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Haptic notifications

  • US 10,490,035 B2
  • Filed: 11/01/2017
  • Issued: 11/26/2019
  • Est. Priority Date: 09/02/2014
  • Status: Active Grant
First Claim
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1. A method of providing haptic output, the method comprising:

  • applying an input voltage waveform to a haptic actuator comprising an actuator mass wherein;

    applying the input voltage waveform to the haptic actuator causes a momentum of the actuator mass to increase from zero to a peak intensity; and

    wherein the increase in momentum from zero to the peak intensity occurs during a first time period of between approximately three milliseconds and approximately twenty milliseconds, and wherein the first time period starts when the input voltage waveform is initially applied to the haptic actuator.

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