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Omnidirectional sonde and line locator

  • US 20040070399A1
  • Filed: 10/09/2002
  • Published: 04/15/2004
  • Est. Priority Date: 10/09/2002
  • Status: Active Grant
First Claim
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1. An omnidirectional manually portable system for locating a buried object by sensing an electromagnetic signal emitted by the buried object, comprising:

  • at least one antenna array including three substantially mutually orthogonal antennas each sharing a common center point;

    a housing connected to and supporting the antenna array; and

    circuit means at least partially mounted in the housing and connected to the antennas in the antenna array for sensing an electromagnetic signal emitted from a buried object and determining a location of the buried object by measuring signal strength and field angles in three dimensions.

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