G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 7/013 (2006.01) G06F 12/06 (2006.01) G11B 5/012 (2006.01)
Patent
CA 2574544
A recording medium, and a method and apparatus of controlling an access to the recording medium are disclosed. Physical access control (PAC) information that is pre-recorded on a recording medium is extracted. Then, a PAC identification is extracted from the PAC information. An access to the recording medium is controlled using first control information that is included in the PAC information, when the PAC identification is known. Alternatively, the access to the recording medium is controlled using second control information that is included in the PAC information, when the PAC identification is unknown.
L'invention concerne un support d'enregistrement, ainsi qu'un procédé et un appareil de contrôle d'accès à un support d'enregistrement. Des informations de contrôle d'accès physique (PAC) qui sont pré-enregistrées sur un support d'enregistrement sont extraites. Ensuite, une identification de PAC est extraite à partir des informations de PAC. Un accès au support d'enregistrement est contrôlé à l'aide de premières informations de contrôle qui sont incluses dans les informations de PAC, lorsque l'identification de PAC est connue. Dans une variante, l'accès au support d'enregistrement est contrôlé à l'aide de secondes informations de contrôle qui sont incluses dans les informations de PAC, lorsque l'identification de PAC est inconnue.
Lg Electronics Inc.
Moffat & Co.
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