Methods for recording multiple sessions on a rewritable DVD...

Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium

Reexamination Certificate

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Details

C386S349000, C386S349000, C386S349000, C386S349000, C386S349000

Reexamination Certificate

active

07634172

ABSTRACT:
A software driven method for recording multiple sessions on a rewritable DVD is provided. Examples include a software-driven method for appending data to rewritable DVD disc. A rewritable DVD disc for recording, wherein the rewritable DVD disc contains previously written data is received for appending data. A request to append new data to the rewritable DVD disc is received. A file system for the previously written data is located and includes a pointer to the start of the file system. The file system for the previously written data is then read. The file system is modified to continue pointing to files associated with the previously written data and to generate pointers to files of the new data. An updated file system and the new data to the rewritable DVD disc are logically written after the previously written data. The pointer of the file system is then modified to refer to the updated file system.

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Optical Storage Technology Association (OSTA) “Universal Disk Format Specification, OSTA-2, revision 2.00” OSTA, 1998, XP002113791.
“Volume and File Structure for Write-Once and Rewritable Media Using Non-Sequential Recording for Information Interchange,” ECMA Standardizing Information and Communication Systems, Standard ECMA-167, 3rd Edition, Jun. 1997.
Andar Marken, “CD-Rewritable: The Storage Revolution Continues,” Micrographics and Optical Technology, vol. 16, No. 1&2, 1998.

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