| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve the problem that it is inconvenient to shift a keyboard or mouse from one hand to the other each time it is operated when the keyboard and mouse are used for computer operation and the problem that it is troublesome to connect both the keyboard and mouse and the operation is frequently hindered. SOLUTION: The operability is improved by uniting the keyboard and mouse. Further, the trouble to connect them to the computer is reduced.</p> |
