| 摘要 |
PURPOSE:To easily add information excepting for information recorded into the CD onto the CD, to extract and utilize the information with a CD equipment by providing a recording part on the side face of the CD and recording required information. CONSTITUTION:The recording part is provided on a side face 14 of a CD 1 and required information 30 is recorded. As a recording medium, an optical recording body, electrostatic capacity body or magnetic substance such as a bar code 30a is used, and information is added over one part or the entire circumference of the side face 14 by technique such as printing or print-out. Thus, since the information excepting for the information recorded into the CD 1 can be easily added onto the CD, the CD can be used for the various purposes such as the management of rot production or security countermeasure by adding personal numbers or information for deciphering. |
