| 摘要 |
<P>PROBLEM TO BE SOLVED: To suppress the unauthorized takeout of commodities. <P>SOLUTION: Tag data stored in a RFID tag attached to a commodity which a person approaching a gate 500 has are read out by a RFID reader 200. In the case that a value of a settlement flag included in the tag data is a value indicating that accounts are not settled yet, that is, in the case that the value indicating that accounts have been settled is not written to a settlement flag by a RFID reader/writer 700, image data or video data included in the tag data are displayed on a screen of a display device 300, and a text corresponding to a warning message included in the tag data is composed and displayed on the screen of the display device 300, and furthermore, a voice corresponding to the warning message included in the tag data is outputted from a speaker 400. <P>COPYRIGHT: (C)2007,JPO&INPIT |
