Electronic device and touch panel calibration method thereof

Abstract

An electronic device and a method for calibrating its touchpad. The touchpad is disposed within the electronic device. The touchpad calibration method includes the following steps: Notifying a pressing position for a stylus to press; analyzing the force applied by the stylus; analyzing the panel sensing force of the touchpad; determining whether the difference between the stylus applied force and the panel sensing force falls within a predetermined range; if the difference between the stylus applied force and the panel sensing force does not fall within the predetermined range, then calibrating a weighted calculation procedure for the touchpad's panel sensing force based on the stylus applied force.

Claims

1. A method for calibrating a touchpad, the touchpad being disposed within an electronic device, the method comprising: Notify a press position for a stylus to press; analyze the force applied by the stylus; analyze the panel sensing force of the touchpad; determine whether the difference between the stylus applied force and the panel sensing force falls within a predetermined range; obtain a plurality of panel pressure values ​​from a plurality of pressure sensors; and convert these panel pressure values ​​into the panel sensing force according to a weighted calculation procedure corresponding to the press position; and if the difference between the stylus applied force and the panel sensing force does not fall within the predetermined range, correct the panel sensing force of the touchpad according to the stylus applied force using the weighted calculation procedure.

2. The touchpad calibration method as described in claim 1, wherein in the step of notifying the press position, the press position is selected from a plurality of partitions of the touchpad.

3. The touchpad calibration method as described in claim 1, wherein the step of analyzing the force applied by the stylus includes: Receive a pressure order; and convert the pressure order into the applied force according to a predetermined pressure curve.

4. The touchpad calibration method as described in claim 1, wherein the predetermined range is 0.1g.

5. The touchpad calibration method as described in claim 1, wherein the predetermined range is 5% of the panel's sensing power.

6. The touchpad calibration method as described in claim 1, wherein at the same pressing position, the steps of analyzing the pen application force of the stylus, analyzing the panel sensing force of the touchpad, determining whether the difference between the pen application force and the panel sensing force falls within the predetermined range, and the weighted calculation procedure for calibrating the panel sensing force of the touchpad based on the pen application force are repeatedly executed.

7. The touchpad calibration method as described in claim 1, wherein, at the changing pressing position, the steps of analyzing the pen's applied force, analyzing the touchpad's panel sensing force, determining whether the difference between the pen's applied force and the panel sensing force falls within the predetermined range, and the weighted calculation procedure for calibrating the touchpad's panel sensing force based on the pen's applied force are repeatedly executed.

8. An electronic device comprising: One touchpad; A display unit is used to notify a press position for a stylus to press; A stylus control unit for analyzing the force applied by the stylus; a touchpad control unit for analyzing the panel sensing force of the touchpad, wherein the touchpad control unit further determines whether the difference between the stylus application force and the panel sensing force falls within a predetermined range; if the difference between the stylus application force and the panel sensing force does not fall within the predetermined range, the touchpad control unit corrects a weighted calculation program for the panel sensing force of the touchpad based on the stylus application force; a plurality of pressure sensors for obtaining a plurality of panel pressure values; and a weighted calculation unit for converting these panel pressure values ​​into the panel sensing force according to the weighted calculation program corresponding to the press position.

9. The electronic device as claimed in claim 8, wherein the pressing position is selected from a plurality of zones of the touchpad.

10. The electronic device as claimed in claim 8, wherein the stylus analysis unit comprises: A receiving element is used to receive a pressure order; And a conversion element for converting the pressure order of the pen into the applied force according to a predetermined pressure curve.

11. The electronic device as claimed in claim 8, wherein the predetermined range is 0.1g.

12. The electronic device as claimed in claim 8, wherein the predetermined range is 5% of the panel's sensing power.

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