| 摘要 |
PROBLEM TO BE SOLVED: To avoid deterioration of communication performance of a security tag when at least the case of a recording tape cartridge is placed on the case of the other recording tape cartridge. SOLUTION: The recording tape cartridge 10 is provided with: a case 12 housing a reel 20 with a recording tape T wound thereon; and a security tag 110 provided within the case 12 and capable of transmission to and reception from the outside. The security tag 110 has a columnar shape with a coil formed by winding a wire on the peripheral surface of a magnetic core and is installed within the case 12 lest the axis P is superposed with the security tag 110 within the case 12 of another recording tape cartridge 10 when the case 12 is placed on the case 12 of another recording tape cartridge 10. COPYRIGHT: (C)2011,JPO&INPIT
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