公开(公告)号：US20110138911A1

公开(公告)日：2011-06-16

申请号：US12964016

申请日：2010-12-09

申请人： Masahiro OSHIO

发明人： Masahiro OSHIO

IPC分类号： G01C19/56

CPC分类号： G01C19/5642

摘要： A resonator element includes: drive beams including a first beam and a second beam that vibrate in torsional vibration modes and are elongated side by side in a first direction; support parts that couple one ends and the other ends of the first beam and the second beam; and detection arms elongated from the respective first beam and second beam in a second direction orthogonal to the first direction in a plan view, wherein, in a drive mode, the first beam and the second beam torsionally vibrate in opposite directions to each other, the respective detection arms vibrate in a normal direction of a plane containing the first direction and the second direction, and the detection arm elongated from the first beam and the detection arm elongated from the second beam vibrate in the same direction as each other.

摘要翻译： 谐振元件包括：驱动梁，包括第一梁和第二梁，其以扭转振动模式振动并且在第一方向上并排拉长; 支撑部件，其将第一梁和第二梁的一端和另一端相连; 以及在平面图中沿与第一方向正交的第二方向从相应的第一光束和第二光束伸长的检测臂，其中，在驱动模式中，第一光束和第二光束彼此相反的方向扭转振动， 各个检测臂沿着包含第一方向和第二方向的平面的法线方向振动，并且从第一光束伸长的检测臂和从第二光束伸长的检测臂在彼此相同的方向上振动。

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。

公开(公告)号：US20100212426A1

公开(公告)日：2010-08-26

申请号：US12710569

申请日：2010-02-23

申请人： Masahiro OSHIO

发明人： Masahiro OSHIO

IPC分类号： G01P15/125

CPC分类号： G01P15/125 ,  B81B3/0051 ,  B81B2201/0235 ,  G01P1/023 ,  G01P15/0802 ,  G01P2015/0814

摘要： An acceleration sensor includes: a support member; a fixed electrode provided on the support member; a movable unit; a movable electrode provided on the movable unit and disposed opposed to the fixed electrode to generate capacity; and a projection extending from the opposed surface of at least either the fixed electrode or the movable electrode in one direction within the surface.

摘要翻译： 加速度传感器包括：支撑构件; 设置在所述支撑构件上的固定电极; 可移动单元; 可移动电极，设置在所述可动单元上并与所述固定电极相对设置，以产生能力; 以及从固定电极或可动电极中的至少一个的相对表面在表面内的一个方向延伸的突起。

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

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。

公开(公告)号：US20110162450A1

公开(公告)日：2011-07-07

申请号：US12984068

申请日：2011-01-04

申请人： Masahiro OSHIO

发明人： Masahiro OSHIO

IPC分类号： G01C19/56

CPC分类号： G01C19/5762 ,  G01C19/5747

摘要： A vibrating element includes: a first support portion and a second support portion; a first vibrating arm which extends along a first axis, one end of the first vibrating arm being connected to the first support portion; a second vibrating arm which extends along the first axis, one end of the second vibrating arm being connected to the second support portion; an oscillating member which is sandwiched between the other ends of the first vibrating arm and the second vibrating arm, and has openings; and detection arms which extend along a second axis perpendicular to the first axis from the inner walls of the openings of the oscillating member in plan view.

摘要翻译： 振动元件包括：第一支撑部分和第二支撑部分; 第一振动臂，其沿着第一轴线延伸，所述第一振动臂的一端连接到所述第一支撑部; 第二振动臂，其沿着所述第一轴线延伸，所述第二振动臂的一端连接到所述第二支撑部; 摆动构件，其夹在第一振动臂和第二振动臂的另一端之间，并具有开口; 以及在平面图中从摆动件的开口的内壁沿垂直于第一轴线的第二轴线延伸的检测臂。

公开(公告)号：US20100206075A1

公开(公告)日：2010-08-19

申请号：US12705764

申请日：2010-02-15

申请人： Masahiro OSHIO

发明人： Masahiro OSHIO

IPC分类号： G01P3/04

CPC分类号： G01P1/023 ,  B81B2201/0235 ,  B81B2201/0242 ,  B81C1/00293 ,  G01C19/56 ,  G01P2015/0814

摘要： A composite sensor includes: a package including a container and a lid; a plurality of spaces that is partitioned by at least the container and the lid, and has different pressures, the plurality of the spaces including a first space sealed at around an atmospheric pressure and a second space sealed at a depressurized state; an acceleration sensor element disposed in the first space; and a vibration type angular velocity sensor element disposed in the second space. In the sensor, the first space has a volume smaller than a volume of the second space.

摘要翻译： 复合传感器包括：包括容器和盖子的包装件; 多个空间，其至少由所述容器和所述盖分隔，并且具有不同的压力，所述多个空间包括在大气压附近密封的第一空间和在减压状态下密封的第二空间; 设置在所述第一空间中的加速度传感器元件; 以及设置在所述第二空间中的振动型角速度传感器元件。 在传感器中，第一空间的体积小于第二空间的体积。