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    • 23. 发明申请
    • METHOD AND SYSTEM FOR ALLOWING MULTIPLE RECEIVING UNITS IN A NETWORK TO RECORD THE SAME CONTENT WHILE MINIMIZING NETWORK RESOURCE USE
    • 允许网络中多个接收单元记录相同内容的方法和系统,最小化网络资源使用
    • US20090254951A1
    • 2009-10-08
    • US12060944
    • 2008-04-02
    • Sean S. LeeScott D. Casavant
    • Sean S. LeeScott D. Casavant
    • H04N7/173
    • H04N5/76H04N7/163H04N21/41407H04N21/4335H04N21/43622H04N21/47214H04N21/4788
    • A method and system for providing content includes a network having a plurality of receiving units generating a plurality of recording requests for content and communicating the recording requests through the network. The system also includes a first receiving unit of the plurality of receiving units that is selected by the network to record content corresponding to the request in a first memory and storing the content in a first memory of the first receiving unit. The network communicates a do-not record signal to the plurality of receiving units except the first receiving unit. A second receiving unit of the plurality of receiving units forms a selection for the content and communicating the selection to the first receiving unit. The first receiving unit streams the content to the second receiving unit through the network. The second receiving unit displays the content on a display associated with the second receiving unit.
    • 用于提供内容的方法和系统包括具有多个接收单元的网络,所述多个接收单元生成多个用于内容的记录请求并通过网络传送记录请求。 该系统还包括由网络选择的多个接收单元的第一接收单元,用于将与该请求相对应的内容记录在第一存储器中,并将该内容存储在第一接收单元的第一存储器中。 网络将不记录信号传送到除了第一接收单元之外的多个接收单元。 多个接收单元中的第二接收单元形成用于内容的选择并将选择传送给第一接收单元。 第一接收单元通过网络将内容流送到第二接收单元。 第二接收单元在与第二接收单元相关联的显示器上显示内容。
    • 30. 发明授权
    • Field elimination apparatus for a video compression/decompression system
    • 用于视频压缩/解压缩系统的场消除装置
    • US5426464A
    • 1995-06-20
    • US324558
    • 1994-10-18
    • Scott D. CasavantTristan Savatier
    • Scott D. CasavantTristan Savatier
    • H03M7/30H04N7/01H04N7/24H04N19/00H04N7/50
    • H04N7/0112H04N19/85
    • Video signal compression apparatus includes a memory for storing two fields of image data and providing fields of image data separated by one frame intervals. Image data from corresponding fields of successive frames are subtracted to generate field differences. The field differences are accumulated over respective field intervals, and the sum is compared against a predetermined value. If a sum of differences over a field is less than the predetermined value, the most recent field is considered to be redundant and may be excised. After respective fields are excised, frames of video signal are composed from the remaining fields. The field types (e.g., odd or even) of the fields in the memory are determined, and the data is accessed from the respective fields in memory such that data from odd and even fields occupy odd and even lines in the composed frames respectively. Flags are associated with composed frames to indicate which fields contain data associated with excised fields, and which field of the composed frames should be displayed first.
    • 视频信号压缩装置包括用于存储两个图像数据域的存储器,并提供以一个帧间隔分隔的图像数据的字段。 相减帧的相应场的图像数据被减去以产生场差。 场差异在各个场间隔中累积,并且将和与预定值进行比较。 如果场上的差异之和小于预定值,则认为最近的场是冗余的并且可以被切除。 在各个字段被切除之后,视频信号的帧由剩余字段组成。 确定存储器中的场的场类型(例如,奇数或偶数),并且从存储器中的各个场访问数据,使得来自奇数和偶数场的数据分别在组合帧中占据奇数和偶数行。 标志与组合帧相关联,以指示哪些字段包含与被切除的字段相关联的数据,并且应该首先显示组合帧的哪个字段。