| 摘要 |
PURPOSE:To add information to a compact disk by uniting a 2nd recording medium with the compact disk to one body. CONSTITUTION:When bar code seals 2 the same in fan shape obtained when a compact disk (CD) 2 is equally divided into fan-shaped sections are stuck to the CD 2, a CD with additional information can be formed. Therefore, information of control, etc., can be added to the CD 2 of a ROM and, as a result, the labor for using the CD 2 can be reduced and a CD system which is high in CD preservation managing efficiency can be constituted. |
