US Patent 7190356 Method and controller for identifying double tap gestures

A method of identifying double tap gesture, wherein the double tap gesture is produced on a touch device and characterize in that: when the summation of the first appearing time duration, the time span between the two appearing time durations and the second appearing time duration is smaller than the first reference time, then generate a first signal that represents the first and second appearances. This is to simulate the double tap signal output from the double clicking of the mouse button and so as to achieve a short, simple and reliable determination.