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1. 发明授权

US08342026B2 Vibrating gyroscope 有权
标题翻译：振动陀螺仪
公开(公告)号：US08342026B2
公开(公告)日：2013-01-01
申请号：US12479935
申请日：2009-06-08
申请人： Hideaki Sugibayashi , Keiichi Okano
发明人： Hideaki Sugibayashi , Keiichi Okano
IPC分类号： G01C19/56
CPC分类号： G01C19/5607 , G01C19/5649
摘要： A vibrating gyroscope includes two input buffers each arranged to input voltage signals appearing at respective detection electrodes of one of two piezoelectric vibrators. An adding circuit adds up output voltages of the respective input buffers. An amplitude control circuit automatically controls a loop gain such that an output voltage of the adding circuit has a substantially constant amplitude. A phase-shift circuit controls the phase of a drive voltage supplied to the piezoelectric vibrators such that the piezoelectric vibrators oscillate by positive feedback. Two differential amplifier circuits each amplify a voltage difference corresponding to an angular velocity about an axis. Two synchronous detection circuits each perform detection using a synchronizing signal generated from an oscillation signal, and detect a voltage signal corresponding to the angular velocity.
摘要翻译：振动陀螺仪包括两个输入缓冲器，每个输入缓冲器被布置成输入出现在两个压电振动器之一的相应检测电极处的电压信号。加法电路将各个输入缓冲器的输出电压相加。幅度控制电路自动控制环路增益，使得加法电路的输出电压具有基本恒定的振幅。相移电路控制提供给压电振动器的驱动电压的相位，使得压电振动器通过正反馈振荡。两个差分放大器电路各自放大对应于围绕轴的角速度的电压差。两个同步检测电路各自使用从振荡信号产生的同步信号进行检测，并且检测与角速度对应的电压信号。

2. 发明授权

US08225659B2 Vibrating gyro 有权
标题翻译：振动陀螺仪
公开(公告)号：US08225659B2
公开(公告)日：2012-07-24
申请号：US12540387
申请日：2009-08-13
申请人： Hideaki Sugibayashi , Keiichi Okano
发明人： Hideaki Sugibayashi , Keiichi Okano
IPC分类号： G01P9/04
CPC分类号： H01L41/107 , G01C19/5607
摘要： A piezoelectric vibrator of a vibration gyro vibrates in response to a drive voltage Vdrv input into a drive electrode, and when deformed by a Coriolis force, generates detection voltages Vagc, between which a potential difference corresponds to the deformation, at detection electrodes. An AGC circuit outputs a drive voltage Vdrv while performing automatic gain control so that the detection voltages Vagc have a given amplitude. A phase inversion circuit and a BTL amplifier circuit output a BTL voltage Vbtl, whose phase is opposite to the detection voltage Vagc and whose amplitude has been increased, to the detection electrodes via detection resistances. The AGC circuit reduces the detection voltages Vagc in order to prevent the drive voltage Vdrv from exceeding a design upper limit value V′drv.
摘要翻译：振动陀螺仪的压电振动器响应于输入到驱动电极的驱动电压Vdrv振动，并且当由科里奥利力变形时，在检测电极处产生检测电压Vagc，其间的电位差对应于变形。 AGC电路在执行自动增益控制时输出驱动电压Vdrv，使得检测电压Vagc具有给定的幅度。相位反转电路和BTL放大电路通过检测电阻向检测电极输出与检测电压Vagc相反且振幅增大的BTL电压Vbt1。 AGC电路减小检测电压Vagc，以防止驱动电压Vdrv超过设计上限值V'drv。

3. 发明授权

US08127607B2 Angular velocity sensor interface circuit and angular velocity detection apparatus 有权
标题翻译：角速度传感器接口电路和角速度检测装置
公开(公告)号：US08127607B2
公开(公告)日：2012-03-06
申请号：US12256572
申请日：2008-10-23
申请人： Hideaki Sugibayashi
发明人： Hideaki Sugibayashi
IPC分类号： G01P9/04 , G01C19/56
CPC分类号： G01C19/56 , G01C25/005
摘要： An angular velocity detection apparatus includes an angular velocity detection signal amplifier circuit which amplifies an angular velocity detection signal Vo output from an angular velocity sensor, and an offset control circuit which controls an offset so as to be a reference voltage which is output when a value of an angular velocity is 0. The angular velocity detection apparatus further includes an input switch circuit which selects the reference voltage and a discharge switch circuit which short-circuits a capacitor included in a high-pass filter in an offset control period.
摘要翻译：角速度检测装置包括：角速度检测信号放大电路，其放大从角速度传感器输出的角速度检测信号Vo;以及偏移控制电路，该偏移控制电路将偏移量控制为参考电压，角速度检测装置还包括选择参考电压的输入开关电路和在偏移控制周期内将包括在高通滤波器中的电容器短路的放电开关电路。

4. 发明授权

US07823450B2 Angular velocity sensor and method of setting temperature characteristics of angular velocity sensor 有权
标题翻译：角速度传感器和角速度传感器温度特性设定方法
公开(公告)号：US07823450B2
公开(公告)日：2010-11-02
申请号：US12255778
申请日：2008-10-22
申请人： Hideaki Sugibayashi
发明人： Hideaki Sugibayashi
IPC分类号： G01P9/04 , G01C19/56
CPC分类号： G01C19/56
摘要： In a method of setting temperature characteristics of an angular velocity sensor, temperature characteristics of a detuning frequency are acquired. The detuning frequency is a frequency difference between an oscillation frequency of an oscillation circuit including a piezoelectric vibrator and a frequency of a voltage of the piezoelectric vibrator caused by the Coriolis force. The sensitivity to the detuning frequency is acquired. The temperature characteristics of a detection phase are acquired. The detection phase is a phase difference between a Coriolis signal phase that corresponds to a phase angle of a voltage signal and an oscillation signal phase of the oscillation circuit. The sensitivity to the detection phase is acquired. The amount of phase shift of the detection phase is determined so that the change in sensitivity caused by the change in the detuning frequency with temperature is controlled using the change in sensitivity caused by the change in the detection phase with temperature.
摘要翻译：在设定角速度传感器的温度特性的方法中，获取失谐频率的温度特性。失谐频率是包括压电振动器的振荡电路的振荡频率与由科里奥利力引起的压电振动器的电压频率之间的频率差。获得对失谐频率的敏感度。获取检测相位的温度特性。检测相位是对应于电压信号的相位角和振荡电路的振荡信号相位的科里奥利信号相位之间的相位差。获取对检测阶段的敏感度。确定检测相位的相移量，使得利用由温度检测相位变化引起的灵敏度变化来控制由失谐频率随温度变化引起的灵敏度变化。

5. 发明授权

US5327102A Sound recording apparatus 失效
标题翻译：录音设备
公开(公告)号：US5327102A
公开(公告)日：1994-07-05
申请号：US957553
申请日：1992-10-08
申请人： Hideaki Sugibayashi
发明人： Hideaki Sugibayashi
IPC分类号： G11B5/035 , G11B20/10 , H03G5/02 , H03F3/191
CPC分类号： G11B20/10046 , G11B20/10009 , G11B5/035 , H03G5/025
摘要： A sound recording apparatus for equalizing a sound signal before the sound signal is recorded onto a recording medium includes an amplifier to which the sound signal is inputted and a simulated inductor circuit connected to the amplifier. The simulated inductor circuit includes a buffer whose input side is coupled to a predetermined bias, a plurality of capacitors for connecting the output side of the buffer to the amplifier, and a switch for changing an equalizing characteristic by changing over a capacitor among the plurality of capacitors.
摘要翻译：在将声音信号记录在记录介质上之前对声音信号进行均衡的声音记录装置包括输入声音信号的放大器和连接到放大器的模拟电感电路。模拟电感器电路包括其输入侧耦合到预定偏置的缓冲器，用于将缓冲器的输出侧连接到放大器的多个电容器，以及用于通过在多个电容器中切换电容器来改变均衡特性的开关电容器

6. 发明授权

US5323277A Sound recording apparatus 失效
标题翻译：录音设备
公开(公告)号：US5323277A
公开(公告)日：1994-06-21
申请号：US125164
申请日：1993-09-23
申请人： Hideaki Sugibayashi
发明人： Hideaki Sugibayashi
IPC分类号： G11B5/027 , G11B5/035 , G11B15/02
CPC分类号： G11B15/02 , G11B5/035
摘要： A sound recording apparatus for use in video tape recorders, for equalizing a sound signal before the sound signal is recorded onto a recording medium includes an operational amplifier where the sound signal is inputted to its first input terminal, a feedback resistor connected to an output terminal and a second input terminal of the operational amplifier, and a simulated inductor circuit connected to the second input terminal of the operational amplifier. The simulated inductor circuit has a buffer where a predetermined bias is provided to its input. Between an output of the buffer and the second input terminal of the operational amplifier is connected an impedance network whose circuit constant is switched by a switch which operates according to a recording speed mode of the video tape recorder. This switching changes an equalizing characteristic of the amplifier.
摘要翻译：一种在录像机中使用的声音记录装置，用于将声音信号记录在记录介质上之前将声音信号均衡，包括：声音信号输入到其第一输入端的运算放大器，连接到输出端的反馈电阻器和运算放大器的第二输入端，以及连接到运算放大器的第二输入端的模拟电感电路。模拟电感器电路具有其输入端提供预定偏压的缓冲器。在运算放大器的输出端和运算放大器的第二输入端之间连接一个阻抗网络，其阻抗网络的电路常数由根据录像机的记录速度模式操作的开关切换。该开关改变放大器的均衡特性。

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