| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the communication quality in transmission and reception, and to improve the S/N by transmitting and receiving data by using a generation coil. <P>SOLUTION: When the frequency that generated voltage exceeds a predetermined detection level from time t31 to time t32 that predetermined time Td elapses exceeds the predetermined frequency (for example, twice), it is discriminated that input data of a user is "1" or "Yes". For example, the frequency that the generated voltage exceeds the predetermined detection level from the time t31 to the time t32 that the predetermined time Td elapses is three times and exceeds the predetermined twice which is the predetermined frequency, the input data of the user is discriminated as "1" or "Yes". <P>COPYRIGHT: (C)2006,JPO&NCIPI |
