| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve communication communication by acquiring information from a communication object based upon a less-error demodulated signal. <P>SOLUTION: A tag label making device 2 has a transmission part 32 of a high-frequency circuit 21 transmitting a modulated signal for accessing a radio tag circuit element To, a reception part 33 which reads in a replay signal received by the radio tag circuit element To in response, and FM demodulation parts 202A and 202B which demodulate the reply signal that the reception part 33 reads in by using a plurality of out-of-phase signals respectively. Then serial-parallel converting circuits 203A and 203B, CRC arithmetic circuits 205A and 205B, and comparing circuits 206A and 206B perform error detection of a plurality of demodulated signals demodulated by using the plurality of signals respectively, and a control circuit 30 selects one of the plurality of demodulated signals based upon error detection results. <P>COPYRIGHT: (C)2007,JPO&INPIT |
