| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a memory card or the like for accurately determining an expiration date attached to information and executing the information. <P>SOLUTION: The memory card 10 comprises: a data storage part for storing data with the expiration date; a communication part 101 for performing communication with an information terminal 20; a counter storage part 105 for storing a counter; a processing part 104 for managing a plurality of verification conditions for increasing and decreasing the value of the counter and calculating the increase and decrease of the counter in the counter storage part 105 according to the plurality of verification conditions; and an execution part 103 for comparing the time information of the information terminal 20 with the expiration date of the data in the data storage part 107 when the value of the counter after calculation is larger than a preset threshold and executing the data in the data storage part 107 when the time information is before the expiration date. <P>COPYRIGHT: (C)2007,JPO&INPIT |
