| 摘要 |
A portable terminal comprises a main body having a front surface and a rear surface opposite to the front surface. The portable terminal comprises a display section formed on the front surface for displaying input information of the portable terminal, a main operating section formed on the front surface for carrying out input operation of said input information, and a touch panel formed on the rear surface for carrying out input operation of the input information. The touch panel is operated by a user with gripping the main body on a hand. The portable terminal monitors the touch panel in a predetermined interval to produce a monitored signal and is responsive to the monitored signal for make the display section display the input information.
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