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System and method for detecting potential counterfeiting of print cartridges

  • US 7,580,144 B2
  • Filed: 03/22/2004
  • Issued: 08/25/2009
  • Est. Priority Date: 03/22/2004
  • Status: Active Grant
First Claim
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1. A system for detecting potential counterfeiting of print cartridges comprising at least one printing device programmed to:

  • read date information from an installed print cartridge,read a current date from a clock in said printing device,compare said date information and said current date to determine if a difference between said date information and said current date exceeds a threshold,transmit a message to a monitoring server if a difference between said current date and said date information exceeds said threshold,wherein said monitoring server is programmed to analyze said message from said printing device for patterns indicative of counterfeiting of print cartridges.

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