Patent ID: 7885694

Claim:
A mobile communication terminal comprising: a slider; a main body that is connected to a rear surface of the slider; a slider unit disposed between the slider and the main body, and allows the slider to slide to and from the main body; a memory that includes content data; and a single input unit located on a front surface of the slider, the single input unit comprising: an inner peripheral edge and an outer peripheral edge, a first discrete function key that generates a scroll signal for scrolling through content data stored in the memory at a first scroll rate and a second discrete function key that generates an acceleration signal for scrolling through content data stored in the memory at a second scroll rate, wherein the first and second discrete function keys are located at opposite ends of the single input unit and within an area defined by the inner and outer peripheral edges, and a sensing unit that detects a user's touching action, wherein the sensing unit includes at least two sensors, configured to generate a search direction signal based on the number or sequence of sensors activated.