公开(公告)号：JP2009162641A

公开(公告)日：2009-07-23

申请号：JP2008001142

申请日：2008-01-08

Applicant: Hitachi Cable Ltd ,  日立電線株式会社

Inventor： KAWAUCHI HIDEKI ,  OGURA AKIRA

IPC: G01C19/56 ,  G01C19/5614 ,  G01C19/5621

Abstract: PROBLEM TO BE SOLVED: To provide a plurality of coaxial gyros, intended for reducing the noise and drift. SOLUTION: A MEMS-type gyro 2 includes a tuning-fork type oscillator 31 having a pair of oscillating legs 33; an oscillating device 34 disposed on the oscillator 31 for vibrating the oscillating legs 33; and a detection device 35, disposed on the oscillator 31 for determining an angular velocity by detecting the vibration of the oscillating legs 33. A plurality of the MEMS-type gyros 2 are arranged in the coaxial direction, and the respective angular velocities detected by the detection devices 35 of the MEMS-type gyros 2 are averaged. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供多个用于减少噪声和漂移的同轴陀螺仪。 解决方案：MEMS型陀螺仪2包括具有一对摆动腿33的音叉型振荡器31; 设置在振荡器31上用于振动摆动腿33的振荡装置34; 以及检测装置35，其设置在振荡器31上，用于通过检测振荡腿33的振动来确定角速度。多个MEMS型陀螺仪2沿同轴方向排列，并且由 对MEMS型陀螺仪2的检测装置35进行平均。 版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008256668A

公开(公告)日：2008-10-23

申请号：JP2007244841

申请日：2007-09-21

Applicant: Matsushita Electric Ind Co Ltd ,  松下電器産業株式会社

Inventor： SONODA SUKEJI ,  UEDA SHINJIRO

IPC: G01C19/56 ,  G01C19/5614 ,  G01C19/5621 ,  G01C19/5776 ,  H01L41/08 ,  H01L41/187

Abstract: PROBLEM TO BE SOLVED: To provide an angular velocity sensor capable of surely removing a noise component, formed of a detuning frequency as the difference between the driving frequency and the detection frequency of an oscillator. SOLUTION: The angular velocity sensor is provided with noise removing means 33 in a detection circuit 27. The removing means 33 is constituted by connecting in series a Butterworth filter, constituted of an active low-pass filter 36 and a passive low-pass filter 37, and a Chebyshev filter 38. COPYRIGHT: (C)2009,JPO&INPIT

Abstract translation: 要解决的问题：提供一种角速度传感器，其能够可靠地去除由失谐频率构成的噪声分量作为振荡器的驱动频率和检测频率之间的差。 解决方案：角速度传感器在检测电路27中设置有噪声去除装置33.除去装置33通过串联连接由有源低通滤波器36和无源低通滤波器构成的巴特沃斯滤波器构成， 通过过滤器37和切比雪夫过滤器38.版权所有（C）2009，JPO＆INPIT

公开(公告)号：JP2008170294A

公开(公告)日：2008-07-24

申请号：JP2007004163

申请日：2007-01-12

Applicant: Matsushita Electric Ind Co Ltd ,  松下電器産業株式会社

Inventor： TAKAHARA SEIICHIRO ,  YAMAZAKI TOSHIO ,  ARAI TAKASHI

IPC: G01C19/56 ,  G01C19/5614 ,  G01P21/02

Abstract: PROBLEM TO BE SOLVED: To provide a small angular velocity sensor, in which even if a resolution of correction data is raised, the capacity of a memory means will not increase, and then the sizes of the angular velocity sensor and a vehicle control device that receives the output signal of the sensor will not be enlarged.
SOLUTION: The angular velocity sensor forms correction data for correcting an output signal from a detection circuit 37 by a calibration curve of at least second or higher in the order, and the coefficients of the calibration curve are stored in the memory means 50.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了提供一种小角速度传感器，其中即使校正数据的分辨率升高，存储装置的容量也不会增加，然后角速度传感器和车辆的尺寸 接收传感器输出信号的控制装置不会被放大。 解决方案：角速度传感器形成用于校正来自检测电路37的输出信号的校正数据，其具有至少第二或更高的校准曲线，并且校准曲线的系数被存储在存储器装置50中 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2008124700A

公开(公告)日：2008-05-29

申请号：JP2006305153

申请日：2006-11-10

Applicant: Seiko Epson Corp ,  セイコーエプソン株式会社

Inventor： FUKUZAWA AKIHIRO

IPC: H03F3/45 ,  G01C19/5614 ,  G04G5/00 ,  G04R20/10 ,  H04B1/06

CPC classification number: H03F3/45183 ,  G01C19/5607 ,  G01C19/5649 ,  H03F1/0205 ,  H03F1/26 ,  H03F3/45475 ,  H03F2200/171 ,  H03F2200/261 ,  H03F2200/372 ,  H03F2203/45138 ,  H03F2203/45692 ,  H03H11/04 ,  H03H19/004

Abstract: PROBLEM TO BE SOLVED: To provide an analog circuit, electronic equipment, or the like, capable of making low noise and a low consumption power compatible. SOLUTION: The analog circuit 300 contains a first circuit 310 with a first-type operational amplifier OP1, having the frequency of a signal to be amplified as a first frequency and a second circuit 320 with a second-type operational amplifier OP2 having the frequency of the signal to be amplified as a second frequency which is lower than the first frequency. If the channel width of a differential-stage transistor for a differential section for the first-type operational amplifier OP1 is defined as W1a, a channel length by L1a, a bias current flowing through the differential section by Ia, the channel width of the differential-stage transistor for the differential section for the second-type operational amplifier OP2 by W1b, the channel length by L1b and the bias current flowing through the differential section by Ib, W1b×L1b>W1a×L1a and Ia>Ib hold. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供能够实现低噪声和低功耗兼容的模拟电路，电子设备等。 解决方案：模拟电路300包含具有第一类型运算放大器OP1的第一电路310，其具有待放大的信号的频率作为第一频率;以及第二电路320，其中第二类运算放大器OP2具有 要被放大的信号的频率作为低于第一频率的第二频率。 如果用于第一类型运算放大器OP1的差动部分的差分级晶体管的沟道宽度被定义为W1a，通道长度L1a，通过差分部分流过Ia的偏置电流，差分通道宽度 用于第二类运算放大器OP2的差分部分W1b，通道长度L1b和通过Ib，W1b×L1b> W1a×L1a和Ia> Ib保持的通过差分部分的偏置电流的级级晶体管。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2008122122A

公开(公告)日：2008-05-29

申请号：JP2006303629

申请日：2006-11-09

Applicant: Seiko Epson Corp ,  セイコーエプソン株式会社

Inventor： FUKUZAWA AKIHIRO

IPC: G01C19/56 ,  G01C19/5614

Abstract: PROBLEM TO BE SOLVED: To provide a detection device equipped with a new amplifying circuit not using a feedback resistance, a gyro sensor and an electronic apparatus. SOLUTION: Each of the first and second charge-voltage conversion circuits 100A, 100B, into which each output signal of a positive phase and a reverse phase from a vibrator 10 is input, has an operation amplifier OPA, the first and second analog switches 110, 120, the first capacitor C1 provided on a feedback route of the operation amplifier OPA, and a switch control circuit 160 for controlling the first and second analog switches. The switching control circuit 160 switches each of the first and second charge-voltage conversion circuits into a sampling mode, a holding mode and a calibration mode, successively. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供一种配备有不使用反馈电阻的新的放大电路的检测装置，陀螺传感器和电子设备。 解决方案：输入来自振动器10的正相和反相的每个输出信号的第一和第二充电电压转换电路100A，100B中的每一个具有运算放大器OPA，第一和第二 模拟开关110,120，设置在运算放大器OPA的反馈路径上的第一电容器C1以及用于控制第一和第二模拟开关的开关控制电路160。 开关控制电路160连续地将第一和第二充电电压转换电路中的每一个切换成采样模式，保持模式和校准模式。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2008101973A

公开(公告)日：2008-05-01

申请号：JP2006283746

申请日：2006-10-18

Applicant: Seiko Epson Corp ,  セイコーエプソン株式会社

Inventor： MISAWA TOSHIYUKI

IPC: G01C19/56 ,  G01C19/00 ,  G01C19/5614 ,  G01C19/5776 ,  G01P9/04 ,  H01L41/08 ,  H01L41/18 ,  H01L41/22

Abstract: PROBLEM TO BE SOLVED: To provide a detector or the like for materializing offset adjustment while preventing the scale of a circuit from enlarging. SOLUTION: This detector comprises a drive circuit and a detection circuit while the detection circuit comprises an amplification circuit amplifying an output signal from a vibrator. The amplification circuit comprises a differential amplification circuit 76 performing differential amplification on a differential signal corresponding to the output signal, and an offset adjustment circuit 78 performing offset adjustment by variably controlling the resistance value of at least one resistance the amplification circuit 76 has. The offset adjustment is performed by amplifying at least one of first and second unnecessary signals superposed, respectively, on first and second signals constituting the differential signal. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供用于实现偏移调整的检测器等，同时防止电路的规模扩大。 解决方案：该检测器包括驱动电路和检测电路，而检测电路包括放大来自振动器的输出信号的放大电路。 放大电路包括对对应于输出信号的差分信号执行差分放大的差分放大电路76以及通过可变地控制放大电路76具有的至少一个电阻的电阻值来进行偏移调整的偏移调整电路78。 通过放大分别叠加在构成差分信号的第一和第二信号上的第一和第二不必要信号中的至少一个来进行偏移调整。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2008082866A

公开(公告)日：2008-04-10

申请号：JP2006262761

申请日：2006-09-27

Applicant: Citizen Holdings Co Ltd ,  シチズンホールディングス株式会社

Inventor： NAGATA YOICHI ,  YANAGISAWA TORU

IPC: G01C19/56 ,  G01C19/5614

CPC classification number: G01P15/097 ,  G01C19/56 ,  G01D3/021

Abstract: PROBLEM TO BE SOLVED: To reduce variations in output level of the output of a physical quantity sensor due to variations in signal level of a reference signal, and to make sensitivity constant.
SOLUTION: The physical quantity sensor 1 has: a drive circuit 4 for performing driving on the basis of the reference signal 9; a sensing element 3 for converting into an electric signal a physical quantity applied from outside by being driven by this drive circuit 4; and an amplifier circuit 7 for amplifying the output signal of this sensing element 3. The drive circuit 4 controls a drive signal for the sensing element on the basis of the reference signal so as to make the level of the drive signal constant. The amplifier circuit 7 has an amplification factor characteristic for amplifying the output signal in a reverse direction, against variations of the reference signal, or variations of the drive signal of the drive circuit.
COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了减少由于参考信号的信号电平的变化导致的物理量传感器的输出的输出电平的变化，并且使灵敏度恒定。 物理量传感器1具有：用于基于参考信号9进行驱动的驱动电路4; 感测元件3，用于通过由该驱动电路4驱动而将从外部施加的物理量转换成电信号; 以及用于放大该感测元件3的输出信号的放大器电路7.驱动电路4基于参考信号来控制感测元件的驱动信号，以使驱动信号的电平恒定。 放大器电路7具有放大因子特性，用于根据参考信号的变化或驱动电路的驱动信号的变化来反向放大输出信号。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2008058212A

公开(公告)日：2008-03-13

申请号：JP2006237228

申请日：2006-09-01

Applicant: Matsushita Electric Ind Co Ltd ,  松下電器産業株式会社

Inventor： MURAKAMI HIDEYUKI ,  KAWAI TAKASHI

IPC: G01C19/56 ,  G01C19/5614

Abstract: PROBLEM TO BE SOLVED: To provide an angular velocity sensor whose output characteristic is stable even if it is used under an environment with much temperature variation. SOLUTION: The angular velocity sensor has a sampling control means 45 for sampling, as a signal of angular velocity, an output signal from an output signal detecting circuit 40 when the monitor signal from a monitor signal detecting circuit 39 is a predetermined value. The variation of the output signal due to the temperature variation can be suppressed, therefore, so that the output characteristic is stable even if it is used under the environment with much temperature variation. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：提供一种角速度传感器，其输出特性即使在温度变化大的环境下使用也是稳定的。 解决方案：角速度传感器具有采样控制装置45，当来自监视信号检测电路39的监视信号为预定值时，采样控制装置45用于采样来自输出信号检测电路40的来自角速度的信号作为输出信号 。 可以抑制由于温度变化引起的输出信号的变化，因此即使在温度变化大的环境下使用，输出特性也稳定。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP2008014724A

公开(公告)日：2008-01-24

申请号：JP2006184810

申请日：2006-07-04

Applicant: Citizen Holdings Co Ltd ,  シチズンホールディングス株式会社

Inventor： ARAI ISAO

IPC: G01C19/56 ,  G01C19/5614 ,  G01C19/5628 ,  H03B5/32

Abstract: PROBLEM TO BE SOLVED: To provide a terminal with the function of electrically connecting itself to a circuit in a package in its not-yet mounted state and the function of preventing noise from coming into the circuit in the package with the package mounted on an external device, the terminal used for testing and adjusting the circuit to be built into the package. SOLUTION: The package with an electronic circuit includes an output terminal for outputting an output signal from the electronic circuit, a potential input terminal for setting prescribed potential in the electronic circuit, and a terminal for adjustment used to input/output an adjustment signal for performing circuit adjustment on the electronic circuit. The terminal for adjustment is set at the prescribed potential with the terminal connected to a terminal on the external device side. As to the terminal for adjustment, a signal or voltage for circuit adjustment is input through the terminal into the electronic circuit during the circuit adjustment of the electronic circuit. During actual operation, a power supply voltage and ground voltage are set at a prescribed stable potential without performing signal transfer for circuit adjustment to reduce the entrance of noise into the electronic circuit through the terminal for adjustment. COPYRIGHT: (C)2008,JPO&INPIT

Abstract translation: 要解决的问题：为了提供具有将其自身电连接到其尚未安装状态的封装中的电路的功能的功能，并且具有防止噪声进入包装中的电路的功能，其中封装安装 在外部设备上，终端用于测试和调整要封装的电路。 解决方案：具有电子电路的封装包括用于输出来自电子电路的输出信号的输出端子，用于设置电子电路中的规定电位的电位输入端子和用于输入/输出调整的端子 用于在电子电路上进行电路调整的信号。 将终端连接到外部设备侧的终端，将调整终端设定在规定的电位。 对于调整用端子，在电子电路的电路调整期间，通过端子将用于电路调整的信号或电压输入到电子电路中。 在实际运行中，将电源电压和接地电压设定在规定的稳定电位，而不进行电路调整信号传输，以减少通过端子进入电子电路进行调整。 版权所有（C）2008，JPO＆INPIT

公开(公告)号：JP4021137B2

公开(公告)日：2007-12-12

申请号：JP2000272357

申请日：2000-09-07

Applicant: マイクロストーン株式会社 ,  哲次 森泉

Inventor： 和豊 市川 ,  哲次 森泉 ,  典彦 白鳥

IPC: A61B5/11 ,  A61H1/02 ,  G01C19/00 ,  G01C19/56 ,  G01C19/5614 ,  G01P15/00 ,  G01P15/10

Abstract: PROBLEM TO BE SOLVED: To provide a body action sensing instrument capable of sensing user's body actions including evaluation information of a walk and rehabilitation of a cerebropathic patient, judging whether or not the actions are prescribed actions to display the information, and providing the person himself/herself or a observing person with the information for evaluation. SOLUTION: The body action sensing instrument has a function of judging types and strength of body actions based on a combination of the results of prescribed computation (e.g. dispersion of sensed waveform) on an acceleration output and rotational angular speed which are measured by a device at body side (e.g. wrist watch type) including an action sensor capable of sensing an acceleration in one direction (e.g. vertical direction) and a rotational angular speed in one surface (e.g. including forward/backward direction and vertical direction), and a function of displaying the results.

Abstract translation: 要解决的问题：提供能够感测使用者的身体动作的身体动作感测装置，包括步行和脑部病人康复的评估信息，判断动作是否是规定的显示信息的动作，并且自己提供个人 /自己或具有评估信息的观察者。 解决方案：身体动作感测装置具有根据规定计算结果（例如感测波形的分散）对加速度输出和旋转角速度的组合来判断身体动作的类型和强度的功能，该加速度输出和旋转角速度由装置 包括能够检测一个方向（例如垂直方向）和一个表面中的旋转角速度（例如包括前/后方向和垂直方向）的加速度的动作传感器的身体侧（例如手表型），以及显示 结果。