Electric disabling device with controlled immobilizing pulse widths
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United States of America Patent
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Aug 17, 2010
Grant Date -
Nov 13, 2008
app pub date -
May 10, 2007
filing date -
May 10, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A capacitive discharge stun-gun uses a flyback output circuit in which a semiconductor switch operates under control of a controller or suitable logic circuitry. The flyback circuit can deliver 50-65 kV pulses to a pair of electrodes in order to ionize air adjacent a target in order to initiate good electrical contact. When the electrodes are in good contact with the target, the flyback circuit delivers current at a lower voltage. In one mode of operation the stun-gun is controlled to initially deliver wider pulses optimized for causing air breakdown and to then deliver a series of shorter pulses in pulse groups optimized for causing involuntary muscle cramping.
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