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    Stream data distribution method and system
    1.
    发明专利
    Stream data distribution method and system 有权
    流数据分配方法和系统

    公开(公告)号：JP2006121195A

    公开(公告)日：2006-05-11

    申请号：JP2004304443

    申请日：2004-10-19

    Applicant: Internatl Business Mach Corp ,  インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Maschines Corporation

    Inventor： SUGIHARA AKIRA ,  SHIMIZU SHUICHI ,  MASUMITSU TAKESHI

    IPC: H04N7/173 ,  H04L12/70 ,  H04L12/707 ,  H04L12/713 ,  H04L12/853 ,  H04N21/218 ,  H04N21/24

    CPC classification number: H04L67/1008 ,  H04L67/1002 ,  H04L67/1029 ,  H04L67/1031 ,  H04L67/28 ,  H04L67/2842

    Abstract: PROBLEM TO BE SOLVED: To provide a method and a system for improving the reliability and the availability of services in general for streaming distribution.
    SOLUTION: A stream data distribution method uses a distribution server for receiving stream data and a plurality of delivery servers for receiving each element of the stream data distributed from the distribution server and delivering each element to one or more receivers in the case of distributing the stream data to the one or more receivers connected by a network, the method comprises: a step where the distribution server selects some of transmissible delivery servers and transmits each element of the stream data received from a streaming source; a step where the delivery servers deliver the elements of the stream data received from the distribution server to the receivers; and a step where each receiver reconfigures the original stream data on the basis of the elements of the stream data received from the plurality of delivery servers. This system adopts this method.
    COPYRIGHT: (C)2006,JPO&NCIPI

    Abstract translation: 要解决的问题：提供一般用于流分发的提高可靠性和可用性的方法和系统。 流解决方案：流数据分配方法使用分发服务器来接收流数据和多个传送服务器，用于接收从分发服务器分发的流数据的每个元素，并且在每个元素分配到一个或多个接收器的情况下 将流数据分发到由网络连接的一个或多个接收器，所述方法包括：分发服务器选择一些可传输传送服务器并传送从流源接收的流数据的每个元素的步骤; 传送服务器将从分发服务器接收的流数据的元素传送到接收器的步骤; 以及其中每个接收器基于从多个传送服务器接收的流数据的元素重新配置原始流数据的步骤。 本系统采用这种方法。 版权所有（C）2006，JPO＆NCIPI

    DIGITAL WATERMARKING METHOD AND SYSTEM HAVING RESISTANCE TO ENLARGEMENT AND REDUCTION
    2.
    发明专利
    DIGITAL WATERMARKING METHOD AND SYSTEM HAVING RESISTANCE TO ENLARGEMENT AND REDUCTION 失效

    公开(公告)号：JP2002111994A

    公开(公告)日：2002-04-12

    申请号：JP2000276129

    申请日：2000-09-12

    Applicant: IBM

    Inventor： TANIGUCHI MASAAKI ,  SHIMIZU SHUICHI ,  KAMIJO KOICHI ,  SUGIHARA AKIRA

    IPC: G06T1/00 ,  G09C5/00 ,  H04N1/387 ,  H04N7/08 ,  H04N7/081

    Abstract: PROBLEM TO BE SOLVED: To provide a digital watermark embedding/detecting method and system not demanding a signal for geometric correction. SOLUTION: A periodic pattern having repetition is used for an embedding pattern itself having information for embedding as digital watermarking, and a change in the period is observed at the time of detection, thereby calculating an enlargement and reduction rate. At the time of detection of digital watermarking, the enlargement and reduction rate of a screen image is acquired from digital data which is performed an enlargement and reduction, and next a detection processing of the digital watermarking is carried out based on the obtained enlargement and reduction rate.

    Cache system, information processing system, cache method, program, and recording medium
    4.
    发明专利
    Cache system, information processing system, cache method, program, and recording medium 审中-公开
    缓存系统，信息处理系统，缓存方法，程序和记录介质

    公开(公告)号：JP2005122602A

    公开(公告)日：2005-05-12

    申请号：JP2003359048

    申请日：2003-10-20

    Applicant: Internatl Business Mach Corp ,  インターナショナル・ビジネス・マシーンズ・コーポレーションInternational Business Maschines Corporation

    Inventor： MASUMITSU TAKESHI ,  SUGIHARA AKIRA ,  SHIMIZU SHUICHI

    IPC: G06F12/00

    Abstract: PROBLEM TO BE SOLVED: To effectively utilize the availability of a storage device without interrupting the processing of an operating system. SOLUTION: A cache system for caching data in a storage device managed by the operating system in an information processor is provided with a storage instruction means for storing cache data to be cached in an unused area of the storage device which is not used for the operating system, a storing position management means for managing the storing position of the cache data stored by the storage instruction means, an error decision means for acquiring the cache data from the storing position managed by the storing position management means and deciding whether the acquired cache data are broken due to the use of the storing position by the operating system or not, and an output means for outputting the cache data at the time of deciding that the cache data are not broken. COPYRIGHT: (C)2005,JPO&NCIPI

    Abstract translation: 要解决的问题：有效利用存储设备的可用性，而不中断操作系统的处理。 解决方案：用于在由信息处理器中的操作系统管理的存储设备中缓存数据的缓存系统提供有存储指令装置，用于存储要缓存在未使用的存储设备的未使用区域中的高速缓存数据 对于操作系统，存储位置管理装置用于管理由存储指令装置存储的高速缓存数据的存储位置，错误判定装置，用于从由存储位置管理装置管理的存储位置获取高速缓存数据， 获取的高速缓存数据由于使用操作系统的存储位置而被破坏，以及输出装置，用于在确定高速缓存数据未被破坏时输出高速缓存数据。 版权所有（C）2005，JPO＆NCIPI

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