| 摘要 |
Identification information B is recorded in a specific area for a disk in a pre-recording or emboss manner so that a user cannot be rewrite the information, and a copy of the identification information B cannot be changed on the information recording medium by a recording/reproducing apparatus, thereby making it possible to prevent illegal use of the identification information B. In an additional description type information recording medium or rewritable information recording medium, the identification information B is pre-recorded or emboss recorded in a specific area so that the identification information cannot be changed. <IMAGE> |
