| 摘要 |
PROBLEM TO BE SOLVED: To provide data cartridges in which non-contact type memory cartridges are provided to surely conduct transmission and reception of reading and writing signals between the memory readers of a library machine side and a drive device side. SOLUTION: In a case main body 1, a first memory cartridge M1 which establishes a radio connection condition with a memory reader R1 of a drive device 25 side, and a second memory cartridge M2 which establishes a radio connection condition with a memory reader R2 of a library machine 21 side are provided. The memory cartridges M1 and M2 are arranged along the inner wall surface of the case main body 1 so that the memory cartridges are opposed to the corresponding memory readers R1 and R2. COPYRIGHT: (C)2006,JPO&NCIPI
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