| 摘要 |
<p>An optical disk recording medium comprising an optical disk recording medium body and a display unit provided on the front side of the optical disk recording medium body, characterized in that a signal recording/deleting unit permitting the recording, rewriting and deleting of data is provided in the program area of the optical disk recording medium body, and data corresponding to what are displayed on the display unit are recorded in the signal recording/deleting unit.</p> |
