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    • 80. 发明公开
    • HALL EFFECT SENSOR AND SYSTEM WITH IMPROVED SENSITIVITY
    • 霍尔效应传感器和系统具有改进的灵敏度
    • EP3180628A1
    • 2017-06-21
    • EP14755526.2
    • 2014-08-13
    • The Timken Company
    • WANG, Lei
    • G01R33/00G01R33/07
    • A Hall effect sensor system for detecting magnetic fields includes a Hall effect sensor having a central body with a substantially square shape, a first pair of outwardly oriented and opposing arms projecting outwardly from opposing sides of the central body and a second pair of outwardly oriented and opposing arms projecting outwardly transverse from the first pair of arms to form a cross-shape. Each of the arms has a plurality of fingers projecting outwardly therefrom and electrodes are provided on the fingers. In operation, at least two electrodes on the first pair of opposing arms provide a path for bias current through the Hall effect sensor. An electrode on each of the second pair of opposing arms senses voltage formed in the Hall effect sensor by a magnetic field and provides an output to an amplifier.
    • 一种用于检测磁场的霍尔效应传感器系统包括霍尔效应传感器,该霍尔效应传感器具有基本呈正方形的中心体,从中心体的相对侧向外突出的第一对向外定向的相对臂和第二对向外定向的 相对的臂从第一对臂横向向外伸出以形成十字形。 每个臂具有从其向外突出的多个指状物,并且电极设置在指状物上。 在操作中,第一对相对的臂上的至少两个电极为通过霍尔效应传感器的偏置电流提供路径。 第二对相对臂中的每一个臂上的电极通过磁场感测在霍尔效应传感器中形成的电压,并将输出提供给放大器。