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    • 24. 发明专利
    • Device, method, and program for reproducing content and integrated circuit
    • 用于复制内容和集成电路的设备,方法和程序
    • JP2009054144A
    • 2009-03-12
    • JP2008189959
    • 2008-07-23
    • Panasonic Corpパナソニック株式会社
    • NAKANO TOSHIHISA
    • G06F21/24G06T1/00G11B20/10H04N1/387H04N5/91H04N5/93
    • G11B20/00086G06T1/0071G06T2201/0064G06T2201/0065G11B20/0021G11B20/00246G11B20/00253G11B20/00695G11B20/00884G11B20/00905H04N5/913H04N2005/91335
    • PROBLEM TO BE SOLVED: To provide a content reproduction device and a method for it capable of properly performing content reproduction control based on copyright information when a plurality of kinds of copyright information are detected from a disk or the like. SOLUTION: In an electronic watermark detector as the content reproduction device, detection of watermark information is tried from respective blocks constituting the content. A result storage means 401 stores result information comprising the detected watermark information and frequency information showing an appearance frequency of the watermark information. Every time when the watermark information is detected from the respective blocks, a comparison means 402 compares the detected watermark information with that in the result information and carries out collation to a predetermined condition to decide whether update of the result information is necessary or not. An update means 403 carries out updating, and a control means 307 carries out reproduction restriction of the content by using the result information. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种内容再现装置及其方法,当从盘等检测到多种版权信息时,能够根据版权信息适当地执行内容再现控制。 解决方案:在作为内容再现装置的电子水印检测器中,从构成内容的各个块中尝试检测水印信息。 结果存储装置401存储包括检测到的水印信息的结果信息和表示水印信息的出现频率的频率信息。 每当从各个块检测到水印信息时,比较装置402将检测到的水印信息与结果信息中的水印信息进行比较,并将其对准到预定条件,以决定是否需要更新结果信息。 更新装置403执行更新,并且控制装置307通过使用结果信息来执行内容的再现限制。 版权所有(C)2009,JPO&INPIT