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21. 发明授权

US6054850A Magnetic sensor unit for combining a specific magnetic sensor with a specific receiving unit 失效
标题翻译：用于将特定磁传感器与特定接收单元组合的磁传感器单元
公开(公告)号：US6054850A
公开(公告)日：2000-04-25
申请号：US927259
申请日：1997-09-11
申请人： Noriaki Hayashi , Hiroshi Sakanoue , Naoki Hiraoka , Yutaka Ohashi
发明人： Noriaki Hayashi , Hiroshi Sakanoue , Naoki Hiraoka , Yutaka Ohashi
IPC分类号： G01P3/488 , G01D5/14 , G01D5/245 , G01D11/24 , G01P3/48 , G01B7/14
CPC分类号： G01D11/245 , G01D5/147
摘要： The invention provides a magnetic sensor which can be easily produced with a correct combination of parts without requiring an operator to pay particular attention. The magnetic sensor includes: a main sensor unit including: an intermediate part, the outer surface of the intermediate part forming a holder receptor, a receiving structure being provided on the holder receptor; a step-shaped seating; a long plate shaped main including a sensor element, a permanent magnet, and an electronic component; and a connector; and a case including: a sleeve in the form of a cylinder with a closed end and an open end, the sleeve having sealing means formed on the open end, the sealing means serving to create a sealed space inside the sleeve in cooperation with the seating, the sealed space serving as a space in which the main part is placed; a holder for holding the holder receptor, the holder including a fitting structure extending from the open end of the sleeve, the fitting structure being fitted to the receiving structure and a separation stopper for preventing the main part from moving off from the sleeve.
摘要翻译：本发明提供一种磁传感器，其可以容易地以正确的部件组合产生，而不需要操作者特别注意。磁传感器包括：主传感器单元，包括：中间部分，中间部分的外表面形成保持器接收器，接收结构设置在保持器接收器上; 一个阶梯形的座位; 包括传感器元件，永磁体和电子部件的长板状主体; 和连接器; 以及壳体，包括：具有闭合端和开口端的气缸形式的套筒，所述套筒具有形成在所述开口端上的密封装置，所述密封装置用于在所述套筒内与所述座椅配合形成密封空间，所述密封空间用作放置所述主要部件的空间; 保持器，用于保持支架接收器，保持器包括从套筒的开口端延伸的配件结构，配合结构装配到接收结构，以及分离止动器，用于防止主要部件从套筒移开。

22. 发明授权

US5929629A Magnetic sensor having a liquid seal 失效
标题翻译：具有液体密封的磁性传感器
公开(公告)号：US5929629A
公开(公告)日：1999-07-27
申请号：US927256
申请日：1997-09-11
申请人： Naoki Hiraoka , Hiroshi Sakanoue , Noriaki Hayashi , Wataru Fukui , Yutaka Ohashi
发明人： Naoki Hiraoka , Hiroshi Sakanoue , Noriaki Hayashi , Wataru Fukui , Yutaka Ohashi
IPC分类号： G01D5/245 , G01P1/02 , G01P3/488 , G01R33/02 , G01R33/07 , G01P3/44 , G01R33/00 , H05K5/06
CPC分类号： G01P1/026 , G01P3/488 , G01R33/07
摘要： The invention provides a high-accuracy and high-reliability magnetic sensor which can be produced with a high production yield at a low cost. The magnetic sensor includes: a main sensor unit including: an intermediate part in the form of a short rectangular prism serving as a fitting part; a seating formed on one end face of the intermediate part such that the seating has a step shape and such that the exterior circumferential surface of the seating serves as a fitting-in portion; a main part disposed at a right angle on the principal surface of the seating, the main part including: a sensor element disposed on the end of the main part; a permanent magnet disposed adjacent to the sensor element; and an electronic component; and a connector extending from the intermediate part; and a case including: a sleeve in the form of a cylinder with a closed end and an open end, the sleeve having a receiving portion formed on the open end, the sleeve having a sealed space serving as a space in which the main part is placed; and a holding part extending from the sleeve and including a receiving part and a separation stopper; wherein the magnetic sensor is characterized in that a liquid reservoir space is formed between the fitting-in portion and the receiving portion along the circumference, and the liquid reservoir space is filled with liquid packing.
摘要翻译：本发明提供了一种高精度和高可靠性的磁传感器，其可以以低成本生产高产率。磁传感器包括：主传感器单元，包括：作为配合部分的短矩形棱镜形式的中间部分; 在所述中间部的一个端面形成的座部，使得所述座部具有台阶形状，并且所述座部的所述外周面形成为嵌合部; 所述主体部分以直角设置在所述座的主表面上，所述主要部分包括：传感器元件，设置在所述主要部分的端部; 设置在传感器元件附近的永磁体; 和电子元件; 以及从所述中间部延伸的连接器。以及壳体，其包括：具有封闭端和开口端的圆柱形的套筒，所述套筒具有形成在所述开口端上的容纳部分，所述套筒具有用作主要部分的空间的密封空间放置以及保持部，其从所述套筒延伸并且包括容纳部和分离止动件; 其特征在于，所述磁性传感器的特征在于，在所述安装部与所述容纳部之间形成有沿着所述圆周的液体储存空间，所述储液空间填充有液体填充物。

23. 发明授权

US5801529A Magnetoresistance sensing device without hystersis influence 失效
标题翻译：磁阻传感器无滞后影响
公开(公告)号：US5801529A
公开(公告)日：1998-09-01
申请号：US740623
申请日：1996-10-31
申请人： Hideki Umemoto , Naoki Hiraoka , Wataru Fukui , Yutaka Ohashi , Masahiro Yokotani
发明人： Hideki Umemoto , Naoki Hiraoka , Wataru Fukui , Yutaka Ohashi , Masahiro Yokotani
IPC分类号： G01B7/30 , F02D35/00 , G01B7/00 , G01D5/14 , G01D5/16 , G01D5/18 , G01D5/245 , G01R33/09 , G01B7/14 , G01R33/06 , F62B53/06
CPC分类号： G01D5/147
摘要： The invention provides a sensing device capable of outputting a correct signal precisely corresponding to a particular position (angle) of, for example a protruding or recessed portion of a rotating member made of a magnetic material. The sensing device includes: a magnet for generating magnetic field; a rotary member of magnetic material for changing a magnetic field generated by the magnet, the rotary member of magnetic material being disposed a predetermined distance apart from the magnet; and a giant magnetoresistance device for detecting the varying magnetic field, the operating range of the giant magnetoresistance device being set such that the change in resistance of the giant magnetoresistance device is uniform over the entire operating range in both directions of change in the magnetic field induced by the rotary member of magnetic material, wherein the giant magnetoresistance device is disposed in such a manner that the center of the magnetic field sensing plane of the giant magnetoresistance device deviates from the center of the magnet in a direction parallel to a plane containing the displacement direction of the rotary member of magnetic material.
摘要翻译：本发明提供一种感测装置，其能够输出精确对应于由磁性材料制成的旋转构件的突出或凹陷部分的特定位置（角度）的正确信号。感测装置包括：用于产生磁场的磁体; 用于改变由所述磁体产生的磁场的磁性材料的转动件，所述磁性材料的所述转动件与所述磁体隔开预定距离; 以及用于检测变化的磁场的巨磁电阻装置，巨磁电阻装置的工作范围被设定为使得巨磁电阻装置的电阻变化在整个工作范围内在磁场变化的两个方向上是均匀的通过磁性材料的旋转构件，其中巨磁电阻装置以这样的方式设置，使得巨磁电阻装置的磁场感测平面的中心在与包含位移的平面平行的方向上偏离磁体的中心磁性材料的旋转构件的方向。

24. 发明授权

US07863195B2 Chemical solution feeding apparatus and method for preparing slurry 有权
标题翻译：化学溶液进料装置及其制备方法
公开(公告)号：US07863195B2
公开(公告)日：2011-01-04
申请号：US12076168
申请日：2008-03-14
申请人： Naoki Hiraoka , Hiroshi Osuda , Hotaka Yamamoto
发明人： Naoki Hiraoka , Hiroshi Osuda , Hotaka Yamamoto
IPC分类号： B24B37/04
CPC分类号： B24B57/02 , B24B37/04 , Y10T137/0329 , Y10T137/0335
摘要： An apparatus for feeding slurry to an external device. The apparatus includes a preparation tank for preparing the slurry. A circulation pipe is connected to the preparation tank to circulate the slurry. A feeding pipe is connected between the preparation tank and the external device to feed the external device with the slurry. A pump sends the chemical solution in the preparation tank to the circulation pipe and the feeding pipe. A concentration detector is arranged downstream to the pump to detect the concentration of the slurry. A controller controls the concentration of the chemical solution in the preparation tank in accordance with the detection value of the concentration detector and controls the feeding of the chemical solution.
摘要翻译：一种用于将浆料供给到外部装置的装置。该装置包括用于制备浆料的制备罐。循环管连接到制备罐以使浆料循环。供料管连接在准备罐和外部装置之间，以便向浆料供给外部装置。泵将制剂罐中的化学溶液送至循环管和进料管。浓度检测器布置在泵的下游以检测浆料的浓度。控制器根据浓度检测器的检测值控制制剂罐中化学溶液的浓度，并控制化学溶液的供给。

25. 发明授权

US07468604B2 Magnetic detector maintaining high detection precision without affected by the temperature characteristics of the sensing element 有权
标题翻译：磁检测器保持高检测精度，而不受传感元件的温度特性的影响
公开(公告)号：US07468604B2
公开(公告)日：2008-12-23
申请号：US11645520
申请日：2006-12-27
申请人： Masahiro Yokotani , Naoki Hiraoka
发明人： Masahiro Yokotani , Naoki Hiraoka
IPC分类号： G01B7/30
CPC分类号： G01D5/24438
摘要： A magnetic detector, wherein the magnetic/electric conversion element is constituted by at least six segments symmetrically arranged in a direction in which the magnetic moving body rotates maintaining a predetermined pitch with respect to the center line of the magnet, first and second bridge circuits are constituted so as to produce outputs accompanying the rotation of the magnetic moving body, and a third bridge circuit is constituted so as to produce an output accompanying the rotation of the magnetic moving body, and wherein a comparison level of a comparator circuit that shapes the waveform of a differential output signal of the first and second bridge circuits is adjusted relying upon an output signal of the third bridge circuit.
摘要翻译：一种磁检测器，其中磁/电转换元件由至少六个片段构成，所述至少六个片段沿磁性移动体旋转的方向对称地保持相对于磁体的中心线的预定间距，第一和第二桥接电路是构成为产生伴随着磁性体的旋转的输出，第三桥接电路被构成为产生伴随着磁性体的旋转的输出，并且，比较电路的比较电平，根据第三桥接电路的输出信号调整第一和第二桥接电路的差分输出信号。

26. 发明授权

US07157904B1 Magnetic detection apparatus 有权
标题翻译：磁检测装置
公开(公告)号：US07157904B1
公开(公告)日：2007-01-02
申请号：US11447104
申请日：2006-06-06
申请人： Masahiro Yokotani , Naoki Hiraoka
发明人： Masahiro Yokotani , Naoki Hiraoka
IPC分类号： G01B7/30
CPC分类号： G01D5/147
摘要： A magnetic detection apparatus is able to make a selection between AC coupling and DC coupling thereby to improve the accuracy of a final output signal corresponding to a magnetic movable element, thus making it possible to ensure excellent detection performance. The magnetic detection apparatus with a sensor composed of magnetoresistive elements (2a, 2b) for detecting the strength of a magnetic field includes a first comparison circuit (31) that has a first comparison level (VR1), and waveform shapes the amplitude of a detection signal (C) from the magnetoresistive elements (2a, 2b) through DC coupling, a second comparison circuit (32) that has a second comparison level (VR2), and waveform shapes the amplitude of the detection signal C through DC coupling, and a third comparison circuit (33) that has a third comparison level VR3, and waveform shapes the amplitude of the detection signal C after AC coupling.
摘要翻译：磁检测装置能够进行交流耦合和直流耦合之间的选择，从而提高对应于磁性可移动元件的最终输出信号的精度，从而可以确保优异的检测性能。具有由用于检测磁场强度的磁阻元件（2a，2b）组成的传感器的磁检测装置包括具有第一比较电平（VR 1）的第一比较电路（31），波形使振幅通过DC耦合来自磁阻元件（2a，2b）的检测信号（C）;具有第二比较电平（VR2）的第二比较电路（32），以及波形使检测信号C 以及具有第三比较电平VR 3的第三比较电路（33），并且在AC耦合之后波形对检测信号C的幅度进行整形。

27. 发明授权

US5982171A Sensing device for detecting the angular displacement and relative position of a member of magnetic material 失效
标题翻译：用于检测磁性材料构件的角位移和相对位置的感测装置
公开(公告)号：US5982171A
公开(公告)日：1999-11-09
申请号：US742504
申请日：1996-11-01
申请人： Hideki Umemoto , Naoki Hiraoka , Wataru Fukui , Yutaka Ohashi , Masahiro Yokotani
发明人： Hideki Umemoto , Naoki Hiraoka , Wataru Fukui , Yutaka Ohashi , Masahiro Yokotani
IPC分类号： G01P3/488 , F02D35/00 , F02D45/00 , G01D5/14 , G01D5/16 , G01D5/18 , G01D5/245 , G01R33/09 , G01B7/30 , F02P7/067 , G01P3/481
CPC分类号： G01D5/147
摘要： A sensing device capable of outputting a correct signal precisely corresponding to a particular position (angle) of, for example a protruding or recessed portion of a rotating member made of a magnetic material as soon as the electric power of the sensing device is turned on. The sensing device includes: a magnet for generating a magnetic field; a rotary member of magnetic material for changing the magnetic field generated by the magnet, the rotary member being disposed at a predetermined distance apart from the magnet; a giant magnetoresistance device which changes in resistance in response to the magnetic field whose magnitude is changed by the rotary member of magnetic material; and a differential amplifier for detecting the displacement of said rotary member of magnetic material and also the relative position of said rotary member of magnetic material with respect to said giant magnetoresistance device when said rotary member of magnetic material is at rest, on the basis of the output signal of said giant magnetoresistance device.
摘要翻译：一旦感测装置的电力接通，能够输出精确地对应于由磁性材料制成的旋转构件的旋转构件的突出或凹陷部分的特定位置（角度）精确对准的信号。感测装置包括：用于产生磁场的磁体; 用于改变由磁体产生的磁场的磁性材料的旋转构件，旋转构件设置在与磁体隔开预定距离处; 一种巨磁阻装置，其响应于由磁性材料的旋转构件改变其大小的磁场而改变电阻; 以及差分放大器，用于当所述磁性材料的所述旋转构件静止时，检测所述磁性材料的所述旋转构件的位移以及所述磁性材料的旋转构件相对于所述巨磁阻装置的相对位置，所述巨磁电阻器件的输出信号。

28. 发明授权

US5789919A Magnetoresistance sensing device with increased magnetic field detection efficiency 失效
标题翻译：具有增加磁场检测效率的磁阻检测装置
公开(公告)号：US5789919A
公开(公告)日：1998-08-04
申请号：US741690
申请日：1996-10-31
申请人： Hideki Umemoto , Naoki Hiraoka , Wataru Fukui , Yutaka Ohashi , Masahiro Yokotani
发明人： Hideki Umemoto , Naoki Hiraoka , Wataru Fukui , Yutaka Ohashi , Masahiro Yokotani
IPC分类号： G01P3/488 , F02D35/00 , F02D45/00 , G01D5/14 , G01D5/16 , G01D5/18 , G01D5/245 , G01R33/09 , G01V3/08 , G01B7/14 , F02B53/06 , G01R33/06
CPC分类号： G01D5/147 , G01R33/09 , G01V3/08
摘要： The invention provides a sensing device capable of outputting a high-accuracy signal precisely corresponding to a particular position (angle) of a rotating member made of a magnetic material without being disturbed by external noise. The sensing device includes: a magnet for generating a magnetic field; a rotating member made of a magnetic material, for changing the magnetic field generated by the magnet, the rotating member being disposed a predetermined distance apart from the magnet; and a giant magnetoresistance device whose resistance changes in response to the change in the magnetic field caused by the rotating member of magnetic material, wherein the size L.sub.3 of the magnetic field sensing plane of the giant magnetoresistance device is set to a value less than the smallest value of the dimensions L.sub.1 and L.sub.2 of the protruding and recessed portions of the rotating member of magnetic material, that is, the size L.sub.3 of the magnetic field sensing plane is set so that the following conditions are satisfied: L.sub.3 .ltoreq.L.sub.1 and L.sub.3 .ltoreq.L.sub.2.
摘要翻译：本发明提供一种感测装置，其能够输出精确对应于由磁性材料制成的旋转构件的特定位置（角度）而不被外部噪声干扰的高精度信号。感测装置包括：用于产生磁场的磁体; 由磁性材料制成的用于改变由磁体产生的磁场的旋转构件，旋转构件与磁体隔开预定距离; 以及响应于由磁性材料的旋转构件引起的磁场变化的电阻变化的巨磁电阻装置，其中巨磁电阻装置的磁场感测平面的尺寸L3被设定为小于最小值磁性材料的旋转构件的突出和凹陷部分的尺寸L1和L2的值，即磁场感测平面的尺寸L3被设置为使得满足以下条件：L3

29. 发明授权

US07705584B2 Magnetic sensor 有权
标题翻译：磁传感器
公开(公告)号：US07705584B2
公开(公告)日：2010-04-27
申请号：US11484766
申请日：2006-07-12
申请人： Masahiro Yokotani , Naoki Hiraoka
发明人： Masahiro Yokotani , Naoki Hiraoka
IPC分类号： G01P3/44 , G01B7/30 , H01L43/08
CPC分类号： G01P13/045 , G01P3/488
摘要： The magnetic sensor in the invention is arranged to detect a change of magnetic field caused by a movement of the magnetic movable by a magnetic sensor element arranged with a gap to the magnetic movable, to convert the detected change of magnetic field by first and second bridge circuits into electric signals, to generate first and second rectangular-wave signals by first and second comparator circuits depending upon the electric signals, and to form a signal having at least four levels by a signal forming circuit, thereby detecting a moving direction of the magnetic movable depending upon a level-change order in the signal. This makes it possible to detect a rotating direction of the magnetic movable rapidly and correctly.
摘要翻译：本发明的磁传感器被设置为检测由磁性传感器元件移动的可移动的磁性元件所引起的磁场的变化，所述磁性传感器元件具有间隙的磁性可移动，以便通过第一和第二桥接器来检测检测到的磁场变化电路转换为电信号，根据电信号由第一和第二比较器电路产生第一和第二矩形波信号，并且通过信号形成电路形成具有至少四个电平的信号，从而检测磁性的移动方向根据信号中的电平变化顺序可移动。这使得可以快速且正确地检测磁性移动的旋转方向。

30. 发明申请

US20070170913A1 Magnetic detection apparatus 审中-公开
标题翻译：磁检测装置
公开(公告)号：US20070170913A1
公开(公告)日：2007-07-26
申请号：US11414482
申请日：2006-05-01
申请人： Masahiro Yokotani , Naoki Hiraoka
发明人： Masahiro Yokotani , Naoki Hiraoka
IPC分类号： G01B7/14
CPC分类号： G01D5/147
摘要： A magnetic detection apparatus can reduce the cost of production to a substantially extent. The magnetic detection apparatus includes a magnetic movable element (1) having a first groove (1a) and a second groove (1b) that are different in diametral depth from each other, a magnetoresistive segment (3a) that is arranged apart from the magnetic movable element (1) so as to come in opposition to the first and second grooves (1a, 1b) in accordance with the moving magnetic movable element (1), a magnet (5) that is arranged in the vicinity of the magnetoresistive segment (3a) for applying a magnetic field thereto, and a processing circuit part (4) that generates different output signals in accordance with a change of the magnetic field applied to the magnetoelectric conversion element (3a) which is caused in accordance with the first and second grooves (1a, 1b) in opposition to said processing circuit part (4).
摘要翻译：磁检测装置可以大幅度地降低生产成本。磁检测装置包括具有彼此不同直径深度的第一凹槽（1a）和第二凹槽（1b）的磁性可移动元件（1），分隔开的磁阻部分（3a）所述磁性可动元件（1）根据所述移动磁性可动元件（1）与所述第一和第二凹槽（1a，1b）相对;磁体（5），其布置在用于向其施加磁场的磁阻部分（3a），以及根据施加到磁电转换元件（3a）上的磁场的变化产生不同输出信号的处理电路部分（4）根据与所述处理电路部分（4）相对的第一和第二凹槽（1a，1b）。

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