| 摘要 |
<p>PROBLEM TO BE SOLVED: To realize a compact and new movable coordinate input device allowed to be substituted for a conventional movable coordinate input device. SOLUTION: The movable coordinate input device is provided with a casing 20 excluding a bottom plate and having only a ceiling part and a sidewall, an angular sensor 21 fixed on the lower surface of the ceiling part of the casing 20, a roller part consisting of a supporting arm 22 with one end fitted to the rotational part of the sensor 22 and having an approximately L shape and a roller 23 rotatably fitted to the other end of the arm 22, and a speed sensor 24 arranged on the intermediate part of the arm 22 and capable of changing an electric signal in accordance with the rotational speed of the roller 23 and the casing 20 covers the roller 23 so that the roller is movable on a floor surface 25 and the casing has a rotatable space for the roller part.</p> |
