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    • 47. 发明专利
    • Magnetic field direction detector
    • 磁场方向探测器
    • JP2014085339A
    • 2014-05-12
    • JP2013213513
    • 2013-10-11
    • Analog Devices Incアナログ・デバイシズ・インコーポレーテッド
    • JAN KUBIK
    • G01R33/09G01R33/02
    • G01R33/0017G01R33/0035G01R33/09
    • PROBLEM TO BE SOLVED: To provide a magnetic field direction detector.SOLUTION: The magnetic field direction detector detects whether a magnetic flux has a component of field from a first side or a second side of a detection axis or not and comprises a first magneto-resistive sensor and a perturbation generator. The perturbation generator causes an external magnetic field to be pe perturbed, and as a result, an apparent direction of flux is changed by an angle θat the first magneto-resistive sensor. The magnetic field direction detector further comprises a second magneto-resistive sensor, and the apparent direction of flux is changed by an angle θat the second magneto-resistive sensor due to the perturbation generator. Thus relative resistances of the first and second magneto-resistive sensors vary with respect to each other.
    • 要解决的问题:提供磁场方向检测器。解决方案:磁场方向检测器检测磁通量是否具有来自检测轴的第一侧或第二侧的场分量,并且包括第一磁 - 电阻传感器和扰动发生器。 扰动发生器引起外部磁场扰动,结果,在第一磁阻传感器处,通量的明显方向改变角度和角度。 磁场方向检测器还包括第二磁阻传感器,并且磁通的表观方向由角度和角度改变;在第二磁阻传感器处由于扰动发生器而变化。 因此,第一和第二磁阻传感器的相对电阻相对于彼此变化。