Optical disk write method

Details Optical disk write method Optical disk write method

1995-11-01

1998-02-24

Hafiz, Tariq R.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

395404, 395427, 369 58, 369 32, G06F 900, G06F 922

Patent

active

057218560

ABSTRACT:
In a first step of an optical disk write method, an area for logical format information is reserved on an optical disk; in a second step, variable-length packets, each packet comprising a demarcation block and a variable-length data block including a new file or a corrected file, on a data area, in response to a write instruction for writing the new file or the corrected file; in a third step, a volume history indicating a logical structure of files is maintained and file logical information for written and deleted files is chronologically appended to the volume history; in a fourth step, logical format information of the optical disk is produced based on the volume history, in response to an instruction for finalization; and in a fifth step, the logical format information, a lead-in area and a lead-out area are provided on the optical disk.

REFERENCES:
patent: 5210734 (1993-05-01), Sakurai
patent: 5295126 (1994-03-01), Okano et al.
patent: 5325352 (1994-06-01), Matsumoto
patent: 5559778 (1996-09-01), Inokuchi et al.
patent: 5611066 (1997-03-01), Keele et al.
patent: 5617384 (1997-04-01), Yonemitsu et al.
patent: 5623470 (1997-04-01), Asthana et al.

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