| 摘要 |
<p>The invention is related to a structural design for a single hand holding type computer mouse (1) or other functional hand holding type controller device with a U type arc shape extended structure which is mainly comprised of that the mouse casing body is provided with a U type arc shape extended structure, wherein the front end upper side of the said structure is installed with a track ball (12), and the mouse function buttons (13) are installed at a selected side or at the side near the track ball, thereby the said computer mouse casing is very suitable for off table finger holding operations in the air, i.e. the friction operation on the desk surface or mouse pad is completely released, and the mouse function buttons can be conveniently operated at all angles in the air, therefore it is easy and convenient in usage. <IMAGE></p> |
