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    • 8. 发明申请
    • POWER SOURCE CIRCUIT EFFICIENT IN CONVERSION FROM ALTERNATING CURRENT TO DIRECT CURRENT
    • 电源电路从交流电流转换为直流电流有效
    • US20120188809A1
    • 2012-07-26
    • US13157321
    • 2011-06-10
    • XIAO-FENG CAOHUI LI
    • XIAO-FENG CAOHUI LI
    • H02M7/06
    • H02M7/062
    • A power source circuit which includes input portions, a limiting resistor connected to one of the input portions, a rectifier connected to the limiting resistor, a sampling resistor connected to the rectifier, output portions connected to the rectifier, a control circuit, and a switch circuit connected to the control circuit. The control circuit is connected to the two ends of the sampling resistor and the switch circuit is connected to the two ends of the limiting resistor. The control circuit is configured to output a first signal to the switch circuit if the current in the sampling resistor is greater than a predetermined value. The predetermined value is less than the level of current being consumed by a load in normal operation. The switch circuit is configured to isolate the sampling resistor when the first signal is received.
    • 一种电源电路,包括输入部分,连接到一个输入部分的限制电阻器,连接到限制电阻器的整流器,连接到整流器的采样电阻器,连接到整流器的输出部分,控制电路和开关 电路连接到控制电路。 控制电路连接到采样电阻的两端,开关电路连接到限流电阻的两端。 如果采样电阻器中的电流大于预定值,则控制电路被配置为向开关电路输出第一信号。 该预定值小于在正常操作中由负载消耗的电流的电平。 开关电路被配置为当接收到第一信号时隔离采样电阻器。
    • 9. 发明授权
    • Butterfly network with switches set for two node disjoint paths and method for forming the paths
    • 具有两个节点不相交路径的交换机的蝴蝶网络和用于形成路径的方法
    • US07787449B2
    • 2010-08-31
    • US11527767
    • 2006-09-26
    • Feng Cao
    • Feng Cao
    • H04L12/46
    • H04L47/10H04L45/00H04L45/16H04L45/22H04L45/24H04L45/28H04L45/507H04L47/125H04L49/15H04L49/1507H04L49/1515H04L49/552
    • In a butterfly network, a number of switches are set to provide two paths that are independent of each other, from a first switch to a second switch, and from the first switch to a third switch respectively. Identification of switches to be set from among all switches in the butterfly network depends on the locations of the first switch, the second switch and the third switch relative to one another. The to-be-set switches are determined by starting with the first switch as a preceding switch, identifying the next switch for a path by simply changing the level number (e.g. incrementing the level number) of a preceding switch in the path, and by changing a bit of the row number of the preceding switch (e.g. by replacing the (α-th bit with a corresponding bit from the destination switch's row number), and repeating such acts with the just-identified switch as a preceding switch. The direction of the path is reversed on reaching a last level or a last row of the network. Such addressing techniques identify all switches that need to be used to form two node disjoint paths from the first switch to the second and third switches. The two paths can be used to redundantly couple a source switch to a destination switch, for load balancing, for fault tolerance, or for multicasting.
    • 在蝶形网络中,多个开关被设置为提供从第一开关到第二开关彼此独立的两个路径,并且分别从第一开关提供到第三开关。 从蝴蝶网络中的所有交换机中设置的交换机的标识取决于第一交换机,第二交换机和第三交换机相对于彼此的位置。 通过从第一开关开始作为先前的开关来确定要设置的开关,通过简单地改变路径中的先前交换机的电平数量(例如增加电平数量)来识别路径的下一个开关,并且通过 改变先前交换机的行号的一位(例如,通过将目标交换机的行号中的相应位替换为第α位),并将刚才识别的开关重复这样的动作作为前一个开关,方向 的路径在到达网络的最后一级或最后一行时是相反的,这种寻址技术识别需要用于形成从第一交换机到第二和第三交换机的两个节点不相交路径的所有交换机,这两个路径可以 用于冗余地将源交换机连接到目标交换机,用于负载平衡,容错或组播。