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Electronic monitoring systems, shipment container monitoring systems and methods of monitoring a shipment in a container

  • US 8,390,528 B2
  • Filed: 07/11/2011
  • Issued: 03/05/2013
  • Est. Priority Date: 02/14/2007
  • Status: Expired due to Fees
First Claim
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1. An electronic monitoring system, comprising:

  • an external communications device for being disposed external to a container;

    an internal communications device for being disposed within the container; and

    a passive radio antenna element comprising a first antenna for being disposed within the container, a second antenna for being disposed external to the container, and a connector for spanning a wall of the container, the connector joining the first and second antennas, wherein at least a portion of the connector is configured to be insulated from the wall.

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