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Method and system for performing scrolling by movement of a pointing object in a curvilinear path on a touchpad

  • US 7,817,145 B2
  • Filed: 04/20/2009
  • Issued: 10/19/2010
  • Est. Priority Date: 04/18/2008
  • Status: Active Grant
First Claim
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1. A method for scrolling using a touchpad for interface control, said method comprising the steps of:

  • 1) providing a touchpad including a linear scrolling region and a general purpose area of operation;

    2) touching down with a pointing object in the linear scrolling region to engage a scrolling mode;

    3) moving the pointing object in an initial direction of scrolling to thereby begin a scrolling action;

    4) moving the pointing object from the linear scrolling region to the general purpose area, wherein the scrolling action continues in the initial direction;

    5) moving the pointing object along a curvilinear path to continue the scrolling action in the initial direction; and

    6) keeping the pointing object disposed on the touchpad as long as the scrolling action is desired, and removing the pointing object to disengage the scrolling mode.

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