Patent ID: 7522043
Filing Date: 2009-04-21
Classification: G06Q,H04L

Abstract:
1. A cargo container security system comprising: a wireless sensor network comprising a first container security device attached to a first cargo container, and a second container security device attached to a second cargo container, said first and second container security devices being in intermittent wireless communication with each other; and an aggregation device that communicates wirelessly and intermittently with said first container security device and with a communications infrastructure, said aggregation device serving as a wireless bridge for the transfer of data between said wireless sensor network and said communications infrastructure, wherein each container security device comprises a processor, a radio, a battery, a memory, and at least one sensor, and data from said second container security device can be sent to said communications infrastructure via said first container security device and said aggregation device, and wherein said aggregation device comprises a processor programmed to process data from said first and second container security devices, aggregate said processed data, and then send said aggregated processed data to said communications infrastructure, and wherein said data processing comprises the step of analyzing said data from said first and second container security devices to confirm an alarm state, and wherein said processor of said aggregation device is programmed to interrogate said second container security device to confirm an intrusion into said first cargo container indicated by data from said first container security device.