| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wireless tag detection system in which a radio wave used when a reader reads information from a wireless tag, and a radio wave used when the reader transmits information to a receiver, are prevented from interfering with each other without using a new frequency band. <P>SOLUTION: In the wireless tag detection system 1, a reader 101 generates a reading command including tag data corresponding to tag responses sent back from wireless tags 102, 103 and transmits the reading command. The reading command transmitted from the reader 101 is used not only for outputting tag responses from the wireless tags 102, 103 but also for acquiring tag data in a command receiver 104. The radio wave used when the reader 101 reads information from the wireless tags 102, 103, and the radio wave used when the reader 101 transmits information to the receiver, are therefore prevented from interfering with each other without using the new frequency band. <P>COPYRIGHT: (C)2008,JPO&INPIT |
