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    • 43. 发明授权
    • Angle speed sensor
    • 角速度传感器
    • US06412347B1
    • 2002-07-02
    • US09554522
    • 2000-09-05
    • Keisuke KurodaTakeshi UemuraToshihiko IchinoseMasahiro Saito
    • Keisuke KurodaTakeshi UemuraToshihiko IchinoseMasahiro Saito
    • G01P904
    • G01C19/5607
    • An angular rate sensor driving circuit shortens a start-up time without increasing a maximum level of amplification factor of a variable gain amplifier beyond a predetermined degree An output signal of a first amplifier is input to a positive input terminal of a third amplifier, a first resistor is inserted between a negative input terminal of the third amplifier and an output terminal of the third amplifier, a voltage having a potential in the vicinity of ½ of a power supply voltage is impressed on the negative input terminal of the third amplifier through a capacitor, a second resistor and a switch are connected in series between the output terminal of the third amplifier and an input terminal of a second amplifier, and the switch is activated by an output of a level judgement circuit.
    • 角速率传感器驱动电路缩短启动时间,而不增加超过预定程度的可变增益放大器的放大系数的最大电平。第一放大器的输出信号被输入到第三放大器的正输入端,第一放大器 电阻器插入在第三放大器的负输入端子和第三放大器的输出端子之间,通过电容器将具有电源电压的1/2的电位的电压施加到第三放大器的负输入端子 第二电阻器和开关串联连接在第三放大器的输出端和第二放大器的输入端之间,开关由电平判断电路的输出激活。
    • 46. 发明授权
    • Angular rate sensor
    • 角速度传感器
    • US06584841B1
    • 2003-07-01
    • US09554014
    • 2000-07-05
    • Toshihiko IchinoseMotoki OgataJunichi YukawaKoji YamamotoMasahiro SaitoTakeshi Uemura
    • Toshihiko IchinoseMotoki OgataJunichi YukawaKoji YamamotoMasahiro SaitoTakeshi Uemura
    • G01P904
    • G01C19/5607
    • An angular rate sensor is characterized by having electrodes constituting an exciting unit for providing a vibrator with vibration, an electrode constituting a means for detecting a vibration level of the vibrator, an electrode constituting a first detection means for detecting Coriolis' force generated responsive to an angular rate, a second detecting electrode for detecting a signal of reverse polarity to that of the first detecting electrode, a driving circuit for taking as an input a signal from the electrode for detecting the vibration level and outputting a signal to the electrodes, and a first detection circuit and a second detection circuit for taking respective inputs of detected signals from the first detecting electrode and the second detecting electrode.
    • 角速率传感器的特征在于具有构成用于提供具有振动的振动器的激励单元的电极,构成用于检测振动器的振动水平的装置的电极,构成用于检测响应于...的产生的科里奥利力的第一检测装置的电极 角速率,用于检测与第一检测电极相反极性的信号的第二检测电极,驱动电路,用于将来自用于检测振动电平的电极的信号作为输入,并向电极输出信号;以及 第一检测电路和用于从第一检测电极和第二检测电极获取检测信号的各个输入的第二检测电路。
    • 48. 发明授权
    • Angular velocity sensor device
    • 角速度传感器装置
    • US5581032A
    • 1996-12-03
    • US399452
    • 1995-03-07
    • Takeshi UemuraToshihiko IchinoseJiro TeradaMasaharu UshiharaJunichi YukawaHiroaki MouriHideo OhkoshiMasayoshi Murakami
    • Takeshi UemuraToshihiko IchinoseJiro TeradaMasaharu UshiharaJunichi YukawaHiroaki MouriHideo OhkoshiMasayoshi Murakami
    • G01C19/56G01C19/5628G01P21/00G01P1/02
    • G01C19/5607
    • In an angular velocity sensor device, a vibration isolation member, a sensor support plate on which a tuning fork unit functioning as a vibrating type angular velocity sensor is mounted, a collar, a circuit board on which a circuit pattern is formed for driving the tuning fork unit and processing a signal output therefrom are provided by having a plurality of pins inserted, in this order, which extend from the bottom surface of a concave-shaped case. The circuit pattern and the tuning fork unit are connected with each other via a flexible printed circuit board. These components are accommodated inside the concave-shaped case. A cover is fitted in an open top of the case so as to completely seal the case. The angular velocity sensor device with the aforementioned arrangement does not suffer variation in the operational properties due to disturbance vibration and deterioration in the vibration isolation property. In addition, adverse effects of moisture and corrosive gas in the atmosphere on the operational properties are prevented, since air is prevented from entering the inside of the case.
    • 在角速度传感器装置中,安装有用作振动式角速度传感器的音叉单元的传感器支撑板,轴环,形成有用于驱动调谐的电路图案的电路板的传感器支撑板 叉单元并且处理从其输出的信号通过具有从该凹形壳体的底面延伸的多个引脚依次插入而提供。 电路图案和音叉单元通过柔性印刷电路板相互连接。 这些部件容纳在凹形外壳内。 在外壳的开口顶部安装一个盖子,以完全密封外壳。 具有上述结构的角速度传感器装置不会由于干扰振动而引起的操作性能的变化和隔振性能的劣化。 此外,由于防止空气进入壳体内部,因此防止了大气中的水分和腐蚀性气体对操作性能的不良影响。