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    • 8. 发明授权
    • Piezoelecric shock sensor
    • 压电式震动传感器
    • US06031317A
    • 2000-02-29
    • US931833
    • 1997-09-17
    • Steven Chien-Young Chen
    • Steven Chien-Young Chen
    • G01P15/00G01P15/08G01P15/09G01P15/18G11B19/04H01L41/08
    • G01P15/0915G01P15/0888G01P15/18
    • A shock sensor sensitive to linear shocks along two axes and to rotational shocks in a given plane and comprised of two piezoelectric sensors and an integrated circuit is disclosed. The first piezoelectric sensor is polarized in a direction that is angularly offset from a plane in which the shock sensor lies and produces a first response to shocks having components along a first and a second orthogonal axis that define a plane perpendicular to the plane in which the shock sensor lies. The second piezoelectric sensor is polarized in a direction that is angularly offset from the plane in which the sensor lies and that is angularly offset 180.degree. from the first direction. The second piezoelectric sensor produces a second response to shocks having components along the first and second orthogonal axis. The integrated circuit is responsive to the first and second responses and produces a signal indicating a linear shock and a signal indicating a rotational shock by combining the first and second responses.
    • 公开了一种对两轴的线性冲击敏感的冲击传感器和给定平面中的旋转冲击,并包括两个压电传感器和集成电路。 第一压电传感器在与冲击传感器所在的平面成角度地偏移的方向上极化,并且产生对沿着第一和第二正交轴线的分量的冲击的第一响应,该第一和第二正交轴限定垂直于平面的平面, 震动传感器位于。 第二压电传感器在与传感器所在的平面成角度偏移的方向上被偏振,并且与第一方向成角度偏移180°。 第二压电传感器对具有沿着第一和第二正交轴线的部件的冲击产生第二响应。 集成电路响应于第一和第二响应,并且通过组合第一和第二响应产生指示线性冲击的信号和指示旋转冲击的信号。