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31. 发明授权

US06192754B1 Sensor system for measuring displacements 失效
标题翻译：用于测量位移的传感器系统
公开(公告)号：US06192754B1
公开(公告)日：2001-02-27
申请号：US09057811
申请日：1998-04-09
申请人： Robert Czarnek
发明人： Robert Czarnek
IPC分类号： G01F2338
CPC分类号： G01F23/68 , G01D5/2046 , G01F23/72 , Y10S73/05
摘要： A sensor system for measuring displacement includes a first member having a primary coil and a pair of secondary coils wound around a longitudinal axis thereof. The secondary coils have a periodically varying winding density distribution. The winding density distribution of one secondary coil is shifted relative to the winding density distribution of the other secondary coil. A second member positioned adjacent the first member modifies an electromagnetic field produced by the primary coil. In response to the modified electromagnetic field, the first and secondary coils produce first and second signals having amplitudes that vary periodically in response to relative movement between the first member and the second member.
摘要翻译：用于测量位移的传感器系统包括具有初级线圈和缠绕在其纵向轴线上的一对次级线圈的第一构件。次级线圈具有周期性变化的绕组密度分布。一个次级线圈的绕组密度分布相对于另一个次级线圈的绕组密度分布而偏移。定位在第一构件附近的第二构件修改由初级线圈产生的电磁场。响应于修改的电磁场，第一和第二线圈产生具有响应于第一构件和第二构件之间的相对运动而周期性变化的第一和第二信号。

32. 发明授权

US06192753B1 Inductive sensor for monitoring fluid level and displacement 失效
标题翻译：用于监测液位和位移的感应传感器
公开(公告)号：US06192753B1
公开(公告)日：2001-02-27
申请号：US09044300
申请日：1998-03-19
申请人： Robert Czarnek
发明人： Robert Czarnek
IPC分类号： G01F2338
CPC分类号： G01F23/68 , G01D5/2046 , G01F23/72 , Y10S73/05
摘要： A sensor system for measuring the level of a fluid includes a tube having a primary coil and a pair of secondary coils wound thereabout. The secondary coils have a periodically varying winding density distribution. The winding density distribution of one secondary coil is shifted relative to the winding density distribution of the other secondary coil. A float positioned adjacent the tube modifies an electromagnetic field produced by the primary coil. In response to the modified electromagnetic field, the first and secondary coils produce first and second signals having amplitudes that vary periodically in response to the movement of the float between the ends of the tube.
摘要翻译：用于测量流体水平的传感器系统包括具有一个初级线圈和一对绕在其上的次级线圈的管。次级线圈具有周期性变化的绕组密度分布。一个次级线圈的绕组密度分布相对于另一个次级线圈的绕组密度分布而偏移。位于管附近的浮子改变由初级线圈产生的电磁场。响应于修改的电磁场，第一和第二线圈产生具有响应于管的端部之间的浮子的移动而周期性变化的第一和第二信号。

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