| 摘要 |
The invention relates to movement-givers, especially for controlling the cursor of a computer, with a body-movement sensor pair for the determination of a relative body surface movement and sensor movement. It is provided here that the body has an after-glowing surface, that the movement sensor has a light source for the generation of an after-glowing spot on the body surface, the body-movement sensor pair being constructed for a relative movement of the after-glowing surface and of the light source, and the movement-sensor comprises, further, a position-sensitive photodetector which is designed to detect the position of the after-glowing spot.
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