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    • 27. 发明授权
    • Magnetic field response sensor for conductive media
    • 用于导电介质的磁场响应传感器
    • US07759932B2
    • 2010-07-20
    • US12533520
    • 2009-07-31
    • Stanley E. WoodardBryant Douglas Taylor
    • Stanley E. WoodardBryant Douglas Taylor
    • G01R33/02G01B7/14
    • G01L1/14
    • A magnetic field response sensor comprises an inductor placed at a fixed separation distance from a conductive surface to address the low RF transmissivity of conductive surfaces. The minimum distance for separation is determined by the sensor response. The inductor should be separated from the conductive surface so that the response amplitude exceeds noise level by a recommended 10 dB. An embodiment for closed cavity measurements comprises a capacitor internal to said cavity and an inductor mounted external to the cavity and at a fixed distance from the cavity's wall. An additional embodiment includes a closed cavity configuration wherein multiple sensors and corresponding antenna are positioned inside the cavity, with the antenna and inductors maintained at a fixed distance from the cavity's wall.
    • 磁场响应传感器包括设置在与导电表面固定间隔距离处的电感器,以解决导电表面的低RF透射率。 分离的最小距离由传感器响应决定。 电感应与导电表面分离,使得响应幅度超过噪声电平推荐的10 dB。 用于闭合腔测量的实施例包括在所述空腔内部的电容器和安装在空腔外部且距空腔壁的固定距离处的电感器。 另外的实施例包括封闭的腔体结构,其中多个传感器和相应的天线位于空腔内部,天线和电感器保持在离空腔壁的固定距离处。
    • 28. 发明申请
    • Magnetic Field Response Sensor For Conductive Media
    • 用于导电介质的磁场响应传感器
    • US20090315546A1
    • 2009-12-24
    • US12533520
    • 2009-07-31
    • Stanley E. WoodardBryant Douglas Taylor
    • Stanley E. WoodardBryant Douglas Taylor
    • G01R33/12
    • G01L1/14
    • A magnetic field response sensor comprises an inductor placed at a fixed separation distance from a conductive surface to address the low RF transmissivity of conductive surfaces. The minimum distance for separation is determined by the sensor response. The inductor should be separated from the conductive surface so that the response amplitude exceeds noise level by a recommended 10 dB. An embodiment for closed cavity measurements comprises a capacitor internal to said cavity and an inductor mounted external to the cavity and at a fixed distance from the cavity's wall. An additional embodiment includes a closed cavity configuration wherein multiple sensors and corresponding antenna are positioned inside the cavity, with the antenna and inductors maintained at a fixed distance from the cavity's wall.
    • 磁场响应传感器包括设置在与导电表面固定间隔距离处的电感器,以解决导电表面的低RF透射率。 分离的最小距离由传感器响应决定。 电感应与导电表面分离,使得响应幅度超过噪声电平推荐的10 dB。 用于闭合腔测量的实施例包括在所述空腔内部的电容器和安装在空腔外部且距空腔壁的固定距离处的电感器。 另外的实施例包括封闭的腔体结构,其中多个传感器和相应的天线位于空腔内部,天线和电感器保持在离空腔壁的固定距离处。
    • 29. 发明申请
    • Wireless Damage Location Sensing System
    • 无线损伤位置传感系统
    • US20090109005A1
    • 2009-04-30
    • US12253422
    • 2008-10-17
    • Stanley E. WoodardBryant Douglas Taylor
    • Stanley E. WoodardBryant Douglas Taylor
    • H04Q5/22
    • G01R33/028G01N27/9046
    • A wireless damage location sensing system uses a geometric-patterned wireless sensor that resonates in the presence of a time-varying magnetic field to generate a harmonic response that will experience a change when the sensor experiences a change in its geometric pattern. The sensing system also includes a magnetic field response recorder for wirelessly transmitting the time-varying magnetic field and for wirelessly detecting the harmonic response. The sensing system compares the actual harmonic response to a plurality of predetermined harmonic responses. Each predetermined harmonic response is associated with a severing of the sensor at a corresponding known location thereof so that a match between the actual harmonic response and one of the predetermined harmonic responses defines the known location of the severing that is associated therewith.
    • 无线损坏位置感测系统使用几何图案化的无线传感器,其在存在时变磁场的情况下谐振,以产生当传感器经历其几何图案的变化时将经历变化的谐波响应。 感测系统还包括用于无线传输时变磁场和无线检测谐波响应的磁场响应记录器。 感测系统将实际谐波响应与多个预定谐波响应进行比较。 每个预定的谐波响应与在其对应的已知位置处的传感器的切断相关联,使得实际谐波响应与预定谐波响应中的一个之间的匹配定义了与之相关联的切断的已知位置。