| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a pointing device with a ten-key pad arranged not to interfere with other functional operation buttons while allowing appropriate operation of ten-key input and mouse pointer operation without passing it to the other hand in the state of holding it in the palm of only one hand. SOLUTION: This pointing device is formed as a twofold casing 1 of a conformed form to be held in the palm, constituted to be foldable in two and developable. A track ball 12 and a scroll key 13 are arranged at an outward face 10a of a developing side casing 10 in developing. A ten-key pad 14 and a cursor key 15 are arranged at an opposed face 11a of a palm holding side casing 11 in developing, and a click button 16 is arranged at the side face. Each key of the ten-key pad 14 is arranged within an operable range only with the thumb on the palm holding side.</p> |
