| 摘要 |
PROBLEM TO BE SOLVED: To provide a communication unit having an input device for sensing different input options that a user can use. SOLUTION: In the communication unit, data are inputted and/or outputted normally by keypad input, voice input/output, or display output, thus limiting the input/output of the communication unit. A new method for inputting and outputting data is proposed by supplying the communication unit having an element that can be changed inside. In this case, the physical characteristics of the element are changed by electric or mechanical signal/input, and the element is used in the user interval of communication for flexibly inputting/ outputting data from the communication unit. Therefore, the user's input/output includes sensuous display and physical and/or visual dimensions.
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