Active tamper detection system for electronic modules
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United States of America Patent
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Sep 20, 2005
Grant Date -
Jul 1, 2004
app pub date -
Dec 28, 2002
filing date -
Dec 28, 2002
priority date (Note) -
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Abstract
Tamper detecting enclosures are described. In one configuration, an inflated balloon at least partially surrounds a module in an enclosure and biases at least one normally opened switch into a closed position during normal operation. If an attacker attempts to attack the enclosure, the balloon should at least partially deflate and cause the switch to return to its normally opened position thereby detecting the attack. In another configuration, the balloon is adhered to the inside wall of the outer enclosure.
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