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    • 2. 发明授权
    • Disk drive and method for performing realtime processing and non-realtime processing simultaneously
    • 同时执行实时处理和非实时处理的磁盘驱动器和方法
    • US07461219B2
    • 2008-12-02
    • US11112365
    • 2005-04-22
    • Yukie HiratsukaYukihide InagakiTetsuya Uemura
    • Yukie HiratsukaYukihide InagakiTetsuya Uemura
    • G06F12/00
    • G06F3/0659G06F3/0619G06F3/0676
    • Embodiments of the invention ensure both a realtime nature of a realtime processing and data integrity of a non-realtime processing and perform the both processings efficiently when the realtime processing and the non-realtime processing are performed simultaneously. In one embodiment, a time limit is set not only for a realtime processing command but also for a non-realtime processing command and, if the execution of the non-realtime processing command is not completed within the set time limit, the execution of the non-realtime processing command is interrupted forcibly and a host is informed of a data transfer status at the time of the interruption so that the host can restart the interrupted processing based on the data transfer status of the interrupted processing when a time that can be allocated for the non-realtime processing command occurs again.
    • 本实施例同时确保了实时处理的实时性和非实时处理的数据完整性,并且在实时处理和非实时处理同时执行时有效地执行这两个处理。 在一个实施例中,不仅对于实时处理命令而且对于非实时处理命令设置时间限制,并且如果非实时处理命令的执行在设定的时间限制内未完成,则执行 非实时处理命令被强制中断,并且在中断时向主机通知数据传送状态,使得主机可以在可分配时间的情况下基于中断处理的数据传送状态重新启动中断的处理 对于非实时处理命令再次发生。
    • 3. 发明授权
    • Track allocation method of disk drive
    • 磁盘驱动器的跟踪分配方法
    • US07408731B2
    • 2008-08-05
    • US11645131
    • 2006-12-21
    • Tetsuya UemuraHideki Saga
    • Tetsuya UemuraHideki Saga
    • G11B5/09G11B21/02
    • G11B5/09G11B20/1258G11B20/1883G11B2020/1238G11B2020/1242G11B2020/1289G11B2020/1292G11B2220/20G11B2220/2516
    • Embodiments in accordance with the present invention relate to methods wherein a capacity of a disk drive is increased by partially overwriting adjacent tracks to shorten the track width and collectively updating a data update unit made up of a plurality of tracks, wherein the capacity reduction caused by a defective track is suppressed. Track groups having two types of track widths, or Shingled Tracks(ST) and Tiled Tracks(TT), are allocated in a zone. First, the zone is divided into two areas, namely, a shingled track (ST) area and a spare or tiled track (TT) area. When a defective track is detected in the shingled track (ST) area, it is checked whether or not the spare or tiled track (TT) area affords an area to be transferred. If it does, an area is transferred from the spare or tiled track (TT) area to the shingled track (ST) area. When it is confirmed that the allocation of ST has been completed, TT is allocated to the remaining spare or tiled track (TT) area in subsequent steps.
    • 根据本发明的实施例涉及通过部分覆盖相邻轨道来增加盘驱动器的容量以缩短轨道宽度并且集体更新由多个轨道组成的数据更新单元的方法,其中由 有缺陷的轨道被抑制。 具有两种类型的轨道宽度的轨道组,或带状轨迹(ST)和平铺曲线(TT))被分配在一个区域中。 首先,该区域分为两个区域,即带状轨道(ST)区域和备用或平铺轨道(TT)区域。 当在带状圈(ST)区域中检测到有缺陷的轨道时,检查备用或平铺轨道(TT)区域是否提供要传送的区域。 如果是这样,一个区域从备用或平铺轨道(TT)区域转移到带状轨道(ST)区域。 当确认ST的分配已经完成时,TT在随后的步骤中分配给剩余的备用或平铺轨道(TT)区域。
    • 9. 发明授权
    • File sharing system and file sharing method
    • 文件共享系统和文件共享方法
    • US07865537B2
    • 2011-01-04
    • US12068216
    • 2008-02-04
    • Shoji KodamaKiyotake KumazawaNaoko IwamiTetsuya Uemura
    • Shoji KodamaKiyotake KumazawaNaoko IwamiTetsuya Uemura
    • G06F17/30
    • G06F17/30165G06F21/6254H04L9/0891H04L9/0894H04L63/083H04L2209/42
    • Privacy information of a user is protected without hampering convenience when such user is to process a file in an online file storage. Provided is a file sharing system including at least one or more information processing units and a storage apparatus connected to the at least one or more information processing units via the Internet, and for storing files from the at least one or more information processing units in the storage apparatus and sharing the stored files with the at least one or more information processing units. The information processing unit includes a file creation unit for separating, when creating a file in the storage apparatus, privacy information that identifies a user creating the file from information required for creating the file in the storage apparatus, and creating the file in the storage apparatus by using information obtained by converting the separated privacy information.
    • 当用户处理在线文件存储中的文件时,保护用户的隐私信息而不妨碍方便。 提供了一种文件共享系统,包括至少一个或多个信息处理单元和经由因特网连接到所述至少一个或多个信息处理单元的存储装置,并且用于存储来自所述至少一个或多个信息处理单元的文件 存储装置,并与所述至少一个或多个信息处理单元共享存储的文件。 所述信息处理单元包括:文件创建单元,用于当在所述存储装置中创建文件时,分离在所述存储装置中识别从创建所述文件所需的信息创建所述文件的用户的隐私信息,以及在所述存储装置中创建所述文件 通过使用通过转换分离的隐私信息获得的信息。
    • 10. 发明授权
    • System and method for virtualizing a distributed network storage as a single-view file system
    • 将分布式网络存储器虚拟化为单视图文件系统的系统和方法
    • US07587426B2
    • 2009-09-08
    • US10219770
    • 2002-08-16
    • Shinji FujiwaraNobutoshi SagawaTetsuya UemuraHiroaki Odawara
    • Shinji FujiwaraNobutoshi SagawaTetsuya UemuraHiroaki Odawara
    • G06F17/30
    • H04L67/1097H04L67/1002H04L67/1023
    • The invention relates to a method of virtualizing a plurality of network storages into a single-view file system for a client and obtains information about an object's storage location without inquiring of a resource manager. The method determines a network storage that should store an object based on a hash value generated from a logical identifier for the object to be accessed. While accessing the object, the method computes the hash value for the object's logical identifier to determine a network storage that should process an access request. Consequently, the method eliminates the need to inquire the object's storage location when the access request is issued. Further, the method eliminates the need to maintain the object's storage location when the number of servers is increased or decreased, thus providing easy management.
    • 本发明涉及将多个网络存储器虚拟化为用于客户机的单视图文件系统的方法,并且在不查询资源管理器的情况下获取关于对象的存储位置的信息。 该方法基于从要访问的对象的逻辑标识符生成的散列值来确定应存储对象的网络存储。 在访问对象时,该方法计算对象的逻辑标识符的哈希值,以确定应处理访问请求的网络存储。 因此,当发出访问请求时,该方法消除了查询对象的存储位置的需要。 此外,当服务器的数量增加或减少时,该方法消除了维护对象的存储位置的需要,从而提供容易的管理。