| 摘要 |
A portable device including a main body having a display unit for displaying information provided with on one surface thereof; and a touch input board pivotally coupled to one side of the main body to be unfolded at a predetermined angle with respect to the display unit, wherein first and second touch screens and are respectively provided on both surfaces of the touch input board, thereby being selectively activated according to a pivot angle of the touch input board. In addition, the first touch screen is provided to face the display unit, and a key display panel is provided between the first touch screen and the second touch screen to display a plurality of keys and information when the first touch screen is activated.
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