Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1997-04-09
2000-05-02
Davis, David
Dynamic magnetic information storage or retrieval
Record medium
In container
369291, G11B 2303
Patent
active
060579951
ABSTRACT:
A disc cartridge having a disc-shaped recording medium, such as an optical disc or a magneto-optical disc, rotatably housed within a main cartridge body. The disc cartridge has a main cartridge body made up of an upper cartridge half and a lower cartridge half, and a disc-shaped recording medium rotatably accommodated within the main cartridge body. A recording and/or reproducing aperture is formed in at least one of major surfaces of the main cartridge body. A shutter is mounted for movement along a sidewall section of the main cartridge body between a position closing the aperture and a position closing the aperture. There is provided an inclined portion in the aperture inclined with respect to the inserting direction of the disc cartridge.
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Imaizumi Sakae
Nakagawa Tomihiro
Tejima Keisuke
Yamashita Keitaro
Davis David
Frommer William S.
Sony Corporation
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