Detector contructed from fabric

  • US 6,452,479 B1
  • Filed: 01/22/2001
  • Issued: 09/17/2002
  • Est. Priority Date: 05/20/1999
  • Status: Expired due to Term
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First Claim
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1. A position sensor for detecting the position of a mechanical interaction, said sensor including:

  • a first fabric layer having electrically conductive fibres machined therein to provide a first conductive outer layer allowing conduction in all directions along the layer;

    a second fabric layer having electrically conductive fibres machined therein to provide a second conductive outer layer allowing conduction in all directions along the layer;

    a central layer disposed between said first outer layer and said second layer, said central layer including conducting means;

    a first separate insulating layer disposed between said first conductive outer layer and said central layer; and

    a second separate insulating layer disposed between said second conductive outer layer and said central layer;

    wherein said conducting means provides a conductive path between said first conducting outer layer and said second conducting outer layer at the position of a mechanical interaction, and said position sensor has electrical connections to the first and second conductive outer layers only.

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