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    • 14. 发明授权
    • Tuning-fork type transducer for angular-speed sensor, angular-speed sensor using the same transducer, and automotive vehicle using the same angular-speed sensor
    • 用于角速度传感器的调谐叉式传感器,使用相同换能器的角速度传感器,以及使用相同角速度传感器的机动车辆
    • US07441459B2
    • 2008-10-28
    • US10589124
    • 2005-03-01
    • Satoshi OhuchiTakeshi YamamotoHiroyuki Aizawa
    • Satoshi OhuchiTakeshi YamamotoHiroyuki Aizawa
    • G01P9/04G01C19/56
    • G01C19/5607
    • The invention provides a tuning-fork type transducer for an angular-speed sensor which realizes a stable fork-driving, realizes downsizing of the angular-speed sensor, and is capable of executing control of a vehicle body with high degree of accuracy when being used under a high-temperature environment, an angular-speed sensor using this transducer, and an automotive vehicle using this angular-speed sensor. Electric charges obtained from upper electrodes (13a), (14a) provided on an arm (10b) are amplified respectively by current amplifiers (40a), (40b). The amplified signal is differentially amplified by a first differential amplifier (41), and the amplified signal is used as a monitor signal for fork-driving. An added signal obtained by adding output signals from the current amplifiers (40a), (40b) by an adder (60) is used as a signal for detecting the angular speed.
    • 本发明提供了一种用于角速度传感器的音叉型传感器,其实现了稳定的叉驱动,实现了角速度传感器的小型化,并且能够在使用时以高精度执行车体的控制 在高温环境下,使用该换能器的角速度传感器和使用该角速度传感器的机动车辆。 由臂(10b)上的上电极(13a),(14a)获得的电荷分别由电流放大器(40a),(40b)放大。 被放大的信号由第一差分放大器(41)进行差分放大,放大的信号用作叉驱动的监视信号。 使用通过加法器(60)将来自电流放大器(40a),(40b)的输出信号相加得到的附加信号作为用于检测角速度的信号。
    • 16. 发明申请
    • Tuning-fork type transducer for angular-speed sensor, angular-speed sensor using the same transducer, and automotive vehicle using the same angular-speed sensor
    • 用于角速度传感器的调谐叉式传感器,使用相同换能器的角速度传感器,以及使用相同角速度传感器的机动车辆
    • US20070163344A1
    • 2007-07-19
    • US10589124
    • 2005-03-01
    • Satoshi OhuchiTakeshi YamamotoHiroyuki Aizawa
    • Satoshi OhuchiTakeshi YamamotoHiroyuki Aizawa
    • G01P9/04G01P1/04G01C19/56
    • G01C19/5607
    • The invention provides a tuning-fork type transducer for an angular-speed sensor which realizes a stable fork-driving, realizes downsizing of the angular-speed sensor, and is capable of executing control of a vehicle body with high degree of accuracy when being used under a high-temperature environment, an angular-speed sensor using this transducer, and an automotive vehicle using this angular-speed sensor. Electric charges obtained from upper electrodes (13a), (14a) provided on an arm (10b) are amplified respectively by current amplifiers (40a), (40b). The amplified signal is differentially amplified by a first differential amplifier (41), and the amplified signal is used as a monitor signal for fork-driving. An added signal obtained by adding output signals from the current amplifiers (40a), (40b) by an adder (60) is used as a signal for detecting the angular speed.
    • 本发明提供了一种用于角速度传感器的音叉型传感器,其实现了稳定的叉驱动,实现了角速度传感器的小型化,并且能够在使用时以高精度执行车体的控制 在高温环境下,使用该换能器的角速度传感器和使用该角速度传感器的机动车辆。 由臂(10b)上的上电极(13a),(14a)获得的电荷分别由电流放大器(40a),(40b)放大。 被放大的信号由第一差分放大器(41)进行差分放大,放大的信号用作叉驱动的监视信号。 使用通过加法器(60)将来自电流放大器(40a),(40b)的输出信号相加得到的附加信号作为用于检测角速度的信号。