SYSTEM AND METHOD FOR OPTICAL LOCOMOTIVE DECOUPLING DETECTION
    4.
    发明申请
    SYSTEM AND METHOD FOR OPTICAL LOCOMOTIVE DECOUPLING DETECTION 审中-公开
    光学去磁检测系统与方法

    公开(公告)号:US20100148013A1

    公开(公告)日:2010-06-17

    申请号:US12638123

    申请日:2009-12-15

    IPC分类号: B61L23/00

    CPC分类号: B61L15/0054 B61G7/14 B61J3/00

    摘要: An apparatus and method for indicating whether a coupler of a locomotive is in a coupled or uncoupled state is provided. The apparatus comprising: an optical sensor positioned on a portion of the coupler, wherein the sensor provides a real-time signal indicative of either a coupled or an uncoupled state of a coupler, wherein the signal is transmitted wirelessly by a transmitter in operable communication with the sensor. The method comprising: providing a signal indicative of the presence or proximity of a second coupler to the first coupler, the signal being provided by an optical sensor configured to provide the signal as the state of the coupler has changed; transmitting the signal wirelessly to a controller; processing the signal with a control algorithm resident upon the controller; and providing visually perceivable indication of the position of the coupler.

    摘要翻译: 提供一种用于指示机车的耦合器是否处于耦合或非耦合状态的装置和方法。 所述装置包括:位于所述耦合器的一部分上的光学传感器,其中所述传感器提供指示耦合器的耦合或非耦合状态的实时信号,其中所述信号由与所述耦合器可操作地通信的发射机无线地传输, 传感器。 该方法包括:提供指示第二耦合器到第一耦合器的存在或接近的信号,所述信号由配置成随着耦合器的状态改变而提供信号的光学传感器提供; 将信号无线地发送到控制器; 用驻留在控制器上的控制算法处理信号; 并且提供耦合器的位置的视觉上可感知的指示。

    Method and apparatus for inducing ultrasonic waves into railroad rails
    6.
    发明授权
    Method and apparatus for inducing ultrasonic waves into railroad rails 有权
    将超声波引入轨道轨道的方法和装置

    公开(公告)号:US06742392B2

    公开(公告)日:2004-06-01

    申请号:US10283424

    申请日:2002-10-29

    IPC分类号: G01N2904

    摘要: A method and apparatus for nondestructive testing a railroad rail is provided. The method includes locating at least one magnetic exciter adjacent to the rail, the at least one magnetic exciter includes an emitting end and a longitudinal axis extending perpendicularly through the emitting end, discharging the energy storage circuit through the at least one magnetic exciter such that only a magnetic pulse enters the rail at a location of the exciter, and controlling a shape of the magnetic pulse. The apparatus includes at least one magnetic exciter adjacent to a rail, a energy storage circuit electrically coupled to the at least one magnetic exciter the energy storage circuit is configured to supply a shaped current pulse to the at least one exciter, and a power source electrically coupled to the energy storage circuit.

    摘要翻译: 提供了一种铁路轨道非破坏性测试方法和装置。 该方法包括定位至少一个与轨道相邻的磁激励器,所述至少一个磁激励器包括发射端和垂直延伸穿过发射端的纵向轴线,通过至少一个励磁器将能量存储电路放电,使得只有 磁脉冲在励磁机的位置进入导轨,并控制磁脉冲的形状。 所述设备包括至少一个与轨道相邻的磁激励器,电耦合到所述至少一个励磁机的能量存储电路,所述能量存储电路被配置为向所述至少一个励磁机提供成形的电流脉冲,以及电源 耦合到能量存储电路。

    Use of wideband DTV overlay signals for brevity signaling and public safety
    7.
    发明授权
    Use of wideband DTV overlay signals for brevity signaling and public safety 有权
    使用宽带数字电视覆盖信号进行简洁信号和公共安全

    公开(公告)号:US06498627B1

    公开(公告)日:2002-12-24

    申请号:US09422441

    申请日:1999-10-21

    IPC分类号: H04N521

    摘要: A brevity signaling module for a digital television (DTV) receiver enables the reception of emergency broadcast messages. The overlay signal received at the receiver front end is squared in a squaring loop, producing spectral lines at DC and twice the overlay signal frequency, or 2&ohgr;, where &ohgr;=2&pgr;f and f is the center frequency of the overlay signal. The squared signal is passed through a narrow band filter having a bandwidth sufficient to pass a spectrum containing a plurality of tones 2&ohgr;, 2&ohgr;1, 2&ohgr;2, . . . , 2&ohgr;n, where 2&ohgr;1, 22, . . . , 2&ohgr;n are different frequency tones assigned to different auxiliary functions. The detected tone is used by a control module to determine whether normal multipath processing should be performed or whether this processing should be suppressed and auxiliary functions performed, including turning on the DTV receiver power in order that an emergency broadcast message might be conveyed to persons in the vicinity of the DTV receiver.

    摘要翻译: 用于数字电视(DTV)接收机的简洁信号模块能够接收紧急广播消息。 在接收机前端接收的覆盖信号在平方环中平方,产生DC和两倍叠加信号频率的频谱线,或2omega,其中ω= 2pif,f是叠加信号的中心频率。 平方信号通过具有足以通过包含多个音调2omega,2omega1,2omega2的频谱的带宽的窄带滤波器。 。 。 ,2omegan,其中2omega1,22。 。 。 ,2omegan是分配给不同辅助功能的不同频率音调。 检测到的音调由控制模块用于确定是否应执行正常的多路径处理,还是应该抑制该处理和执行辅助功能,包括接通DTV接收机的功率,以便将紧急广播消息传送给 DTV接收机附近。

    Three-dimensional channel sounder for DTV receivers
    8.
    发明授权
    Three-dimensional channel sounder for DTV receivers 有权
    用于DTV接收机的三维通道发声器

    公开(公告)号:US06417805B1

    公开(公告)日:2002-07-09

    申请号:US09422443

    申请日:1999-10-21

    IPC分类号: G01S302

    摘要: A digital television (DTV) receiver is provided with a sounder comprising a wideband transmitter and a plurality of wideband receivers having separately located receiving antennas, so that the sounder is, in effect, a bistatic radar system for any given channel, in order to characterize a significant nearby, indoor reflector. A microprocessor receives the timing information generated by the wideband transmitter impulses and the reflected impulse returns to each of the receiving antennas, and calculates a multipath model representing the three-dimensional location of a significant, nearby scatterer.

    摘要翻译: 数字电视(DTV)接收机设置有包括宽带发射机和具有单独定位的接收天线的多个宽带接收机的发声器,使得发声器实际上是用于任何给定信道的双基地雷达系统,以便表征 一个重要的附近的室内反射器。 微处理器接收由宽带发射机脉冲产生的定时信息,并且反射的脉冲返回到每个接收天线,并且计算表示重要的附近散射体的三维位置的多径模型。

    Use of mutter mode in asset tracking for gathering data from cargo
sensors
    10.
    发明授权
    Use of mutter mode in asset tracking for gathering data from cargo sensors 失效
    在资产跟踪中使用嘟嘟模式从货物传感器收集数据

    公开(公告)号:US5686888A

    公开(公告)日:1997-11-11

    申请号:US484753

    申请日:1995-06-07

    摘要: The condition and/or integrity of goods is monitored while in transit using a local area network of tracked assets. Autonomous electronic sensors are situated in proximity to the cargo being shipped. These sensors communicate with an asset tracking unit affixed to the container for the goods via a mutter mode transceiver. The tracking unit has the ability to relay the cargo sensor data to the central station on demand, on exception, or on a predetermined schedule established by the central station. Communication between the cargo sensors and the tracking unit may be one-way (i.e., sensor to tracking unit) or two-way. Multiple sensors may communicate with each tracking unit.

    摘要翻译: 货物的条件和/或完整性在使用跟踪资产的局域网在运输过程中进行监控。 自动电子传感器位于运送货物附近。 这些传感器通过嘟嘟模式收发器与货物固定在容器上的资产跟踪单元进行通信。 跟踪单元能够根据需要,例如或按照由中心站建立的预定时间表将货物传感器数据中继到中心站。 货物传感器和跟踪单元之间的通信可以是单向的(即,传感器到跟踪单元)或双向的。 多个传感器可以与每个跟踪单元进行通信。