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    • 22. 发明授权
    • Apparatus for enhancing impedance-matching in a high-speed data communications system
    • 用于增强高速数据通信系统中的阻抗匹配的装置
    • US07204648B2
    • 2007-04-17
    • US10285772
    • 2002-11-01
    • Lewis B. Aronson
    • Lewis B. Aronson
    • G02B6/42H01P3/08H01R12/18
    • H05K1/117G02B6/43H01R12/721H01R13/6585H05K1/0216H05K2201/0373H05K2201/093H05K2201/094H05K2201/09681H05K2201/09727
    • An impedance-matching electrical connection system, for use with high-frequency communication signals, includes a circuit board and a plurality of contact pads mounted on the circuit board. The contact pads are for coupling with a plurality of complementary connectors of an external electrical device. Each coupling is associated with an excess shunt capacitance. The electrical connection system further includes a plurality of inductive traces mounted on the circuit board, each of which is connected to a respective contact pad, and is associated with a compensating series inductance. Additionally, the electrical connection system includes a plurality of signal lines mounted on the circuit board, each of which is connected to a respective inductive trace. Each inductive trace is configured so that its associated compensating series inductance substantially offsets the excess shunt capacitance associated with the coupling between the contact pad connected to the inductive trace and a complementary connector.
    • 用于高频通信信号的阻抗匹配电连接系统包括电路板和安装在电路板上的多个接触焊盘。 接触垫用于与外部电气设备的多个互补连接器耦合。 每个耦合与多余的并联电容相关联。 电连接系统还包括安装在电路板上的多个感应迹线,每个感应迹线连接到相应的接触焊盘,并与补偿串联电感相关联。 此外,电连接系统包括安装在电路板上的多条信号线,每条信号线连接到相应的电感迹线上。 每个电感迹线配置成使得其相关联的补偿串联电感基本上抵消与连接到电感迹线的接触焊盘和互补连接器之间的耦合相关联的多余分流电容。
    • 24. 发明授权
    • System and method for protecting eye safety during operation of a fiber optic transceiver
    • 用于在光纤收发器操作期间保护眼睛安全的系统和方法
    • US07162160B2
    • 2007-01-09
    • US11077280
    • 2005-03-09
    • Lewis B. AronsonLucy G. Hosking
    • Lewis B. AronsonLucy G. Hosking
    • H04B10/00
    • H04B10/40G01M11/00G01M11/30G01M99/002H04B10/07H04B10/0799H04B2210/08
    • A single-chip integrated circuit, sometimes called a controller, controls operation of a transceiver having a laser transmitter and a photodiode receiver. The controller includes memory for storing information related to the transceiver, and analog to digital conversion circuitry for receiving a plurality of analog signals from the laser transmitter and photodiode receiver, converting the received analog signals into digital values, and storing the digital values in predefined locations within the memory. Comparison logic compares one or more of these digital values with predetermined setpoints, generates flag values based on the comparisons, and stores the flag values in predefined locations within the memory. Control circuitry in the controller shuts off the laser transmitter in response to comparisons of signals with predetermined setpoints that indicate potential eye safety hazards.
    • 有时称为控制器的单芯片集成电路控制具有激光发射器和光电二极管接收器的收发器的操作。 控制器包括用于存储与收发器相关的信息的存储器,以及用于从激光发射器和光电二极管接收器接收多个模拟信号的模数转换电路,将接收到的模拟信号转换为数字值,并将数字值存储在预定位置 在记忆中 比较逻辑将这些数字值中的一个或多个与预定设定值进行比较,基于比较生成标志值,并将标志值存储在存储器内的预定位置中。 控制器中的控制电路关闭激光发射器,以响应信号与预先确定的潜在眼睛安全隐患的设定点的比较。
    • 26. 发明授权
    • Transmitter optical sub-assembly with eye safety
    • 发射机光学子组件,眼睛安全
    • US07065106B2
    • 2006-06-20
    • US11070756
    • 2005-03-02
    • Lewis B. Aronson
    • Lewis B. Aronson
    • H01S3/10
    • G02B6/4206G02B2006/4297H01S5/005H01S5/02212H01S5/02284
    • A transmitter optical subassembly includes an optical emitter and a fiber receptacle within which an optical fiber is received. An optical limiting element is positioned between the optical emitter and the fiber receptacle. When an optical signal is emitted from the optical emitter, the optical signal passes through the optical limiting element before the optical signal reaches the fiber receptacle and is received by the optical fiber. The optical limiting element has a property such that if the power of the optical signal entering the optical limiting element exceeds a predetermined limit, the power of the optical signal is optically attenuated so that the power of the optical signal exiting the optical limiting element remains below a predetermined limit.
    • 发射机光学子组件包括光发射器和光纤插座,光纤在其中被接收。 光学限制元件位于光发射器和光纤插座之间。 当光信号从光发射器发射时,光信号在光信号到达光纤插座之前通过光限制元件并由光纤接收。 光限制元件具有使得如果进入光限制元件的光信号的功率超过预定极限,则光信号的功率被光学衰减,使得离开光限制元件的光信号的功率保持在低于 一个预定的限制。
    • 29. 发明授权
    • Optical waveguide device for wavelength demultiplexing and waveguide
crossing
    • 用于波长解复用和波导交叉的光波导器件
    • US5894535A
    • 1999-04-13
    • US852368
    • 1997-05-07
    • Brian E. LemoffLewis B. Aronson
    • Brian E. LemoffLewis B. Aronson
    • G02B6/12G02B6/122G02B6/125G02B6/34G02B6/42G02B6/26
    • G02B6/29367G02B6/125G02B6/2938G02B6/4246G02B2006/12195G02B6/4204G02B6/4214
    • A zigzag waveguide device is described that includes at least two optical waveguides converged at a vertex to form a waveguide overlap region. Optical loss in the waveguide overlap region is minimized by including a narrow gap of lower refractive index between the overlap region and each waveguide. This technique is also applied to minimize loss in a region where two optical waveguides cross one another. A mirror or optical filter reflectively couples the two waveguides at the vertex. When the coupling is provided by an optical filter, some range of wavelengths is transmitted out of the zigzag waveguide device, rather than reflected. The transmitted light may be collected by an output waveguide which is wider than the waveguides to minimize loss due to divergence. Light exiting the device may be coupled directly to a photodetector with no intervening optical fiber. In addition, the width of an input waveguide of the zigzag waveguide device is tapered to reduce angular spread of the light in the zigzag device.
    • 描述了一种锯齿状波导器件,其包括在顶点会聚的至少两个光波导,以形成波导重叠区域。 通过在重叠区域和每个波导之间包括较低折射率的窄间隙,使波导重叠区域中的光学损耗最小化。 该技术也被应用于使两个光波导彼此交叉的区域中的损耗最小化。 反射镜或滤光器在顶点反射耦合两个波导。 当耦合由滤光器提供时,一些波长范围从锯齿形波导器件传出,而不是被反射。 透射光可以由比波导更宽的输出波导收集,以最小化由于发散引起的损耗。 离开器件的光可以直接耦合到没有中间光纤的光电检测器。 此外,之字形波导器件的输入波导的宽度是锥形的,以减少光在锯齿形器件中的角度扩展。
    • 30. 发明授权
    • Eye safety and interoperability of active cable devices
    • 有源电缆设备的眼睛安全性和互操作性
    • US08526810B2
    • 2013-09-03
    • US12112214
    • 2008-04-30
    • Christopher R. ColeLewis B. AronsonDarin James Douma
    • Christopher R. ColeLewis B. AronsonDarin James Douma
    • H04B17/00
    • H04B10/0775G02B6/4284G02B2006/4297H04B2210/08
    • An integrated cable configured to communicate over much of its length using one or more optical fibers includes an electrical connector at least one end. The electrical connector at a first end of the integrated cable and an optoelectronic device coupled to or included in the other end of the integrated cable may utilize a bidirectional status link to transmit status data to each other. If the status data indicates that optical signals transmitted over the optical channels between the two devices are not potentially exposed to view, the two devices may operate above nominal eye safety limits. Otherwise, the two devices may operate at or below nominal eye safety limits. If the second optoelectronic device is not status-link enabled, the first optoelectronic device may operate at or below nominal eye safety limits.
    • 配置成使用一根或多根光纤在其大部分长度上通信的集成电缆包括至少一端的电连接器。 集成电缆的第一端处的电连接器和耦合到集成电缆的另一端的光电子器件可利用双向状态链路将状态数据彼此传输。 如果状态数据指示在两个装置之间的光通道上传输的光信号不可能暴露于视野,则两个装置可以在超过额定眼睛安全限度的情况下运行。 否则,两个设备可能在或低于额定眼睛安全限度下运行。 如果第二光电子器件没有启用状态链路,则第一光电子器件可以在或低于标称眼睛安全限度下操作。