摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a pointing device where the structure of a sphere carrying part is made simple and fast, and any excess attachment is not required. <P>SOLUTION: This mouse device is provided with a ball part (204) including a sphere (206) and an encoder (205) and a base part (202) including a switch (203) and a signal line (201) and a recessed part (202b) in which the ball part (204) is housed. In this case, the recessed part (202b) is shaped so that the ball part (204) can be housed in either a state that the ball part (204) is turned down, or a state that the ball part (204) is turned up, and the sphere (206) is exposed from the ball part (204) main body by almost 1/2 of the diameter. <P>COPYRIGHT: (C)2003,JPO</p> |