| 摘要 |
<P>PROBLEM TO BE SOLVED: To shorten the time required for decision and determination of allowing or prohibiting tag passage when an article 12 attached with a radio tag 11 tries to pass through a gate 13. <P>SOLUTION: Tag information of the tag 11 having a possibility of passing through the gate 13 is stored in a radio tag information storing device 18 provided in the gate 13, and a gate controller 19 provided similarly in the gate 13, determines and decides to allow or prohibit tag passage. <P>COPYRIGHT: (C)2007,JPO&INPIT |
