| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an IC card capable of easily expanding mounted functions. <P>SOLUTION: A plurality of IC chips CP1 and CP2 with the same operating frequency and a booster coil L2 are mounted on a card base material CD, and the booster coil L2 electromagnetically couples antennas A and A of the IC chips CP1 and CP2 through separate enclosure parts G and G. <P>COPYRIGHT: (C)2007,JPO&INPIT |
