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System and method for monitoring the cold chain integrity of environmentally sensitive packaged goods

  • US 10,089,594 B2
  • Filed: 05/31/2013
  • Issued: 10/02/2018
  • Est. Priority Date: 10/12/2012
  • Status: Active Grant
First Claim
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1. A system for monitoring the cold chain integrity of at least one packet of environmentally sensitive goods, the system comprising:

  • a monitoring unit applied directly to the packet, the monitoring unit comprising;

    an environmental sensor monitoring an environmental condition to which the goods in the packet are subjected to and outputting environmental condition data, a monitoring unit memory to store the environmental condition data output by the environmental sensor, a microprocessor, an optical output device for conveying the environmental condition data stored in monitoring unit memory, an optical output device trigger responsive to a triggering event and operable to cause the optical output device to begin conveying the environmental condition data, and a power supply;

    the system further comprising;

    a camera operable to capture the environmental condition data conveyed by the optical output device;

    a memory for storing the environmental condition data captured by the camera; and

    a processor for analysing the environmental condition data stored in memory; and

    in which the optical output device trigger comprises a photocell, and in which the microprocessor is programmed to monitor the triggering event that the photocell is subjected to and thereafter select one of a plurality of environmental condition data formats to be conveyed by the optical output device depending on the triggering event that the photocell is subjected to.

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