| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wireless tag having excellent reception sensitivity even if it is miniaturized. <P>SOLUTION: This wireless tag 1 has: a resonant circuit 4 having an antenna coil 2 and a capacitor 3; and an IC chip 5 electrically connected to the resonant circuit 4. The resonant circuit 4 and the IC chip 5 are covered by a waterproof protection sheet 6. The wireless tag 1 has vertically movable bulk-like magnetic members 7 disposed outside the protection sheet 6 above and below the antenna coil 2. <P>COPYRIGHT: (C)2007,JPO&INPIT |
