| 摘要 |
A mobile terminal and an inputting method of a mobile terminal are disclosed. The inputting method of a mobile terminal comprising: receiving at least one of a position and size of a virtual input region; sensing an ultrasonic wave from a pen unit in order to recognize an input of the pen unit to the input region; calculating position information of the pen unit based on the information related to the ultrasonic wave; and displaying information inputted by the pen unit on a display unit provided on a terminal body by using the position information.
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