METHOD AND SYSTEM FOR DETECTING A FINGER CONTACT ON A TOUCHPAD

摘要

A method for executing a scroll control operation on a touchpad comprises receiving a first contact signal induced by a first contact with a first section of the touchpad, receiving a second contact signal induced by a second contact with a second section of the touchpad, the first section and second section being predefined in a scrolling region on the touchpad, recording a first direction from the first contact to the second contact, and a first distance between the first section and the second section and outputting a scroll control signal to execute a scroll operation, the scroll control signal including information of the first direction and first distance.