| 摘要 |
This invention relates to a method of accessing a data medium implemented on a media device (20), which method includes the steps of receiving said data medium (22) on a media device; assigning a first identification code representing an ID of said data medium, when said data medium is received for the first time or reading said first identification code from said data medium; receiving a second identification code representing an ID of a proprietor of said data medium with first information about accessibility regarding content on said data medium: storing said first and second identification code with said first information about accessibility, and optionally storing a first password of said proprietor, if received; receiving a third identification code representing an ID of a user attempting to use said data medium; determining second information about accessibility based on at least one of said first, second and third identification codes and based on said first information about accessibility; and providing a first access to said data medium based on said second information about accessibility. Said method further includes the steps of receiving a second password; modifying said second information about accessibility based on said first password and the received second password; and providing a second access to said data medium based on said modified second information about accessibility. This allows reading, writing, and modification of content to/from said data medium on said media device to be controlled by various IDs, e.g. user ID, passwords, disc IDs.
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