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Non-intrusive cable fault detection and methods

  • US 9,103,864 B2
  • Filed: 07/06/2011
  • Issued: 08/11/2015
  • Est. Priority Date: 07/06/2010
  • Status: Active Grant
First Claim
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1. A cable fault detection device comprising:

  • a monopole structure that is generally cylindrical, the monopole structure defining a slit that is parallel to an axis of the generally cylindrical monopole structure, the monopole structure having a first end and a second end, the slit passing from the first end to the second end, the slit being configured to allow the monopole structure to fit circumferentially around a cable having a longitudinal axis such that the cable axis is parallel to the axis of the generally cylindrical monopole structure and the cable extends beyond the first end and the second end of the monopole structure; and

    a ground plane structure having a length, a width, and a thickness, wherein the length of the ground plane structure is configured to be generally parallel to the cable longitudinal axis when the monopole structure is placed circumferentially around the cable; and

    circuitry for generating a conformal surface wave step signal at the detection device, the signal upon generation, propagating along a surface of the cable or through a dielectric coating on the cable to detect the cable fault.

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