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    • 8. 发明申请
    • Method and apparatus for re-importing content
    • 重新导入内容的方法和装置
    • US20070156590A1
    • 2007-07-05
    • US11509000
    • 2006-08-24
    • Young-sun YoonBong-seon KimSu-hyun Nam
    • Young-sun YoonBong-seon KimSu-hyun Nam
    • G06Q99/00
    • G06F21/10H04N21/43615H04N21/4627H04N21/8355
    • A method and apparatus for protecting digital content in a digital rights management (DRM) system. The method of re-importing a second content file, which was imported from a first content file, as a third content file, includes determining whether to allow the re-importing of the second content file based on a difference between a current usage bind of the content determined in an import process and an original usage bind of the content and changing a usage bind of the content from the current usage bind to the original usage bind based on the result of determination. Therefore, when the usage bind of content, which had to be a domain bound, was inevitably determined to be a device bound due to a situation at the time of a content import process, the content can be freely used in the domain bound, which is the original usage bind of the content, according to usage constraints information (UCI) of the content.
    • 一种用于保护数字版权管理(DRM)系统中的数字内容的方法和装置。 将从第一内容文件导入的第二内容文件重新导入作为第三内容文件的方法包括基于当前使用绑定之间的差异来确定是否允许重新导入第二内容文件 在导入过程中确定的内容和内容的原始使用绑定以及基于确定结果将当前使用绑定的内容的使用绑定改变为原始使用绑定。 因此,当内容必须是域绑定的使用绑定不可避免地被确定为由于在内容导入处理时的情况而绑定的设备时,可以在域绑定中自由使用该内容,其中 是内容的原始使用绑定,根据内容的使用约束信息(UCI)。