Koninklijke Philips Corporation N.v.

Gerrit Jan Scholl

Ronald Marcel Tol

Wilhelmus Jacobus Van Gestel

Steven Broeils Luitjens

The invention relates to a method and devices for storing and reading data () on a storage medium (). In order to allow compatibility between different file systems (JAFS, UDF) data structures are stored in a first administrative area () as belonging to the first file system (JAFS) and a second administrative area () belonging to the second file system (UDF). Thus, a so-called bridge disc is achieved that may be read in the different file systems.

Method and devices for storing and reading data on a storage medium in accordance with at least two file systems, and storage medium for use in at least two file system

In a method and a device for reading and a method and a device for recording files on a sequential medium as well as the sequential medium itself, in order to enable the use of sequential write-once mediums, the file system descriptor pointing to a current version of a management information area, is recorded on a reserved track being located at the beginning of the volume. Thereby, the management information area is recorded at a location behind files being recorded onto the volume.

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Eindhoven, Netherlands

Gerrit Jan Scholl