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Touchpad having increased noise rejection, decreased moisture sensitivity, and improved tracking

  • US 7,400,318 B2
  • Filed: 01/12/2004
  • Issued: 07/15/2008
  • Est. Priority Date: 06/22/1999
  • Status: Expired due to Fees
First Claim
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1. A method for providing adaptable precision of a capacitance sensitive touchpad, said method comprising the steps of:

  • (1) determining a speed of an object moving on a touchpad surface;

    (2) determining if the speed of the object is above or below a speed threshold;

    (3) increasing precision of the touchpad when the speed of the object is determined to be below the speed threshold; and

    (4) decreasing precision of the touchpad when the speed of the object is determined to be above the speed threshold.

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