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    • 85. 发明专利
    • Reproduction apparatus, system, and method
    • 重现装置,系统和方法
    • JP2006157735A
    • 2006-06-15
    • JP2004347784
    • 2004-11-30
    • Toshiba Corp株式会社東芝
    • HIROTA ATSUSHIKUROIWA WATARU
    • G06F21/10G06F21/60G06F21/62H04L9/14H04N7/167H04N21/218H04N21/835
    • H04N5/913G11B20/00086G11B20/0021G11B20/00507G11B20/00847G11B20/00855G11B20/00869H04N5/765H04N5/781H04N5/85H04N5/907H04N7/1675H04N9/8042H04N21/222H04N21/4184H04N21/4405H04N21/631
    • PROBLEM TO BE SOLVED: To provide a reproduction apparatus which surely acquires and reproduces high-image-quality and long-time contents while keeping security.
      SOLUTION: The reproduction apparatus includes: a communication unit 111 for receiving the distribution of contents from a server device T via a network; a decoding unit 144; a reproduction unit 123; and a control unit 130 to which distribution information 22, 23 indicating which of a plurality of module parts in a plurality of server parts supplies each of divided contents, a plurality of decryption keys 24 corresponding to module parts of server parts and a plurality of divided contents 21 encrypted by the plurality of decryption keys are distributed from the server device T via the communication unit when encrypting and distributing the divided contents of the contents from the plurality of modules that the plurality of servers S1-Sn owned in the server device T have, and which performs control to decode and reproduce the plurality of divided contents using the decoding unit, based on the distribution information and the plurality of decryption keys.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种确保在保持安全性的同时获取和再现高图像质量和长时间内容的再现装置。 解决方案:再现设备包括:通信单元111,用于经由网络从服务器设备T接收内容的分发; 解码单元144; 再现单元123; 以及控制单元130,分配信息22,23指示多个服务器部分中的多个模块部分中的哪一个向每个分割的内容提供多个解密密钥24,对应于服务器部分的模块部分和多个分割的内容 当从服务器装置T中拥有的多个服务器S1-Sn所具有的多个模块中分发内容的分割内容时,经由通信单元从服务器装置T分发由多个解密密钥加密的内容21 并且基于分发信息和多个解密密钥,执行使用解码单元对多个分割内容进行解码和再现的控制。 版权所有(C)2006,JPO&NCIPI