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Controlling vibrotactile sensations for haptic feedback devices

  • US 20050219206A1
  • Filed: 09/27/2004
  • Published: 10/06/2005
  • Est. Priority Date: 07/01/1999
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • receiving a signal at a haptic feedback device, the haptic feedback device including an actuator, the actuator having a rotatable eccentric mass and defining an axis of rotation; and

    generating a bi-directional drive signal based on the received signal, the drive signal operative to control the actuator to oscillate the mass in two directions about the axis of rotation such that oscillation of the eccentric mass induces haptic feedback.

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