发明名称 |
METHOD FOR MAKING SECURITY SYSTEMS MORE TAMPER RESISTANT AND A SECURITY SYSTEM |
摘要 |
A method for making a security system more tamper resistant involving the step of monitoring an electric reference characteristic in a detection circuit of a security system and generating random periodic changes to the electrical reference characteristic in order to detect any tampering with the electric reference characteristic in the detection circuit.
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申请公布号 |
CA2309507(C) |
申请公布日期 |
2003.07.08 |
申请号 |
CA20002309507 |
申请日期 |
2000.05.25 |
申请人 |
UNTERSCHULTZ, DAVID DARRELL |
发明人 |
UNTERSCHULTZ, DAVID DARRELL |
分类号 |
G08B29/04;(IPC1-7):G08B29/04 |
主分类号 |
G08B29/04 |
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