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1. 发明授权

US09372240B2 Current sensor 有权
标题翻译：电流传感器
公开(公告)号：US09372240B2
公开(公告)日：2016-06-21
申请号：US14284234
申请日：2014-05-21
申请人： ALPS GREEN DEVICES CO., LTD.
发明人： Manabu Tamura
IPC分类号： G01R19/00 , G01R33/09 , G01R15/20 , G01R1/18
CPC分类号： G01R33/091 , G01R1/18 , G01R15/20 , G01R15/202
摘要： A current sensor according to the present invention includes a bus bar, a magnetic sensor element disposed so as to face the bus bar, a wiring board on which the magnetic sensor element is provided, and a signal line electrically connected to the magnetic sensor element. The wiring board includes a base portion facing the bus bar and an extending portion extending from the base portion, and the signal line is connected to the extending portion and provided in a direction intersecting the wiring board.
摘要翻译：根据本发明的电流传感器包括汇流条，设置成面向母线的磁性传感器元件，设置有磁性传感器元件的布线基板和与该磁性传感器元件电连接的信号线。布线板包括面向母线的基部和从基部延伸的延伸部，信号线连接到延伸部并且沿与布线板相交的方向设置。

2. 发明授权

US09146260B2 Magnetic balance type current sensor 有权
标题翻译：磁平衡式电流传感器
公开(公告)号：US09146260B2
公开(公告)日：2015-09-29
申请号：US13668127
申请日：2012-11-02
申请人： ALPS GREEN DEVICES CO., LTD.
发明人： Yoshihiro Nishiyama , Masamichi Saito , Akira Takahashi , Masahiro Iizuka
IPC分类号： G01R33/02 , G01R15/20 , G01R33/09
CPC分类号： G01R15/205 , G01R33/093
摘要： A magnetic balance type current sensor includes a magnetic balance type current sensor including a magnetoresistance effect element whose characteristic changes owing to an induction magnetic field from a current to be measured flowing through a conductor, a feedback coil configured to be disposed in the vicinity of the magnetoresistance effect element and generate a cancelling magnetic field cancelling out the induction magnetic field, a magnetic shield configured to attenuate the induction magnetic field and enhance the cancelling magnetic field, and a hard bias layer configured to be provided on or above the magnetic shield.
摘要翻译：磁平衡型电流传感器包括磁平衡型电流传感器，该磁平衡型电流传感器包括磁阻效应元件，该磁阻效应元件的特性由于流过导体的待测电流的感应磁场而变化，被配置为设置在接近产生抵消磁场的抵消磁场，构造成使感应磁场衰减并增强抵消磁场的磁屏蔽，以及配置成设置在磁屏蔽上或上方的硬偏置层。

3. 发明授权

US09063185B2 Current sensor 有权
标题翻译：电流传感器
公开(公告)号：US09063185B2
公开(公告)日：2015-06-23
申请号：US13945760
申请日：2013-07-18
申请人： ALPS GREEN DEVICES CO., LTD.
发明人： Hiroyuki Hebiguchi
IPC分类号： G01R33/09 , G01R33/02 , H01L43/08 , G01R15/20 , G01R33/00 , G01R33/07
CPC分类号： G01R33/02 , G01R15/205 , G01R33/0005 , G01R33/07 , H01L43/08 , H01L2924/30107
摘要： A first magnetic sensor and a second magnetic sensor are disposed so that the main sensitivity axis direction of the first magnetic sensor is oriented in the direction of an induction magnetic field from a current flowing through a current line, the main sensitivity axis direction of the second magnetic sensor is oriented in a direction opposite to the direction of an induction magnetic field from the current flowing therethrough, the individual main sensitivity axis directions of the first and second magnetic sensors are oriented in a same direction, and the individual sub-sensitivity axis directions of the first and second magnetic sensors are oriented in the same directions as or directions opposite to the directions of the sub-sensitivity axis components of the induction magnetic fields to which the first and second magnetic sensors are individually subjected from a current flowing through an adjacent current line adjacent to the current line.
摘要翻译：第一磁传感器和第二磁传感器被布置成使得第一磁传感器的主感光度轴方向从流过电流线的电流沿感应磁场的方向取向，第二磁传感器的主感测轴方向磁传感器沿着与从其流过的电流的感应磁场的方向相反的方向定向，第一和第二磁传感器的各主要灵敏度轴方向被定向在相同的方向上，并且各个副敏感度轴方向第一和第二磁性传感器的方向与第一和第二磁性传感器从流经相邻的电流的电流分别受到的感应磁场的副敏感度轴分量的方向相反的方向当前行与当前行相邻。

4. 发明申请

US20140132248A1 CURRENT SENSOR 有权
标题翻译：电流传感器
公开(公告)号：US20140132248A1
公开(公告)日：2014-05-15
申请号：US14018080
申请日：2013-09-04
申请人： Alps Green Devices Co., Ltd.
发明人： Shinji MITSUYA
IPC分类号： G01R15/14
CPC分类号： G01R15/207
摘要： A current sensor includes a casing including a pair of arms and coupling part, multiple magneto-electric transducers arranged on the circumference of a virtual ellipse whose major axis or minor axis extends between the arms, a support disposed obliquely relative to the major axis or the minor axis of the virtual ellipse within an angle formed by the major axis and the minor axis so as to be close to one of the arms when viewed from the center of a wire disposed and fastened between the arms, and a band wound around a circumferential surface of the wire fastened between the arms, part of the band being caught by the support, the wire being fastened by the band such that the central axis or center of the wire is held close to the support.
摘要翻译：电流传感器包括一个包括一对臂和耦合部分的壳体，多个磁电变换器布置在虚拟椭圆的圆周上，该虚拟椭圆的长轴或短轴在臂之间延伸，相对于长轴倾斜设置的支撑件或在由长轴和短轴形成的角度内的虚拟椭圆的短轴，以便当从设置和紧固在臂之间的线的中心观察时，靠近臂中的一个臂，并且围绕周向电线的表面固定在臂之间，带的一部分被支撑件卡住，线被带固定，使得线的中心轴或中心保持靠近支撑。

5. 发明申请

US20140070801A1 CURRENT SENSOR 有权
标题翻译：电流传感器
公开(公告)号：US20140070801A1
公开(公告)日：2014-03-13
申请号：US14077020
申请日：2013-11-11
申请人： Alps Green Devices Co., Ltd.
发明人： Manabu TAMURA
IPC分类号： G01R19/00 , G01R33/02
CPC分类号： G01R19/00 , G01R15/20 , G01R15/207 , G01R33/02
摘要： A current sensor includes a first conductor and a second conductor arranged so as to form current paths parallel to each other; a circuit board arranged such that a surface thereof is perpendicular to the current paths; and a first magnetoelectric transducer and a second magnetoelectric transducer arranged on the surface of the circuit board such that the first conductor is interposed therebetween. The first conductor, the second conductor, the first magnetoelectric transducer, and the second magnetoelectric transducer are located on a same plane.
摘要翻译：电流传感器包括布置成形成彼此平行的电流路径的第一导体和第二导体; 布置成使其表面垂直于电流路径的电路板; 以及布置在电路板的表面上的第一磁电变换器和第二磁电变换器，使得第一导体插入其间。第一导体，第二导体，第一磁电变换器和第二磁电变换器位于同一平面上。

6. 发明申请

US20130307534A1 CURRENT SENSOR 有权
标题翻译：电流传感器
公开(公告)号：US20130307534A1
公开(公告)日：2013-11-21
申请号：US13951278
申请日：2013-07-25
申请人： ALPS GREEN DEVICES CO., LTD.
发明人： Hiroyuki HEBIGUCHI , Isao SATO , Takashi FUJISAKI , Mitsuo ARATONO , Akira TAKAHASHI , Masato NAKAMURA
IPC分类号： G01R33/00
CPC分类号： G01R33/0005 , G01R15/205 , G01R33/06 , H01L43/08 , H01L2924/30107
摘要： A current sensor includes first and second magnetic sensors that are placed around a current line through which a current flows so that the current line is positioned therebetween, and that detect an induction field generated by the current. Each of the first and second magnetic sensors has a main sensitivity axis and a sub-sensitivity axis. The direction of the main sensitivity axis of each of the first and second magnetic sensors is oriented in a direction that is not orthogonal to the direction of the induction field. The directions of the main sensitivity axes of the first and second magnetic sensors are oriented in the same direction and the directions of the sub-sensitivity axes are oriented in the same direction, or the directions of the main sensitivity axes are oriented in opposite directions and the directions of the sub-sensitivity axes are oriented in opposite directions.
摘要翻译：电流传感器包括第一和第二磁传感器，其围绕电流流过的电流线放置，使得电流线位于其间，并且检测由电流产生的感应场。第一和第二磁传感器中的每一个具有主灵敏度轴和副敏感度轴。第一和第二磁传感器中的每一个的主灵敏度轴的方向定向在与感应场方向不正交的方向上。第一和第二磁性传感器的主要灵敏度轴的方向定向在相同的方向上，并且副敏感性轴的方向被定向在相同的方向上，或者主要灵敏度轴的方向指向相反的方向，并且副敏感轴的方向取向相反。

7. 发明申请

US20130099775A1 CURRENT SENSOR 有权
标题翻译：电流传感器
公开(公告)号：US20130099775A1
公开(公告)日：2013-04-25
申请号：US13655209
申请日：2012-10-18
申请人： ALPS GREEN DEVICES CO., LTD.
发明人： Shinji MITSUYA
IPC分类号： G01R19/00
CPC分类号： G01R15/207
摘要： A current sensor includes a first support configured to include a cutout portion, a first magnetic detector element group configured to be provided in the first support, a second support configured to include a cutout portion, and a second magnetic detector element group configured to be provided in the second support. The cutout portion includes a supporting surface supporting a current line. In the current sensor, when the current line conducting therethrough a current to be measured is attached, the first support and the second support are displaced in the circumferential direction of the current line and fixed, and the current line is supported by supporting surfaces, in different positions in the axis line direction of the corresponding current line.
摘要翻译：电流传感器包括被配置为包括切口部分的第一支撑件，被配置为设置在第一支撑件中的第一磁性检测器元件组，被配置为包括切口部分的第二支撑件和被配置为提供的第二磁性检测器元件组在第二支持。切口部包括支撑电流线的支撑面。在电流传感器中，当安装电流线穿过其中测量电流时，第一支撑件和第二支撑件在电流线的圆周方向上移位并固定，并且电流线由支撑表面支撑在在相应的当前行的轴线方向上的不同位置。

8. 发明申请

US20130082698A1 CURRENT SENSOR 有权
标题翻译：电流传感器
公开(公告)号：US20130082698A1
公开(公告)日：2013-04-04
申请号：US13553672
申请日：2012-07-19
申请人： Hirofumi FUKUI
发明人： Hirofumi FUKUI
IPC分类号： G01R33/09
CPC分类号： G01R15/205 , G01R31/006 , G01R33/09 , G01R33/091
摘要： A current sensor includes a magnetic sensor including magnetoresistive sensors configured to detect induction fields generated by a measurement current passing through a current line, a magnetic field application unit configured to apply to the magnetoresistive sensors a magnetic field having a direction perpendicular to sensitivity directions of the magnetoresistive sensors; and a computing unit configured to calculate from an output of the magnetic sensor a compensation value for the output. The computing unit is configured to be capable of calculating the compensation value from the outputs of the magnetic sensor obtained in at least two states in which magnetic fields applied by the magnetic field application unit are different from each other.
摘要翻译：电流传感器包括磁传感器，其包括被配置为检测由通过电流线的测量电流产生的感应场的磁阻传感器;磁场施加单元，被配置为向磁阻传感器施加具有垂直于磁阻传感器; 以及计算单元，被配置为从所述磁传感器的输出计算所述输出的补偿值。计算单元被配置为能够根据在由磁场施加单元施加的磁场彼此不同的至少两个状态中获得的磁传感器的输出来计算补偿值。

9. 发明授权

US08395383B2 Current sensor including magnetic detecting element 有权
标题翻译：电流传感器包括磁检测元件
公开(公告)号：US08395383B2
公开(公告)日：2013-03-12
申请号：US13037231
申请日：2011-02-28
申请人： Yoshihiro Nishiyama , Masamichi Saito , Akira Takahashi , Yosuke Ide , Hidekazu Kobayashi , Masahiro Iizuka
发明人： Yoshihiro Nishiyama , Masamichi Saito , Akira Takahashi , Yosuke Ide , Hidekazu Kobayashi , Masahiro Iizuka
IPC分类号： G01R33/09
CPC分类号： G01R15/205
摘要： A current sensor includes a magnetic detecting element, a bridge circuit including a plurality of resistance elements, and a feedback coil placed adjacent to the magnetic detecting element and generating a cancelling magnetic field for cancelling the induced magnetic field based on the output from the bridge circuit. The wiring patterns forming the bridge circuit are routed so as not to intersect with each other when seen in a plan view. Only the resistance elements constituting each series circuit of the bridge circuit are connected to each other by the wiring pattern in an enclosed area which encloses each resistance element constituting the bridge circuit, and the wiring pattern branched from the wiring pattern is connected to the terminal which is installed in a quantity of only one, outside the enclosed area.
摘要翻译：电流传感器包括磁检测元件，包括多个电阻元件的桥接电路和与磁检测元件相邻放置的反馈线圈，并且基于桥式电路的输出产生抵消感应磁场的消除磁场。形成桥接电路的布线图案在平面图中看来彼此不相交。构成桥式电路的各个串联电路的电阻元件只有封闭在构成桥接电路的各个电阻元件的封闭区域中的布线图案相互连接，从布线图案分支的布线图案与在封闭区域外部仅安装一个。

10. 发明申请

US20130057274A1 CURRENT SENSOR 审中-公开
标题翻译：电流传感器
公开(公告)号：US20130057274A1
公开(公告)日：2013-03-07
申请号：US13587786
申请日：2012-08-16
申请人： Yosuke IDE , Yoshihiro NISHIYAMA
发明人： Yosuke IDE , Yoshihiro NISHIYAMA
IPC分类号： G01R33/09
CPC分类号： G01R33/093 , G01R15/205
摘要： A current sensor includes a magnetoresistance effect element in which a plurality of magnetic detecting portions and a plurality of permanent magnet portions are alternately arranged so as to be in contact with each other. Each magnetic detecting portion is configured to include a ferromagnetic fixed layer whose magnetization direction is substantially fixed and a free magnetic layer whose magnetization direction changes with respect to an external magnetic field. Each permanent magnet portion is configured to include a hard bias layer applying a bias magnetic field to the free magnetic layer. An interval between the adjacent permanent magnet portions is 20 μm to 100 μm.
摘要翻译：电流传感器包括磁阻效应元件，其中多个磁检测部分和多个永磁体部分交替地布置成彼此接触。每个磁检测部分被配置为包括其磁化方向基本固定的铁磁性固定层和磁化方向相对于外部磁场变化的自由磁性层。每个永磁体部分被配置为包括向偏置磁场施加偏置磁场的硬偏置层。相邻的永久磁铁部之间的间隔为20μm〜100μm。

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