| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a position detection system capable of feeding power to a transducer from a panel and performing data transmission between them. <P>SOLUTION: In the system which includes the panel 5 provided with a position detection grid and the transducer 6 provided with a resonance circuit, and includes the panel 5 and the cordless transducer 6, wherein the resonance circuit resonates in response to electromagnetic emission from the panel 5, and the position of the transducer 6 with respect to the panel 5 is determined when the position determination grid receives a transmission signal from the resonance circuit, the panel 5 includes a resonance transmission coil for emitting electromagnetic waves for feeding data as well as power to the transducer 6. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
