Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1997-09-17
1999-08-24
Heinz, A. J.
Dynamic magnetic information storage or retrieval
Record medium
In container
G11B 2303
Patent
active
059431970
ABSTRACT:
A disk cartridge having a recording/reproducing opening arranged to be opened/closed with a small space and without a sliding operation, the disk cartridge having a magnetic disk, a cartridge body for rotatively accommodating the magnetic disk and a lid rotatively supported by the cartridge body. The cartridge body has a recording/reproducing opening through which a magnetic head unit is inserted. The attached lid is able to open/close the recording/reproducing opening in such a manner that the lid usually closes the recording/reproducing opening by an elastic member and opens the recording/reproducing opening by an opening unit of the recording/reproducing apparatus when an information signal is recorded/reproduced.
REFERENCES:
patent: 4740856 (1988-04-01), Yoshii
patent: 5570252 (1996-10-01), Summer
patent: 5805379 (1998-09-01), Bordes
Funawatari Takatsugu
Kikuchi Shuichi
Frommer William S.
Heinz A. J.
Sony Corporation
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