| 摘要 |
<p>PURPOSE:To provide the coordinate information input device of a mouse and the like which improves the operation feeling of a depression key switch, can prolong a life, can improve the operability of the whole device and can be proof against use for a long period. CONSTITUTION:A depression key 66 transmitting a coordinate information signal based on the rotational amount and the rotational direction of a ball, transmitting a signal showing the operation state of the depression key switch 60 and having a hollow part 66a opening downward in the depression key switch, a slider 67 which is inserted into the hollow part 66a and whose lower end is abutted on a crick spring 64 and an energizing spring 68 laid between the slider 67 and the depression key 66 so that the slider 67 is energized to a crick spring-side-are provided.</p> |
