| 摘要 |
The invention relates to a device for preventing illegal exportation of a content protected by a global copy protection system to a local copy protection system. According to the invention, each content liable to be exported contains a unique identifier and the device comprises a table for storing unique identifiers of all contents that have already been exported through said device. The invention also relates to a method for recording a content received by such a device. This method comprises the steps consisting, if the copy is to be made for a local copy protection system, in checking whether the unique identifier of said content is contained in the table of said device; and should said checking be positive, in preventing the recording; andshould said checking be negative, in recording the content and storing said unique identifier in said table.
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