Thomson Licensing

Deutsche Thomson-brandt Gmbh

Alois Kern

Gael Pilard

Hartmut Richter

Frank Przygodda

Stephan Knappmann

Herbert Hoelzemann

Xavier Lebegue

Stefan Rapp

Emmanuel Daugeras

Stefan Kimmmelmann

The optical storage medium comprises a substrate layer and a data layer disposed on the substrate layer, the data layer having a mark/space data structure being arranged in tracks, wherein on a first track, the marks are enlarged in length and the spaces are shortened in length, and on an adjacent track, the marks are shortened in length and the spaces are enlarged in length. The track pitch between adjacent tracks is particularly below a diffraction limit of &#x3bb;/2*NA of a pickup for reading of the data.

Optical storage medium having different dimension of recorded marks and spaces on different tracks

A stand alone CD player for reading data from a recording medium having data formatted in accordance with CD-like recording formats, for example, CD-ROM, CD-I and CD-V, stored thereon. According to the present invention, the playback of data from a recording medium having data in such a recording format is made possible by a virtual table of contents generated by the stand alone CD player. The virtual table of contents also enables sequential access to data stored on the recording medium that has a table of contents that cannot be read by the present CD player.

CD player for CD-like recording formats

Growing community of inventors

Villingen-Schwenningen, Germany

Alois Kern