filed: 05/05/2016
  • Issued: 12/18/2018
  • Est. Priority Date: 06/05/2015
  • Status: Active Grant
First Claim
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1. A height pole detection system for detecting a height of an overhead object from a moving vehicle, the height pole detection system comprising:

  • a laser operable to emit a plurality of laser light pulses substantially upwards; and

    a laser light detector operable to detect one or more of the plurality of laser light pulses that are emitted from the laser and subsequently reflected from the overhead object that is located above the height pole detection system,wherein the laser light detector enables detection of the height of the overhead object based on a time of flight of detected laser light pulses; and

    wherein the height pole detection system is further configured to communicate information to one or more processors operable to;

    calculate the time of flight for the laser light pulse to;

    travel from the laser to the overhead object, reflect off of the overhead object, and be detected at the laser light detector;

    calculate the height of the overhead object based on the time of flight of the laser light pulse;

    compare the height of the overhead object to a defined threshold, wherein the defined threshold is associated with a height of an oversize load that is being transported along a defined route; and

    generate an alert when the height of the overhead object is less than the defined threshold.

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