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1. 发明授权

US08525591B2 Signal level conversion circuit, physical quantity detection device and electronic apparatus 有权
标题翻译：信号电平转换电路，物理量检测装置和电子设备
公开(公告)号：US08525591B2
公开(公告)日：2013-09-03
申请号：US13186859
申请日：2011-07-20
申请人： Yoshinao Yanagisawa , Takayuki Kikuchi
发明人： Yoshinao Yanagisawa , Takayuki Kikuchi
IPC分类号： H03F3/45
CPC分类号： H03F3/45179 , H03F1/26 , H03F3/08 , H03F3/45475 , H03F2200/261 , H03F2200/408 , H03F2200/411 , H03F2203/45528 , H03F2203/45594
摘要： A signal level conversion circuit 1 includes a first differential amplifier circuit 10 and a second differential amplifier circuit 20. The first differential amplifier circuit 10 multiplies a potential difference between a first input signal and a second input signal by G1 thereby providing an output signal. The second differential amplifier circuit 20 multiplies a potential difference between the output signal of the first differential amplifier circuit 10 and the second input signal by G2 thereby providing an output, where the two gains satisfy the relation of G1×G2
摘要翻译：信号电平转换电路1包括第一差分放大器电路10和第二差分放大器电路20.第一差分放大器电路10将第一输入信号和第二输入信号之间的电位差乘以G1，从而提供输出信号。第二差分放大器电路20将第一差分放大器电路10的输出信号和第二输入信号之间的电位差乘以G2，从而提供输出，其中两个增益满足G1×G2 <0和0 < （G1 + 1）×G2 <2。

2. 发明申请

US20130057354A1 DRIVER CIRCUIT, PHYSICAL QUANTITY DETECTION APPARATUS, ANGULAR VELOCITY DETECTION APPARATUS, INTEGRATED CIRCUIT DEVICE, AND ELECTRONIC INSTRUMENT 有权
标题翻译：驱动电路，物理量检测装置，角速度检测装置，集成电路装置和电子仪器
公开(公告)号：US20130057354A1
公开(公告)日：2013-03-07
申请号：US13404649
申请日：2012-02-24
申请人： Yoshinao YANAGISAWA , Masahiro OSHIO , Takayuki KIKUCHI , Toshihiro NISHIDA , Masayuki TAKAHASHI
发明人： Yoshinao YANAGISAWA , Masahiro OSHIO , Takayuki KIKUCHI , Toshihiro NISHIDA , Masayuki TAKAHASHI
IPC分类号： H03B5/30
CPC分类号： G01C19/574 , G01C19/5726
摘要： A driver circuit includes a comparator (drive signal generation section) that generates a drive signal based on a signal obtained by converting an oscillation current of a vibrator that has been input via a first signal line into a voltage using an I/V conversion circuit (current/voltage conversion section), and supplies the drive signal to the vibrator via a second signal line, an oscillation detection circuit (oscillation detection section) that detects whether or not the oscillation current has reached a predetermined value after the vibrator has started to oscillate, a startup oscillation circuit (startup oscillation section) that assists an oscillation operation of the vibrator until the oscillation current reaches the predetermined value, and a switch that separates a capacitor from the second signal line until the oscillation current reaches the predetermined value, and connects the capacitor to the second signal line when the oscillation current has reached the predetermined value.
摘要翻译：驱动器电路包括：比较器（驱动信号生成部），其基于通过使用I / V转换电路将已经经由第一信号线输入的振动器的振荡电流转换为电压而获得的信号，生成驱动信号（电流/电压转换部），并且经由第二信号线向振动器提供驱动信号，振荡器开始振荡后检测振荡电流是否已经达到预定值的振荡检测电路（振荡检测部）启动振荡电路（启动振荡部），其在振荡电流达到规定值之前辅助振动器的振荡动作，以及将电容器与第二信号线分离直到振荡电流达到规定值为止的开关，当振荡电流达到预定值时，电容器到第二信号线呃

3. 发明申请

US20130055810A1 DETECTION CIRCUIT, PHYSICAL QUANTITY DETECTION APPARATUS, ANGULAR VELOCITY DETECTION APPARATUS, INTEGRATED CIRCUIT DEVICE, AND ELECTRONIC INSTRUMENT 有权
标题翻译：检测电路，物理量检测装置，角速度检测装置，集成电路装置和电子仪器
公开(公告)号：US20130055810A1
公开(公告)日：2013-03-07
申请号：US13404475
申请日：2012-02-24
申请人： Yoshinao YANAGISAWA , Masahiro OSHIO , Takayuki KIKUCHI , Toshihiro NISHIDA , Masayuki TAKAHASHI
发明人： Yoshinao YANAGISAWA , Masahiro OSHIO , Takayuki KIKUCHI , Toshihiro NISHIDA , Masayuki TAKAHASHI
IPC分类号： G01C19/56
CPC分类号： G01C19/56 , G01C19/5776 , H03H9/2468
摘要： A detection circuit includes a synchronous detection circuit (synchronous detection section) that synchronously detects a signal that includes a detection signal of a vibrator (an output signal of an amplifier), a switched capacitor filter (SCF) circuit that filters a signal that has been synchronously detected by the synchronous detection circuit (an output signal of a programmable gain amplifier), and an output buffer that buffers and outputs a signal that has been filtered by the SCF circuit, the gain of the SCF circuit being larger than 1.
摘要翻译：检测电路包括同步检测电路（同步检测部分），其同步地检测包括振动器的检测信号（放大器的输出信号）的信号，对已经被存储的信号进行滤波的开关电容滤波器（SCF）电路由同步检测电路（可编程增益放大器的输出信号）同步检测的缓冲器，其输出缓冲并输出由SCF电路滤波的信号，SCF电路的增益大于1。

4. 发明授权

US09046366B2 Signal processing circuit, physical quantity detection apparatus, angular velocity detection apparatus, integrated circuit device, and electronic instrument 有权
标题翻译：信号处理电路，物理量检测装置，角速度检测装置，集成电路装置和电子仪器
公开(公告)号：US09046366B2
公开(公告)日：2015-06-02
申请号：US13404573
申请日：2012-02-24
申请人： Yoshinao Yanagisawa , Masahiro Oshio , Takayuki Kikuchi , Toshihiro Nishida , Masayuki Takahashi
发明人： Yoshinao Yanagisawa , Masahiro Oshio , Takayuki Kikuchi , Toshihiro Nishida , Masayuki Takahashi
IPC分类号： G01C19/5649 , G01C19/56
CPC分类号： G01C19/5649 , G01C19/56
摘要： A signal processing circuit includes an I/V conversion circuit (current/voltage conversion section) that converts an oscillation current of a vibrator into a voltage, an RC filter (phase shift section) that shifts a phase of the output signal of the I/V conversion circuit, a full-wave rectifier (part of a drive amplitude control section) that binarizes a signal that has been shifted in phase to generate a switch control signal, a comparator (reference signal generation section) that generates a reference signal for synchronous detection based on the output signal of the I/V conversion circuit, and an EXOR circuit (clock signal generation section) that generates a clock signal for a switched capacitor filter (SCF) that has a frequency twice a frequency of a drive signal based on a phase difference between the reference signal and the switch control signal.
摘要翻译：信号处理电路包括将振动器的振荡电流转换为电压的I / V转换电路（电流/电压转换部），将I / V转换电路的输出信号的相位移位的RC滤波器（相移部） V转换电路，将相位偏移的信号二值化以产生开关控制信号的全波整流器（驱动幅度控制部的一部分），生成用于同步的参考信号的比较器（参考信号生成部）基于I / V转换电路的输出信号进行检测，以及EXOR电路（时钟信号生成部），该EXOR电路生成具有基于驱动信号的频率的两倍频率的开关电容滤波器（SCF）的时钟信号参考信号与开关控制信号之间的相位差。

5. 发明授权

US08618890B2 Angular velocity detection apparatus 有权
标题翻译：角速度检测装置
公开(公告)号：US08618890B2
公开(公告)日：2013-12-31
申请号：US13404649
申请日：2012-02-24
申请人： Yoshinao Yanagisawa , Masahiro Oshio , Takayuki Kikuchi , Toshihiro Nishida , Masayuki Takahashi
发明人： Yoshinao Yanagisawa , Masahiro Oshio , Takayuki Kikuchi , Toshihiro Nishida , Masayuki Takahashi
IPC分类号： H03B5/36
CPC分类号： G01C19/574 , G01C19/5726
摘要： A driver circuit includes a comparator (drive signal generation section) that generates a drive signal based on a signal obtained by converting an oscillation current of a vibrator that has been input via a first signal line into a voltage using an I/V conversion circuit (current/voltage conversion section), and supplies the drive signal to the vibrator via a second signal line, an oscillation detection circuit (oscillation detection section) that detects whether or not the oscillation current has reached a predetermined value after the vibrator has started to oscillate, a startup oscillation circuit (startup oscillation section) that assists an oscillation operation of the vibrator until the oscillation current reaches the predetermined value, and a switch that separates a capacitor from the second signal line until the oscillation current reaches the predetermined value, and connects the capacitor to the second signal line when the oscillation current has reached the predetermined value.
摘要翻译：驱动器电路包括：比较器（驱动信号生成部），其基于通过使用I / V转换电路将已经经由第一信号线输入的振动器的振荡电流转换为电压而获得的信号，生成驱动信号（电流/电压转换部），并且经由第二信号线向振动器提供驱动信号，振荡器开始振荡后检测振荡电流是否已经达到预定值的振荡检测电路（振荡检测部）启动振荡电路（启动振荡部），其在振荡电流达到规定值之前辅助振动器的振荡动作，以及将电容器与第二信号线分离直到振荡电流达到规定值为止的开关，当振荡电流达到预定值时，电容器到第二信号线呃

6. 发明申请

US20130055815A1 SIGNAL PROCESSING CIRCUIT, PHYSICAL QUANTITY DETECTION APPARATUS, ANGULAR VELOCITY DETECTION APPARATUS, INTEGRATED CIRCUIT DEVICE, AND ELECTRONIC INSTRUMENT 有权
标题翻译：信号处理电路，物理量检测装置，角速度检测装置，集成电路装置和电子仪器
公开(公告)号：US20130055815A1
公开(公告)日：2013-03-07
申请号：US13404573
申请日：2012-02-24
申请人： Yoshinao YANAGISAWA , Masahiro OSHIO , Takayuki KIKUCHI , Toshihiro NISHIDA , Masayuki TAKAHASHI
发明人： Yoshinao YANAGISAWA , Masahiro OSHIO , Takayuki KIKUCHI , Toshihiro NISHIDA , Masayuki TAKAHASHI
IPC分类号： G01H13/00
CPC分类号： G01C19/5649 , G01C19/56
摘要： A signal processing circuit includes an I/V conversion circuit (current/voltage conversion section) that converts an oscillation current of a vibrator into a voltage, an RC filter (phase shift section) that shifts a phase of the output signal of the I/V conversion circuit, a full-wave rectifier (part of a drive amplitude control section) that binarizes a signal that has been shifted in phase to generate a switch control signal, a comparator (reference signal generation section) that generates a reference signal for synchronous detection based on the output signal of the I/V conversion circuit, and an EXOR circuit (clock signal generation section) that generates a clock signal for a switched capacitor filter (SCF) that has a frequency twice a frequency of a drive signal based on a phase difference between the reference signal and the switch control signal.
摘要翻译：信号处理电路包括将振动器的振荡电流转换为电压的I / V转换电路（电流/电压转换部），将I / V转换电路的输出信号的相位移位的RC滤波器（相移部） V转换电路，将相位偏移的信号二值化以产生开关控制信号的全波整流器（驱动幅度控制部的一部分），生成用于同步的参考信号的比较器（参考信号生成部）基于I / V转换电路的输出信号进行检测，以及EXOR电路（时钟信号生成部），该EXOR电路生成具有基于驱动信号的频率的两倍频率的开关电容滤波器（SCF）的时钟信号参考信号与开关控制信号之间的相位差。

7. 发明申请

US20120103093A1 SIGNAL LEVEL CONVERSION CIRCUIT, PHYSICAL QUANTITY DETECTION DEVICE AND ELECTRONIC APPARATUS 有权
标题翻译：信号电平转换电路，物理量检测装置及电子装置
公开(公告)号：US20120103093A1
公开(公告)日：2012-05-03
申请号：US13186859
申请日：2011-07-20
申请人： Yoshinao YANAGISAWA , Takayuki KIKUCHI
发明人： Yoshinao YANAGISAWA , Takayuki KIKUCHI
IPC分类号： G01C19/56 , H03L5/00
CPC分类号： H03F3/45179 , H03F1/26 , H03F3/08 , H03F3/45475 , H03F2200/261 , H03F2200/408 , H03F2200/411 , H03F2203/45528 , H03F2203/45594
摘要： A signal level conversion circuit 1 includes a first differential amplifier circuit 10 and a second differential amplifier circuit 20. The first differential amplifier circuit 10 multiplies a potential difference between a first input signal and a second input signal by G1 thereby providing an output signal. The second differential amplifier circuit 20 multiplies a potential difference between the output signal of the first differential amplifier circuit 10 and the second input signal by G2 thereby providing an output, where the two gains satisfy the relation of G1×G2
摘要翻译：信号电平转换电路1包括第一差分放大器电路10和第二差分放大器电路20.第一差分放大器电路10将第一输入信号和第二输入信号之间的电位差乘以G1，从而提供输出信号。第二差分放大器电路20将第一差分放大器电路10的输出信号和第二输入信号之间的电位差乘以G2，从而提供输出，其中两个增益满足G1×G2 <0和0 < （G1 + 1）×G2 <2。

8. 发明授权

US08850887B2 Detection circuit, physical quantity detection apparatus, angular velocity detection apparatus, integrated circuit device, and electronic instrument 有权
标题翻译：检测电路，物理量检测装置，角速度检测装置，集成电路装置和电子仪器
公开(公告)号：US08850887B2
公开(公告)日：2014-10-07
申请号：US13404475
申请日：2012-02-24
申请人： Yoshinao Yanagisawa , Masahiro Oshio , Takayuki Kikuchi , Toshihiro Nishida , Masayuki Takahashi
发明人： Yoshinao Yanagisawa , Masahiro Oshio , Takayuki Kikuchi , Toshihiro Nishida , Masayuki Takahashi
IPC分类号： G01C19/56 , H03H9/24 , G01C19/5776
CPC分类号： G01C19/56 , G01C19/5776 , H03H9/2468
摘要： A detection circuit includes a synchronous detection circuit (synchronous detection section) that synchronously detects a signal that includes a detection signal of a vibrator (an output signal of an amplifier), a switched capacitor filter (SCF) circuit that filters a signal that has been synchronously detected by the synchronous detection circuit (an output signal of a programmable gain amplifier), and an output buffer that buffers and outputs a signal that has been filtered by the SCF circuit, the gain of the SCF circuit being larger than 1.
摘要翻译：检测电路包括同步检测电路（同步检测部分），其同步地检测包括振动器的检测信号（放大器的输出信号）的信号，对已经被存储的信号进行滤波的开关电容滤波器（SCF）电路由同步检测电路（可编程增益放大器的输出信号）同步检测的缓冲器，其输出缓冲并输出由SCF电路滤波的信号，SCF电路的增益大于1。

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