| 摘要 |
A touch system user interface determines a signal profile associated with the use of a manipulator with a touch sensor component. The signal profile corresponding to a plurality of signal levels along a surface of the touch sensor component. The system calculates a geometrical attribute of that portion of the signal profile that exceeds a threshold signal value (e.g., the area or shape of the region) and determines a type of the manipulator (e.g., stylus, human finger, etc.) based on the calculated geometrical attribute.
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