| 摘要 |
<p>A method of and an input device for measuring movement of an object (80) and the input device relative to each other, which movement comprises at least a scroll movement and a click movement, uses means (98,100,102) to determine the presence of the object on a window (78) of the input device. This allows measuring scroll movement and click movement with one sensor unit (92,94,96) of the input device and reduction of costs and size of the input device.</p> |
