Touchpad-based input system and method for portable device

摘要

A touchpad-based input system and method of a portable device capable of facilitating manipulation of device operation. The touchpad-based input method of a portable device having a display and a touchpad determines whether a scrolling signal is input through the touchpad, scrolls a current presentation across the display in a direction based on the scrolling signal, and displays another presentation as a result of the scrolling when a scrolling signal is input.