Enhanced data storage and retrieval devices and systems and...

G - Physics – 11 – B

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G11B 11/00 (2006.01) G11B 5/02 (2006.01) G11B 5/09 (2006.01) G11B 7/0065 (2006.01) G11B 7/013 (2006.01) G11B 7/125 (2006.01) G11C 13/06 (2006.01) G11B 5/00 (2006.01) G11B 5/012 (2006.01) G11B 5/39 (2006.01) G11B 7/0045 (2006.01) G11B 7/005 (2006.01) G11B 9/00 (2006.01)

Patent

CA 2434307

The invention relates generally to store information on magnetic or optical storage media by using one or more novel approaches alone or in combination. These novel approaches are capable of using at least one code which may comprise more than two values (figure 4d, 43). A first series of approaches for the storage of information applies generally to optical recording and reproducing system (figures 7-10, optical media 66), while a second series of approaches applies generally to electric or magnetic recording and reproducing systems (figure 1-2, magnetic medium 1), Each series of approaches is capable of storing information data in one or more codes (figure 4d, 42a, 42b, 42c, 42d) and the use of at least one higher order code which is different from the traditional binary code of "0" and "1".

L'invention a trait, en général, au stockage d'informations sur des supports de stockage optiques ou magnétiques, au moyen d'une ou plusieurs nouvelles approches, utilisées individuellement ou en combinaisons. Ces nouvelles approches peuvent utiliser au moins un code qui peut comporter plus de deux valeurs (figure 4d, 43). Une première série d'approches pour le stockage d'informations s'applique en général à un système d'enregistrement et de reproduction optique (figures 7-10, supports optiques 66), alors qu'une deuxième série d'approches s'applique en général à des systèmes d'enregistrement et de reproduction magnétiques ou électriques (figures 1-2, support magnétique 1). Chaque série d'approches peut stocker des données d'information dans un code au moins (figure 4d, 42a, 42b, 42c, 42d) et peut utiliser au moins un code d'ordre plus élevé qui est différent du code binaire traditionnel de <= 0 >= et <= 1 >=.

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