| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an IC card data display system that does not change the existing security architecture when the display function of the IC card is added or modified, IC card, and IC card display control method thereof. <P>SOLUTION: The noncontact IC card 61 comprises a tamper proof IC chip 63 for storing data, an LCD display 69 for displaying the data, a display IC chip 66 disposed independently from the tamper proof IC 63 for controlling data display on the LCD display 69, a tamper proof IC chip communication interface 62 for controlling communication between the tamper proof IC 63 and a tamper proof IC chip communication control part 72 of a reader/writer 70, and a display IC chip communication interface 65 for controlling communication between the display IC chip 66 and a display IC chip communication control part 74 of the reader/writer 70. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
