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    Broadcast data receiver system
    53.
    发明授权
    Broadcast data receiver system 有权
    广播数据接收系统

    公开(公告)号：US07926074B2

    公开(公告)日：2011-04-12

    申请号：US10468426

    申请日：2001-07-26

    申请人： David Woodhouse ,  Michael Steval ,  Andrew Bee ,  Gerard Smith

    发明人： David Woodhouse ,  Michael Steval ,  Andrew Bee ,  Gerard Smith

    IPC分类号： H04N7/173 ,  H04N7/16

    CPC分类号： H04N21/436 ,  H04N7/163 ,  H04N21/40 ,  H04N21/44227 ,  H04N21/4623

    摘要： A broadcast data receiver system is provided and a method of operating the system. The system includes a first broadcast data receiver (BDR) (2) located at a first location, typically in a premises. The BDR (2) receives video, audio and/or auxiliary digital data broadcast from a remote location via cable, satellite or terrestrial means. The BDR processes the data and displays the processed data on a display screen (10) and/or audio data via speakers connected thereto. At least a second broadcast data receiver (8) is provided at least a second location typically in the same premises. One of the first and second BDRs (2, 8) is made functional by a signal received from the other of the first and second BDRs, via a telecommunications line (4) provided in the premises and connecting the first and at least second BDRs together, thereby ensuring that both BDRs are connected before operation of the two BDRs can be achieved.

    摘要翻译： 提供广播数据接收机系统和操作该系统的方法。 该系统包括位于第一位置的第一广播数据接收器（BDR）（2），通常位于处所内。 BDR（2）通过有线，卫星或地面方式从远程位置接收视频，音频和/或辅助数字数据广播。 BDR处理数据并通过连接到其上的扬声器在显示屏幕（10）和/或音频数据上显示处理的数据。 至少第二广播数据接收器（8）至少提供在同一房屋内的第二位置。 第一和第二BDR（2,8）中的一个通过从第一和第二BDR中的另一个经由设置在房屋中的电信线路（4）接收的信号而发挥功能，并将第一和第二BDR连接在一起 ，从而确保两台BDR之间的连接可以实现两台BDR的运行。

    Software and data file updating process
    60.
    发明申请
    Software and data file updating process 有权
    软件和数据文件更新过程

    公开(公告)号：US20050071371A1

    公开(公告)日：2005-03-31

    申请号：US10672921

    申请日：2003-09-26

    申请人： David Woodhouse

    发明人： David Woodhouse

    IPC分类号： G06F9/445 ,  G06F17/00

    CPC分类号： G06F8/658

    摘要： A file updating process where a seed file is to be updated or revised to match a target file utilizes cached checking data to increase efficiency. Initially, target file checking data for one or more blocks of the target file are generated. These target file checking data are then stored to cache memory. In a similar manner, seed file checking data corresponding to one or more blocks of the seed file are generated. Then, during the updating process, the seed file checking data are compared with the target file checking data stored in memory to identify any differences between blocks of the seed file and blocks of the target file. If any differences are identified, the old seed file blocks are replaced with newly downloaded target file blocks. Alternatively, the old seed file blocks may be reconstructed in a manner such that they match the target file blocks.

    摘要翻译： 要更新或修改种子文件以匹配目标文件的文件更新过程利用缓存的检查数据来提高效率。 最初，生成目标文件的一个或多个块的目标文件检查数据。 然后将这些目标文件检查数据存储到高速缓冲存储器。 以类似的方式，生成与种子文件的一个或多个块对应的种子文件检查数据。 然后，在更新处理期间，将种子文件检查数据与存储在存储器中的目标文件检查数据进行比较，以识别种子文件的块和目标文件的块之间的任何差异。 如果识别出任何差异，则会使用新下载的目标文件块替换旧的种子文件块。 或者，可以以使得它们与目标文件块匹配的方式重建旧种子文件块。