Patent ID: 7855719

Claim:
A touch input method applied to a portable terminal apparatus, the touch input method comprising the steps of: receiving a touch command; deriving a pressing area by conducting a range computation corresponding to the touch command; producing a cursor according to the touch command; and judging whether the pressing area is located within a first predetermined range or a second predetermined range, and the first predetermined range and the second predetermined range are on the same screen; disposing the cursor on a right side around the pressing area when the pressing area is located within the first predetermined range; disposing the cursor on a left side around the pressing area when the pressing area is located within the second predetermined range; judging whether a location of the cursor is within a predetermined coordinate limit of the first predetermined range or not; moving the cursor from the right side around the pressing area to the left side when the location of the cursor is within the predetermined coordinate limit; judging whether a location of the cursor is within a predetermined coordinate limit of the second predetermined range or not; and moving the cursor from the left side around the pressing area to the fight side when the location of the cursor is within the predetermined coordinate limit.