Patent ID: 7843436

Claim:
A portable information processing apparatus, comprising: a main body including a display opening and a front panel surface surrounding the display opening, the display opening being provided in a center portion of the front panel surface; a display unit to display an image through the display opening, the display unit comprising a base line that extends in a horizontal direction across a width therein; a key button input unit oppositely arranged across the display unit in a first portion of the front panel surface, the key button input unit including a left key group and a right key group, each group comprising a plurality of rows of input keys, each of the plurality of rows of input keys being arranged in a respective outwardly direction from the display opening proximate to the display opening; and an additional input unit including at least one additional input unit in a second portion of the front panel surface, wherein each respective outwardly direction forms a respective angle with respect to the base line, and the angles within each group gradually increase or decrease in a direction from the upper portion of the front panel surface to the lower portion of the front panel surface along the edge of the display opening.