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    • 41. 发明授权
    • Transceiver module with PCB having embedded traces for EMI control
    • 带PCB的收发器模块具有用于EMI控制的嵌入式走线
    • US07286372B2
    • 2007-10-23
    • US10831600
    • 2004-04-23
    • Lewis B. AronsonDonald A. Ice
    • Lewis B. AronsonDonald A. Ice
    • H05K9/00
    • H05K9/0058G02B6/4201G02B6/4256G02B6/4277G02B6/428G02B6/4284H05K1/0224H05K2201/0723
    • A PCB is provided that is suitable for use in applications where EMI control is of interest. The PCB includes circuitry that communicates with an edge connector having edge traces located on its surface. Additionally, embedded traces are disposed within the dielectric material of the PCB, and each embedded trace electrically connects an edge trace with a corresponding median trace located on a surface of the PCB. An embedded ground layer substantially disposed within the dielectric material defines an area within the dielectric material through which the embedded traces pass. Finally, one or more vias are provided that extend through the dielectric material of the PCB and are filled with a conductive material. The vias are electrically connected to the embedded ground layer and configured to electrically communicate with an associated module. In this way, a structure is implemented that facilitates control of electromagnetic radiation emitted by the PCB circuitry.
    • 提供了适用于EMI控制感兴趣的应用中的PCB。 PCB包括与具有位于其表面上的边缘迹线的边缘连接器通信的电路。 此外,嵌入迹线设置在PCB的电介质材料内,并且每个嵌入迹线将边缘迹线与位于PCB表面上的对应的中间迹线电连接。 基本上设置在介电材料内的嵌入式接地层限定了电介质材料内的嵌入迹线经过的区域。 最后,提供一个或多个通孔,其延伸穿过PCB的电介质材料并且填充有导电材料。 通孔电连接到嵌入式接地层并且被配置为与相关联的模块电连通。 以这种方式,实现了便于控制由PCB电路发射的电磁辐射的结构。
    • 44. 发明授权
    • Optical transceiver with memory mapped locations
    • 具有存储器映射位置的光收发器
    • US06957021B2
    • 2005-10-18
    • US10713685
    • 2003-11-13
    • Lewis B. AronsonStephen G. Hosking
    • Lewis B. AronsonStephen G. Hosking
    • G01M11/00G01M99/00H01S5/042H01S5/068H04B10/40H04B10/00
    • H04B10/40G01M11/00G01M11/30G01M99/002H04B10/07H04B10/0799H04B2210/08
    • A controller for controlling 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 limit values, generates flag values based on the comparisons, and stores the flag values in predefined locations within the memory. Control circuitry in the controller controls the operation of the laser transmitter in accordance with one or more values stored in the memory. A serial interface is provided to enable a host device to read from and write to locations within the memory. Excluding a small number of binary input and output signals, all control and monitoring functions of the transceiver are mapped to unique memory mapped locations within the controller. A plurality of the control functions and a plurality of the monitoring functions of the controller are exercised by a host computer by accessing corresponding memory mapped locations within the controller.
    • 一种用于控制具有激光发射器和光电二极管接收器的收发器的控制器。 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限制值进行比较,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根据存储在存储器中的一个或多个值控制激光发射器的操作。 提供串行接口以使得主机设备能够从存储器内的位置读取和写入。 排除少量二进制输入和输出信号,收发器的所有控制和监视功能都映射到控制器内唯一的内存映射位置。 控制器的多个控制功能和多个监视功能由主机通过访问控制器内的对应存储器映射位置来执行。
    • 45. 发明授权
    • Offset rotated transducers for acousto-optical tunable filters
    • 用于声光可调滤波器的偏移旋转传感器
    • US5652809A
    • 1997-07-29
    • US625614
    • 1996-03-29
    • Lewis B. Aronson
    • Lewis B. Aronson
    • G02F1/125G02F1/00
    • G02F1/125
    • An acousto-optical filter (AOTF) having reduced sidelobes. The AOTF is fabricated with a waveguide formed on a substrate along an optical axis. An incoming beam of light is coupled into the waveguide. An acoustic wave beam is induced by an interdigitated transducer. The acoustic wave beam follows an acoustic wave beam axis which crosses the optical axis. The transducer is driven by an externally-generated electric signal. The frequency of the acoustic wave beam is determined by the frequency of the electric signal. The acoustic wave beam induces a diffraction grating in the waveguide as the acoustic wave beam crosses the optical axis, and this in turn diffracts the beam of light. The grating couples the transverse electric and transverse magnetic polarization modes of the light, but only within a narrow band of optical wavelengths. The cross-section of the intensity of the acoustic wave beam can be tapered to further reduce the sidelobes of the passband defined by the frequency of surface acoustic wave beam.
    • 具有减少旁瓣的声光滤波器(AOTF)。 AOTF用沿着光轴的基板上形成的波导制造。 入射光束耦合到波导中。 声波波束是由交叉换能器引起的。 声波波束遵循穿过光轴的声波波束轴。 传感器由外部产生的电信号驱动。 声波的频率由电信号的频率决定。 当声波束与光轴交叉时,声波束在波导中引起衍射光栅,这又导致光束的衍射。 光栅耦合光的横向电和横向磁极化模式,但仅在光波长的窄带内。 声波束的强度的横截面可以是锥形的,以进一步减少由声表面波束的频率限定的通带的旁瓣。
    • 46. 发明授权
    • Redundancy and interoperability in multi-channel optoelectronic devices
    • 多通道光电器件的冗余和互操作性
    • US08861952B2
    • 2014-10-14
    • US12039589
    • 2008-02-28
    • Christopher R. ColeLewis B. AronsonDarin James Douma
    • Christopher R. ColeLewis B. AronsonDarin James Douma
    • H04B10/00H04B10/032H04J14/02
    • H04B10/032H04B10/0793H04B10/0795H04J14/02
    • A multi-channel optoelectronic device is configured to establish a redundant status link with a remote device. The optoelectronic device can transmit N transmit optical signals to the remote device over a plurality of transmit channels and receive N receive optical signals from the remote device over a plurality of receive channels. The optoelectronic device includes one or more spare transmit and receive channels. When used with a remote device having spare transmit and receive channels, each device can establish a status link with the other and use the status link to switch out transmit and/or receive channels to identify and permanently switch out the worst transmit and/or receive channels. Alternately, the device can interoperate with a non-status-link enabled remote device by determining that the remote device is not status-link enabled, transitioning to a low transmit power mode, and transmitting and receiving over a plurality of default transmit and receive channels.
    • 多通道光电器件被配置为与远程设备建立冗余状态链路。 光电子器件可以通过多个发射信道向远程设备发射N个发射光信号,并通过多个接收信道从远程设备接收N个接收光信号。 光电器件包括一个或多个备用发送和接收通道。 当与具有备用发送和接收信道的远程设备一起使用时,每个设备可以建立与另一个的状态链路,并且使用状态链路切换发送和/或接收信道以识别并永久地切换最差的发送和/或接收 频道 或者,设备可以通过确定远程设备不是启用状态链路,转换到低发射功率模式以及通过多个默认发射和接收信道进行发射和接收来与支持非状态链路的远程设备互操作 。