| 摘要 |
PROBLEM TO BE SOLVED: To provide a means capable of recording data in an optical disk only for reproduction later. SOLUTION: A digital data storage means is formed on a part of an optical disk only for reproduction to prepare a means for recording/reproducing data. When necessary data are recorded in the digital data storage means of the optical disk, the data in the disk can be processed and the processed data can be recorded and stored in the disk. |
