| 摘要 |
An information storage device includes a storage circuit for storing information on a recording medium, an instruction circuit arranged to give an instruction as to permission or non-permission of erasure of information stored on the recording medium and a storage action control circuit arranged to control the storage circuit in such a way as to cause the storage circuit to store new information in a storage area other than a storage area in which information is already stored among storage areas provided on the recording medium when non-permission of erasure of information stored on the recording medium is instructed by the instruction circuit. <IMAGE> |
