RECORDING MEDIUM CARTRIDGE, RECORDING/REPRODUCING DEVICE USING THE SAME AND INFORMATION MANAGEMENT DEVICE

摘要

PROBLEM TO BE SOLVED: To surely discriminate and manage the identification information of a recording medium cartridge. SOLUTION: This recording medium cartridge 1 includes an identification display part 4 provided so as to display identification information for discriminating a recording medium 3 inside an outer casing 2 by being stuck to the outer surface of the outer casing 2, and an identification information storage part 5 provided inside the outer casing 2 for storing identification information having the same content as that of information indicated by the identification display part 4. Also provided are a first reading means 8 for reading the identification information of the identification display part 4 and a second reading means 9 for reading identification information stored in the identification information storage part 5, and identification information read by the first or second reading means 8 or 9 is employed as the identification information of the recording medium cartridge 1 by an identification information prescribing means 10. If the identification information is not read because of the deterioration or the like of the identification display part 4, by using the identification information read from the identification information storage part 5 as that of the recording medium cartridge 1, identification information management is secured.