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Absolute Position Determination of Movably Mounted Member in Medication Delivery Device

  • US 20110181301A1
  • Filed: 04/12/2007
  • Published: 07/28/2011
  • Est. Priority Date: 04/12/2006
  • Status: Active Grant
First Claim
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1. A medication delivery device comprising a position determining assembly for determining absolute positions of a first member relative to a second member of the medication delivery device, the position determining assembly comprising:

  • first and second electrically conducting electrodes arranged on the first member, wherein the first and second electrically conducting electrodes are electrically connected through an electronic device having a measurable electronic value, and wherein the first and second electrically conducting electrodes form part of a first group of electrodes,first and second contact members being adapted to establish galvanic electrical connections to the first and second electrically conducting electrodes, said first and second contact members further being adapted to be slid across the first and second electrically conducting electrodes when the first member is moved relative the second member, andan electronic control circuit electrically coupled to the first and second contact members, the electronic control circuit being adapted to determine the measurable electronic value of the electronic device, the electronic control circuit further being adapted to compare a determined measurable electronic value with a set of predetermined values.

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