发明名称 Frangible electronic sealing security system
摘要 A system for inspecting a secure enclosure from a remote location to determine whether a secure enclosure door has been opened includes a seal having a base material and an indicator. The base material is bonded across first and second secure enclosure surfaces that must move relative to each other when the secure enclosure door opens. The indicator includes an indicator component that is coupled to the base material to deform in response to a relative movement between the first and second secure enclosure surfaces. The indicator provides a first indication prior to deformation of the indicator component and a second indication after deformation. Indicator components can include an impedance element, a piezoelectric material, volatile memory, a transmitter assembly component or a bar code. A monitor (e.g. RF signal receiver or a bar code reader) receives the indication and determines whether the secure enclosure door has been opened.
申请公布号 US2004227632(A1) 申请公布日期 2004.11.18
申请号 US20030439497 申请日期 2003.05.16
申请人 GRIJALVA RAMON LORENZO;HERMAN MARK ALLEN;LILLY DAVID DANIEL 发明人 GRIJALVA RAMON LORENZO;HERMAN MARK ALLEN;LILLY DAVID DANIEL
分类号 G09F3/03;(IPC1-7):G08B13/00 主分类号 G09F3/03
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