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    • 4. 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)。
    • 6. 发明授权
    • Inertial sensor
    • 惯性传感器
    • US08096180B2
    • 2012-01-17
    • US12273068
    • 2008-11-18
    • Kiyoko YamanakaHeewon Jeong
    • Kiyoko YamanakaHeewon Jeong
    • G01P9/04G01C19/56
    • G01C19/5726G01C19/5755G01P15/125G01P2015/0814
    • Techniques capable of suppressing fixation between a movable electrode and a fixed electrode in an inertial sensor and preventing the inertial sensor from malfunctioning are provided. The movable electrode, the fixed electrode provided so as to face the movable electrode, a peripheral conductor facing both the movable electrode and the fixed electrode, and a demodulation circuit and a voltage adjustment circuit which adjust the electric potential of the peripheral conductor so that the electric potential of the peripheral conductor becomes the same as the electric potential of the movable electrode are provided, and a change in the capacitance between the movable electrode and the fixed electrode is detected.
    • 提供了能够抑制惯性传感器中的可动电极和固定电极之间的固定并防止惯性传感器发生故障的技术。 可动电极,设置成面对可动电极的固定电极,面向可动电极和固定电极的周边导体,以及调整电路和调整电路的电压调节电路, 外围导体的电位变得与设置可动电极的电位相同,并且检测到可动电极与固定电极之间的电容变化。
    • 8. 发明申请
    • INERTIAL SENSOR
    • 惯性传感器
    • US20090126491A1
    • 2009-05-21
    • US12273068
    • 2008-11-18
    • Kiyoko YAMANAKAHeewon Jeong
    • Kiyoko YAMANAKAHeewon Jeong
    • G01P15/125
    • G01C19/5726G01C19/5755G01P15/125G01P2015/0814
    • Techniques capable of suppressing fixation between a movable electrode and a fixed electrode in an inertial sensor and preventing the inertial sensor from malfunctioning are provided. The movable electrode, the fixed electrode provided so as to face the movable electrode, a peripheral conductor facing both the movable electrode and the fixed electrode, and a demodulation circuit and a voltage adjustment circuit which adjust the electric potential of the peripheral conductor so that the electric potential of the peripheral conductor becomes the same as the electric potential of the movable electrode are provided, and a change in the capacitance between the movable electrode and the fixed electrode is detected.
    • 提供了能够抑制惯性传感器中的可动电极和固定电极之间的固定并防止惯性传感器发生故障的技术。 可动电极,设置成面对可动电极的固定电极,面向可动电极和固定电极的周边导体,以及调整电路和调整电路的电压调节电路, 外围导体的电位变得与设置可动电极的电位相同,并且检测到可动电极与固定电极之间的电容变化。
    • 9. 发明申请
    • Switch, semiconductor device, and manufacturing method thereof
    • 开关,半导体器件及其制造方法
    • US20070018761A1
    • 2007-01-25
    • US11472355
    • 2006-06-22
    • Kiyoko YamanakaYasushi Goto
    • Kiyoko YamanakaYasushi Goto
    • H01H51/22
    • H01H1/0036B81B2207/07B81C1/00246B81C2203/0136B81C2203/0735H01H59/0009
    • It is an objective to achieve a MEMS switch which can be mounted with a CMOS circuit and has a contact point with high reliability, both mechanically and electrically. An insulator having a compatibility with a CMOS process is formed at the contact surface of a cantilever beam constituting a MEMS switch and a fixed contact 2 opposite thereto. When the switch is used the cantilever beam is moved by applying a voltage to the pull-in electrode and the cantilever beam. After the cantilever beam makes contact with the fixed contact, a voltage exceeding the breakdown field strength of the insulator is applied to the insulator, resulting in dielectric breakdown occurring. By modifying the insulator once, the mechanical fatigue concentration point of the switch contact point is protected, and a contact point is achieved as well in which electrical signals are transmitted through the current path formed by the dielectric breakdown.
    • 实现可以安装有CMOS电路并具有机械和电气的高可靠性的接触点的MEMS开关的目的。 在构成MEMS开关的悬臂梁和与其相对的固定触头2的接触表面处形成具有与CMOS工艺兼容的绝缘体。 当使用开关时,通过向拉入电极和悬臂梁施加电压来移动悬臂梁。 在悬臂梁与固定触点接触之后,超过绝缘体击穿场强的电压被施加到绝缘体上,导致电介质击穿。 通过改变绝缘体一次,保护开关接触点的机械疲劳浓度点,并且实现接触点,其中电信号通过由电介质击穿形成的电流路径传输。
    • 10. 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。