| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an IC card and an IC card program capable of improving security performance and convenience. <P>SOLUTION: This IC card 1 is provided with a plurality of signal interfaces 311, 312, and 313 for adjusting signals for communicating with a card terminal 2 in different systems, an adjustment deciding part 42 for deciding whether or not a signal adjusted by one signal interface has been properly adjusted and a switching control part 41 and a switching part 314 for, when it is determined that the signal has not been properly adjusted by the adjustment deciding part 42, switching an interface for adjusting the signal from one signal interface to another signal interface based on an availability flag and a switching order stored in a non-volatile memory. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
