Patent ID: 7498938
Filing Date: 2009-03-03
Classification: G01C,G06Q

Abstract:
1. A system for monitoring the shipment of cargo from a shipper having a first location defined by a latitude and a longitude to a consignee having a second location differing from the first location and defined by a second latitude and a second longitude, comprising a computer system having routing guide associated therewith, the routing guide having a plurality of way points, each of the way points defined by an expected latitude, an expected longitude and a unique time at which the cargo is expected at the way point; a means for storing data regarding identity of the consignee; and at least one electronic seal attached to the cargo, the seal comprising a means for detecting its current location defined by a latitude and a longitude, a means for detecting the opening of the cargo, a means for periodic two-way wireless communication of data between the seal and the computer system, and a means for reading the data stored in the means for storing, the computer system periodically receiving data from the electronic seal indicating the location of the cargo and wherein the computer system compares the data to the routing guide to determine the condition of the cargo during shipment.