| 发明名称 |
DISC CARTRIDGE, DISC RECORDING MEDIUM APPARATUS, AND DISC RECORDING AND/OR REPRODUCING APPARATUS |
| 摘要 |
A disc cartridge having a pair of shutter members each having a joint portion which join each other at a closed position. A long groove and protrusion are provided substantially over the entire length of each of the joint portions of the shutter members, so that they can be engaged with each other. Thus, it is possible to provide a highly dust-proof disc cartridge.
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| 申请公布号 |
WO03028030(A1) |
申请公布日期 |
2003.04.03 |
| 申请号 |
WO2002JP09057 |
申请日期 |
2002.09.05 |
| 申请人 |
SONY CORPORATION;OBATA, MANABU;IWAKI, YUJI;KAWAGUCHI, MITSUYOSHI;MATSUMURA, MITSUNORI |
发明人 |
OBATA, MANABU;IWAKI, YUJI;KAWAGUCHI, MITSUYOSHI;MATSUMURA, MITSUNORI |
| 分类号 |
G11B23/03;G11B33/14;(IPC1-7):G11B23/03 |
主分类号 |
G11B23/03 |
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