| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic tag system capable of easily putting restrictions on information to be provided. <P>SOLUTION: The electronic tag system has a radio tag 10 provided on an article and a reader device 20 (61, 62) for reading information from the radio tag 10 by radio communication. The radio tag 10 has a tag information storage means 14 for storing tag information including a plurality of items identifiable by identification information as information to be read by the reader device. The reader device 20 has an information read means 21 for reading the tag information which has been obtained from the radio tag 10 by radio communication and has been stored in the tag information storage means 14, an identification information storage means 23 for storing specific identification information, and a tag information processing means for processing an item identified by the specific identification information stored in the identification information storage means 23, from among the pieces of read tag information (S4 to S10). <P>COPYRIGHT: (C)2005,JPO&NCIPI |
