Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1997-08-21
1999-09-28
Neyzari, Ali
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
369 58, G11B 1722
Patent
active
059599464
ABSTRACT:
A disk drive device for driving a hybrid optical disk recording medium includes a read head and a read/write head. The read head detects information recorded in a first area of the hybrid optical disk recording medium in accordance with a standard optical format. The read/write head reads or writes information in a second area of the hybrid optical disk. The information recorded in the second area may be written in a different medium, such as a magnetic medium, and/or a different format than the standard optical format. The information recorded in the first area may be set during manufacture of the hybrid disk. On the other hand, information in the second area may be added or changed by the user of the hybrid disk after manufacture.
REFERENCES:
patent: 5214627 (1993-05-01), Nakashima et al.
patent: 5566144 (1996-10-01), Shinada
Neyzari Ali
Sun Microsystems Inc.
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