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Secure cargo transportation system

  • US 6,774,762 B2
  • Filed: 06/02/2003
  • Issued: 08/10/2004
  • Est. Priority Date: 08/14/1997
  • Status: Expired due to Fees
First Claim
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1. A secure 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;

    a memory supported by the movable container and configured to store a location coordinate;

    an electronic position-determining system, supported by the movable container and coupled to the memory and configured to electronically unlock the door in response to determining that the movable container is within a predetermined distance of the location coordinate; and

    a wireless receiver supported by the movable container and coupled to the memory and configured to transfer to the memory a location coordinate received from a remote transmitter.

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