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Tactile effect surface for optical touch detection

  • US 10,423,280 B2
  • Filed: 02/15/2018
  • Issued: 09/24/2019
  • Est. Priority Date: 12/15/2014
  • Status: Active Grant
First Claim
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1. An optical touch-sensitive device comprising:

  • a touch-sensitive surface that includes an active area over which touch events are detectable, wherein the touch-sensitive surface has a top surface that includes tactile surface features;

    emitters and detectors arranged along a periphery of the touch-sensitive surface, the emitters producing optical beams that travel across the touch-sensitive surface to the detectors, wherein touches in the active area of the touch-sensitive surface disturb the optical beams, the touch-sensitive device determining touch events based on the disturbed optical beams.

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