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    • 93. 发明授权
    • Method and apparatus for simplifying the computation of alternate network paths
    • 用于简化备用网络路径计算的方法和装置
    • US09124512B2
    • 2015-09-01
    • US13595011
    • 2012-08-27
    • Peter Ashwood SmithHong ZhangGuoli Yin
    • Peter Ashwood SmithHong ZhangGuoli Yin
    • H04L12/26H04L12/707H04L12/66H04L12/751H04J3/14
    • H04L45/22H04J3/14H04L12/66H04L45/02
    • An alternate path calculation process may be terminated after considering some of a source node's neighbors and without considering each of its neighbors, to reduce the amount of processing required to perform the alternate path calculations. The neighbors may be ranked according to the number of alternate paths that the neighbor has historically been able to provide on the network. The influence of historical success or failure may degrade over time so that the rankings may be adjusted to reflect changes in network topography. A given source node, when computing alternate paths through the network, may preferentially select neighbors to perform alternate path calculations on historically higher scoring nodes before performing calculations on historically lower scoring nodes. Several different criteria may be used to stop the alternate path calculation process before considering all neighbors. The neighbors may be loop free neighbors or U-turn neighbors.
    • 替代路径计算过程可以在考虑了源节点的邻居中的一些并且不考虑其每个邻居的情况下终止,以减少执行备用路径计算所需的处理量。 可以根据邻居历史上能够在网络上提供的备用路径的数量来排列邻居。 历史成功或失败的影响可能随着时间的推移而降低,以便调整排名以反映网络地形的变化。 给定的源节点在计算通过网络的备用路径时,可以优先选择邻居,以便在历史上较高的得分节点执行计算之前对历史上较高的评分节点执行备用路径计算。 在考虑所有邻居之前,可以使用几种不同的标准来停止备用路径计算过程。 邻居可以是无循环的邻居或U形圈邻居。
    • 96. 发明授权
    • Method and apparatus for selecting between available neighbors in a RAPID alternate path calculation
    • 用于在RAPID替代路径计算中的可用邻居之间进行选择的方法和装置
    • US09059920B2
    • 2015-06-16
    • US13588126
    • 2012-08-17
    • Ravi RavindranPeter Ashwood SmithHong Zhang
    • Ravi RavindranPeter Ashwood SmithHong Zhang
    • H04L12/721H04L12/701H04L12/751H04L12/705H04L12/707H04L12/703H04L12/24
    • H04L45/12H04L41/06H04L45/00H04L45/02H04L45/123H04L45/18H04L45/22H04L45/28
    • A weighting process may be used to select between alternate neighbors in a RAPID calculation to enable policy and/or traffic engineering considerations to affect the selection of an alternate path through the network. The information used to weight the neighbors may static administratively assigned weighting information or dynamic weighting information such as local statistical traffic condition information. The process may take into account the amount of traffic being handled by the current primary next hop for the destination, the available capacity of the available alternate neighbors, the ability of the alternate neighbors to handle the additional traffic, and other considerations. Weighting may occur after a set of available loop free alternate neighbors has been determined. Alternatively, weighting may occur before the RAPID calculation has been performed to cause the neighbors to be ordered prior to RAPID processing. This may enable RAPID calculation to stop without considering all available neighbors.
    • 可以使用加权过程来在RAPID计算中的备选邻居之间进行选择,以使策略和/或流量工程注意事项能够影响通过网络的备用路径的选择。 用于加权邻居的信息可以静态地管理地分配加权信息或动态加权信息,例如本地统计交通状况信息。 该过程可以考虑由目的地的当前主要下一跳处理的业务量,可用替代邻居的可用容量,备用邻居处理附加业务的能力以及其他考虑。 在确定了一组可用的无环路交替邻居之后,可能会发生加权。 或者,可以在执行RAPID计算之前进行加权,以使得在RAPID处理之前对邻居进行排序。 这可能使RAPID计算停止,而不考虑所有可用的邻居。
    • 97. 发明申请
    • LED driving device and control method
    • LED驱动装置及控制方法
    • US20150022100A1
    • 2015-01-22
    • US13811907
    • 2012-03-30
    • Hong ZhangXiaobin GuXiaoming WuLaijian ChenWei ChengHanniu Gong
    • Hong ZhangXiaobin GuXiaoming WuLaijian ChenWei ChengHanniu Gong
    • H05B33/08
    • H05B33/0815H05B33/0827H05B33/083H05B33/0851Y02B20/346
    • The invention is provided with an LED driving device and the control method. The driving device includes power converter, microprocessor and LED circuit. Wherein the power converter includes impulse transformer and switch control circuit. Primary winding at input side of the impulse transformer connects with rectifier filter circuit by the switch control circuit. Secondary winding at output side and auxiliary winding connect with power end of the microprocessor by constant voltage control switch. Output end of the microprocessor connects with LED circuit. The LED driving device and the control method provided by this invention collects on/off signal of mechanical lamp by using switch control circuit. Light is adjusted by LED circuit driven by the microprocessor, and thus heat elimination effect is improved, power consumption is lowered and brightness is enhanced.
    • 本发明提供一种LED驱动装置及其控制方法。 驱动装置包括电源转换器,微处理器和LED电路。 其中功率转换器包括脉冲变压器和开关控制电路。 脉冲变压器输入侧的初级绕组由开关控制电路与整流滤波电路连接。 输出侧次级绕组和辅助绕组通过恒压控制开关连接微处理器的电源端。 微处理器的输出端与LED电路连接。 本发明提供的LED驱动装置和控制方法通过使用开关控制电路来收集机械灯的开启/关闭信号。 光由微处理器驱动的LED电路调节,从而提高了散热效果,降低了功耗,提高了亮度。
    • 100. 发明授权
    • Automatic mute control for video conferencing
    • 视频会议自动静音控制
    • US08681203B1
    • 2014-03-25
    • US13589831
    • 2012-08-20
    • Li YinHong ZhangZhe Wang
    • Li YinHong ZhangZhe Wang
    • H04N7/15
    • H04N7/15H04M3/567
    • In one example, a device executes one or more video communication processes that receive audio streams and video streams from a plurality of computing devices participating in a video communication session associated with the one or more video communication processes. The device evaluates one or more properties of the audio streams, including the volume of an audio signal among the audio streams. The device selects a first group of the audio streams to mute in the video communication session, based at least in part on the one or more properties of the audio streams. The device distributes a second group of the audio streams in the video communication session, while muting the first group of audio streams in the video communication session.
    • 在一个示例中,设备执行从参与与一个或多个视频通信过程相关联的视频通信会话的多个计算设备接收音频流和视频流的一个或多个视频通信过程。 设备评估音频流的一个或多个属性,包括音频流之间的音频信号的音量。 至少部分地基于音频流的一个或多个属性,设备选择在视频通信会话中静音的第一组音频流。 该设备在视频通信会话中分配第二组音频流,同时在视频通信会话中使第一组音频流静音。