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    • 1. 发明授权
    • Fade-resistant forward error correction method for free-space optical communications systems
    • 自由空间光通信系统的防褪色前向纠错方法
    • US07277644B2
    • 2007-10-02
    • US10676450
    • 2003-09-30
    • Gary W. JohnsonFarid U. DowlaAnthony J. Ruggiero
    • Gary W. JohnsonFarid U. DowlaAnthony J. Ruggiero
    • H04B10/00
    • H04B10/1121H03M13/1515H03M13/47H03M13/6306H04J14/02H04L1/0041H04L1/0045
    • Free-space optical (FSO) laser communication systems offer exceptionally wide-bandwidth, secure connections between platforms that cannot other wise be connected via physical means such as optical fiber or cable. However, FSO links are subject to strong channel fading due to atmospheric turbulence and beam pointing errors, limiting practical performance and reliability. We have developed a fade-tolerant architecture based on forward error correcting codes (FECs) combined with delayed, redundant, sub-channels. This redundancy is made feasible though dense wavelength division multiplexing (WDM) and/or high-order M-ary modulation. Experiments and simulations show that error-free communications is feasible even when faced with fades that are tens of milliseconds long. We describe plans for practical implementation of a complete system operating at 2.5 Gbps.
    • 自由空间光学(FSO)激光通信系统在平台之间提供了非常宽的带宽,安全连接,无法通过诸如光纤或电缆的物理手段连接。 然而,FSO链路由于大气湍流和波束指向误差而受到强烈的信道衰落,限制了实际的性能和可靠性。 我们已经开发出一种基于前向纠错码(FEC)与延迟冗余子信道相结合的可逆容忍架构。 通过密集波分复用(WDM)和/或高阶M进制调制,这种冗余是可行的。 实验和仿真表明,即使面对几十毫秒的衰落,无差错通信也是可行的。 我们描述了实际运行2​​.5 Gbps系统的完整系统的计划。
    • 3. 发明授权
    • Method and system for controlling the position of a beam of light
    • 用于控制光束位置的方法和系统
    • US07994460B2
    • 2011-08-09
    • US12165425
    • 2008-06-30
    • Robert F. Steinkraus, Jr.Gary W. JohnsonAnthony J. Ruggiero
    • Robert F. Steinkraus, Jr.Gary W. JohnsonAnthony J. Ruggiero
    • G01C21/02
    • G05B13/024G02F2203/24H04B10/1121
    • An method and system for laser beam tracking and pointing is based on a conventional position sensing detector (PSD) or quadrant cell but with the use of amplitude-modulated light. A combination of logarithmic automatic gain control, filtering, and synchronous detection offers high angular precision with exceptional dynamic range and sensitivity, while maintaining wide bandwidth. Use of modulated light enables the tracking of multiple beams simultaneously through the use of different modulation frequencies. It also makes the system resistant to interfering light sources such as ambient light. Beam pointing is accomplished by feeding back errors in the measured beam position to a beam steering element, such as a steering mirror. Closed-loop tracking performance is superior to existing methods, especially under conditions of atmospheric scintillation.
    • 用于激光束跟踪和指向的方法和系统基于常规位置感测检测器(PSD)或象限单元,但是使用调幅光。 对数自动增益控制,滤波和同步检测的组合提供高角度精度,具有卓越的动态范围和灵敏度,同时保持宽带宽。 调制光的使用使得能够通过使用不同的调制频率同时跟踪多个光束。 它也使系统对干扰光源(如环境光)产生抗干扰。 光束指向是通过将测量的光束位置中的误差反馈到诸如转向镜的光束操纵元件来实现的。 闭环跟踪性能优于现有方法,特别是在大气闪烁的条件下。
    • 4. 发明申请
    • METHOD AND SYSTEM FOR LASER BEAM POINTING CONTROL
    • 激光束点控制方法与系统
    • US20090323163A1
    • 2009-12-31
    • US12165425
    • 2008-06-30
    • Robert F. Steinkraus, JR.Gary W. JohnsonAnthony J. Ruggiero
    • Robert F. Steinkraus, JR.Gary W. JohnsonAnthony J. Ruggiero
    • G02F1/01G01B11/14
    • G05B13/024G02F2203/24H04B10/1121
    • An method and system for laser beam tracking and pointing is based on a conventional position sensing detector (PSD) or quadrant cell but with the use of amplitude-modulated light. A combination of logarithmic automatic gain control, filtering, and synchronous detection offers high angular precision with exceptional dynamic range and sensitivity, while maintaining wide bandwidth. Use of modulated light enables the tracking of multiple beams simultaneously through the use of different modulation frequencies. It also makes the system resistant to interfering light sources such as ambient light. Beam pointing is accomplished by feeding back errors in the measured beam position to a beam steering element, such as a steering mirror. Closed-loop tracking performance is superior to existing methods, especially under conditions of atmospheric scintillation.
    • 用于激光束跟踪和指向的方法和系统基于常规位置感测检测器(PSD)或象限单元,但是使用调幅光。 对数自动增益控制,滤波和同步检测的组合提供高角度精度,具有卓越的动态范围和灵敏度,同时保持宽带宽。 调制光的使用使得能够通过使用不同的调制频率同时跟踪多个光束。 它也使系统对干扰光源(如环境光)产生抗干扰。 光束指向是通过将测量的光束位置中的误差反馈到诸如转向镜的光束操纵元件来实现的。 闭环跟踪性能优于现有方法,特别是在大气闪烁的条件下。
    • 6. 发明授权
    • Shower curtain support
    • 淋浴幕支撑
    • US5402842A
    • 1995-04-04
    • US166309
    • 1993-12-10
    • Anthony J. Ruggiero
    • Anthony J. Ruggiero
    • A47K3/38A47H1/00
    • A47K3/38Y10S160/06
    • A curtain corner support which is slidably supported on a curtain rod which spans an opening defined between vertical walls of an enclosure. The corner support positions an end portion of a curtain so that it is adjacent to one of the enclosure walls to prevent water, spray and/or light from escaping around the edges of the enclosure. The corner support consists of a body member which is supported by the curtain rod, a beam cantilevered from the body member which supports the end portion of the curtain, and a device for transferring the moment generated by the end portion of the curtain and the beam to the curtain rod to prevent the body member from rotating about the curtain rod. Wall attachments are affixed to at least one curtain rod end for transferring the torque from the curtain rod to at least one of the vertical walls of the enclosure to maintain the top edge of the curtain in an approximately horizontal plane.
    • 窗帘支撑件,其可滑动地支撑在窗帘杆上,窗帘杆跨过限定在外壳的垂直壁之间的开口。 角部支撑部位将窗帘的端部定位成使得其与一个外壳壁相邻,以防止水,喷雾和/或光从外壳边缘逸出。 拐角支撑件由主体部件组成,该主体部件由窗帘杆支撑,从主体部件悬臂支撑帘幕的端部的梁和用于传递由帘幕端部产生的力矩的装置和梁 到窗帘杆,以防止身体构件围绕窗帘杆旋转。 墙壁附件固定在至少一个窗帘杆端上,用于将转矩从窗帘杆转移到外壳的至少一个垂直壁,以将窗帘的顶部边缘保持在大致水平的平面内。
    • 9. 发明授权
    • Chemical micro-sensor
    • 化学微传感器
    • US06887359B2
    • 2005-05-03
    • US09877961
    • 2001-06-08
    • Anthony J. Ruggiero
    • Anthony J. Ruggiero
    • G01N31/20G01B9/02G01N21/45G01N27/447G01N30/26G01N30/60G01N30/74G01N37/00G01N27/453
    • G01N33/6842G01B9/0201G01B9/02051G01B9/0209G01N21/171G01N27/44721G01N30/6095G01N30/74G01N2021/458
    • An integrated optical capillary electrophoresis system for analyzing an analyte. A modulated optical pump beam impinges on an capillary containing the analyte/buffer solution which is separated by electrophoresis. The thermally-induced change in the index of refraction of light in said electrophoresis capillary is monitored using an integrated micro-interferometer. The interferometer includes a first interferometer arm intersecting the electrophoresis capillary proximate the excitation beam and a second, reference interferometer arm. Changes in index of refraction in the analyte measured by interrogating the interferometer state using white light interferometry and a phase-generated carrier demodulation technique. Background thermo-optical activity in the buffer solution is cancelled by splitting the pump beam and exciting pure buffer solution in a second section of capillary where it crosses the reference arm of the interferometer.
    • 用于分析分析物的集成光学毛细管电泳系统。 调制的光泵浦光束撞击含有通过电泳分离的分析物/缓冲溶液的毛细管。 使用集成的微干涉仪监测所述电泳毛细管中的光的折射率的热诱导变化。 干涉仪包括与激发束附近的电泳毛细管交叉的第一干涉仪臂和第二参考干涉仪臂。 通过使用白光干涉测量和相位生成载波解调技术询问干涉仪状态来测量分析物中的折射率的变化。 缓冲溶液中的背景热 - 光活性通过在其穿过干涉仪的参考臂的毛细管的第二部分中分裂泵浦光束和激发的纯缓冲溶液来消除。
    • 10. 发明授权
    • Shower curtain supports
    • 淋浴幕支架
    • US5170974A
    • 1992-12-15
    • US751100
    • 1991-08-28
    • Anthony J. Ruggiero
    • Anthony J. Ruggiero
    • A47K3/38
    • A47K3/38Y10S160/06
    • A shower curtain corner support which can be slidably attached to a standard shower curtain rod in order to support and extend a shower curtain around the side corner of a shower stall or bathtub is disclosed. This apparatus is used to seal the shower area to prevent water and spray from escaping around the edges of a standard shower curtain. This shower curtain corner support, which is attached to a standard shower curtain rod near a side wall, consists of a short narrow beam directed into the shower area from which is suspended a shower curtain or curtain liner which will form an approximately right angle corner barrier about the open side corner of the shower area. A counterweight is attached to an outward beam of the corner support apparatus to maintain it in a parallel relation to the floor when the curtain is attached.
    • 公开了一种可以滑动地附接到标准淋浴帘杆上的淋浴窗角支架,以便在淋浴间或浴缸的侧角附近支撑和延伸淋浴帘。 该装置用于密封淋浴区域,以防止水和喷雾在标准淋浴帘的边缘周围逸出。 这个连接在靠近侧壁的标准淋浴幕杆上的淋浴角支架由一个短的窄梁组成,它们指向淋浴区域,从中悬挂着一个将形成大致直角角挡板的淋浴帘或帘子衬垫 关于淋浴区的开放侧角。 平衡配件附接到角落支撑装置的向外的梁,以在安装窗帘时将配重保持在与地板平行的关系。