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1. 发明申请

WO2018187326A1 MINIATURE MAGNETIC FIELD DETECTOR 审中-公开
公开(公告)号：WO2018187326A1
公开(公告)日：2018-10-11
申请号：PCT/US2018/025881
申请日：2018-04-03
申请人： THE CHARLES STARK DRAPER LABORATORY, INC.
发明人： BICKFORD, James, A. , GOLMON, Stephanie, Lynne , WARD, Paul, A. , SAWYER, William, D. , WEINBERG, Marc, S. , LEBLANC, John, J. , KRATCHMAN, Louis , PRINGLE, James, S. , FREEMAN, Daniel , DUWEL, Amy , TURNQUIST, Max, Lindsay , MCNABB, Ronald, Steven , LENK, William, A.
IPC分类号： G01V3/08
CPC分类号： G01R33/0047 , A61B5/04 , G01R1/04 , G01R33/0023 , G01R33/0052 , G01R33/1261 , G01V3/081
摘要： Aspects are generally directed to a compact and low-noise magnetic field detector, methods of operation, and methods of production thereof. In one example, a magnetic field detector includes a proof mass, a magnetic dipole source coupled to the proof mass, and a substrate having a substrate offset space defined therein, the proof mass being suspended above the substrate offset space. The magnetic field detector further includes a sense electrode disposed on the substrate within the substrate offset space and positioned proximate the proof mass, the sense electrode being configured to measure a change in capacitance relative to the proof mass from movement of the proof mass in response to a received magnetic field at the magnetic dipole source. The magnetic field detector includes a control circuit coupled to the sense electrode and configured to determine a characteristic of the magnetic field based on the measured change in capacitance.

2. 发明申请

WO2017105596A3 ELECTRIC FIELD DETECTOR SYSTEM 审中-公开
标题翻译：电场检测系统
公开(公告)号：WO2017105596A3
公开(公告)日：2017-06-22
申请号：PCT/US2016/055584
申请日：2016-10-05
申请人： THE CHARLES STARK DRAPER LABORATORY, INC.
发明人： BICKFORD, James, A. , WEINBERG, Marc, S. , FULLFORD, John, Shattler , MCNABB, Ronald, Steven
IPC分类号： G01R29/08 , A61B5/04 , A61B5/0478
摘要： Aspects and embodiments are generally directed to electric field detector systems and methods. In one example, an electric field detector system includes a proof-mass including a source of concentrated charge, a plurality of supports, each individual support of the plurality supports being coupled to the proof-mass, a plurality of sensors, each individual sensor of the plurality of sensors positioned to measure a resonant frequency of a corresponding support of the plurality of supports, and a controller coupled to each individual sensor of the plurality of sensors, the controller configured to measure a characteristic of an electric field imparted on the proof-mass based on at least a first resonant frequency of the measured resonant frequencies.
摘要翻译：方面和实施例通常涉及电场检测器系统和方法。在一个示例中，电场检测器系统包括：包括集中电荷源的质量块，多个支撑件，多个支撑件中的每个单独支撑件耦合到质量块，多个传感器，每个单独传感器所述多个传感器被定位成测量所述多个支撑件中的对应支撑件的共振频率，以及耦合到所述多个传感器中的每个单独传感器的控制器，所述控制器被配置为测量施加在所述多个支撑件上的电场的特性，基于所测量的谐振频率的至少第一谐振频率的质量。

3. 发明申请

WO2017105596A2 ELECTRIC FIELD DETECTOR SYSTEM 审中-公开
公开(公告)号：WO2017105596A2
公开(公告)日：2017-06-22
申请号：PCT/US2016/055584
申请日：2016-10-05
申请人： THE CHARLES STARK DRAPER LABORATORY, INC.
发明人： BICKFORD, James, A. , WEINBERG, Marc, S. , FULLFORD, John, Shattler , MCNABB, Ronald, Steven
CPC分类号： G01R29/0878 , A61B5/04 , A61B5/0478 , A61B2560/0252 , A61B2562/0209 , A61B2562/0219 , G01R29/0814
摘要： Aspects and embodiments are generally directed to electric field detector systems and methods. In one example, an electric field detector system includes a proof-mass including a source of concentrated charge, a plurality of supports, each individual support of the plurality supports being coupled to the proof-mass, a plurality of sensors, each individual sensor of the plurality of sensors positioned to measure a resonant frequency of a corresponding support of the plurality of supports, and a controller coupled to each individual sensor of the plurality of sensors, the controller configured to measure a characteristic of an electric field imparted on the proof-mass based on at least a first resonant frequency of the measured resonant frequencies.

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