Dynamic information storage or retrieval – Condition indicating – monitoring – or testing – Including radiation storage or retrieval
Patent
1996-09-09
2000-07-18
Huber, Paul W.
Dynamic information storage or retrieval
Condition indicating, monitoring, or testing
Including radiation storage or retrieval
369 47, G11B 509
Patent
active
060916869
ABSTRACT:
An improved file system and method for incrementally recording data on compact discs is disclosed. The improved file system and method employs compact discs physically formatted in accordance with the so-called Orange Book specification. Files to be stored are selected from time to time and are divided into packets. The packets are then recorded in a program area of the compact disc together with link, run-in and run-out blocks in a format compatible with the Orange Book rules for linking incrementally recorded packets. File linking information is also stored with each file. If desired, files may, but need not, be recorded in a form compatible with existing CD-ROM and drivers adhering to the ISO-9660 standard. As selected files are recorded, file and directory information are stored in a first storage area either in a host system or in a track of the compact disc in a double linked and highly efficient format. From time to time, and if desired, this information may be recorded in ISO 9660 format in a reserved first track of a session. This may occur upon closing the session, at some other time, or not at all. Multiple sessions may be recorded on the same compact disc.
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Caffarelli Fabrizio
D'Amato Andrea
Adaptec, Inc.
Huber Paul W.
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