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Methods and systems for providing haptic control

  • US 8,780,060 B2
  • Filed: 11/02/2010
  • Issued: 07/15/2014
  • Est. Priority Date: 11/02/2010
  • Status: Active Grant
First Claim
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1. A haptic control system comprising:

  • a substantially rigid substrate;

    an elastic screen sheet substantially parallel to the rigid substrate;

    a first plurality of shape change elements arranged in a first single layer array substantially parallel to and between the substrate and the elastic screen sheet;

    a second plurality of shape change elements arranged in a second single layer array substantially parallel to the first single layer array, wherein the second array is between the first single layer array and the elastic screen sheet;

    an intermediate elastic sheet substantially parallel to the rigid substrate, wherein the intermediate elastic sheet is positioned between the first single layer array and the second single layer array; and

    control circuitry coupled to the first single layer array and the second single layer array;

    wherein;

    the first plurality of shape change elements deforms a first region of the elastic screen sheet upon receipt of a first electrical signal; and

    the second plurality of shape change elements deforms a second region of the elastic screen sheet upon receipt of a second electrical signal.

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