PORTABLE POWER MANAGER
    6.
    发明申请
    PORTABLE POWER MANAGER 有权
    便携式电源管理器

    公开(公告)号:US20120151240A1

    公开(公告)日:2012-06-14

    申请号:US12815994

    申请日:2010-06-15

    IPC分类号: G06F1/26 H02J1/00

    摘要: A portable DC power manager (400) includes an internal power bus (410) and a plurality of device ports (1150, 1160, 1170, 1180, 1190, 1200) for connecting with external power and energy sources, external power loads and other external power managers. Each device port is isolated for the internal power bus by controllable switches (A, B, C, D). Power converters (440, 442, 510) may be disposed between device ports and the internal power bus to convert voltages and attenuate current amplitude. Energy management schema operating on the power manager sums available power and allocates the available power to connected power loads according to power priority settings. A hot-change-over circuit (1300) connects additional sources to the internal bus in response to a voltage drop on the internal power bus. A compact and lightweight package (1100) enables a portability.

    摘要翻译: 便携式直流电源管理器(400)包括内部电力总线(410)和用于与外部电力和能量源,外部电力负载和其它外部电力连接的多个设备端口(1150,1160,1170,1180,1190,1200) 电力经理。 每个设备端口通过可控开关(A,B,C,D)与内部电源总线隔离。 功率转换器(440,442,510)可以设置在器件端口和内部电源总线之间,以转换电压并衰减电流幅度。 在功率管理器上运行的能源管理模式将可用功率相加,并根据功率优先级设置为连接的功率负载分配可用功率。 热转换电路(1300)响应于内部电源总线上的电压降将额外的源连接到内部总线。 一个紧凑轻便的包装(1100)实现了便携性。

    Method for improved cable modem ranging in a data-over-cable system
    8.
    发明授权
    Method for improved cable modem ranging in a data-over-cable system 失效
    在电缆数据系统中改进电缆调制解调器测距的方法

    公开(公告)号:US07089580B1

    公开(公告)日:2006-08-08

    申请号:US09538342

    申请日:2000-03-29

    IPC分类号: H04N7/173

    摘要: Methods for improved cable modem ranging in a data-over-cable system. One method includes receiving a value that characterizes how equipment in the network is configured. Using this characteristic value, a cable modem may estimate loss in its upstream path from a measurement of a downstream signal and thereby estimate its initial transmit level during ranging. Launching at a proper initial transmit level may ensure that range request messages arrive at the cable modem termination system with sufficient strength to be detected and hence ameliorate ranging. Another method collects difference between these estimated initial transmit levels and the final transmit levels that succeeded in evoking a response from the cable modem termination system. The collected differences are analyzed and the result of the analysis is passed to cable modems to adjust their estimated initial transmit levels. These methods may shorten a cable modem's time for ranging and may decrease collisions on the upstream path when many cable modems try to range simultaneously.

    摘要翻译: 在电缆数据系统中改进电缆调制解调器测距的方法。 一种方法包括接收表征网络中的设备如何配置的值。 使用该特征值,电缆调制解调器可以从下行信号的测量估计其上行路径中的损耗,从而在测距期间估计其初始发送电平。 以适当的初始传输级别启动可以确保范围请求消息到达电缆调制解调器终端系统,具有足够的强度以便被检测并因此改善范围。 另一种方法收集这些估计的初始发送电平与成功地引起来自电缆调制解调器终端系统的响应的最终发送电平之间的差异。 分析所收集的差异,并将分析结果传递给电缆调制解调器以调整其估计的初始发送电平。 这些方法可以缩短电缆调制解调器的测距时间,并且可以减少许多电缆调制解调器同时尝试的上行路径上的冲突。

    Method and system for virtual network administration with a data-over cable system
    9.
    发明授权
    Method and system for virtual network administration with a data-over cable system 有权
    使用数据传输电缆系统进行虚拟网络管理的方法和系统

    公开(公告)号:US06577642B1

    公开(公告)日:2003-06-10

    申请号:US09232762

    申请日:1999-01-15

    IPC分类号: H04J316

    摘要: A method and system for virtual network administration with a data-over-cable system. A virtual networking tag and a network address (e.g., an Internet Protocol address) assigned by a network other than a data-over-cable system is used to provide a virtual network to one or more network devices, such as cable modems via a data-over-cable system. The virtual networking tag may also be used to request a desired service class (e.g., Class-of-Service, Quality-of-Service, Type-of-Service, Service Level Agreements, etc.), for a desired end-to-end networking service (e.g., Voice over Internet Protocol). The virtual networking tag can be mapped to a data-over-cable service class. The data-over-cable service class can be mapped into a transport service class for a transport network. The virtual networking tag is used to provide a desired end-to-end networking service from a network device on a first external network (e.g., an Ethernet Local Area Network), through the data-over-cable system, through a transport network (e.g., Asymmetric Digital Subscriber Line, Asynchronous Transfer Mode, Frame Relay, Integrated Services Digital Network, Synchronous Optical Network, Voice over Internet Protocol, etc.) and to a second external network (e.g., another Ethernet Local Area Network). The method and system are used to provide a variety of networking services via and through a data-over-cable system.

    摘要翻译: 一种用于通过电缆数据传输系统进行虚拟网络管理的方法和系统。 虚拟网络标签和由电缆数据系统以外的网络分配的网络地址(例如,因特网协议地址)用于向一个或多个网络设备(例如经由数据的电缆调制解调器)提供虚拟网络 - 电缆系统。 虚拟网络标签还可以用于请求期望的端到端的服务类(例如,服务等级,服务质量,服务类型,服务级别协议等) 终端网络服务(例如,因特网协议语音)。 虚拟网络标签可以映射到有线数据服务类。 电缆数据服务类可以映射到传输网络的传输服务类。 虚拟网络标签用于通过数据电缆系统通过传输网络(例如,以太网局域网)从第一外部网络(例如,以太网局域网)上的网络设备提供期望的端到端网络服务 例如非对称数字用户线路,异步传输模式,帧中继,综合业务数字网络,同步光网络,因特网协议语音等)和第二外部网络(例如,另一个以太网局域网)。 该方法和系统用于通过和通过电缆数据系统提供各种网络服务。