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    • 71. 发明申请
    • SYSTEMS AND METHODS FOR BACKING UP DATA FILES
    • 备份数据文件的系统和方法
    • US20070294321A1
    • 2007-12-20
    • US11754785
    • 2007-05-29
    • Christopher MidgleyJohn Webb
    • Christopher MidgleyJohn Webb
    • G06F17/00
    • G06F11/1451G06F11/1464G06F11/1469Y10S707/99953Y10S707/99955
    • Disclosed are systems and methods for maintaining, in a storage system having a source storage system and target storage system, information from which a set of source data files stored on a storage system can be retrieved. In one embodiment, the method comprises storing baseline images of one or more source data files in target files of the target storage system. For a selected target storage time, locations in the source storage system where changes have been made since a previous target storage time are dynamically identified. Contents that occupy the locations are read and sent to the target storage system. The contents are stored in the target storage system together with associations of the contents with the locations.
    • 公开了用于在具有源存储系统和目标存储系统的存储系统中维护可从其中检索存储在存储系统上的一组源数据文件的信息的系统和方法。 在一个实施例中,该方法包括将一个或多个源数据文件的基线图像存储在目标存储系统的目标文件中。 对于所选择的目标存储时间,动态地识别源存储系统中自上一个目标存储时间以来已经进行了改变的位置。 占用位置的内容将被读取并发送到目标存储系统。 内容与内容与位置的关联一起存储在目标存储系统中。
    • 78. 发明授权
    • Systems and methods for backing up data files
    • 用于备份数据文件的系统和方法
    • US06526418B1
    • 2003-02-25
    • US09465411
    • 1999-12-16
    • Christopher MidgleyJohn WebbJim CampbellManuel GonsalvesDan Chatier
    • Christopher MidgleyJohn WebbJim CampbellManuel GonsalvesDan Chatier
    • G06F1730
    • G06F11/1461G06F11/1451G06F11/1464Y10S707/99938Y10S707/99955
    • The invention provides systems and methods for continuous back up of data stored on a computer network. To this end the systems of the invention include a synchronization process that replicates selected source data files data stored on the network and to create a corresponding set of replicated data files, called the target data files, that are stored on a back up server. This synchronization process builds a baseline data structure of target data files. IN parallel to this synchronization process, the system includes a dynamic replication process that includes a plurality of agents, each of which monitors a portion of the source data files to detect and capture, at the byte-level, changes to the source data files. Each agent may record the changes to a respective journal file, and as the dynamic replication process detects that the journal files contain data, the journal files are transferred or copied to the back up server so that the captured changes can be written to the appropriate ones of the target data files.
    • 本发明提供用于连续备份存储在计算机网络上的数据的系统和方法。 为此,本发明的系统包括同步过程,其复制存储在网络上的所选择的源数据文件数据,并且创建被存储在备份服务器上的称为目标数据文件的相应的一组复制数据文件。 此同步过程构建目标数据文件的基准数据结构。 与该同步过程并行,系统包括动态复制过程,其包括多个代理,每个代理监视源数据文件的一部分以在字节级检测和捕获源数据文件的改变。 每个代理可以将更改记录到相应的日志文件中,并且当动态复制进程检测到日记文件包含数据时,日记文件将被传输或复制到备份服务器,以便将捕获的更改写入适当的日志文件 的目标数据文件。
    • 79. 发明授权
    • Method of reading a security thread
    • 阅读安全线程的方法
    • US5889271A
    • 1999-03-30
    • US836636
    • 1997-05-15
    • Martin John Webb
    • Martin John Webb
    • G06K7/08G06K17/00G06K19/06G07D7/00G07D7/04G06K7/10
    • G06K7/084G07D7/00
    • A security thread detector assembly for reading a security thread carried by a security document and coded such that each of a succession of segments along the thread represents a digital value, the particular digital value being represented by the particular characteristic of the respective segment comprises a head having a multiplicity of parallel reading channels having a track pitch which is substantially less than the length of a segment and being disposed to read the document such that the thread is substantially broadside to the channels, whereby all the segments are sensed substantially simultaneously and each segment is represented by a plurality of samples.
    • PCT No.PCT / GB95 / 02608 Sec。 371日期1997年5月15日 102(e)日期1997年5月15日PCT提交1995年11月7日PCT公布。 WO96 / 16381 PCT出版物 日期1996年5月30日一种安全线程检测器组件,用于读取由安全文件携带的安全线程并进行编码,使得沿着线程的一系列段中的每一个代表数字值,该特定数字值由相应的特定特征表示 片段包括具有多个平行读取通道的头部,该平行读取通道具有基本上小于段的长度的轨道间距,并被设置为读取文档,使得线程基本上与通道相邻,由此所有段被基本上感测 并且每个段由多个样本表示。