Device for scanning an information carrier, method of...

G - Physics – 11 – B

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G11B 20/18 (2006.01)

Patent

CA 2343787

A device for reading an information carrier (1), which information carrier carries identification information (10, 11) and user information (7, 8), which identification information (10, 11) is arranged so as to be spread over the information carrier and which information comprises data (7, 13) and parities (8, 12). The device includes read means (42, 34) for reading the information from the information carrier and error correction means (45) for correcting errors in the information. The device further includes organization means (46) for organizing the information in such a way that both the identification information and the user information can be processed by the error correction means (45). The invention further relates to a method of manufacturing and to an information carrier (1).

La présente invention concerne un dispositif permettant de lire un support d'informations (1) qui porte des informations relatives à l'identification (10, 11) et des informations relatives à l'utilisateur (7, 8). Les informations relatives à l'identification (10, 11) sont disposées de façon à être réparties sur le support d'informations et comprennent des données (7, 13) et des parités (8, 12). Ce dispositif comprend des moyens de lecture (42, 34) permettant de lire des informations à partir du support d'informations, ainsi que des moyens de correction d'erreur (45) permettant de corriger des erreurs dans les informations. De plus, ce dispositif comprend des moyens d'organisation (46) permettant d'organiser les informations de façon qu'à la fois les informations relatives à l'identification et les informations relatives à l'utilisateur peuvent être traitées par les moyens de correction d'erreur (45). Cette invention concerne également un procédé de fabrication, ainsi qu'un support d'informations (1).

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