Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1994-03-25
1996-04-30
Nguyen, Viet Q.
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
369 36, 369 33, 369 32, 395442, 360 9804, 360 9805, G11B 1722, G11B 1568, G06F 1126
Patent
active
055131565
ABSTRACT:
A library apparatus where multiple moving commands generated by several upper-order units are conveyed to a director. The moving commands may be sequentially conveyed through the same channel or may be simultaneously conveyed through different channels. The moving commands are then conveyed to an accessor controller which includes a queuing table for storing the commands. The queuing table permits the accessor controller to receive additional commands prior to the execution of the previous command. Therefore, the processing speed of the system is increased. Next, the commands are conveyed to a plurality of accessors which transfer the medium cartridges to the desired location. Several accessors may be operated simultaneously in parallel. The simultaneous operation of several accessors also increases the efficiency and speed of the system.
REFERENCES:
patent: 5303214 (1994-04-01), Kulakowski et al.
Hanaoka Yasuhiko
Kato Keiichi
Kitanaka Yoshiyuki
Mase Tomonori
Ochi Yoshiaki
Fujitsu Limited
Nguyen Viet Q.
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