Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1997-09-18
1999-09-28
Levy, Stuart S.
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
369 39, G11B 1722
Patent
active
059599502
ABSTRACT:
Unlike conventional disk drives, a disk drive of the invention is capable of loading a plurality of different types of disks at the same time, and has the capability of protecting a disk sensitive to contamination, such as a RAM disk, from contamination. A plurality of trays are placed in a disk package which is loaded into a disk drive. Different types of disks may be placed on the respective trays. In the package, there is provided a first locking mechanism for locking all trays. This first locking mechanism can be unlocked by a manual operation. There is also provided a second locking mechanism which locks only those trays on which RAM disks or the like are placed so that the RAM disks are prevented from being taken out. In the main unit of the disk drive, there is provided an unlocking member for unlocking both the first and second locking mechanisms.
REFERENCES:
patent: 5117409 (1992-05-01), Shimizu et al.
patent: 5136563 (1992-08-01), Takemase et al
patent: 5481512 (1996-01-01), Morioka et al.
patent: 5574705 (1996-11-01), Suzuki
patent: 5638347 (1997-06-01), Baca et al.
Abe Kenji
Yamashita Tatsumaro
Alps Electric Co. ,Ltd.
Fields Kenneth
Levy Stuart S.
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