Data copy-protecting system for creating a copy-secured...

Details Data copy-protecting system for creating a copy-secured... Data copy-protecting system for creating a copy-secured...

G - Physics

11

B

G11B 20/00 (2006.01) G06F 1/00 (2006.01)

Patent

CA 2435499

The invention concerns a data copy-protecting system for creating a copy secured optical disc. The system comprises, at the editor's of an application (12), a creating software assembly (10) borne by a self-protected optical disc including a set of protecting elements enabling the editor to insert in the application a protecting file translating his strategic protective choices. The resulting set is transcribed onto a carrier disc (CD-R1) to be sent to the stamping specialist. The latter, using a pre-mastering software (20) reproduces the content of the final disc comprising a two-part protective zone, in the form of two discs (CD-R2, CD-R3) respectively containing the data of the main track with the first part of the protective zone and of the second part. The invention is useful for creating copy secured optical discs. FIG. 2: A EDITOR 10 CREATING SET 11 WORKSTATION 12 APPLICATION B CD STAMPING SPECIALIST 20 PRE-MASTERING SET 21 WORKSTATION 22 MASTERING STAMPING

L'invention concerne un système de protection contre la copie d'informations pour la création d'un disque optique protégé. Le sytème comprend, chez l'éditeur d'une application (12), un ensemble logiciel de création (10) porté par un disque optique auto-protégé comprenant un ensemble d'éléments de protection permettant à l'éditeur d'insérer dans l'application un fichier de protection traduisant ses choix stratégiques de protection. L'ensemble résultant est transcrit sur un disque de transport (CD-R1) pour être envoyé chez le duplicateur. Celui-ci, à l'aide d'un ensemble logiciel de pré- matriçage (20) reconstruit le contenu du disque définitif comportant une zone de protection en deux parties, sous la forme de deux disques (CD-R2, CD-R3) contenant respectivement les données de la piste principale avec la première partie de la zone de protection et de la seconde partie. L'invention s'applique à la création de disques optiques protégés contre la copie.

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