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138 条记录 (耗时 0.028 秒)

    Charging mat for unmanned aircraft
    1.
    发明授权
    Charging mat for unmanned aircraft 有权

    公开(公告)号：US10418830B1

    公开(公告)日：2019-09-17

    申请号：US15711883

    申请日：2017-09-21

    申请人： Amazon Technologies, Inc.

    发明人： Carlos Guillermo Parodi ,  Benjamin Martin Schweitzer

    IPC分类号： H02J7/00 ,  B64C39/02 ,  G05D1/02 ,  H04B3/60 ,  H02J7/02

    摘要： Systems for landing and facilitating power flow or data transfer between an unmanned aerial vehicle (UAV) and a charging mat using a boom are described. The system includes a mat with a conductive mesh on the top and a conductive surface on the other bottom of the mat. The conductive mesh and bottom conductive surface are separated (electrically isolated) by an isolation core. The outer portion of the boom contacts part of the conductive mesh of the mat to create an electrical pathway. An inner portion of the boom penetrates through the top layer conductive mesh, through the isolating core, and contacts the bottom conductive surface of the mat to create another electrical pathway.

    Systems and methods for wireless communication using a wire-based medium
    2.
    发明授权
    Systems and methods for wireless communication using a wire-based medium 有权

    公开(公告)号：US10027374B1

    公开(公告)日：2018-07-17

    申请号：US15244306

    申请日：2016-08-23

    申请人： Roy Kinamon ,  Gal Zuckerman

    发明人： Roy Kinamon ,  Gal Zuckerman

    IPC分类号： H03K7/06 ,  H04L27/04 ,  H04L27/00 ,  H04B3/60 ,  H04W72/04 ,  H04W72/08

    摘要： Systems and methods for: (i) using spatial multiplexing to mitigate wire-based interferences, (ii) using spatial multiplexing in conjunction with a wire-based medium, (iii) re-using a plurality of streams associated with spatial multiplexing and transported over a wire-based medium, (iv) preventing a first wireless transmission from interfering with a second wireless transmission both transported over a wire-based medium, (v) covering wirelessly multiple spatial locations via a wire-based medium using grouping of streams associated with spatial multiplexing, (vi) achieving spatial-division-multiple-access via a wire-based medium by grouping of streams in conjunction with a plurality of spatial locations, (vii) using wireless frame aggregation to mitigate wire-based interferences, and (viii) transporting a plurality of streams associated with spatial multiplexing over a wire-based medium together with corresponding mixer signals.

    REDUCING SIGNAL IMPAIRMENTS IN COMMUNICATION NETWORKS VIA SELECTIVE FILTERING TECHNIQUES
    4.
    发明申请
    REDUCING SIGNAL IMPAIRMENTS IN COMMUNICATION NETWORKS VIA SELECTIVE FILTERING TECHNIQUES 有权

    公开(公告)号：US20170201332A1

    公开(公告)日：2017-07-13

    申请号：US14993224

    申请日：2016-01-12

    申请人： COX COMMUNICATIONS, INC.

    发明人： Jeffrey L. Finkelstein ,  John Civiletto

    IPC分类号： H04B15/02 ,  H04B3/60 ,  H04L12/26

    CPC分类号： H04B15/02 ,  H04B3/60 ,  H04L41/5009 ,  H04L43/16

    摘要： Certain embodiments herein relate to reducing impairments in signals transmitted over a service provider network. A selective filtering device may be placed at various locations in the service provider network to reduce the noise. For example, the devices may be located in, coupled to, or otherwise associated with a tap, an optical node, an amplifier, or other location in the service provider network that may be upstream from user devices at customer premises locations. The selective filtering device may be selective in the way that it may use various types of filtering techniques to eliminate or reduce the noise in a signal. Such techniques may be based on the power densities of carriers and noise in the signal, as well as information associated with scheduled communications in the service provider network.

    Radiation Hardened 10BASE-T Ethernet Physical Layer (PHY)
    5.
    发明申请
    Radiation Hardened 10BASE-T Ethernet Physical Layer (PHY) 有权
    辐射硬化10BASE-T以太网物理层（PHY）

    公开(公告)号：US20160248477A1

    公开(公告)日：2016-08-25

    申请号：US14855992

    申请日：2015-09-16

    申请人： U.S.A. as represented by the Adminstrator of the National Aeronautics and Space Administration

    发明人： MICHAEL R. LIN ,  DAVID J. PETRICK ,  KEVIN M. BALLOU ,  DANIEL C. ESPINOSA ,  EDWARD F. JAMES ,  MATTHEW A. KLIESNER

    IPC分类号： H04B3/54 ,  H03K19/177 ,  H04B3/60

    CPC分类号： H04B3/54 ,  H03K19/17744 ,  H04B3/60

    摘要： Embodiments may provide a radiation hardened 10BASE-T Ethernet interface circuit suitable for space flight and in compliance with the IEEE 802.3 standard for Ethernet. The various embodiments may provide a 10BASE-T Ethernet interface circuit, comprising a field programmable gate array (FPGA), a transmitter circuit connected to the FPGA, a receiver circuit connected to the FPGA, and a transformer connected to the transmitter circuit and the receiver circuit. In the various embodiments, the FPGA, transmitter circuit, receiver circuit, and transformer may be radiation hardened.

    摘要翻译： 实施例可以提供适用于空间飞行且符合IEEE 802.3以太网标准的辐射硬化10BASE-T以太网接口电路。 各种实施例可以提供10BASE-T以太网接口电路，其包括现场可编程门阵列（FPGA），连接到FPGA的发射机电路，连接到FPGA的接收机电路以及连接到发射机电路和接收机的变压器 电路。 在各种实施例中，FPGA，发射机电路，接收机电路和变压器可以被辐射硬化。

    RECEIVE ATTENUATION SYSTEM FOR TRAINLINE COMMUNICATION NETWORKS
    6.
    发明申请
    RECEIVE ATTENUATION SYSTEM FOR TRAINLINE COMMUNICATION NETWORKS 有权
    TRAINLINE通信网络接收衰减系统

    公开(公告)号：US20150055717A1

    公开(公告)日：2015-02-26

    申请号：US13974695

    申请日：2013-08-23

    申请人： Secure Communications Systems Inc. ,  Electro-Motive Diesel, Inc.

    发明人： Mark Alan FANARA ,  Neil Keith HABERMEHL

    IPC分类号： H04B3/60 ,  H03G3/20

    CPC分类号： H04B3/60 ,  H03G1/02 ,  H03G3/3005 ,  H04B3/02 ,  H04B3/54 ,  H04B2203/5425

    摘要： A receive attenuation system for a trainline communication system utilizing an intra-consist electrical cable has an analog front end amplifier, a trainline communication processor, an adjustable attenuator, and a gain controller. The trainline communication processor is configured to generate a receive gain control signal configured to control receive gain of the analog front end amplifier. The adjustable attenuator is capable of being coupled to the intra-consist electrical cable and configured to variably attenuate signals received from the intra-consist electrical cable before transmitting the signals to the analog front end amplifier. The gain controller is coupled to the adjustable attenuator and configured to detect the receive gain control signal generated by the trainline communication processor, determine a supplemental attenuation control value based on the detected receive gain control signal, and control the adjustable attenuator according to the supplemental attenuation control signal.

    摘要翻译： 用于使用组内电缆的列车通信系统的接收衰减系统具有模拟前端放大器，列车通信处理器，可调衰减器和增益控制器。 车线通信处理器被配置为产生被配置为控制模拟前端放大器的接收增益的接收增益控制信号。 可调衰减器能够耦合到组内电缆并且被配置为在将信号发送到模拟前端放大器之前可变地衰减从组内电缆接收的信号。 所述增益控制器耦合到所述可调衰减器并且被配置为检测由所述列车通信处理器产生的接收增益控制信号，基于所检测到的接收增益控制信号确定补充衰减控制值，并根据所述补充衰减来控制所述可调衰减器 控制信号。

    Distributed network repeater system
    7.
    发明授权
    Distributed network repeater system 有权
    分布式网络中继器系统

    公开(公告)号：US06973230B1

    公开(公告)日：2005-12-06

    申请号：US10453814

    申请日：2003-06-02

    申请人： Gordon Mackay

    发明人： Gordon Mackay

    IPC分类号： H04B3/60 ,  G02B6/28 ,  H04J14/02

    CPC分类号： H04B3/60 ,  Y10S439/955

    摘要： A repeater, useable for connecting switches in a data communication network, is provided in a distributed and/or modular fashion. The repeater includes a plurality of separate and distinct components or modules connected to or at least partially housed in, the various switches which the repeater modules couple. Preferably, the repeater autodetects and/or autoconfigures some or all aspects of repeater operations, such as detecting and/or configuring appropriate full/half-duplex mode operation or detecting and/or configuring in response to appropriate or approved cable-type connections. The distributed and/or modular repeater facilitates accommodating various switching or repeater needs as a network grows or contracts.

    摘要翻译： 可以以分布式和/或模块化的方式提供用于连接数据通信网络中的交换机的中继器。 中继器包括连接到或至少部分地容纳在中继器模块耦合的各种开关中的多个单独且不同的组件或模块。 优选地，中继器自动检测和/或自动配置中继器操作的一些或所有方面，诸如检测和/或配置适当的全/半双工模式操作，或者响应于适当或已批准的电缆类型连接来检测和/或配置。 分布式和/或模块式中继器有助于随着网络的增长或收缩而适应各种切换或中继器的需求。

    Apparatus for transmitting digital signals across a rotary gap
    10.
    发明授权
    Apparatus for transmitting digital signals across a rotary gap 失效
    用于在旋转间隙上传输数字信号的装置

    公开(公告)号：US4598325A

    公开(公告)日：1986-07-01

    申请号：US738862

    申请日：1985-05-29

    申请人： Richard J. Tarzaiski

    发明人： Richard J. Tarzaiski

    IPC分类号： G11B5/09 ,  G11B5/53 ,  G11B20/10 ,  H04B3/60 ,  H04B5/00 ,  G11B5/02 ,  G11B15/14

    CPC分类号： H04B3/60 ,  G11B20/10 ,  G11B5/09 ,  G11B5/53 ,  H04B5/00 ,  H04B5/0012 ,  H04B5/0093

    摘要： An apparatus is disclosed for coupling digital signals across a rotary mechanical gap as, for example, in a helical scan optical or magnetic tape recording/playback system where it is required to couple digital signals having a wide range of pulse widths between the stationary portion of the system and the rotating headwheel. The apparatus includes a rotary transformer comprising inductively-coupled first and second coils located, respectively, in the stationary and rotating portions. A capacitor positioned between the signal source and the primary winding of the rotary transformer converts the pulsed digital signals from the source into signals of changing current so that pulses of variable widths are efficiently coupled through the transformer. In this way, digital pulses having width ratios of approximately five-to-one can be transmitted across the gap.

    摘要翻译： 公开了一种用于通过旋转机械间隙耦合数字信号的装置，例如在螺旋扫描光学或磁带记录/重放系统中，其中需要将具有宽范围的脉冲宽度的数字信号耦合在 系统和旋转头轮。 该装置包括旋转变压器，其包括分别位于固定和旋转部分中的感应耦合的第一和第二线圈。 位于信号源和旋转变压器的初级绕组之间的电容器将来自源的脉冲数字信号转换为变化电流的信号，使得可变宽度的脉冲通过变压器有效耦合。 以这种方式，可以跨越间隙传输具有大约五对一的宽度比的数字脉冲。