Electronic animal confinement system

  • US 5,682,839 A
  • Filed: 10/23/1995
  • Issued: 11/04/1997
  • Est. Priority Date: 07/15/1993
  • Status: Expired due to Term
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First Claim
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1. A receiver adapted to be supported on an animal to confine the animal behind a boundary defined by a boundary signal, the receiver comprising:

  • three generally orthogonally positioned antennas;

    a source of annoyance signals;

    receiver circuitry coupled to the source of annoyance signals and enabling the annoyance signals in response to receipt of a boundary signal on at least one of the antennas; and

    switch circuitry coupled to the antennas and selectively coupling, one at a time, one of the three antennas to the receiver circuitry.

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