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Secure cargo transportation system

  • US 7,253,715 B2
  • Filed: 01/18/2005
  • Issued: 08/07/2007
  • Est. Priority Date: 08/14/1997
  • Status: Expired due to Fees
First Claim
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1. A cargo transportation system comprising:

  • a movable container including an enclosure having an opening;

    a door movable relative to the opening between a closed position, wherein the door restricts access to the enclosure, and an open position;

    an electronically operable lock configured to selectively lock the door and to selectively unlock the door;

    a wireless receiver supported by the movable container and configured to receive information indicative of the destination for the container;

    an electronic position-determining system, supported by the movable container, coupled to the wireless receiver and configured to provide a signal to electronically unlock the door in response to determining that the movable container is within a predetermined distance of the destination; and

    a paging receiver, different from the wireless receiver, supported by the moveable container and configured to provide a signal to electronically unlock the door, even if the movable container is not within a predetermined distance of the destination, in response to receiving a page from a remote operator indicating that emergency access to the enclosure has been granted by the operator.

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