Security device for stored sensitive data
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United States of America Patent
Stats
-
Sep 1, 1987
Grant Date -
N/A
app pub date -
Jun 23, 1986
filing date -
Oct 30, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A security device (10) contains electronic circuitry (84) including a resettable memory (110) which stores sensitive data. The device (10) includes a housing (11) formed by six ceramic plates (P1-P6) each having provided thereon a pair of serially connected conductive path segments formed in separate, superposed layers and arranged in complementary winding configurations. Between the conductive path segments is disposed a conductive sheet. The conductive path segments are serially interconnected by interconnection blocks (N1-N7) and the conductive sheets are serially interconnected by further interconnection blocks (N8-N14). If an attempt to penetrate the housing results in either of the conductive path segments being interrupted or shorted to the conductive sheet, a reset signal is generated to reset the resettable memory (110) thereby erasing the sensitive data stored therein.
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Cited Art Landscape
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