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Method and apparatus for controlling a skin texture surface on a device using a shape memory alloy

  • US 7,876,199 B2
  • Filed: 04/04/2007
  • Issued: 01/25/2011
  • Est. Priority Date: 04/04/2007
  • Status: Active Grant
First Claim
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1. A portable electronic device comprising:

  • a controllable skin texture surface comprising a skin texture surface actuation structure that is comprised of a plurality of hinged elements having a first shape memory alloy coupled thereto to effect movement of the hinged elements and a flexible skin structure that moves in response to movement of the plurality of hinged elements to change a tactile configuration of at least a portion of the controllable skin texture surface.

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