Detection circuit and ink box

Detection circuit and ink box

  • CN 101,112,820 A
  • Filed: 12/20/2006
  • Published: 01/30/2008
  • Est. Priority Date: 12/20/2006
  • Status: Active Application
First Claim
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1. testing circuit comprisesThe electrode pair of a pair of alternate layout, when being full of ink between electrode pair, this electrode pair electric connection;

  • Be used for the signal exchange electrode with the printer exchange message, itself and electrode pair constitute series circuit;

    Produce the AC signal source of cyclical signal;

    It is characterized in that;

    The capacity cell that at least one and described electrode pair is connected in series.

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