Library apparatus

Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium

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369 37, 312 931, 414273, G11B 1722

Patent

active

057577382

ABSTRACT:
A library apparatus for storage media such as optical disks includes a rotatable cell drum having several columns of cells for storing the storage media, a load/unload device for inserting and removing cartridges one at a time, at least one drive for reading from or writing to selected media, and an accessor which moves the storage media between the load/unload device and the cell drum, and between the cell drum and the drive. The load/unload device rotates in a collinear arrangement with the cell drum, and can rotate in unison with the cell drum, or independently of the cell drum. The collinear arrangement of the cell drum and the load/unload device reduces the overall size of the library.

REFERENCES:
patent: 4538253 (1985-08-01), Ishibashi et al.
patent: 4878137 (1989-10-01), Yamashita et al.
patent: 4903252 (1990-02-01), Tanaka et al.
patent: 4981409 (1991-01-01), Hirose et al.
patent: 5353269 (1994-10-01), Kobayashi et al.
patent: 5546315 (1996-08-01), Kleinschnitz
IBM Technical Disclosure Bulletin, vol. 37, No. 5, published May 1994 "Disk Input/Output Station for Rotating Tray Carousel".
Yamada et al, "Automated Optical Mass Storage Systems with 3-Beam magneto-Optical Disk Drives", Symposium on Mass Storage Systems, 000272139, Oct. 7, 1991, pp. 149-154.
"F6445 Optical Disk Library System," Fujitsu, 44, 5, pp. 455-462 (Sep., 1993).

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