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    • 5. 发明授权
    • Sensor module and sensor system
    • 传感器模块和传感器系统
    • US09279827B2
    • 2016-03-08
    • US13976372
    • 2011-11-24
    • Daisuke MaedaHeewon JeongMasahide Hayashi
    • Daisuke MaedaHeewon JeongMasahide Hayashi
    • G01P21/00G01C19/5776G01C21/16
    • G01P21/00G01C19/5776G01C21/16
    • Reliability and accuracy of a sensor are secured while adjustment cost of a sensor module is suppressed. A signal component analysis part 10 receives a signal output from a signal processing part 7 before passing through a low-pass filter 8, analyzes whether or not application of a fragile frequency with respect to a physical quantity is equal to or more than a threshold level, if the application of the fragile frequency is equal to or more than the threshold level, outputs output stop signals to output signal control parts 9, 16. The output signal control parts 9, 16 receive control signals output from the signal component analysis part 10, and outputs an acceleration signal and a physical quantity signal from which noise has been removed by the low-pass filters 8, 15 through the signal processing parts 7, 14.
    • 确保传感器模块的调整成本得到抑制,从而确保传感器的可靠性和精度。 信号分量分析部分10在通过低通滤波器8之前接收从信号处理部分7输出的信号,分析相对于物理量的脆弱频率的施加是否等于或大于阈值水平 如果脆弱频率的应用等于或大于阈值电平,则将输出停止信号输出到输出信号控制部9,16。输出信号控制部9,16接收从信号分量分析部10输出的控制信号 并且通过信号处理部件7,14输出通过低通滤波器8,15除去噪声的加速度信号和物理量信号。
    • 10. 发明授权
    • Inertia sensor
    • 惯性传感器
    • US09182421B2
    • 2015-11-10
    • US13807284
    • 2011-05-25
    • Heewon JeongMunenori DegawaMasahide Hayashi
    • Heewon JeongMunenori DegawaMasahide Hayashi
    • G01C19/56G01C19/5719G01C19/5747G01C19/574
    • G01P9/04G01C19/5719G01C19/574G01C19/5747
    • This invention is directed to provision of high-performance inertial sensor that can sustain SNR even in an environment where vibration disturbance exists. A vibration type inertial sensor comprises: two deadweights (2, 3); means (C1, C2, C3, C4, +vd, −vd) for displacing the two dead weights in the anti-phase; two sets of electrodes (C5, C6, C7, C8) for detecting, as capacitance changes, the displacements of the two dead weights; and a C/V converting unit (53) for converting the capacitance changes of the electrodes to electric signals. In the vibration type inertial sensor, a set of electrodes (e.g., C5 and C8), which exhibit an increased electrostatic capacitance therebetween in the case where the two dead weights (2, 3) are displaced in the anti-phase, are electrically connected to each other, and a set of electrodes (e.g., C6 and C7), which exhibit a reduced electrostatic capacitance therebetween in the foregoing case, are electrically connected to each other, and further these sets of electrodes are connected to the C/V converting unit (53).
    • 本发明涉及提供即使在存在振动扰动的环境中也能维持SNR的高性能惯性传感器。 振动型惯性传感器包括:两个绞车(2,3); 意味着用于在反相中移位两个死重的(C1,C2,C3,C4,+ vd,-vd) 两组电极(C5,C6,C7,C8),用于随着电容的变化检测两个死重的位移; 以及用于将电极的电容变化转换为电信号的C / V转换单元(53)。 在振动型惯性传感器中,在两个死重(2,3)以反相位移的情况下,一组电极(例如,C5和C8)电连接在一起,这些电极在静电电容之间呈现增加的静电电容 并且在上述情况下在其间显示减小的静电电容的一组电极(例如,C6和C7)彼此电连接,并且这些电极组还连接到C / V转换器 单位(53)。