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Haptic device with controlled traction forces

  • US 9,110,533 B2
  • Filed: 06/12/2014
  • Issued: 08/18/2015
  • Est. Priority Date: 03/21/2007
  • Status: Active Grant
First Claim
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1. A haptic device comprising a substrate having a surface and one or more actuators that subject the substrate to lateral oscillation, wherein a net shear force acts on a user'"'"'s finger or an object in contact with the surface of the substrate, and the net shear force is an average of a higher shear force over a portion of a lateral oscillation cycle and a lower shear force over a remainder of the lateral oscillation cycle.

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