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Tunnel camera system

  • US 10,015,453 B2
  • Filed: 08/03/2015
  • Issued: 07/03/2018
  • Est. Priority Date: 08/03/2015
  • Status: Active Grant
First Claim
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1. A tunnel camera system comprisinga frame sized to fit within a tunnel;

  • an animal detection unit that detects cold-blooded animals traversing the tunnel, the animal detection unit including;

    an elevated threshold that extends across a width of the tunnel, the elevated threshold including;

    a photo emitter that generates a light beam, the photo emitter being mounted at a first end of the elevated threshold, anda photoelectric receiver that receives the light beam, the photoelectric receiver mounted at a second end of the elevated threshold, wherein the light beam is low enough with respect to a surface of the elevated threshold that cold-blooded animals moving over the surface of the elevated threshold are raised in height sufficiently to block the light beam as the cold-blooded animals move over the elevated threshold; and

    ,a camera, mounted on the frame, the camera being aimed toward the surface of the elevated threshold and focused to capture visual recordings of the cold-blooded animals as they move over the elevated threshold;

    wherein the photoelectric receiver sends a trigger signal when an animal blocks the light beam, the camera capturing a first visual recording of the animal when the photoelectric receiver sends the trigger signal;

    wherein a top surface of the elevated threshold is solid and forms a ridge that is sloped downward from a peak height through-out the top surface at a sufficient angle that encourages debris to roll off the elevated threshold.

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