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Detecting Method for Touch Panel

  • US 20100079397A1
  • Filed: 09/29/2009
  • Published: 04/01/2010
  • Est. Priority Date: 09/30/2008
  • Status: Active Grant
First Claim
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1. A detecting method for a touch panel, comprising:

  • providing a sensing matrix having a plurality of sensing units;

    detecting a sensing data generated from the sensing unit and defining the sensing unit as a touch point or as a non-touch point based on the sensing data;

    grouping at least a portion of the touch points to form a touch point group, wherein a projection of the touch point in the touch point group is overlapping a projection of at least one touch point of the touch point group in one of a row direction or a column direction and is adjacent to a projection of at least one touch point of the touch point group in the other direction;

    retrieving extreme positions of the touch point group in the row direction and the column direction; and

    determining a touch center position based on the extreme positions in the row direction and the column direction.

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