| 摘要 |
PURPOSE: A virtual expansion keyboard is provided to ray the virtual expansion keyboard to the outside by using a beam projector in a terminal. CONSTITUTION: A projection unit(120) rays a virtual expansion keyboard to the ground. A motion recognition unit(130) recognizes predetermined motion which types at the virtual expansion keyboard. A coordinate analysis unit(150) analyzes a keyboard coordinate through the motion recognition unit. A coordinate input unit inputs the analyzed coordinate to the inside of the terminal. A coordinate output unit(170) reads and outputs the inputted coordinate. [Reference numerals] (120) Projection unit; (130) Motion recognition unit; (140) Camera photographing unit; (150) Coordinate analysis unit; (160) Coordinate recognition unit; (170) Coordinate output unit
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