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    • 37. 发明申请
    • Angular velocity sensor
    • 角速度传感器
    • US20100050767A1
    • 2010-03-04
    • US12585052
    • 2009-09-01
    • Hirofumi HiguchiTetsuo FujiiMasaki Inoue
    • Hirofumi HiguchiTetsuo FujiiMasaki Inoue
    • G01C19/56
    • G01C19/5719
    • An angular velocity sensor includes first and second oscillators and a coupling beam. The coupling beam couples the first and second oscillators together in such a manner that the first and second oscillators vibrate relative to each other in a predetermined direction. The coupling beam includes a first post portion joined to a surface of the first oscillator, a second post portion joined to a surface of the second oscillator, and a spring portion that joins the first post portion to the second post portion. The spring portion is spaced from the first and second oscillators and has elasticity in the predetermined direction.
    • 角速度传感器包括第一和第二振荡器和耦合梁。 耦合光束以第一和第二振荡器在预定方向上相对于彼此振动的方式将第一和第二振荡器耦合在一起。 耦合梁包括接合到第一振荡器的表面的第一柱部分,与第二振荡器的表面接合的第二柱部分,以及将第一柱部分连接到第二柱部分的弹簧部分。 弹簧部分与第一和第二振荡器间隔开,并且在预定方向上具有弹性。
    • 38. 发明授权
    • Electrostatically oscillated device
    • 静电摆动装置
    • US07276834B2
    • 2007-10-02
    • US11489682
    • 2006-07-20
    • Hirofumi Higuchi
    • Hirofumi Higuchi
    • H02N1/00G01P15/125G01P15/00G01P3/44
    • G01C19/5762
    • An oscillator is oscillatable in a predetermined direction. First and second driving electrodes are secured to the base and apply an electrostatic force to the oscillator to make drive oscillation of the oscillator in the predetermined direction. At the time of the drive oscillation of the oscillator, a predetermined electric charge is accumulated in the oscillator, and electric charges of opposite polarities are alternately and periodically accumulated in the first and second driving electrodes, respectively, to exert an attractive force between the oscillator and a corresponding one of the first and second driving electrodes and also to exert a repulsive force between the oscillator and the other one of the first and second driving electrodes, and vice versa.
    • 振荡器可在预定方向上振荡。 第一驱动电极和第二驱动电极固定到基座并向振荡器施加静电力,以使振荡器在预定方向上的驱动振荡。 在振荡器的驱动振荡时,在振荡器中累积预定的电荷,相反极性的电荷分别交替地周期地累积在第一和第二驱动电极中,以在振荡器之间施加吸引力 以及第一和第二驱动电极中的相应一个,并且还在振荡器和第一和第二驱动电极中的另一个之间施加排斥力,反之亦然。
    • 39. 发明授权
    • Vibration type angular velocity sensor
    • 振动式角速度传感器
    • US07028548B2
    • 2006-04-18
    • US10811877
    • 2004-03-30
    • Hirofumi HiguchiTakeshi Ito
    • Hirofumi HiguchiTakeshi Ito
    • G01P9/04
    • G01C19/5719
    • To cancel in-phase components acting on vibrators of first and second sensor units in an angular velocity sensing direction Y, a differential amplification circuit obtains a differential waveform between a first angular velocity sensing waveform J1 and a second angular velocity waveform J2. Furthermore, to reduce a residual in-phase component of the obtained differential waveform, input gain adjusting circuits adjust an input gain of the first angular velocity sensing waveform J1 and an input gain of the second angular velocity sensing waveform J2 before these waveforms J1 and J2 are entered into the differential amplification circuit.
    • 为了抵消作用在角速度感测方向Y上的第一和第二传感器单元的振动器的同相分量,差分放大电路获得第一角速度感测波形J 1和第二角速度波形J 2之间的差分波形。此外 为了减小获得的差分波形的残余同相分量,输入增益调整电路在这些波形J 1之前调整第一角速度检测波形J 1的输入增益和第二角速度检测波形J 2的输入增益 和J 2进入差分放大电路。