Apparatus and method for confining an animal within a boundary
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United States of America Patent
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Aug 1, 2000
Grant Date -
N/A
app pub date -
Feb 18, 1999
filing date -
Feb 18, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An animal control device, and method for confining an animal within a boundary identified by a current carrying conductor. The animal is equipped with a control device, as an antenna coil, which is coupled to a magnetic flux emanating from the conductor. When the animal approaches the boundary conductor, the change in voltage across the antenna coil is compared with a reference change in voltage. As the distance closes from a charging animal, the rate of change in voltage from the antenna coil increases correspondingly, providing a reliable detection of the animal's imminent crossing of the boundary. Conventional animal correction circuitry is provided which, in response to a detected voltage change, issues a corrective stimulus to the animal to stop the animal from crossing the boundary.
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