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Haptic feedback for touchpads and other touch controls

  • US 7,978,183 B2
  • Filed: 11/15/2007
  • Issued: 07/12/2011
  • Est. Priority Date: 06/23/1998
  • Status: Expired due to Fees
First Claim
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1. A method of selectively outputting haptic effects in a portable device comprising:

  • sensing a user'"'"'s input on a touch screen of the portable device, wherein the user'"'"'s input is in contact with the touch screen;

    outputting a haptic effect via an actuator to the portable device upon sensing the user'"'"'s input at a predetermined location on the touch screen;

    sensing whether the user'"'"'s input remains in contact with the touch screen for a predetermined amount of time; and

    terminating outputting the haptic effect when the contact with the touch screen exceeds the predetermined amount of time.

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