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71. 发明授权

US5629621A Apparatus and methods for obtaining increased sensitivity, selectivity and dynamic range in property measurement using magnetometers 失效
标题翻译：使用磁力计获得性能测量中增加灵敏度，选择性和动态范围的装置和方法
公开(公告)号：US5629621A
公开(公告)日：1997-05-13
申请号：US460664
申请日：1995-06-02
申请人： Neil J. Goldfine , James R. Melcher, deceased
发明人： Neil J. Goldfine , James R. Melcher, deceased
IPC分类号： G01B7/06 , G01B7/14 , G01N27/72 , G01N27/90 , G01R27/00 , G01R33/12 , G01N27/82
CPC分类号： G01B7/105 , G01N27/72 , G01N27/9046 , G01R33/1223
摘要： Apparatus and methods are disclosed which provide increased sensitivity, selectivity and dynamic range for non-contact measurement of actual physical and/or kinematic properties of conducting and magnetic materials. The apparatus and methods are based upon various methods for increasing sensitivity, selectivity and dynamic range through proper construction of a magnetometer sensor and for proper selection of operating point parameters for the application.A measurement apparatus for measuring one or more MUT properties includes an electromagnetic winding structure which, when driven by an electric signal, imposes a magnetic field in the MUT and senses an electromagnetic response. An analyzer is provided for applying the electric signal to the winding structure. A property estimator is coupled to the winding structure and translates sensed electromagnetic responses into estimates of one or more preselected properties of the material.
摘要翻译：公开了提供用于非接触式测量导电和磁性材料的实际物理和/或运动特性的增加的灵敏度，选择性和动态范围的装置和方法。该装置和方法基于通过适当构造磁力计传感器并适当选择应用的工作点参数来提高灵敏度，选择性和动态范围的各种方法。用于测量一个或多个MUT特性的测量装置包括电磁绕组结构，当电信号驱动时，在MUT中施加磁场并感测电磁响应。提供用于将电信号施加到绕组结构的分析器。属性估计器耦合到绕组结构，并将感测到的电磁响应转换成材料的一个或多个预选属性的估计。

72. 发明授权

US5453689A Magnetometer having periodic winding structure and material property estimator 失效
标题翻译：具有周期性绕组结构和材料性质估计的磁力计
公开(公告)号：US5453689A
公开(公告)日：1995-09-26
申请号：US803504
申请日：1991-12-06
申请人： Neil J. Goldfine , James R. Melcher, deceased
发明人： Neil J. Goldfine , James R. Melcher, deceased
IPC分类号： G01B7/06 , G01B7/14 , G01N27/72 , G01N27/90 , G01R27/00 , G01R33/12 , G01N27/82
CPC分类号： G01B7/105 , G01N27/72 , G01N27/9046 , G01R33/1223
摘要： Apparatus and methods are disclosed which provide increased sensitivity, selectivity and dynamic range for non-contact measurement of actual physical and/or kinematic properties of conducting and magnetic materials. The apparatus and methods are based upon various methods for increasing sensitivity, selectivity and dynamic range through proper construction of a magnetometer sensor and for proper selection of operating point parameters for the application. A measurement apparatus for measuring one or more MUT properties includes an electromagnetic winding structure which, when driven by an electric signal, imposes a magnetic field in the MUT and senses an electromagnetic response. An analyzer is provided for applying the electric signal to the winding structure. A property estimator is coupled to the winding structure and translates sensed electromagnetic responses into estimates of one or more preselected properties of the material.
摘要翻译：公开了提供用于非接触式测量导电和磁性材料的实际物理和/或运动特性的增加的灵敏度，选择性和动态范围的装置和方法。该装置和方法基于通过适当构造磁力计传感器并适当选择应用的工作点参数来提高灵敏度，选择性和动态范围的各种方法。用于测量一个或多个MUT特性的测量装置包括电磁绕组结构，当电信号驱动时，在MUT中施加磁场并感测电磁响应。提供用于将电信号施加到绕组结构的分析器。属性估计器耦合到绕组结构，并将感测到的电磁响应转换成材料的一个或多个预选属性的估计。

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