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1. 发明授权

US08970208B2 Displacement measurement system and method using magnetic encodings 有权
标题翻译：位移测量系统和使用磁编码的方法
公开(公告)号：US08970208B2
公开(公告)日：2015-03-03
申请号：US13024778
申请日：2011-02-10
申请人： Kurt D. Fulkerson , Donald C. Arns, Jr. , Paolo G. Sechi
发明人： Kurt D. Fulkerson , Donald C. Arns, Jr. , Paolo G. Sechi
IPC分类号： G01B7/30 , G01P3/487 , G01L3/10
CPC分类号： G01P3/487 , G01L3/104 , G01L3/109
摘要： A measurement system includes a rotating member configured to transfer mechanical energy to a point of use. The member has at a surface thereof one or more circumferentially oriented bands of magnetizable material. Each band has a magnetic pattern comprised of a plurality of transitions magnetically recorded in the magnetizable material of that band. A magnetic-field sensor is disposed sufficiently near each band of magnetizable material to sense a magnetic pattern recorded in that band as the member rotates. Each magnetic-field sensor generates signals in response to the magnetic pattern sensed by that magnetic-field sensor. Processing electronics is in communication with each magnetic-field sensor to receive the signals generated by that magnetic-field sensor while the member rotates and to dynamically compute from the signals a measurement associated with a performance of the rotating member.
摘要翻译：测量系统包括被配置为将机械能传递到使用点的旋转构件。构件在其表面上具有一个或多个圆周取向的可磁化材料带。每个带具有由磁性记录在该带的可磁化材料中的多个跃迁组成的磁图案。磁场传感器设置在每个可磁化材料带的附近，以便在构件旋转时感测记录在该带中的磁图案。每个磁场传感器响应由该磁场传感器感测到的磁性图案产生信号。处理电子设备与每个磁场传感器通信，以在构件旋转时接收由该磁场传感器产生的信号，并且根据信号动态地计算与旋转构件的性能相关联的测量。

2. 发明授权

US07259553B2 System and method of magnetically sensing position of a moving component 有权
标题翻译：磁传感元件的位置的系统和方法
公开(公告)号：US07259553B2
公开(公告)日：2007-08-21
申请号：US11104740
申请日：2005-04-13
申请人： Donald C. Arns, Jr. , Pablo Garcia
发明人： Donald C. Arns, Jr. , Pablo Garcia
IPC分类号： G01B7/30
CPC分类号： F15B15/2861 , F15B15/2846 , G01D5/00 , G01D5/24423 , G01D5/24438 , G01D5/24447 , G01D5/24476
摘要： A position-sensing system magnetically senses the position of a piston rod moving with respect to a cylinder. A magnetically hard layer on the piston rod provides a recording medium. Information is magnetically recorded in regions of the magnetically hard layer. These regions provide a relative encoding scheme for determining the position of the piston rod. Magnetic-field sensors are positioned over redundant tracks of magnetically recorded regions. Each magnetic-field sensor positioned over a given track senses the same magnetized regions while the piston rod moves with respect to the cylinder. Other magnetic-field sensors can sense ambient fields for use in performing common-mode rejection. A write head can dynamically repair damaged or erased regions detected by the magnetic-field sensors. Energized by a battery-backup power source, the magnetic-field sensors and associated circuitry can continue to track movement of the piston rod when the machinery is off.
摘要翻译：位置感测系统磁性地感测相对于气缸移动的活塞杆的位置。活塞杆上的磁性硬层提供了一种记录介质。信息被磁记录在磁性硬层的区域中。这些区域提供用于确定活塞杆的位置的相对编码方案。磁场传感器位于磁记录区域的冗余轨道上。位于给定轨道上方的每个磁场传感器在活塞杆相对于气缸移动时感测相同的磁化区域。其他磁场传感器可以感测用于执行共模抑制的环境场。写头可以动态修复由磁场传感器检测到的损坏或擦除的区域。由电池备用电源供电，当机械关闭时，磁场传感器和相关电路可以继续跟踪活塞杆的运动。

3. 发明授权

US07755350B2 System and method of perpendicularly magnetizing position information in a magnetically hard layer of a moving component 有权
标题翻译：在运动部件的磁性硬层中垂直磁化位置信息的系统和方法
公开(公告)号：US07755350B2
公开(公告)日：2010-07-13
申请号：US12252342
申请日：2008-10-15
申请人： Donald C. Arns, Jr. , Pablo Garcia
发明人： Donald C. Arns, Jr. , Pablo Garcia
IPC分类号： G01B7/14
CPC分类号： F15B15/2861 , F15B15/2846 , G01D5/00 , G01D5/24423 , G01D5/24438 , G01D5/24447 , G01D5/24476
摘要： A position-sensing system magnetically senses the position of a piston rod moving with respect to a cylinder. A magnetically hard layer on the piston rod provides a recording medium. Information is perpendicularly magnetized in regions of the magnetically hard layer. These regions provide an encoding scheme for determining the position of the piston rod. Magnetic-field sensors are positioned over redundant tracks of magnetically recorded regions. Each magnetic-field sensor positioned over a given track senses the same magnetized regions while the piston rod moves with respect to the cylinder. Other magnetic-field sensors can sense ambient fields for use in performing common-mode rejection. A write head can dynamically repair damaged or erased regions detected by the magnetic-field sensors. Energized by a battery-backup power source, the magnetic-field sensors and associated circuitry can continue to track movement of the piston rod when the machinery is off.
摘要翻译：位置感测系统磁性地感测相对于气缸移动的活塞杆的位置。活塞杆上的磁性硬层提供了一种记录介质。信息在磁性硬层的区域中垂直磁化。这些区域提供用于确定活塞杆的位置的编码方案。磁场传感器位于磁记录区域的冗余轨道上。位于给定轨道上方的每个磁场传感器在活塞杆相对于气缸移动时感测相同的磁化区域。其他磁场传感器可以感测用于执行共模抑制的环境场。写头可以动态修复由磁场传感器检测到的损坏或擦除的区域。由电池备用电源供电，当机械关闭时，磁场传感器和相关电路可以继续跟踪活塞杆的运动。

4. 发明授权

US07439733B2 System and method of magnetically sensing position of a moving component 有权
标题翻译：磁传感元件的位置的系统和方法
公开(公告)号：US07439733B2
公开(公告)日：2008-10-21
申请号：US11782005
申请日：2007-07-24
申请人： Donald C. Arns, Jr. , Pablo Garcia
发明人： Donald C. Arns, Jr. , Pablo Garcia
IPC分类号： G01B7/30
CPC分类号： F15B15/2861 , F15B15/2846 , G01D5/00 , G01D5/24423 , G01D5/24438 , G01D5/24447 , G01D5/24476
摘要： A position-sensing system magnetically senses the position of a first component moving with respect to a second component. A magnetically hard layer on the first component provides a recording medium. Information is magnetically recorded in regions of the magnetically hard layer. These regions provide a relative encoding scheme for determining the position of the first component. Magnetic-field sensors are positioned over redundant tracks of magnetically recorded regions. Each magnetic-field sensor positioned over a given track senses the same magnetized regions while the first component moves with respect to the second component. Other magnetic-field sensors can sense ambient fields for use in performing common-mode rejection. A write head can dynamically repair damaged or erased regions detected by the magnetic-field sensors. Energized by a battery-backup power source, the magnetic-field sensors and associated circuitry can continue to track movement of the first component when the machinery is off.
摘要翻译：位置感测系统磁性地感测相对于第二部件移动的第一部件的位置。第一组件上的磁性硬层提供记录介质。信息被磁记录在磁性硬层的区域中。这些区域提供用于确定第一部件的位置的相对编码方案。磁场传感器位于磁记录区域的冗余轨道上。位于给定轨道上方的每个磁场传感器在第一部件相对于第二部件移动时感测相同的磁化区域。其他磁场传感器可以感测用于执行共模抑制的环境场。写头可以动态修复由磁场传感器检测到的损坏或擦除的区域。由电池备用电源供电，当机械关闭时，磁场传感器和相关电路可以继续跟踪第一部件的运动。

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