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    • 1. 发明授权
    • Inertial sensor
    • 惯性传感器
    • US08943890B2
    • 2015-02-03
    • US13563557
    • 2012-07-31
    • Heewon JeongHiroshi Fukuda
    • Heewon JeongHiroshi Fukuda
    • G01P15/097G01C19/5719G01P15/125
    • G01P15/097G01C19/5719G01P15/125
    • One inertial sensor detects an acceleration in a driving direction as well as an angular rate about one axis and an acceleration in a detecting direction at the same time. A driving-direction acceleration detecting unit is provided to members vibrating in mass members on the left and right via an elastic body. In this manner, when an acceleration is applied in the driving direction, the mass members on the left and right normally vibrated with a same amplitude and in opposite phases have displacement amounts in a same phase, and the driving-direction acceleration detecting unit detects the displacement amounts in the same phase as a capacitance change, thereby detecting the acceleration in the driving direction.
    • 一个惯性传感器同时检测驱动方向上的加速度以及围绕一个轴的角速度和检测方向上的加速度。 驱动方向加速度检测单元经由弹性体向左右的质量构件振动的构件设置。 以这种方式,当在驱动方向上施加加速度时,左右的质量构件以相同的振幅和相反的相位正常地振动,具有相同相位的位移量,并且驱动方向加速度检测单元检测 位移量与电容变化相同,从而检测驱动方向上的加速度。
    • 2. 发明授权
    • Inertial sensor
    • 惯性传感器
    • US08250916B2
    • 2012-08-28
    • US12189920
    • 2008-08-12
    • Heewon JeongHiroshi Fukuda
    • Heewon JeongHiroshi Fukuda
    • G01P15/00
    • G01P15/097G01C19/5719G01P15/125
    • One inertial sensor detects an acceleration in a driving direction as well as an angular rate about one axis and an acceleration in a detecting direction at the same time. A driving-direction acceleration detecting unit is provided to members vibrating in mass members on the left and right via an elastic body. In this manner, when an acceleration is applied in the driving direction, the mass members on the left and right normally vibrated with a same amplitude and in opposite phases have displacement amounts in a same phase, and the driving-direction acceleration detecting unit detects the displacement amounts in the same phase as a capacitance change, thereby detecting the acceleration in the driving direction.
    • 一个惯性传感器同时检测驱动方向上的加速度以及围绕一个轴的角速度和检测方向上的加速度。 驱动方向加速度检测单元经由弹性体向左右的质量构件振动的构件设置。 以这种方式,当在驱动方向上施加加速度时,左右的质量构件以相同的振幅和相反的相位正常地振动,具有相同相位的位移量,并且驱动方向加速度检测单元检测 位移量与电容变化相同,从而检测驱动方向上的加速度。
    • 3. 发明申请
    • INERTIAL SENSOR
    • 惯性传感器
    • US20100037691A1
    • 2010-02-18
    • US12189920
    • 2008-08-12
    • Heewon JeongHiroshi Fukuda
    • Heewon JeongHiroshi Fukuda
    • G01C19/56G01P15/125
    • G01P15/097G01C19/5719G01P15/125
    • One inertial sensor detects an acceleration in a driving direction as well as an angular rate about one axis and an acceleration in a detecting direction at the same time. A driving-direction acceleration detecting unit is provided to members vibrating in mass members on the left and right via an elastic body. In this manner, when an acceleration is applied in the driving direction, the mass members on the left and right normally vibrated with a same amplitude and in opposite phases have displacement amounts in a same phase, and the driving-direction acceleration detecting unit detects the displacement amounts in the same phase as a capacitance change, thereby detecting the acceleration in the driving direction.
    • 一个惯性传感器同时检测驱动方向上的加速度以及围绕一个轴的角速度和检测方向上的加速度。 驱动方向加速度检测单元经由弹性体向左右的质量构件振动的构件设置。 以这种方式,当在驱动方向上施加加速度时,左右的质量构件以相同的振幅和相反的相位正常地振动,具有相同相位的位移量,并且驱动方向加速度检测单元检测 位移量与电容变化相同,从而检测驱动方向上的加速度。
    • 4. 发明授权
    • Inertial sensor
    • 惯性传感器
    • US07513155B2
    • 2009-04-07
    • US11566399
    • 2006-12-04
    • Heewon JeongHiroshi Fukuda
    • Heewon JeongHiroshi Fukuda
    • G01C19/00
    • G01C19/5747
    • Four sensor units (SUA1 to SUA4) are disposed symmetrically about a point, on both top and bottom and left and right centering around one point of a support (15e). Furthermore, four sensor units (SUA1 to SUA4) are designed so that all the components are fully in tuning-fork structure. Drive frames (5, 5) of the sensor units (SUA1, SUA2) disposed adjacent to each other in a first direction (Y) are vibrated in mutually inverted phases, and drive frames of the other sensor units (SUA3, SUA4) disposed adjacent to each other in a second direction (X) are vibrated in mutually inverted phases as well. Moreover, the drive frames of the sensor units (SUA1, SUA2) and the drive frames of the other sensor units (SUA3, SUA4) are operated in synchronization in the state in which phases are shifted by 90 degrees. Whereby, it is possible to reduce or prevent vibration coupling in the driving direction and in the detection direction, and the leakage (loss) of excitation energy and Coriolis force. Thereby, performance of an inertial sensor is improved.
    • 四个传感器单元(SUA1至SUA4)围绕位于顶部和底部以及围绕支撑件(15e)的一个点的中心的左右对称地布置。 此外,四个传感器单元(SUA1至SUA4)被设计成使得所有组件完全处于音叉结构中。 在第一方向(Y)上彼此相邻设置的传感器单元(SUA1,SUA2)的驱动框架(5,5)以相互反相的方式振动,并且相邻设置的其它传感器单元(SUA3,SUA4)的驱动框架 在第二方向(X)上彼此相反地相互振动。 此外,传感器单元(SUA1,SUA2)的驱动框架和其他传感器单元(SUA3,SUA4)的驱动框架在相位偏移90度的状态下同步地操作。 由此,可以减少或防止在驱动方向和检测方向上的振动耦合,以及激发能和科里奥利力的泄漏(损失)。 由此,提高了惯性传感器的性能。
    • 5. 发明授权
    • Sensor module and sensor system
    • 传感器模块和传感器系统
    • US09279827B2
    • 2016-03-08
    • US13976372
    • 2011-11-24
    • Daisuke MaedaHeewon JeongMasahide Hayashi
    • Daisuke MaedaHeewon JeongMasahide Hayashi
    • G01P21/00G01C19/5776G01C21/16
    • G01P21/00G01C19/5776G01C21/16
    • Reliability and accuracy of a sensor are secured while adjustment cost of a sensor module is suppressed. A signal component analysis part 10 receives a signal output from a signal processing part 7 before passing through a low-pass filter 8, analyzes whether or not application of a fragile frequency with respect to a physical quantity is equal to or more than a threshold level, if the application of the fragile frequency is equal to or more than the threshold level, outputs output stop signals to output signal control parts 9, 16. The output signal control parts 9, 16 receive control signals output from the signal component analysis part 10, and outputs an acceleration signal and a physical quantity signal from which noise has been removed by the low-pass filters 8, 15 through the signal processing parts 7, 14.
    • 确保传感器模块的调整成本得到抑制,从而确保传感器的可靠性和精度。 信号分量分析部分10在通过低通滤波器8之前接收从信号处理部分7输出的信号,分析相对于物理量的脆弱频率的施加是否等于或大于阈值水平 如果脆弱频率的应用等于或大于阈值电平,则将输出停止信号输出到输出信号控制部9,16。输出信号控制部9,16接收从信号分量分析部10输出的控制信号 并且通过信号处理部件7,14输出通过低通滤波器8,15除去噪声的加速度信号和物理量信号。
    • 7. 发明申请
    • Inertial Sensor
    • 惯性传感器
    • US20110132089A1
    • 2011-06-09
    • US13058571
    • 2009-07-28
    • Heewon JeongKiyoko Yamanaka
    • Heewon JeongKiyoko Yamanaka
    • G01P15/125G01P15/00
    • G01P15/125G01P1/023G01P2015/0814
    • In order to provide an inertial sensor such as an acceleration sensor which can be downsized and in which a high SNR can be obtained as having a plurality of measurement ranges, an inertial sensor for detecting an inertial force of acceleration based on an electrostatic capacitance change of a detecting unit includes a plurality of detecting units D1 to D4 each having a different sensitivity defined by a ratio between an applied inertial force and physical quantity generated from each of the detecting units to provide the plurality of measurement ranges. Alternatively, when the inertial sensor includes N (a natural number of 2 or larger) pieces of movable units 6a to 6c, (N+1) or more types of measurement ranges are provided.
    • 为了提供惯性传感器,例如加速度传感器,其可以被小型化并且可以获得具有多个测量范围的高SNR,用于基于静电电容变化来检测加速度惯性力的惯性传感器 检测单元包括多个检测单元D1至D4,每个检测单元具有由施加的惯性力与从每个检测单元产生的物理量之间的比率定义的不同灵敏度,以提供多个测量范围。 或者,当惯性传感器包括N(自然数2以上)的可动单元6a〜6c,(N + 1)以上的测量范围。
    • 8. 发明授权
    • Inertial sensor
    • 惯性传感器
    • US09229025B2
    • 2016-01-05
    • US13811950
    • 2011-08-08
    • Kiyoko YamanakaHeewon JeongToshiaki NakamuraMasahide Hayashi
    • Kiyoko YamanakaHeewon JeongToshiaki NakamuraMasahide Hayashi
    • G01P5/08G01P3/44G01P15/125G01C19/5747G01P21/00G01P15/08
    • G01P15/125G01C19/5747G01P15/0802G01P21/00G01P2015/0814
    • In order to provide an inertial sensor capable of suppressing a wrong diagnosis even in an adverse environment such that sudden noise occurs, an inertial sensor is provided with a movable part (105), a first detection unit (C1, C2) for detecting the amount of displacement of the movable part (105), a forced vibration means (503, C3, C4) for forcedly vibrating the movable part (105) by applying a diagnosis signal, a physical quantity calculation unit (502) for calculating the physical quantity from a detection signal from the first detection unit (C1, C2), and an abnormality determination unit (504) for determining the presence or absence of the abnormality for the physical quantity using the diagnosis signal obtained via the first detection unit (C1, C2), and is used within a vehicle, the inertial sensor further comprising a second sensor (510) mounted in the same vehicle and connected to the abnormality determination unit (504).
    • 为了提供一种惯性传感器,即使在出现突发噪声的不利环境下也能够抑制错误的诊断,惯性传感器设置有可动部(105),第一检测单元(C1,C2) 通过施加诊断信号对可动部(105)进行强制振动的强制振动装置(503,C3,C4);物理量计算部(502),用于计算物理量 来自第一检测单元(C1,C2)的检测信号和用于通过经由第一检测单元(C1,C2)获得的诊断信号来确定物理量的异常的存在或不存在的异常确定单元(504) ,并且在车辆内使用,惯性传感器还包括安装在同一车辆中并连接到异常判定单元(504)的第二传感器(510)。