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    • 55. 发明申请
    • METHOD AND APPARATUS FOR DEVICE ACCESS FAIRNESS IN FIBRE CHANNEL ARBITRATED LOOP SYSTEMS
    • 用于光纤通道仲裁系统中设备访问公平的方法和装置
    • WO2005008405A2
    • 2005-01-27
    • PCT/US2004/021982
    • 2004-07-09
    • EMULEX DESIGN & MANUFACTURING CORPORATIONWARREN, Bruce, GregoryGOODWIN, WilliamMIES, CarlJOHNSON, Bruce, E.WHITE, Michael, L.ENG, Warren
    • WARREN, Bruce, GregoryGOODWIN, WilliamMIES, CarlJOHNSON, Bruce, E.WHITE, Michael, L.ENG, Warren
    • G06F
    • H04L47/10H04L12/433H04L47/20
    • Methods and apparatus for switching Fibre Channel Arbitrated Loop Systems is provided between a plurality of Fibre Channel Loop devices. In one aspect of the invention, the system switches based at least in part on arbitrated loop primitives. An exemplary interconnect system may include a first port and a second port, both including port logic to monitor cretins arbitrated loop primitives, a connectivity apparatus, a route determination apparatus including a routing table consisting of ALPA addresses and their associated ports, the route determination apparatus coupled to each port and the connectivity apparatus, where the connectivity apparatus creates paths between the ports based on arbitrated loop primitives. In one embodiment, the connectivity apparatus is a crossbar switch. Examples of the arbitrated loop primitives that cause the switch to create paths between ports includes one or more o the following: ARB, OPN and CLS. In yet other aspects, the system ensures device access fairness through one or more techniques, including a rotating priority system, a counter to count the number of OPNs, especially sequential OPNs, and/or priority based on port type. Device zoning may be implemented. In one implementation, the system includes trunking such that frames may be transferred on multiple ports.
    • 在多个光纤通道环路设备之间提供用于交换光纤通道仲裁环路系统的方法和设备。 在本发明的一个方面,系统至少部分地基于仲裁的循环原语来切换。 示例性互连系统可以包括第一端口和第二端口,其包括用于监视cretins仲裁环路原语的端口逻辑,连接装置,包括由ALPA地址及其相关联的端口组成的路由表的路由确定装置,路由确定装置 耦合到每个端口和连接装置,其中连接装置基于仲裁的循环基元在端口之间创建路径。 在一个实施例中,连接装置是交叉开关。 导致交换机在端口之间创建路径的仲裁循环图元的示例包括以下一个或多个:ARB,OPN和CLS。 在另一方面,该系统通过一种或多种技术来确保设备访问的公平性,包括旋转优先级系统,计数OPN数量的计数器,特别是连续的OPN,和/或基于端口类型的优先级。 可以实现设备分区。 在一个实现中,系统包括中继,使得帧可以在多个端口上传送。
    • 58. 发明申请
    • OPTICAL PICKUP AND SIGNAL ANALYZING SYSTEM FOR MASS FLOWMETERS
    • 用于大容量流量计的光学拾取和信号分析系统
    • WO1994021990A1
    • 1994-09-29
    • PCT/US1994003230
    • 1994-03-23
    • ELDEC CORPORATIONPALMER, Duane, E.JOHNSON, Bruce, E.BRODEUR, David, L.CHILES, William, E.
    • ELDEC CORPORATION
    • G01F01/82
    • G01F1/82
    • The impeller (7) and drum (6) of a motorless in-line mass flowmeter (20) are constructed with small optical targets (21 and 22) having high reflectivity. Light is pulsed toward the path of rotation of the targets (21 and 22) through optical fibers (40, 29, 30). The pulse width is small in comparison to the delay between pulses. Reflections of the pulses from the optical targets (21 and 22) are conveyed by a single output fiber (43) to a remote location where the optical pulses are converted to electrical pulses. The electrical pulses can be analyzed to determine the speed of the impeller (7) and the deflection angle of the impeller (7) relative to the drum (6), for accurate determination of the mass flow rate of liquid passing through the flowmeter (20).
    • 无马达直列质量流量计(20)的叶轮(7)和滚筒(6)由具有高反射率的小型光学靶(21和22)构成。 光通过光纤(40,29,30)朝向目标(21和22)的旋转路径脉冲。 与脉冲之间的延迟相比,脉冲宽度较小。 来自光学目标(21和22)的脉冲的反射由单个输出光纤(43)传送到光脉冲被转换成电脉冲的远程位置。 可以分析电脉冲以确定叶轮(7)的速度和叶轮(7)相对于滚筒(6)的偏转角,以准确地确定通过流量计(20)的液体的质量流量 )。