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Methods, devices, and systems for creating localized haptic stimulations on a user

  • US 10,684,690 B2
  • Filed: 01/07/2019
  • Issued: 06/16/2020
  • Est. Priority Date: 01/08/2018
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • at a wearable device comprising a plurality of transducers that can each generate one or more waves that propagate away from the wearable device through a medium;

    selecting two or more transducers of the plurality of transducers;

    selecting values for characteristics of waves to be generated by the two or more transducers based, at least in part, on a known impedance of the medium; and

    activating the two or more transducers, producing waves having the selected values, including transmitting the waves into a wrist of a user in a first direction, wherein the waves propagate through the user'"'"'s body away from the wrist in a second direction and constructively interfere at a target location to create a haptic stimulation on the user, and the first direction is substantially perpendicular to the second direction.

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