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1.发明授权公开(公告)号：US09581633B2
公开(公告)日：2017-02-28
申请号：US14380626
申请日：2012-10-30
Applicant: Showa Corporation
Inventor： Hiroyuki Muto
IPC: G01R31/02 , B62D6/10 , G01L11/02 , G01L25/00 , G01M13/02 , G01L3/10 , B62D5/04 , G01B7/30 , G01D5/14 , G01D5/245
CPC classification number: G01R31/025 , B62D5/049 , B62D6/10 , G01B7/30 , G01D5/145 , G01D5/2451 , G01L3/101 , G01L11/025 , G01L25/003 , G01M13/02
Abstract: A relative angle detection apparatus includes a first magnetometric sensor and a first voltage amplifier that output a signal corresponding to a relative rotation angle between a first rotation shaft and a second rotation shaft; a first amplifier circuit that amplifies the output signal of the first voltage amplifier; a second magnetometric sensor and a second voltage amplifier that output a signal that corresponds to the relative rotation angle; a second amplifier circuit that amplifies the output signal of the second voltage amplifier; a first resistor that is provided between the first amplifier circuit and a power supply terminal, or between the first amplifier circuit and a GND terminal; and a second resistor that is provided between the second amplifier circuit and the power supply terminal, or between the second amplifier circuit and the GND terminal.
Abstract translation: 相对角度检测装置包括第一磁力计传感器和第一电压放大器，其输出对应于第一旋转轴和第二旋转轴之间的相对旋转角度的信号; 第一放大电路，放大第一电压放大器的输出信号; 第二磁力计传感器和输出对应于相对旋转角度的信号的第二电压放大器; 第二放大器电路，放大第二电压放大器的输出信号; 第一电阻器，设置在第一放大电路和电源端子之间，或第一放大电路与GND端子之间; 以及设置在第二放大器电路和电源端子之间或第二放大器电路和GND端子之间的第二电阻器。
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公开(公告)号：US20150015270A1
公开(公告)日：2015-01-15
申请号：US14380626
申请日：2012-10-30
Applicant: SHOWA CORPORATION
Inventor： Hiroyuki Muto
CPC classification number: G01R31/025 , B62D5/049 , B62D6/10 , G01B7/30 , G01D5/145 , G01D5/2451 , G01L3/101 , G01L11/025 , G01L25/003 , G01M13/02
Abstract: A relative angle detection apparatus includes a first magnetometric sensor and a first voltage amplifier that output a signal corresponding to a relative rotation angle between a first rotation shaft and a second rotation shaft; a first amplifier circuit that amplifies the output signal of the first voltage amplifier; a second magnetometric sensor and a second voltage amplifier that output a signal that corresponds to the relative rotation angle; a second amplifier circuit that amplifies the output signal of the second voltage amplifier; a first resistor that is provided between the first amplifier circuit and a power supply terminal, or between the first amplifier circuit and a GND terminal; and a second resistor that is provided between the second amplifier circuit and the power supply terminal, or between the second amplifier circuit and the GND terminal.
Abstract translation: 相对角度检测装置包括第一磁力计传感器和第一电压放大器，其输出对应于第一旋转轴和第二旋转轴之间的相对旋转角度的信号; 第一放大电路，放大第一电压放大器的输出信号; 第二磁力计传感器和输出对应于相对旋转角度的信号的第二电压放大器; 第二放大器电路，放大第二电压放大器的输出信号; 第一电阻器，设置在第一放大电路和电源端子之间，或第一放大电路与GND端子之间; 以及设置在第二放大器电路和电源端子之间或第二放大器电路和GND端子之间的第二电阻器。
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公开(公告)号：US09766284B2
公开(公告)日：2017-09-19
申请号：US15007462
申请日：2016-01-27
Applicant: Showa Corporation
Inventor： Hiroyuki Muto
CPC classification number: G01R31/2829 , B62D5/046 , G01D3/08 , G01R31/025
Abstract: A sensor fault detection circuit includes: a first amplifier circuit that includes a first pair of elements operating reversely to each other, and amplifies a first sensor signal input from a first voltage amplifier; a second amplifier circuit that includes a second pair of elements operating reversely to each other, and amplifies a second sensor signal input from the second voltage amplifier; and a fault diagnosis unit that detects abnormality of a first voltage signal or a second voltage signal based on the first voltage signal output from the first amplifier circuit and the second voltage signal output from the second amplifier circuit. Characteristics of the first pair of elements are asymmetrical to each other, and characteristics of the second pair of elements are asymmetrical to each other in a same relationship with a relationship of the asymmetry between the characteristics of the first pair of elements.
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公开(公告)号：US09459165B2
公开(公告)日：2016-10-04
申请号：US14520898
申请日：2014-10-22
Applicant: Showa Corporation
Inventor： Yohei Hama , Hiroyuki Muto , Kiyokazu Okado
Abstract: A sensor unit includes a collector and a sensor housing. The collector faces a stator guiding a magnetic flux, with a void between the collector and the stator, and collectively attracts the magnetic flux guided by the stator. The sensor housing has a wall covering outside of the collector, and holds the collector. A clearance is formed between an opposite surface of the collector to a surface thereof facing the stator, and the wall of the sensor housing.
Abstract translation: 传感器单元包括收集器和传感器外壳。 集电器面向引导磁通的定子，在集电器和定子之间具有空隙，并且共同地吸引由定子引导的磁通量。 传感器外壳具有覆盖收集器外部的壁，并保持收集器。 在收集器的相对表面与面向定子的表面和传感器壳体的壁之间形成间隙。
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