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Multiple pad contact sensor and method for measuring contact forces at a plurality of separate locations

  • US 5,086,652 A
  • Filed: 02/25/1991
  • Issued: 02/11/1992
  • Est. Priority Date: 02/25/1991
  • Status: Expired due to Term
First Claim
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1. A contact sensor comprising a pair of thin flexible insulating sheets secured to each other in a confronting relationship and including a single terminal, a plurality of elongate flexible leads extending from said terminal, each said lead being separately flexible, and a sensing pad at the remote end of each lead,each of said sensing pads having a first set of electrodes on one of said sheets and a second set of electrodes on the other of said sheets in a crossing relationship to said first set of electrodes, and pressure-sensitive resistive material disposed between said sets of electrodes in the zones of their crossing relationships, said sets of electrodes defining plural intersections in each of said sensing pads,said terminal having a plurality of contacts and adapted to be received in a single connector having complementary contactors for receiving signals from said plurality of contacts,and conductors extending from each of said electrodes along said leads to said terminal,and each of said sensing pads being separately positionable via said separately flexible leads in separate selected locations between a pair of confronting surfaces to sense the loads applied at each said selected location.

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