| 摘要 |
<P>PROBLEM TO BE SOLVED: To possess data managing which radio IC tag is controlled by which RFID tag reader/writer device, and to efficiently access the radio IC tag, by simplifying processing of applications when a plurality of RFID tag reader/writer device are used. <P>SOLUTION: A device/tag ID correspondence management section 131 manages a device/tag ID correspondence table showing a combination of an RFID reader/writer device 14 assumed as possible to read data and the radio IC tag 15. An access order list preparation section 132 prepares an access order list showing attempting orders of data reading to the radio IC tag 15 designated by an application 11 on the basis of the device/tag ID correspondence table. A data reading section 133 issues a command requesting data reading according to the access order list, and obtains data of the designated radio IC tag 15 from the RFID reader writer device 14 which can read out data from the designated radio IC tag 15. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
