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Electronic locking seal

  • US 7,477,146 B2
  • Filed: 08/14/2003
  • Issued: 01/13/2009
  • Est. Priority Date: 08/27/2002
  • Status: Expired due to Fees
First Claim
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1. A tamper-resistant remotely monitorable electronic seal comprising:

  • a shaft portion including a frangible shaft portion having a press-fit tip;

    a socket including a press-fit socket arranged to engage said shaft portion in a monitorable manner by engaging said press-fit tip in a destructably removable manner, whereby disengagement of said socket and said shaft portion results in a monitorable event and in breakage of said shaft portion; and

    a wireless communicator associated with at least one of said shaft portion and said press-fit socket and being operative to provide a remotely monitorable indication of said monitorable event,said shaft portion including at least one conductive path, extending at least through said shaft portion and being breakable in response to breakage of said shaft portion, which is interrupted in response to disengagement of said socket and said shaft portion, andsaid wireless communicator being operative to provide a remotely monitorable indication of the integrity or lack of integrity of said at least one conductive path.

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