| 摘要 |
<p>PURPOSE:To enhance position input efficiency by assembling the functions of a mouse which is slid by means of a hand and a track ball which is moved means of a fingertip. CONSTITUTION:A small track ball 2a is assembled at a fingertip position in a mouse mainbody 1 which is held by hand and the respective outputs are connected with a circuit. Or a simple ball 3 is attached, which rotates by exposing itself at the both sides of a back surface and a rear surface in the mouse.</p> |
