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    • 3. 发明专利
    • Dual tuning fork type vibration gyroscopic sensor
    • 双调式振动陀螺仪传感器
    • JP2004101392A
    • 2004-04-02
    • JP2002264872
    • 2002-09-11
    • Toyo Commun Equip Co Ltd東洋通信機株式会社
    • TOMIKAWA YOSHIROSATO KENJIONO ATSUSHI
    • G01C19/56G01C19/574H01L41/08H01L41/18G01P9/04
    • H03H9/2473G01C19/5607
    • PROBLEM TO BE SOLVED: To make a dual tuning fork type structure of a horizontal side-laying type, and to enhance vibration resistance, impact resistance, and accuracy by enlarging a support area, utilizing an in-plane asymmetrical bending secondary mode for a rotation detection mode, in the vibration gyroscopic sensor utilizing Coriolis force.
      SOLUTION: The vibration gyroscopic sensor is constituted by integrating two arm parts, driving electrodes formed on the arm parts, and a dual tuning fork supporting part for supporting both ends of the arm parts. The vibration gyroscopic sensor is provided with a detection part connected to the dual tuning fork supporting part, a detection electrode formed at the detection part, and a support fixing part for the detection part. Thus, Coriolis force acting on the arm parts at the time of rotating is transmitted to the detection part through the dual tuning fork supporting part. The bending vibration of the in-plane asymmetrical bending secondary mode is generated in the detection part.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了制造水平侧置式的双音叉式结构,并且通过扩大支撑区域来提高抗振性,抗冲击性和精度,利用面内不对称弯曲二次模式 对于旋转检测模式,在使用科里奥利力的振动陀螺传感器中。 解决方案:振动陀螺传感器由两个臂部,形成在臂部上的驱动电极和用于支撑臂部的两端的双音叉支撑部分组成而构成。 振动陀螺仪传感器设置有连接到双音叉支撑部分的检测部分,形成在检测部分处的检测电极和用于检测部分的支撑固定部分。 因此,在旋转时作用在臂部上的科里奥利力通过双音叉支撑部传递到检测部。 在检测部中产生面内不对称弯曲次模的弯曲振动。 版权所有(C)2004,JPO