| 摘要 |
PURPOSE: A mobile communication terminal, a terminal module having the mobile communication terminal and a laptop computer are provided to easily input various kinds of text data. CONSTITUTION: A projection input unit(120) detects the position of finger or input tool in the flat plane of projected input key pad. The projection input unit generates the position sensing signal including the first text data. The terminal control unit is applied the position sensing signal from the video input part. The terminal control part outputs the first indication signal in response to the position sensing signal. The terminal display unit(140) is applied the first indication signal from the terminal control part. The terminal display part indicates first text data in response to the first indication signal.
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