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    • 35. 发明授权
    • System having a power adapter that generates a data signal based on the state of a external power source that is used to manage the power consumption of a CPU
    • 具有电源适配器的系统,其基于用于管理CPU的功耗的外部电源的状态生成数据信号
    • US07243246B2
    • 2007-07-10
    • US10741400
    • 2003-12-19
    • Robert AllenWilliam O. Bain
    • Robert AllenWilliam O. Bain
    • G06F1/00
    • G06F1/26
    • A system and method for determining the type of power source supplying electrical power to a power adapter for a portable computer. In an embodiment of the invention, a power adapter for a portable computer is provided with a first power identification circuit for generating system information relating to operation on an AC power source and a second power identification circuit for generating system information relating to operation on a DC power source. A power source detector is operable to detect whether the electrical power supplied to the power adapter is AC or DC power and to enable the first or second power identification circuit, respectively, thereby generating a data signal indicating the respective type of power source. The data signal is provided to a subsystem manager in the computer to allow identification of the type of external power source. The information regarding the type of external power source can be used by the portable computer to control various operating parameters, including the charging state of the battery and the power consumption levels of various system components.
    • 一种用于确定为便携式计算机的电源适配器提供电力的电源类型的系统和方法。 在本发明的一个实施例中,用于便携式计算机的电源适配器设置有第一电力识别电路,用于产生与AC电源上的操作相关的系统信息,以及用于产生与在DC上的操作有关的系统信息的第二电力识别电路 能量源。 电源检测器可操作以检测提供给电力适配器的电力是AC或DC电力,并且分别启用第一或第二电力识别电路,从而产生指示各种类型的电源的数据信号。 数据信号被提供给计算机中的子系统管理器以允许识别外部电源的类型。 关于外部电源的类型的信息可以由便携式计算机用于控制各种操作参数,包括电池的充电状态和各种系统组件的功率消耗水平。
    • 37. 发明申请
    • Ethernet network implementing redundancy using a single category 5 cable
    • 以太网使用单一类别5电缆实现冗余
    • US20060250947A1
    • 2006-11-09
    • US11123325
    • 2005-05-04
    • Robert Allen
    • Robert Allen
    • H04J1/16H04J3/14
    • H04L12/40182H04L12/437Y10S370/908Y10S370/91
    • A method for providing redundancy in a daisy chain local area network employing Category 5 cabling for connecting network devices uses the normally unused twisted wire pairs in the single Cat 5 cable connecting adjacent network devices. The method includes forming in each network device a passive signal path connecting pins of an upstream port associated with the normally unused twisted wire pairs of the Cat 5 cable to pins of a downstream port associated with the normally unused twisted wire pairs of the Cat 5 cable, forming loop back connections at the terminal network devices where the loop back connections connect the normally used twisted wire pairs to the normally unused twisted wire pairs of the Cat 5 cable connected to the terminal network devices, and implementing a Spanning Tree Protocol in each of the network devices for defining an active signal path through the local area network.
    • 在连接网络设备的采用5类布线的菊花链局域网中提供冗余的方法使用连接相邻网络设备的单个Cat 5电缆中通常使用的双绞线对。 该方法包括在每个网络设备中形成被动信号路径,该无源信号路径将与Cat5电缆的通常未使用的双绞线相关联的上游端口的引脚连接到与Cat 5电缆的通常未使用的双绞线对相关联的下游端口的引脚 在终端网络设备处形成环回连接,其中环回连接将常用的双绞线连接到连接到终端网络设备的Cat 5电缆的通常使用的双绞线对,并且在每个终端网络设备中实现生成树协议 用于定义通过局域网的活动信号路径的网络设备。