| 摘要 |
<P>PROBLEM TO BE SOLVED: To hold constant the communicable distance between antennas and an information reading/writing device regardless of the relative angle between the information writing/reading device and the antennas or, if an RF-ID medium is affixed to an article, regardless of a surface to which it is affixed. <P>SOLUTION: A base 150 is divided into a plurality of areas 130a and 130b via a foldable line 160 and antennas 120a and 120b for writing and reading information to and from an IC module 110 are formed in the respective areas 130a and 130b. <P>COPYRIGHT: (C)2003,JPO |
