Wire stripper
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United States of America Patent
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Oct 13, 2015
Grant Date -
Feb 6, 2014
app pub date -
Jul 31, 2013
filing date -
Aug 1, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A wire stripper includes a displacement current detection and current-voltage conversion circuit that when stripping blades contact a wire core of an electric wire in a process of stripping a coating of the electric wire at a time when a predetermined time t has elapsed since a square DC signal was applied to the stripping blades from an electric signal generator circuit through a signal line, detects a displacement current of the signal line, converts the current into a voltage, and holds the voltage; and a determination circuit that determines whether the voltage of the signal line is a voltage level Vok at a time of non-contact or a voltage level Vng at a time of contact of the stripping blades with the wire core so as to detect the contact of the stripping blades with the wire core.
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