Egalax_empia Technology Inc.

Jen-Yi Sun

Shang-Tai Yeh

Chi-Hao Tang

Chin-Fu Chang

The present application provides a method for determining mistaken approaching/touching event, comprising: gathering one or more touch sensitive signal value corresponding to a line piece; calculating a sum of differences of each signal value and a baseline value; and if the sum is less than or equals to zero, determining the line piece is corresponding to a mistaken approaching/touching event.

Method and apparatus for excluding line piece group corresponding to palm

Method and apparatus for determining whether palm line group needs to be divided

The present application provides a method for determining whether a line piece is corresponding to a stylus tip. The method comprises: gathering multiple touch sensitive signal values corresponding to the line piece; calculating a first slope at edge of the line piece; determining whether the first slope is larger than a slope threshold; and determining that the line piece is corresponding to the stylus tip if the first slope is larger than the slope threshold.

Method and apparatus for determining mistaken approaching or touching event

The present invention provides a calibration method of a touch screen which comprises a display module and a sensor module. The calibration method comprises the following steps: receiving coordinate values of multiple display points shown on the display module; receiving coordinate values of multiple sensing points received by the sensor module, wherein the multiple sensing points are corresponding to the multiple display points, respectively, for forming at least four multiple correspondences; calculating a first set of calibration formulas according to the multiple correspondences; adjusting the multiple sensing points according to the first set of calibration formulas; and calculating a second set of calibration formulas according to the adjusted sensing points.

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Taipei, Taiwan

Jen-Yi Sun