CPU-controlled, rearming, high voltage output circuit for electronic animal trap
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United States of America Patent
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Jan 4, 2005
Grant Date -
Nov 25, 2004
app pub date -
Oct 20, 2003
filing date -
May 5, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
An electronic animal trap with a CPU-controlled, rearming, high voltage output circuit for trapping and exterminating pests. The high-voltage output circuit is connected to a pair of killing plates which are activated with a high-voltage pulse train for a period of time constituting a killing cycle when a known impedance is sensed across the plates. If, upon conclusion of the killing cycle, the impedance remains across the plates, the circuit activates a visual indicator to alert a user that the trap contains a dead mouse. However, if the impedance increases to that of an open circuit, likely meaning the animal has escaped, the circuit automatically rearms itself and no visual indicator is initiated.
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