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Method and apparatus for controlling the whereabouts of an animal

  • US 6,166,643 A
  • Filed: 09/30/1999
  • Issued: 12/26/2000
  • Est. Priority Date: 10/23/1997
  • Status: Expired due to Fees
First Claim
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1. An apparatus affixable to an animal for controlling the whereabouts of the animal, the apparatus comprising:

  • a receiver for receiving radio signals intermittently transmitted from at least one transmitter, said radio signals defining at least one boundary for the animal; and

    a stimulator, operably coupled to said receiver, for administering at least one stimulus to the animal to deter the animal from encroachment of said at least one boundary in response to determining that a subsequent one of said radio signals was received during a predetermined time interval following reception of a prior one of said radio signals.

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