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Gestures for devices having one or more touch sensitive surfaces

  • US 8,970,503 B2
  • Filed: 06/13/2007
  • Issued: 03/03/2015
  • Est. Priority Date: 01/05/2007
  • Status: Active Grant
First Claim
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1. A computer implemented method for performing operations on a device having a touch sensitive display, said method comprising:

  • determining a number of fingers touching the display;

    detecting a rolling gesture at a surface of the display by one or more fingers, the rolling gesture including lifting a portion of the one or more fingers previously touching the surface of the display off the display, and placing a portion of the one or more fingers previously above the surface of the display onto the display;

    associating the rolling gesture with an object displayed on the display;

    determining a parameter of the rolling gesture;

    performing at least one operation on the object based on the parameter of the rolling gesture; and

    changing a rate of the at least one operation dynamically in response to a detected change in a number of fingers touching the surface of the display during the rolling gesture.

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