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Replacement indicator

  • US 20050078005A1
  • Filed: 10/14/2003
  • Published: 04/14/2005
  • Est. Priority Date: 10/14/2003
  • Status: Abandoned Application
First Claim
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1. A system for determining the effectiveness of a consumable source in a device that uses the consumable source to perform an action of the device, the system comprising:

  • a controller for monitoring the consumable source in the device;

    a consumable source operatively connected to the device;

    sensing means for determining when the consumable source needs replacing; and

    an indicator operatively coupled to the sensing means that signals when the consumable source needs replacing.

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