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Touch Sensitive Device Employing Bending Wave Vibration Sensors That Detect Touch Location And Provide Haptic Feedback

  • US 20120229407A1
  • Filed: 10/29/2010
  • Published: 09/13/2012
  • Est. Priority Date: 10/29/2009
  • Status: Active Grant
First Claim
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1. A touch sensitive device comprisinga touch sensitive display member capable of supporting bending wave vibration and having a user accessible display surface,an array of transducers coupled to the display member with the array of transducers comprising at least some transducers which are configured to both detect physical touching of the input surface by the user and to input impulses into the display member to produce a haptics sensation to the user in response to said detected touching of the display surface, anda signal processor to receive signals from at least some of transducers in the array of transducers and adapted to analyse the signals to determine the location of the physical touch on the display surface.

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