| 摘要 |
<p>The invention relates to a control device for providing position information comprising: a body (10, 30, 42), a positioning means (11,31,40) connected to the body and adapted so as to be capable of being positioned by simultaneous use of a user's thumb and index finger (12 and 13 respectively), sensor means for detecting the movement of the positioning means, and transmitting means for transmitting the sensor signals to a receiver.</p> |
