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Secure resource tracker

  • US 7,643,948 B2
  • Filed: 10/18/2007
  • Issued: 01/05/2010
  • Est. Priority Date: 10/18/2007
  • Status: Active Grant
First Claim
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1. A system for tracking resource parameters, said system comprising:

  • a container of ink having an associated memory tag;

    a parameter sensing element sensing a weight of said container of ink; and

    a memory tag reader/writer;

    in which said system is configured to identify said container of ink based on said memory tag;

    in which said system is configured to store information gathered from said parameter sensing element on said memory tag; and

    in which said system is configured to verify a strictly decreasing weight of said container of ink for detecting use of an alternative-brand ink.

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