| 摘要 |
<p>PURPOSE:To permit the time-limited reading and writing by inputting a pressword number. CONSTITUTION:The IC card consists of a control part 2 controlling each part of the IC card, a nonvolatile memory 3 storing a setting number and counting time or the like, an I/O device 4 for the reading and writing with a terminal equipment, a timer 5, an input part 6 inputting a code number, a comparison part 7 comparing the setting number with the code number, a RAM 8 temporarily storing code numbers, and a power supply part 9 for the isolate operation of the IC card.</p> |
