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    • 1. 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
    • US20050017711A1
    • 2005-01-27
    • US10839448
    • 2004-04-30
    • Stanley WoodardBryant Taylor
    • Stanley WoodardBryant Taylor
    • G01B7/02G01B7/14G01R27/32G01R33/02H03H20060101
    • 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。
    • 3. 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
    • US20070013371A1
    • 2007-01-18
    • US11421886
    • 2006-06-02
    • Stanley WoodardBryant Taylor
    • Stanley WoodardBryant 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。
    • 9. 发明申请
    • Wireless fluid level measuring system
    • 无线液位测量系统
    • US20060053880A1
    • 2006-03-16
    • US11229438
    • 2005-09-12
    • Bryant TaylorStanley Woodard
    • Bryant TaylorStanley Woodard
    • G01F23/26
    • G01F23/263G01F23/0069G01F23/265G01F23/266G01F23/268
    • A level-sensing probe positioned in a tank is divided into sections with each section including (i) a fluid-level capacitive sensor disposed along the length thereof, (ii) an inductor electrically coupled to the capacitive sensor, (iii) a sensor antenna positioned for inductive coupling to the inductor, and (iv) an electrical conductor coupled to the sensor antenna. An electrically non-conductive housing accessible from a position outside of the tank houses antennas arrayed in a pattern. Each antenna is electrically coupled to the electrical conductor from a corresponding one of the sections. A magnetic field response recorder has a measurement head with transceiving antennas arrayed therein to correspond to the pattern of the housing's antennas. When a measurement is to be taken, the measurement head is mechanically coupled to the housing so that each housing antenna is substantially aligned with a specific one of the transceiving antennas.
    • 定位在罐中的液位感测探头被分成几部分,每个部分包括(i)沿其长度设置的液面电容传感器,(ii)电耦合到电容传感器的电感器,(iii)传感器天线 定位用于感应耦合到电感器,以及(iv)耦合到传感器天线的电导体。 可从罐外部位置接近的非导电外壳容纳以图案排列的天线。 每个天线从相应的一个部分电耦合到电导体。 磁场响应记录器具有其中布置有收发天线的测量头,以对应于外壳天线的图案。 当要进行测量时,测量头机械耦合到壳体,使得每个壳体天线基本上与特定的一个收发天线对准。