| 摘要 |
PROBLEM TO BE SOLVED: To obtain a recording medium substantially disabling copying recorded contents. SOLUTION: An electromagnetic coupling non-contact IC chip 14 is embedded or stuck in/to a position close to a center hole 12 of a CD-ROM 10. An antenna 16 is embedded or stuck in/to the CDROM 10 so as to surround the center hole 12. Information for identifying each medium and/or information for checking the trueness of contents recorded in the CD-ROM 10 are recorded in the IC chip 14. |
