Information storage medium and method and apparatus of...

G - Physics – 11 – B

Patent

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G11B 7/007 (2006.01)

Patent

CA 2515489

An information storage medium and a method of recording data on and/or reproducing data from the information storage medium, includes an information storage medium having at least one information storage layer. Data is recorded in the form of protruding or indented pits in the entire or partial area of the information storage medium, and information regarding the protruding or indented pits is recorded. Smooth tracking can be achieved using the information regarding the protruding or indented pits, that is, push-pull polarity information.

L'invention concerne un support de mise en mémoire de l'information ainsi qu'un procédé et un appareil d'enregistrement et/ou de reproduction de données sur et/ou à partir dudit support. Ce support comprend un support de mise en mémoire de l'information comprenant au moins une couche de mise en mémoire de l'information. Des données sont enregistrées sous la forme de protubérances ou de dépressions dans la totalité ou dans une partie de la zone du support de mise en mémoire de l'information et l'information concernant les protubérances ou les dépressions est enregistrées. L'information concernant les protubérances ou les dépressions, c'est-à-dire, l'information de polarité différentielle, permet d'assurer un suivi continu.

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