Penetration detection system
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United States of America Patent
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Jun 13, 1995
Grant Date -
N/A
app pub date -
Oct 6, 1992
filing date -
Oct 6, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A piezoelectric detecting system for detecting the opening of an enclosure without the need of an external battery or electrical system is disclosed. Several different piezoelectric sensor configurations to effect the detecting system are disclosed.
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