Tamper indicating bolt
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 14, 2004
Grant Date -
Apr 18, 2002
app pub date -
Jul 11, 2001
filing date -
Jul 11, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A tamper-indicating fastener has a cylindrical body with threads extending from one end along a portion of the body, and a tamper indicating having a transducer for converting physical properties of the body into electronic data; electronics for recording the electronic data; and means for communicating the recorded information to a remote location from said fastener. The electronics includes a capacitor that varies as a function of force applied by the fastener, and non-volatile memory for recording instances when the capacitance varies, providing an indication of unauthorized access.
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