| 摘要 |
<p>A wireless tag reader (1) inputs position information which specifies each of a plurality of regions in which each article is arranged from a position information input section (12). Whenever the position information is input, the wireless tag reader (1) overwrites and stores the input position information in a reading position buffer (33). The wireless tag reader (1) stores identification information specific to the wireless tag in a position management table (32) in association with position information of each region in which each article to which a wireless tag is attached is arranged. Whenever reading the identification information specific to the wireless tag from the wireless tag, the wireless tag reader (1) determines whether position information stored in the position management table (32) in association with the read identification information is consistent with position information stored in the reading position buffer (33), and displays and notifies a determination result on an inventory screen (40).</p> |
