| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce communication traffic and to improve performance by managing tag history information distributedly. <P>SOLUTION: RFID reader storing devices 13 (#0 to #n), in which RFID readers 12 (#0 to #n) for reading information recorded in an RFID tag 11 are respectively stored, are made to participate in a peer-to-peer network, and then by reference to an RFID reader storing device address list acquired when the RDID reader storage devices 13 have participated in the peer-to-peer network, the read tag information are successively transmitted to the specific RFID reader storage device 13 (#n) and registered therein. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
