| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a keyboard input device provided with a pointing device with excellent waterproofness and capable of detecting the tilt angle and tile direction of the pointing device with high accuracy. <P>SOLUTION: In this keyboard input device, the pointing device 1 has a columnar operating body 3 erected from a base 2. When the base 3 is mounted to the back face side of a support plate 5, the operating body 3 is inserted through the support plate and projected on the key switch 12 side, and the base 2 is mounted to the support plate 5 while forming a clearance part with a dimension A. Waterproof rubber of prescribed thickness is disposed in the clearance part with the dimension A to prevent the infiltration of water into the base 2 side of the pointing device 1. <P>COPYRIGHT: (C)2003,JPO</p> |
