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    • 18. 发明专利
    • Information distribution system, distribution center unit used in the system, user terminal device, and information storage medium
    • 信息分配系统,系统中使用的分配中心单元,用户终端设备和信息存储介质
    • JP2008042884A
    • 2008-02-21
    • JP2007140064
    • 2007-05-28
    • Toshiba Corp株式会社東芝
    • KURIHARA SHINICHI
    • H04N7/173G06F21/62G11B27/00H04L9/08H04N5/765H04N5/91H04N7/167H04N21/4623H04N21/6334H04N21/8352H04N21/8355
    • G11B23/40G06F21/10G11B20/00086G11B20/00115G11B20/0021G11B20/00224G11B20/00427G11B20/00442G11B20/0084G11B20/00855
    • PROBLEM TO BE SOLVED: To provide an information distribution system which can present the content of a contract or the like of information distributed from a distribution center unit on the side of user terminal device, and to provide a distribution center unit, user terminal device, and an information storage medium used in this system. SOLUTION: When a distribution center unit distributes an encrypted content to a user terminal device through communication line, a media ID of the storage medium is required, and a decoding key of the encrypted content is enciphered using the media ID concerned and is sent to the user terminal device. In the user terminal device, the encrypted content is downloaded and saved. After encryption key is received, it is decoded using media ID of the information storage medium, and the encrypted content is decoded using the decoding key. In the distribution center unit, according to the request of the user terminal device, printing information corresponding to viewing and listening conditions of the distribution content is provided to the user terminal device, so the printing information can be printed by the user terminal device suitably. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种信息分发系统,其可以呈现从用户终端设备侧从分发中心单元分发的信息的合同等的内容,并且提供分发中心单元,用户 终端装置,以及在该系统中使用的信息存储介质。 解决方案:当分配中心单元通过通信线路将加密内容分发给用户终端设备时,需要存储介质的介质ID,并且使用所涉及的介质ID对加密内容的解码密钥进行加密,并且是 发送到用户终端设备。 在用户终端设备中,下载并保存加密的内容。 在接收到加密密钥之后,使用信息存储介质的介质ID对其进行解码,并且使用解码密钥对加密的内容进行解码。 在配送中心单元中,根据用户终端装置的要求,向用户终端装置提供与分发内容的观看条件相对应的打印信息,因此可以适当地由用户终端装置打印打印信息。 版权所有(C)2008,JPO&INPIT