| 摘要 |
PURPOSE:To perform the graphic operation easily with visual recognition, by displaying a graphic symbol on the operator side face of a key top. CONSTITUTION:A key top 1, an operator side face 2 of the key top 1, and a graphic symbol 3 are provided. Therefore, since the side face 2 is seen easily from the operator side, the graphic symbol 3 is recognized. Thus, the graphic symbol which is not displayed on the key top 1 conventionally can be operated with the key easily by visual recognition. |
