| 摘要 |
<P>PROBLEM TO BE SOLVED: To certainly prevent information on goods possessed by a consumer from being acquired by others without being known by the consumer. <P>SOLUTION: There are provided a memory 12 to store the tag data, a first receiving antenna 13a to receive a radio signal for acquiring the tag data by an external device, a second receiving antenna 13b to receive a radio signal for performing prevention processing, a transmitting antenna 17 to transmit a transmission signal of the tag data, a destructive element 14 to perform prevention processing of making it impossible to acquire the tag data from the external device, when receiving a radio signal of a predetermined frequency by the first receiving antenna 13a and the second receiving antenna 13b, and a first thermosensitive part 16a to indicate that it is impossible to acquire information, that is incapable of acquiring the tag data, by utilizing the prevention processing. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
