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Method and system for monitoring containers to maintain the security thereof

  • US 7,333,015 B2
  • Filed: 03/23/2005
  • Issued: 02/19/2008
  • Est. Priority Date: 03/24/2004
  • Status: Expired due to Fees
First Claim
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1. A device for determining whether a security breach of a container has occurred, the device comprising:

  • a sensor for detecting a distance or an angle value between a door of the container and a frame of the container; and

    a microprocessor for establishing a baseline value, the baseline value being related to a calculated mean value from at least two detections, the microprocessor also adapted to define a detection threshold and determine from the detection threshold and the distance or angle value whether a security breach has occurred.

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