Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition
Patent
1998-02-24
2000-09-26
Cabeca, John W.
Electrical computers and digital processing systems: memory
Storage accessing and control
Specific memory composition
711111, 711154, 348 7, 707205, 369 30, G06F 1200
Patent
active
061254282
ABSTRACT:
A multimedia data reproduction apparatus comprising an optical disk library containing a plurality of optical disks and a plurality of optical disk drives, a file management unit for managing names of motion picture files stored in the respective optical disks, a media management unit for managing whether each of the optical disks is being used or not, a drive management unit for managing whether each of the optical disk drives is being used or not, an open processing unit for deciding whether to accept a request to start reading or reject it according to information from the file management unit, media management unit and the drive management unit, a close processing unit for performing close processing of a motion picture file for which a request to end reading is issued, a data readout control unit for reading motion picture data in response to the request to start reading, and a network control unit for controlling communication between the above-mentioned units and terminal PCs 20. In this apparatus, it is possible to continuously reproduce motion pictures from the optical disk library.
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Brubek, D. Et al., Hierarchical Storage Management in a Distributed VOD System, IEEE online Documents, pp. 37-47, 1996.
Lin, Y. et al., A Hierarchical Network Storage Architecture for Video-on-Demand Services, IEEE Transactions, pp. 355-364, 1996.
Enoki Nobuyuki
Miyazaki Masaya
Owada Kiyoshi
Bataille Pierre-Michel
Cabeca John W.
Matsushita Electric - Industrial Co., Ltd.
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