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    • 5. 发明授权
    • Information reproducing apparatus for reproducing video signals and program information which are recorded in information recording media
    • 用于再现记录在信息记录介质中的视频信号和节目信息的信息再现装置
    • US06278836B1
    • 2001-08-21
    • US08917509
    • 1997-08-26
    • Toshiyuki KawaraMasatoshi ShinboHiroshi Taniguchi
    • Toshiyuki KawaraMasatoshi ShinboHiroshi Taniguchi
    • H04N591
    • H04N9/8211G11B19/12G11B20/00086G11B20/00768G11B20/10527G11B27/105G11B2220/20H04N5/85H04N9/8042H04N2005/91321
    • Disclosed is an information reproducing apparatus for reading out main information to be a target of reproduction and auxiliary information to control reproduction of the main information from an information recording medium containing the main information and the auxiliary information, and reproducing the main information according to the auxiliary information. This apparatus comprises reproduction restricting information extracting means for extracting reproduction restricting information used for reproduction restriction of a part or the whole of the read-out main information, from the read-out auxiliary information; reproduction restricting information used for deciding one of various modes of reproduction restriction including a mode in which reproduction restriction is not performed; and reproduction restricting means for performing reproduction restriction of a part or the whole of the read-out main information in the mode of reproduction restriction decided by the reproduction restriction decision means. Therefore, reproduction of information, which is recorded on an information recording medium such as an optical disk and available by reproduction, can be restricted in a desired mode, whereby the use of a software, such as a movie or a computer program, can be restricted.
    • 公开了一种信息再现装置,用于从包含主信息和辅助信息的信息记录介质读出作为再现目标的主信息和辅助信息以控制主信息的再现,并根据辅助信息再现主信息 信息。 该装置包括:再现限制信息提取装置,用于从读出的辅助信息中提取用于再现限制信息的一部分或全部的读出的主要信息; 再现限制信息,用于确定包括不执行再现限制的模式的各种再现限制模式之一; 以及再现限制装置,用于在由再现限制判定装置决定的再现限制的模式中执行读出的主要信息的一部分或全部的再现限制。 因此,记录在诸如光盘等信息记录介质上的信息的再现可以被限制在期望的模式中,由此使用诸如电影或计算机程序的软件可以是 限制