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    • 37. 发明申请
    • Network Connection Switching Unit and Network Station
    • 网络连接切换单元和网络站
    • US20090287812A1
    • 2009-11-19
    • US11921986
    • 2006-05-03
    • Michael WeberIngo Huetter
    • Michael WeberIngo Huetter
    • G06F15/173
    • H04L12/2805H04L12/2803H04L12/44H04L67/02H04L67/16H04L69/329H04L2012/2841H04L2012/285
    • The invention relates to the field of data transmission in a network of distributed stations. One problem, particularly in a UPnP based network, is that the UPNP devices need to be constantly switched on in order to be available in the network. The invention intervenes at this point and describes ways in which unused network stations can be switched off but continue to be identified as devices in the network. If a device which is switched off is needed, it is automatically switched on. This allows a considerable power saving to be achieved in the network. The invention provides for a network connection switching unit to contain “communication maintenance means” which maintain the communication for an inactivated network station at least to a restricted extent instead of the inactivated network station. A network station matched thereto is also proposed.
    • 本发明涉及分布式站的网络中的数据传输领域。 一个问题,特别是在基于UPnP的网络中,UPNP设备需要不间断地打开才能在网络中可用。 本发明在此介入并且描述了未使用的网络站可以被关闭但是继续被识别为网络中的设备的方式。 如果需要关闭的设备,则会自动打开。 这允许在网络中实现相当大的功率节省。 本发明提供了一种网络连接切换单元,其包含“通信维护装置”,其将灭活网络站的通信至少维持在有限的程度上而不是灭活的网络站。 还提出了与其匹配的网络站。
    • 38. 发明申请
    • Method and Device for the Transfer of a Data Flow a Data Source to a Data Sink
    • 用于将数据流传输到数据接收器的方法和设备
    • US20090240848A1
    • 2009-09-24
    • US12083655
    • 2006-10-24
    • Ingo HuetterMichael Weber
    • Ingo HuetterMichael Weber
    • G06F3/00H04L29/06
    • H04L29/06027H04L65/608
    • In the transfer of AV data flows, especially in a network environment, a delayed transition from one operating mode to the other operating mode will be possible when changing the operating mode from e.g. normal replay to fast forward search. This is due to the fact that—in the transfer from data source to data sink different buffer memory stages must be passed before the transferred data finally come to decoding. When the request for changing the operating mode comes, the data already present in the buffer memories must first be processed before the actually requested new data come to be decoded. For the solution of the problem described, it is suggested according to the invention that—after the request of changing the operating mode—the undesirable data in the buffer memories are quickly eliminated through suitable measures so that the desired data can then be decoded faster. To do that, an identifier for the new operating mode is inserted in the data flow on the part of the data source device. The decoder driver of the decoder in the data sink device will search for the inserted identifier in the data flow and reject all data packets which are not combined with this identifier. Thus, the buffer memory stages are discharged fast and a smooth transition with the change of operating mode will be realized.
    • 在AV数据流的传输中,特别是在网络环境中,从一个操作模式到另一个操作模式的延迟转换是可能的。 正常播放快速搜索。 这是因为在传输的数据最终进入解码之前,必须先将从数据源到数据宿的传输不同的缓冲存储器级传递。 当改变操作模式的请求到来时,必须首先在实际请求的新数据被解码之前处理已经存在于缓冲存储器中的数据。 对于所述问题的解决方案,根据本发明提出,在改变操作模式的请求之后,通过适当的措施快速消除缓冲存储器中不期望的数据,从而可以更快地解码所需的数据。 为此,在数据源设备的数据流中插入新的操作模式的标识符。 数据宿设备中的解码器的解码器驱动器将在数据流中搜索插入的标识符,并且拒绝不与该标识符组合的所有数据分组。 因此,缓冲存储器级被快速放电,并且将实现与操作模式的改变的平滑过渡。