ELECTRONIC DEVICE WITH STYLUS

摘要

An electronic device includes a stylus, a touch screen, and a processing unit. The touch screen includes a plurality of touch spots arranged in a matrix. The stylus includes a flexible and conductive nib including a plurality of flexible sub-nibs, and a body for receiving the nib and sub-nibs. The sub-nibs touching the touch screen causes changes in the charges of the touch spots actually touched. The processing unit determines the number of the touch spots which have been touched according to changes in the charges of the touch spots, and controls the weight or lightness of the corresponding stroke displayed on the touch screen according to the determined number of the touched touch spots.