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    • 1. 发明申请
    • Optical amplifiers
    • 光放大器
    • US20060077534A1
    • 2006-04-13
    • US11146709
    • 2005-06-07
    • Roger GriggsClive PalmerAndrew ParkerTimothy Semmens
    • Roger GriggsClive PalmerAndrew ParkerTimothy Semmens
    • H01S3/00
    • H01S3/06754H01S3/06758H01S3/10015H01S3/10023H01S3/1301H01S2301/02H04B10/2942H04B2210/003
    • A multistage optical amplifier is controlled to compensate for the effect of amplified spontaneous emission (ASE) by a method comprising the following steps. Optical input and output signals to a first gain stage are detected, and the drive current to the first gain stage is controlled in dependence on the optical input signal to the first gain stage. Optical input and output signals to a last gain stage are detected, and the drive current to the last gain stage is controlled to maintain the output power of the last gain stage substantially constant. The effect of ASE in the first gain stage is compensated for by applying a correction factor based on the ASE of the first gain stage and the output power of the first gain stage. The drive current supplied to the first gain stage is controlled to zero in on an error signal of the general form: (Total Power at B−Stage 1 ASE)−(A+Stage 1 Gain) where Total Power at B is the power of the output signal from the first gain stage, and A is the input signal of the first gain stage. Furthermore the drive current supplied to the last gain stage is controlled to zero in on an error signal of the general form: (Total Power at E−Stage 2 ASE)−(D+Stage 2 Gain) where Total Power at E is the power of the output signal from the last gain stage, and D is the input signal of the last gain stage. In this method the correction factor is calibrated in the gain control mode and is subsequently applied in the power control mode, and this therefore simplifies the calibration procedure.
    • 控制多级光放大器以通过包括以下步骤的方法来补偿放大的自发发射(ASE)的影响。 检测到第一增益级的光输入和输出信号,并且根据到第一增益级的光输入信号来控制到第一增益级的驱动电流。 检测到最后一个增益级的光输入和输出信号,并控制到最后一个增益级的驱动电流,以保持最后增益级的输出功率基本恒定。 ASE在第一增益级中的作用通过应用基于第一增益级的ASE和第一增益级的输出功率的校正因子来补偿。 提供给第一增益级的驱动电流在一般形式的误差信号上被控制为零:<?in-line-formula description =“在线公式”end =“lead”?>(B处的总功率 - 1号增益) - (A +阶段1增益)<?in-line-formula description =“在线公式”end =“tail”?>其中B处的总功率是第一个输出信号的功率 增益级,A为第一增益级的输入信号。 此外,提供给最后一个增益级的驱动电流在一般形式的误差信号上被控制为零:<?in-line-formula description =“在线公式”end =“lead”?>(总功率 E阶段2 ASE) - (D +阶段2增益)<?in-line-formula description =“在线公式”end =“tail”?>其中E处的总功率是来自 最后一个增益级,D是最后一个增益级的输入信号。 在该方法中,校正因子在增益控制模式下被校准,随后在功率控制模式中被应用,因此简化了校准过程。
    • 2. 发明申请
    • BUILDING ENERGY ANALYSIS TOOL
    • 建筑能源分析工具
    • US20130144546A1
    • 2013-06-06
    • US13493858
    • 2012-06-11
    • Larry BrackneyAndrew ParkerNicholas LongIan MetzgerJesse DeanLars Lisell
    • Larry BrackneyAndrew ParkerNicholas LongIan MetzgerJesse DeanLars Lisell
    • G01R21/00G06F17/40
    • G01R21/006G06F17/40G06F17/5004G06F17/5009G06F2217/16G06Q10/063Y02P90/82
    • A building energy analysis system includes a building component library configured to store a plurality of building components, a modeling tool configured to access the building component library and create a building model of a building under analysis using building spatial data and using selected building components of the plurality of building components stored in the building component library, a building analysis engine configured to operate the building model and generate a baseline energy model of the building under analysis and further configured to apply one or more energy conservation measures to the baseline energy model in order to generate one or more corresponding optimized energy models, and a recommendation tool configured to assess the one or more optimized energy models against the baseline energy model and generate recommendations for substitute building components or modifications.
    • 建筑物能量分析系统包括构造成存储多个建筑构件的建筑构件库,建模工具,其被配置为访问建筑构件库,并使用构建空间数据创建正在分析的建筑物的建筑模型,并使用所选建筑构件 存储在建筑构件库中的多个建筑构件,构造分析引擎,其构造成操作建筑模型并生成被分析的建筑物的基准能量模型,并进一步被配置为按顺序将一个或多个节能措施应用于基准能量模型 以产生一个或多个相应的优化能量模型,以及推荐工具,被配置为针对所述基准能量模型评估所述一个或多个优化的能量模型,并且生成用于替代建筑部件或修改的建议。
    • 3. 发明申请
    • SOUND AMPLIFICATION SYSTEM COMPRISING A COMBINED IR-SENSOR/SPEAKER
    • 包含组合红外传感器/扬声器的声音放大系统
    • US20100310090A1
    • 2010-12-09
    • US12481395
    • 2009-06-09
    • Roger DavisMichael GrallAndrew Parker
    • Roger DavisMichael GrallAndrew Parker
    • H04R27/00
    • H04R27/00
    • A public address system including a wireless IR microphone for picking up a sound and converting it to an IR light signal including an audio signal representative of said sound and adapted for being transmitted to an IR sensor; an IR sensor including an IR photo detector for receiving said IR light signal and a first receiver for extracting said audio signal and a first transmitter transmitting it to a base station; a base station including a second receiver for receiving said audio signal from said IR sensor and a processor for processing said audio signal to provide a processed audio signal and a second transmitter transmitting it to a loud speaker; and a loud speaker unit for receiving said processed audio signal and converting it to a processed sound signal for being presented to an audience, wherein said IR sensor and loudspeaker unit are integrated into a sensor-speaker assembly.
    • 一种公共广播系统,包括用于拾取声音并将其转换成包括表示所述声音的音频信号的IR光信号并适于被传送到IR传感器的无线IR麦克风; IR传感器,其包括用于接收所述IR光信号的IR光电检测器和用于提取所述音频信号的第一接收器和将其发送到基站的第一发射器; 基站,包括用于从所述IR传感器接收所述音频信号的第二接收器和用于处理所述音频信号以提供经处理的音频信号的处理器,以及将其发送到扬声器的第二发射器; 以及扬声器单元,用于接收所述经处理的音频信号,并将其转换为被呈现给观众的处理声音信号,其中所述IR传感器和扬声器单元集成到传感器 - 扬声器组件中。
    • 4. 发明申请
    • Network performance monitoring in a content delivery system
    • 内容传送系统中的网络性能监控
    • US20100217801A1
    • 2010-08-26
    • US12776453
    • 2010-05-10
    • F. Thomson LeightonRizwan S. DhanidinaRobert D. KleinbergMatthew LevineDaniel M. LewinAndrew ParkerAdrian SovianiRavi Sundaram
    • F. Thomson LeightonRizwan S. DhanidinaRobert D. KleinbergMatthew LevineDaniel M. LewinAndrew ParkerAdrian SovianiRavi Sundaram
    • G06F15/16G06F15/173
    • H04L43/0876H04L29/12066H04L41/5058H04L41/509H04L61/1511H04L61/303H04L61/609H04L67/1002H04L67/18H04L67/289H04W4/02H04W4/04
    • A method for Internet content delivery in a content delivery network established at network locations, the content delivery network comprising a plurality of content servers for serving content resources. The plurality of content servers includes a plurality of subsets of content servers, each subject being located at one of a plurality of Internet data centers. For each Internet Protocol (IP) address block from which requests for content resources are expected to be received, the method generates a candidate list of Internet data centers to be used to service the requests for content resources. For the IP address block, the method selects at least one of the Internet data centers from the candidate list to be used to service the requests for content resources. The selected Internet data center for the IP address block is written into a network map. The selecting step is carried out concurrently for each IP address block from which requests for content resources are expected to be received such that the network map comprises the selected Internet data center for each IP address block. The network map is then provided to a domain name service (DNS) associated with the content delivery network. In response to a DNS query received at the domain name service associated with the content delivery network, the network map is used to identify one of the Internet data centers from the candidate list to be used to service a request for a content resource.
    • 一种用于在网络位置处建立的内容传送网络中的因特网内容传送的方法,所述内容传送网络包括用于服务内容资源的多个内容服务器。 多个内容服务器包括多个内容服务器子集,每个主题位于多个因特网数据中心之一。 对于期望从其接收对内容资源的请求的每个因特网协议(IP)地址块,该方法生成用于服务对内容资源的请求的因特网数据中心的候选列表。 对于IP地址块,该方法从候选列表中选择至少一个因特网数据中心来用于服务于内容资源的请求。 所选择的IP地址块的Internet数据中心被写入网络映射。 对于期望从其接收内容资源的请求的每个IP地址块同时执行选择步骤,使得网络映射包括用于每个IP地址块的所选择的因特网数据中心。 然后将网络地图提供给与内容传送网络相关联的域名服务(DNS)。 响应于在与内容传送网络相关联的域名服务处接收的DNS查询,网络地图用于从候选列表中识别要用于为内容资源的请求服务的候补列表中的一个。
    • 9. 发明申请
    • Electro-kinetic air transporter conditioner device with enhanced anti-microorganism capability and variable fan assist
    • 具有增强的抗微生物能力和可变风扇辅助功能的电动空气输送器调节装置
    • US20050183576A1
    • 2005-08-25
    • US11003035
    • 2004-12-03
    • Charles TaylorAndrew Parker
    • Charles TaylorAndrew Parker
    • B03C3/016B03C3/36
    • B03C3/32B03C3/363B03C3/365B03C3/366B03C3/68B03C2201/14B03C2201/28
    • An air transporter-conditioner device comprising: an elongated housing having a bottom, a top and an elongated side wall, the housing having an inlet located adjacent to the bottom and an outlet located adjacent to the elongated side wall; an emitter electrode and a collector electrode; a high voltage generator operably connected to both electrodes; an impeller to draw air into the housing through the inlet and direct the air along the elongated housing; and a baffle to direct air from the fan toward the outlet. The housing includes a second elongated side wall and the baffle includes a plurality of deflectors positioned along the second elongated side wall. The baffle includes a plurality of elongated columns of varying lengths, wherein each column includes a deflector. The device further comprises a second inlet located adjacent to the elongated side wall and a germicidal lamp located inside the elongated housing.
    • 一种空气输送器调节装置,包括:细长壳体,其具有底部,顶部和细长侧壁,所述壳体具有邻近底部定位的入口和邻近细长侧壁定位的出口; 发射电极和集电极; 可操作地连接到两个电极的高压发生器; 叶轮,通过入口将空气吸入壳体,并沿着细长的壳体引导空气; 以及用于将空气从风扇引导到出口的挡板。 壳体包括第二细长侧壁,并且挡板包括沿着第二细长侧壁定位的多个偏转器。 挡板包括多个不同长度的细长柱,其中每列包括导流板。 该装置还包括位于细长侧壁附近的第二入口和位于细长壳体内部的杀菌灯。