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    • 3. 发明申请
    • Angle detecting apparatus
    • 角度检测装置
    • US20080265877A1
    • 2008-10-30
    • US12081854
    • 2008-04-22
    • Yukihiro KatoMasashi MomiyamaNoriaki Fujita
    • Yukihiro KatoMasashi MomiyamaNoriaki Fujita
    • G01B7/30
    • G01D5/245
    • An angle detection apparatus includes a rotation member including at least one north magnetic polar region and at least one south magnetic polar region alternately arranged around a rotation center, a magnetic field detecting portion having a magnetic plate and detecting elements detecting magnitudes of magnetic components in a direction perpendicular to the magnetic plate, and a computing unit determining a rotation angle of the rotation member, wherein the magnetic field detecting portion is disposed so that the magnetic plate is oriented perpendicular to a first direction, where magnetic field intensity is at its maximum, and the magnetic field detecting portion detects the magnitudes of the magnetic components in the first direction and a second direction corresponding to a direction that the north and south magnetic polar regions are circumferentially arranged.
    • 角度检测装置包括旋转构件,该旋转构件包括至少一个北极性区域和围绕旋转中心交替布置的至少一个南极性极区域,具有磁性板的磁场检测部分和检测元件中的磁性成分的检测元件 以及计算单元,其确定所述旋转构件的旋转角度,其中所述磁场检测部分设置成使得所述磁性板垂直于磁场强度处于其最大值的第一方向定向, 并且磁场检测部分检测第一方向上的磁性分量的大小和与北极和南极极区域周向布置的方向相对应的第二方向。
    • 5. 发明授权
    • Angular sensor with a magneto-electric transducer and a magnetic deflection device
    • 具有磁电变换器和磁偏转装置的角传感器
    • US07030606B2
    • 2006-04-18
    • US10206953
    • 2002-07-30
    • Yukihiro KatoKenichi TaguchiSatoru Tagawa
    • Yukihiro KatoKenichi TaguchiSatoru Tagawa
    • G01B7/30
    • G01D3/02G01D5/145
    • An angular sensor which enables to obtain an output signal proportional to a relative rotational angle with low manufacturing cost and with miniaturized size. An angular sensor which includes a first magnet and a second magnet fixed to a rotation body, magnetic flux sensing surface is fixed to the stator to be positioned in magnetic field between the first magnet and the second magnet and perpendicular to magnetic sensing direction for sensing a magnetic flux, a magneto-electric transducer element for outputting an electric signal corresponding to a magnetic sensing direction element of the magnetic density, deflection yokes. The deflection yokes are positioned facing the magnetic flux sensing surfaces. The deflection yokes are positioned within a range of three quarters of a distance between the first magnet and the second magnet in X-axis direction and one half of a distance between the first magnet and the second magnet in Y-axis direction.
    • 一种角度传感器,其能够以低制造成本和小尺寸的尺寸获得与相对旋转角度成比例的输出信号。 一种角度传感器,其包括固定到旋转体的第一磁体和第二磁体,磁通检测表面固定到定子,以定位在第一磁体和第二磁体之间的磁场中,并且垂直于磁感应方向,用于感测 磁通量,用于输出对应于磁密度的磁感测方向元件的电信号的磁电换能器元件,偏转轭。 偏转轭定位成面对磁通量感测表面。 偏转轭位于第一磁铁和第二磁体之间的距离为X轴方向的四分之三的范围内,第一磁铁与第二磁体之间的距离为Y轴方向的一半。