G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 7/004 (2006.01) G11B 7/007 (2006.01) G11B 20/12 (2006.01)
Patent
CA 2689528
Provided is a method for easily judging that a disc is an optical disc that conforms to the DVD Download standards, without generating malfunction. A Wobble signal is detected in a data zone (21) of an optical disc (YES in a step (S2)), CSS information is detected from a lead-in zone (20) of the optical disc (YES in step (S5)), and when attribute information, which is of the optical disc and recorded in the lead-in zone (20) of the optical disc, is further read and the disc is recognized as a DVD-ROM (YES in a step (S7)), the optical disc is judged as an optical disc that conforms to the DVD Download standards.
La présente invention concerne un procédé permettant de reconnaître qu'un disque est un disque optique conforme aux normes de téléchargement de DVD, sans entraîner de défaut de fonctionnement. Un signal de balayage est détecté dans une zone de données (21) d'un disque optique (OUI à l'étape S2), l'information CSS est détectée à partir d'une zone d'amorce (20) du disque optique (OUI à l'étape S5), et quand en outre il y a lecture de l'information attribut concernant le disque optique et enregistrée dans la zone d'amorce (20) du disque optique et que le disque est reconnu comme DVD-ROM (YES à l'étape S7), le disque optique est reconnu comme un disque optique conforme aux normes de téléchargement des DVD.
Kabushiki Kaisha Kenwood
Ridout & Maybee Llp
LandOfFree
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