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    • 7. 发明申请
    • METHOD AND DEVICE FOR MAKING AVAILABLE ENCODED DIGITAL DATA
    • 用于制作可用编码数字数据的方法和设备
    • WO2005050420A1
    • 2005-06-02
    • PCT/IB2004/052475
    • 2004-11-18
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PROIDL , Adolf
    • PROIDL , Adolf
    • G06F1/00
    • G06F21/10
    • In a method for preventing unwanted use of encoded digital data (D1, D2; D1' D2'), provision is made for authorization-to-use information (BBI1, BBI2; BBI1', BBI2') to be made available to a data-sink device (3), which authorization-to-use information (BBI1, BBI2; BBI1', BBI2') is made available separately from the digital data (Dl, D2; Dl' D2'), is intended for authorizing use of the digital data (D1, D2; Dl' D2') by the data-sink device (3) and comprises at least the blocking information (BL1, BL2; BL1', BL2') for blocking further availability of the digital data (D1, D2; D1' D2') plus decoding information (DC1, DC2; DC1' DC2'), which decoding information (DC1, DC2; DC1' DC2') is associated with the digital data (D1, D2; D1' D2'), is intended for decoding the digital data (D1, D2; D1' D2') and is available to the data-source device (4) before the authorization-to-use information (BBI1, BBI2; BBI1', BBI2') is made available to the data-sink device (3), and in which method a withdrawal of the availability of the decoding information (DC1, DC2; DC1' DC2') to the data-source device (4) also takes place.
    • 在防止不必要地使用编码数字数据(D1,D2; D1'D2')的方法中,提供授权使用信息(BBI1,BBI2; BBI1',BBI2')可用于数据 - 将与数字数据(D1,D2; D1'D2')分开使用的授权使用信息(BBI1,BBI2; BBI1',BBI2')的 - 接收设备(3)旨在授权使用 所述数据数据装置(3)的数字数据(D1,D2; D1'D2')至少包括用于阻止数字数据的进一步可用性的阻塞信息(BL1,BL2; BL1',BL2') ,D2,D1'D2')和解码信息(DC1,DC2; DC1“DC2”),该解码信息(DC1,DC2; DC1“DC2”)与数字数据 )用于对数字数据(D1,D2; D1'D2')进行解码,并且在授权使用信息(BBI1,BBI2; BBI1',BBI2')之前可用于数据源设备(4) 被提供给数据接收设备(3),并且在哪种方式中提取 解码信息的可用性(DC1,DC2; DC1'DC2')发送到数据源设备(4)。