| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a mouse properly corresponding to each kind of operation without making the operation complicate, and to increase the kind of output signals from the mouse by a simple operation. SOLUTION: The top end of a lever 10 is projected between two push buttons 4 and 5 arranged at the right and left parts of a mouse, wherein the lever 10 is supported so as to be freely rotatable with an axis as a center. Also, a ball 2 which is rotated according to a horizontal movement of the mouse is provided inside a transparent cover at a front position of the push buttons 4 and 5. Also, a third push button may be provided on the side face of the mouse. Or, a pair of switches can be provided with an interval through the axis in the longitudinal direction of the mouse.</p> |
