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    • 9. 发明申请
    • CURRENT SENSOR
    • 电流传感器
    • US20140111196A1
    • 2014-04-24
    • US14123820
    • 2012-06-26
    • Ryosuke SakaiTakamasa KinparaNorihiro KurumadoKousuke Nomura
    • Ryosuke SakaiTakamasa KinparaNorihiro KurumadoKousuke Nomura
    • G01R19/00
    • G01R19/0092G01R15/205G01R33/093
    • A current sensor for measuring a current flowing through a conductor includes a sensor substrate, a magnetoelectric converter formed on a surface of the sensor substrate and configured to output a signal changing with an applied magnetic field, and a magnetic shield that surrounds the sensor substrate and the conductor to magnetically shield the inside from the outside. The output signal of the magnetoelectric converter changes with a magnetic filed applied along the formation surface of the sensor substrate. The magnetic shield has at least one gap for reducing magnetic saturation in the magnetic shield. The gap and the sensor substrate are located at the same height in a z-direction orthogonal to the formation surface of the sensor substrate.
    • 用于测量流过导体的电流的电流传感器包括传感器基板,形成在传感器基板的表面上并被配置为输出利用施加的磁场变化的信号的磁电转换器和围绕传感器基板的磁屏蔽, 导体将外部的内部磁屏蔽。 磁电转换器的输出信号随着沿着传感器基板的形成表面施加的磁场而变化。 磁屏蔽具有至少一个用于减小磁屏蔽中的磁饱和的间隙。 间隙和传感器基板位于与传感器基板的形成表面正交的z方向上相同的高度。