The user interface device and the personal digital assistant according to {TAIL ~ an embodiment} of {HEAD ~ the present invention} can be applied not only to a mobile phone terminal, but to PDA and a personal computer, a portable video game device, a portable digital television receiver, a car navigation system, other various terminals, and in addition, to a stationary apparatus 
The user interface device and the personal digital assistant according to { TAIL ~ an embodiment } of { HEAD ~ the present invention } can be applied not only to a mobile phone terminal , but to PDA and a personal computer , a portable video game device , a portable digital television receiver , a car navigation system , other various terminals , and in addition , to a stationary apparatus
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