| 摘要 |
PROBLEM TO BE SOLVED: To prevent the generation of malfunction that a cursor can not be moved to a desired position due to dirt, the wideness of a plane, or the roughness of the plane. SOLUTION: A mouse 1 is provided with an X axial directional movement detecting acceleration sensor 2 and an Y axial directional movement detecting acceleration sensor 3 as detecting devices and also with a clock so that the movement distance of the mouse 1 can be calculated based on the obtained acceleration and time. Thus, it is possible to move a cursor on a screen without being affected by the wideness or roughness of the plane for operating the mouse 1. Also, it is possible to prevent the movement of the cursor from being turned to be insufficient due to the dirt of the mouse 1.
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