| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To make one track ball applicable to different resolutions by freely changing rotation data to different resolutions by a resolution changeover switch. <P>SOLUTION: The track ball is provided with the resolution changeover switch (12) in a case (1), has a resolution changing means (20) for changing resolutions of rotation data (5) and outputs the rotation data (5) as a plurality of resolution-changed rotation data (5a) obtained by changing the resolutions of the rotation data (5) by operating the resolution changeover switch (12). <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
