| 摘要 |
PROBLEM TO BE SOLVED: To enable to discriminate easily contents of data recorded in each recording medium stored in a recording medium case without recording volume information directly on surfaces of plural recording media stored in the recording medium case. SOLUTION: Plural CD-R or CD-RW media are stored in a plural sheets CR-R/CD-RW media holding section 31 of a magazine case 30, in a CD-R/RW drive device 20 loading it and recording or reproducing data for each recording medium in it, a magazine ID discriminating section 22 reads out a magazine ID number recorded in a magazine individual discriminating section 32 of the magazine case 30, the device 20 recognizes the magazine 30 based on it, and a PC 10 discriminates contents of data of each medium based on the magazine ID number.
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