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    • 4. 发明公开
    • ELECTRONIC LOCK BOX PROXIMITY ACCESS CONTROL
    • NÄHERUNGSZUGANGSKONTROLLEFÜREINEN ELEKTRONISCHEN VERSCHLUSSKASTEN
    • EP2616889A2
    • 2013-07-24
    • EP11825815.1
    • 2011-09-13
    • Sentrilock, Llc
    • FISHER, Scott, R.
    • G05B19/00
    • G07C9/00896G07C9/00571G07C2009/00793G07C2009/00936
    • An electronic lock box system includes a wireless portable transponder that communicates with an electronic lock box using a low power radio link. The portable transponder includes: a wide area network radio to communicate to a central clearinghouse computer, a motion sensor to activate its wide area network radio, and a connector to communicate with a secure memory device. The electronic lock box sends a hail message that is intercepted by the portable transponder; the hail message includes identification information. The portable transponder responds with a message that includes a time sensitive encryption key; the lock box authenticates this response message using its own time sensitive encryption key. If the messages are authenticated, the lock box sends an access event record to the portable transponder, and this access event record is stored in the secure memory device. If a wide area network is available, the portable transponder sends the access event record to the central clearinghouse computer.
    • 电子锁盒系统包括使用低功率无线电链路与电子锁箱通信的无线便携式应答器。 便携式转发器包括:用于与中央票据交换所计算机通信的广域网无线电,激活其广域网无线电的运动传感器,以及与安全存储装置通信的连接器。 电子锁箱发送由便携式应答器拦截的冰雹消息; 冰雹消息包括识别信息。 便携式应答器用包含时间敏感加密密钥的消息进行响应; 该锁盒使用其自己的时间敏感加密密钥来验证该响应消息。 如果消息被认证,则锁定框向便携式应答器发送访问事件记录,并且该访问事件记录被存储在安全存储器设备中。 如果广域网可用,则便携式应答器将访问事件记录发送到中央票据交换所计算机。