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Printing cartridge with capacitive sensor identification

  • US 6,702,417 B2
  • Filed: 08/06/2001
  • Issued: 03/09/2004
  • Est. Priority Date: 07/15/1997
  • Status: Expired due to Fees
First Claim
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1. A printing cartridge that comprisesa housing;

  • and an actuating formation that is positioned on the housing and is capable of actuating a number of capacitive sensors in an array of such sensors, the actuating formation being configured to represent data relating to at least one of;

    a serial number of the cartridge, a media and a media colorant, so that the capacitive sensors, when actuated, together generate a signal carrying such data.

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