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1. 发明授权

US4857837A Magneto resistive current sensor with improved fidelity 失效
标题翻译：磁阻电流传感器具有更高的保真度
公开(公告)号：US4857837A
公开(公告)日：1989-08-15
申请号：US139352
申请日：1987-12-29
申请人： Mich S. Baran , Bruce C. Beihoff , Michael A. Damiano , James E. Hansen , Jerome K. Hastings , Allen J. Slomczewski , Charles J. Tennies
发明人： Mich S. Baran , Bruce C. Beihoff , Michael A. Damiano , James E. Hansen , Jerome K. Hastings , Allen J. Slomczewski , Charles J. Tennies
IPC分类号： G01R1/067 , G01R15/20
CPC分类号： G01R1/06766 , G01R15/205
摘要： The present invention is a current sensor employing a magneto resistive sensor having high fidelity of output. This current sensor includes a magnetic flux concentrator substantially encircling the electrical conductor having magnetic sensing, a magnetic device generating a magnetic field component along an axis offset from the principle axis, a magneto resistive device disposed in the magnetic sensing region, a constant current source supplying a predetermined constant current to said magneto resistive device, and a voltage sensing circuit connected to said magneto resistive device for measuring resistance by measuring a difference voltage induced by said constant current. This measured voltage corresponds to the current through the conductor. The magneto resistive device is formed as a Wheatstone bridge having a first and second pair of opposite terminals. The constant current source provides a predetermined constant current whereby the change with temperature in the differential voltage between said second pair of terminals is equal and opposite to the change in voltage of the total bridge resistance with temperature and the change in the bridge offset voltage with temperature.
摘要翻译：本发明是采用具有高保真输出的磁阻传感器的电流传感器。该电流传感器包括基本上环绕具有磁感测的电导体的磁通量集中器，沿着与主轴偏离的轴产生磁场分量的磁性装置，设置在磁感应区域中的磁阻元件，恒流源向所述磁阻器件施加预定的恒定电流，以及连接到所述磁阻器件的电压检测电路，用于通过测量由所述恒定电流引起的差值电压来测量电阻。该测量电压对应于通过导体的电流。磁阻电阻器形成为具有第一和第二对相对端子的惠斯通电桥。恒定电流源提供预定的恒定电流，由此在所述第二对端子之间的差分电压中随温度的变化等于并且与总桥电阻随温度变化的电压和桥接偏移电压随温度的变化相反。

2. 发明授权

US5430613A Current transformer using a laminated toroidal core structure and a lead frame 失效
标题翻译：电流互感器使用层叠环形芯结构和引线框架
公开(公告)号：US5430613A
公开(公告)日：1995-07-04
申请号：US69338
申请日：1993-06-01
申请人： Jerome K. Hastings , Bruce C. Beihoff , James E. Hansen , Mark A. Juds , Steven C. Kaishian , Charles J. Tennies
发明人： Jerome K. Hastings , Bruce C. Beihoff , James E. Hansen , Mark A. Juds , Steven C. Kaishian , Charles J. Tennies
IPC分类号： H01F1/00 , H01F17/00 , H01F41/16 , H05K7/06 , H01F27/30 , H01F38/28
CPC分类号： H01F41/16 , H01F1/0027 , H01F17/0033 , H01F2027/2814 , H01F2038/305 , Y10T29/4902 , Y10T29/49073 , Y10T29/49078 , Y10T29/4981
摘要： A current transformer device is formed on a ceramic substrate which is provided with a plurality of planar conductive tracks formed on a surface of the substrate where the conductive tracks extend substantially radially from an imaginary point on the surface of the substrate. A structure of permeable material layers is then tape cast or epitaxially formed by vapor deposition of a thick film of magnetic ceramic over the major portion of each of the conductive tracks to form a permeable toroidal core. A lead frame is then placed over the core and a plurality of metal conductors are soldered to each of the respective exposed ends of the metal conductive tracks on the substrate to form a toroidal coil surrounding the toroidal core. The required electrical elements to complete the current transformer device are mounted to a second side of the ceramic substrate and electrically connected to the toroidal coil for powering and/or receiving signals therefrom.
摘要翻译：电流互感器装置形成在陶瓷基片上，该陶瓷基片上设有形成在基片表面上的多个平面导电迹线，导电迹线从基片表面的假想点基本径向延伸。然后通过在每个导电轨道的主要部分上蒸镀一层厚厚的磁性陶瓷，将可渗透材料层的结构胶带或外延形成，以形成可渗透的环形芯。然后将引线框放置在芯上，并且将多个金属导体焊接到衬底上的金属导电轨道的相应暴露端中的每一个，以形成环绕环形芯的环形线圈。完成电流互感器装置的所需电气元件安装在陶瓷基片的第二侧上，并电连接到环形线圈，用于向其提供和/或接收信号。

3. 发明授权

US5425166A Current transformer using a laminated toroidal core structure and a lead frame 失效
标题翻译：电流互感器使用层叠环形芯结构和引线框架
公开(公告)号：US5425166A
公开(公告)日：1995-06-20
申请号：US277403
申请日：1994-07-19
申请人： Jerome K. Hastings , Bruce C. Beihoff , James E. Hansen , Mark A. Juds , Steven C. Kaishian , Charles J. Tennies
发明人： Jerome K. Hastings , Bruce C. Beihoff , James E. Hansen , Mark A. Juds , Steven C. Kaishian , Charles J. Tennies
IPC分类号： H01F1/00 , H01F17/00 , H01F41/16 , H01F41/02
CPC分类号： H01F41/16 , H01F1/0027 , H01F17/0033 , H01F2027/2814 , H01F2038/305 , Y10T29/4902 , Y10T29/49073 , Y10T29/49078 , Y10T29/4981
摘要： A current transformer device is formed on a ceramic substrate which is provided with a plurality of planar conductive tracks formed on a surface of the substrate where the conductive tracks extend substantially radially from an imaginary point on the surface of the substrate. A structure of permeable material is then tape cast or epitaxially formed by vapor deposition of a thick film of magnetic ceramic over the major portion of each of the conductive tracks to form a permeable toroidal core. A lead frame is then placed over the core and a plurality of metal conductors are soldered to each of the respective exposed ends of the metal conductive tracks on the substrate. The required electrical elements to complete the current transformer device are mounted to a second side of the ceramic substrate and electrically connected to the toroidal coil for powering and/or receiving signals therefrom.
摘要翻译：电流互感器装置形成在陶瓷基片上，该陶瓷基片上设有形成在基片表面上的多个平面导电迹线，导电迹线从基片表面的假想点基本径向延伸。然后通过在每个导电轨道的主要部分上蒸镀一层厚厚的磁性陶瓷，将可渗透材料的结构胶带或外延形成，以形成可渗透的环形芯。然后将引线框架放置在芯上，并且将多个金属导体焊接到衬底上的金属导电轨道的相应的暴露端中的每一个。完成电流互感器装置的所需电气元件安装在陶瓷基片的第二侧上，并电连接到环形线圈，用于向其提供和/或接收信号。

4. 发明授权

US5185685A Field sensing arc detection 失效
标题翻译：现场感测弧检测
公开(公告)号：US5185685A
公开(公告)日：1993-02-09
申请号：US676741
申请日：1991-03-28
申请人： Charles J. Tennies , Bruce C. Beihoff , Jerome K. Hastings , Robert J. Clarey , Walter K. O'Neil
发明人： Charles J. Tennies , Bruce C. Beihoff , Jerome K. Hastings , Robert J. Clarey , Walter K. O'Neil
IPC分类号： G01R31/12 , H02H1/00 , H02H7/00
CPC分类号： H02H1/0015
摘要： An arc detection method and apparatus is provided for an electric circuit having an electrified conductor (46) connecting a voltage source (26) to a load (30). The system senses the electromagnetic field established about the conductor by the occurrence of an electrical arc in the electric circuit, and generates a field responsive signal. Arc discrimination circuitry responding to the field responsive signal and generates an arc indicative signal in response to a given characteristic of the field responsive signal. The system includes an E field sensor (66) and a B field sensor (68).

5. 发明授权

US5206596A Arc detector transducer using an E and B field sensor 失效
标题翻译：使用E和B现场传感器的ARC检测器传感器
公开(公告)号：US5206596A
公开(公告)日：1993-04-27
申请号：US676781
申请日：1991-03-28
申请人： Bruce C. Beihoff , Charles J. Tennies , Jerome K. Hastings
发明人： Bruce C. Beihoff , Charles J. Tennies , Jerome K. Hastings
IPC分类号： G01R31/12 , H02H1/00 , H02H9/02
CPC分类号： H02H1/0015
摘要： An arc detector antenna transducer (62) for an electric circuit has an electrified conductor (46) connecting a voltage source (26) to a load (30). The arc detector transducer includes an E field sensor (66) sensing the E field established about the conductor by the occurrence of an electrical arc in the circuit, and a B field sensor (68) sensing the B field established about the conductor by the occurrence of the electrical arc in the circuit.

6. 发明授权

US5185686A Direction sensing arc detection 失效
标题翻译：方向感测弧检测
公开(公告)号：US5185686A
公开(公告)日：1993-02-09
申请号：US676840
申请日：1991-03-28
申请人： James E. Hansen , Bruce C. Beihoff , Charles J. Tennies , Francis S. Richards, Jr.
发明人： James E. Hansen , Bruce C. Beihoff , Charles J. Tennies , Francis S. Richards, Jr.
IPC分类号： G01R31/12 , G01R31/08 , H02H1/00 , H02H9/02
CPC分类号： G01R31/08 , H02H1/0015
摘要： An arc detection method and apparatus is provided for an electric circuit having an electrified conductor (46) connecting a voltage source (26) to a load (30), the conductor having a line side extending from the arc detector to the voltage source, and a load side extending from the arc detector to the load. The arc detector includes a field sensor (62) sensing the electromagnetic field established about the conductor by the occurrence of an electrical arc in the circuit, and generating a field responsive signal in response thereto. Direction sensing circuitry detects whether the arc is from the load side or the line side, and generates a direction indicative signal.

7. 发明授权

US5208542A Timing window arc detection 失效
标题翻译：定时窗口检测
公开(公告)号：US5208542A
公开(公告)日：1993-05-04
申请号：US676742
申请日：1991-03-28
申请人： Charles J. Tennies , Bruce C. Beihoff , James E. Hansen
发明人： Charles J. Tennies , Bruce C. Beihoff , James E. Hansen
IPC分类号： G01R31/12 , H02H1/00 , H02H9/02
CPC分类号： H02H1/0015
摘要： An arc detection method and apparatus is provided for an electric circuit having an electrified conductor (46) connecting a voltage source (26) to a load (30). The arc detector includes a field sensor (62) sensing an electromagnetic field established about the conductor by the occurrence of an electrical arc in the circuit, and generating a field responsive signal in response thereto. Arc discrimination circuitry responds to the field sensor and generates a tentative arc signal in response to a given characteristic of the field responsive signal. Arc timing window circuitry responds to the arc discrimination circuitry and generates a confirmed arc signal in response to a given timing characteristic of the tentative arc signal.

8. 发明授权

US4841235A MRS current sensor 失效
标题翻译： MRS电流传感器
公开(公告)号：US4841235A
公开(公告)日：1989-06-20
申请号：US61351
申请日：1987-06-11
申请人： Jerome K. Hastings , Bruce C. Beihoff , Michael S. Baran , Mark A. Juds , James E. Hansen
发明人： Jerome K. Hastings , Bruce C. Beihoff , Michael S. Baran , Mark A. Juds , James E. Hansen
IPC分类号： G01R15/20
CPC分类号： G01R15/205
摘要： A current sensor (10) comprising spaced pole pieces (62, 64) and a magnetic shunt (80) bridging the pole pieces within an insulating housing assembly (12) which also contains a magnetoresistive transducer (90) and electronic circuitry (16) for sensing magnetic field intensity between the pole pieces and relating that intensity as electric signals provided at terminals (26) at the exterior of the housing. The transducer senses magnetic field intensity along a principal axis (88). Permanent magnets (94, 96) or induction coils (276, 278) are provided to establish a biasing component of magnetic field intensity along an axis (98) substantially normal to the principal axis to improve sensor sensitivity, range of operation and immunity to current overload.

9. 发明授权

US4857841A Proximity detector employing magneto resistive sensor in the central magnetic field null of a toroidal magnet 失效
标题翻译：接近检测器采用磁阻传感器在环形磁铁的中心磁场无效
公开(公告)号：US4857841A
公开(公告)日：1989-08-15
申请号：US139350
申请日：1987-12-29
申请人： Jerome K. Hastings , Bruce C. Beihoff , Mark A. Juds
发明人： Jerome K. Hastings , Bruce C. Beihoff , Mark A. Juds
IPC分类号： G01D5/14 , G01D5/16 , H03K17/95
CPC分类号： G01D5/145 , H03K17/9505 , H03K17/9517
摘要： The present invention is a proximity sensor employing a magneto resistive structure. This proximity sensor includes a toroidal magnet having a central aperture, an inner circumference and an outer circumference. This toroidal magnet has a first magnetic pole at the inner circumference and a second magnetic pole at the outer circumference thereby creating a magnetic field null at a center portion of the central aperture. A magneto resistive structure is disposed at the magnetic field null in the central aperture of the toroidal magnetic. This magneto resistive structure has a resistance dependent upon magnetic flux. The proximity of a magnetically permeable target to the toroidal magnet shifts the position of the magnetic null, thereby causing a large change in the magnetic flux through the magneto resistive structure. An electrical detection circuit detects changes in this resistance for indication of the proximity of the magnetically permeable target.
摘要翻译：本发明是采用磁阻结构的接近传感器。该接近传感器包括具有中心孔，内圆周和外圆周的环形磁体。该环形磁铁在内周具有第一磁极，在外周具有第二磁极，从而在中心孔的中心部分产生磁场零点。磁阻结构设置在环形磁心的中心孔中的磁场为零。该磁阻结构具有取决于磁通量的电阻。导磁目标与环形磁铁的接近度使磁零位移动，从而导致通过磁阻结构的磁通量的大的变化。电检测电路检测该电阻的变化，以指示导磁目标的接近度。

10. 发明授权

US5185687A Chaos sensing arc detection 失效
标题翻译： CHAOS感光弧检测
公开(公告)号：US5185687A
公开(公告)日：1993-02-09
申请号：US676739
申请日：1991-03-28
申请人： Bruce C. Beihoff , Charles J. Tennies , Francis S. Richards, Jr. , Walter K. O'Neil
发明人： Bruce C. Beihoff , Charles J. Tennies , Francis S. Richards, Jr. , Walter K. O'Neil
IPC分类号： G01R31/12 , H02H1/00 , H02H5/00
CPC分类号： H02H1/0015
摘要： An arc detection method and apparatus is provided for an electric circuit having an electrified conductor (46) connecting a voltage source (26) to a load (30). The arc detector includes a field sensor (62) sensing an electromagnetic field established about the conductor by the occurrence of an electrical arc in the electric circuit, and generating a field responsive signal in response thereto. Arc discrimination circuitry responds to the field sensor and generates an arc indicative signal in response to a random chaotic pattern of the field responsive signal.

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