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Input device securing techniques

  • US 8,791,382 B2
  • Filed: 05/14/2012
  • Issued: 07/29/2014
  • Est. Priority Date: 03/02/2012
  • Status: Active Grant
First Claim
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1. An input device comprising:

  • a sensor substrate having a first set of one or more conductors of a first pressure sensitive key and a second set of one or more conductors of a second pressure sensitive key;

    a spacer layer disposed proximal to the sensor substrate and having first and second openings that expose the first and second sets of conductors, respectively; and

    a flexible contact layer spaced apart from the sensor substrate by the spacer layer and configured to flex through the first and second openings responsive to an applied pressure to contact, respectively, the first and second sets of conductors to initiate respective first and second inputs, in which an arrangement of adhesive that secures the flexible contact layer to the spacer layer along one or more edges of the first opening corresponding to the first pressure sensitive key is different than an arrangement of adhesive that secures the flexible contact layer to the spacer layer along one or more edges of the second opening corresponding to the second pressure sensitive key, the arrangements including discrete portions of applied adhesive, and defining portions along the edges of the openings corresponding to the first and second pressure sensitive keys, respectively, that do not include adhesive.

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