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Tamper-resistant electronic seal

  • US 7,336,170 B2
  • Filed: 03/09/2006
  • Issued: 02/26/2008
  • Est. Priority Date: 12/11/2002
  • Status: Expired due to Term
First Claim
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1. A tamper-resistant remotely monitorable electronic seal comprising:

  • a shaft portion, comprising an inductor;

    a sensor;

    a socket, comprising a transponder, said socket being arranged to engage said shaft portion and said sensor in a monitorable manner; and

    a wireless communicator associated with at least one of said shaft portion, said sensor and said socket and being operative to provide a remotely monitorable indication of at least one monitorable event,said sensor being operative to sense application of force to said electronic seal in an attempt to separate said shaft portion from said socket and to indicate said application of force as one of said at least one monitorable event, andsaid transponder being operative to transmit information relating to said socket, via said inductor, to said wireless communicator.

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