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    • 22. 发明授权
    • Magnetic array sensor circuit having offset variation reduction circuit
    • 具有偏移变化减小电路的磁性阵列传感器电路
    • US08283913B2
    • 2012-10-09
    • US13064763
    • 2011-04-13
    • Toru TakahashiShoji Kawahito
    • Toru TakahashiShoji Kawahito
    • G01B7/30
    • G01D5/145
    • A magnetic array sensor circuit to process an output from a magnetic sensor array including a plurality of magnetic sensor elements arranged in an array. The circuit includes a regulating circuit to reduce an offset variation of the output from the magnetic sensor elements arranged in the array. The regulating circuit includes a control circuit to operate the magnetic sensor element in a linear region. The control circuit includes a reference sensor element in the form of the magnetic sensor element short-circuited between two output terminals, a storage element to store a reference offset value read out from the reference sensor element, and a subtraction circuit to subtract the stored reference offset value from an output of the other magnetic sensor elements.
    • 一种用于处理来自包括以阵列布置的多个磁传感器元件的磁传感器阵列的输出的磁阵列传感器电路。 该电路包括调节电路,以减少输出与布置在阵列中的磁传感器元件的偏移偏差。 调节电路包括用于在线性区域中操作磁性传感器元件的控制电路。 控制电路包括在两个输出端子之间短路的磁传感器元件形式的参考传感器元件,存储从参考传感器元件读出的基准偏移值的存储元件,以及减去所存储的参考值的减法电路 偏移值与其他磁传感器元件的输出。
    • 23. 发明授权
    • Reference current generating circuit
    • 参考电流发生电路
    • US08278996B2
    • 2012-10-02
    • US12716831
    • 2010-03-03
    • Kazuhiko MikiToru Takahashi
    • Kazuhiko MikiToru Takahashi
    • G05F1/10
    • G11C5/147
    • A reference current generating circuit includes an operational amplifier having one input terminal to receive a reference voltage and a field effect transistor having a gate to receive an output voltage of the operational amplifier. k resistors (k is an integer not less than 2) are connected in series to a drain of the field effect transistor, and a voltage at one of connection points of the resistors is feed backed to the other input terminal of the operational amplifier. A switch selects one of the connection points of the resistors and applies the voltage of the selected connection point as a reference voltage to a gate of a reference transistor to generate a reference current.
    • 参考电流产生电路包括具有用于接收参考电压的一个输入端的运算放大器和具有接收运算放大器的输出电压的栅极的场效应晶体管。 k电阻器(k是不小于2的整数)串联连接到场效应晶体管的漏极,并且电阻器的一个连接点处的电压被馈送到运算放大器的另一个输入端子。 开关选择电阻器的一个连接点,并将所选择的连接点的电压作为参考电压施加到参考晶体管的栅极以产生参考电流。
    • 25. 发明授权
    • Substrate bonded MEMS sensor
    • 基板结合MEMS传感器
    • US08207586B2
    • 2012-06-26
    • US12560645
    • 2009-09-16
    • Kiyoshi SatoKiyoshi KobayashiYoshitaka UtoKatsuya KikuiriKazuyoshi TakahashiJun SuzukiHideki GochouToru TakahashiHisanobu Ohkawa
    • Kiyoshi SatoKiyoshi KobayashiYoshitaka UtoKatsuya KikuiriKazuyoshi TakahashiJun SuzukiHideki GochouToru TakahashiHisanobu Ohkawa
    • H01L29/84
    • B81B7/007B81B2207/097
    • A MEMS sensor includes a first substrate; a second substrate; a movable electrode portion and a fixed electrode portion which are arranged between the first substrate and the second substrate, wherein: conductive supporting portions of the movable electrode portion and the fixed electrode portion are, respectively, fixedly secured to a surface of the first substrate via a first insulating layer; a second insulating layer, a lead layer buried into the second insulating layer, and connection electrode portions that are electrically connected to the lead layer to be individually connected to the conductive supporting portions are provided on a surface of the second substrate; a metallic connection layer is formed on the surface of one of the respective conductive supporting portions; one of the respective connection electrode portions and the metallic connection layer are bonded together by eutectic bonding or diffusion bonding; and, at least each of the connection electrode portions has a thickness of about 4 μm or smaller.
    • MEMS传感器包括第一基板; 第二基板; 布置在所述第一基板和所述第二基板之间的可移动电极部分和固定电极部分,其中:所述可动电极部分和所述固定电极部分的导电支撑部分分别固定地固定到所述第一基板的表面, 第一绝缘层; 第二绝缘层,埋入第二绝缘层中的引线层和与导电层电连接以连接到导电支撑部分的连接电极部分设置在第二基板的表面上; 在各个导电支撑部分之一的表面上形成金属连接层; 各个连接电极部分和金属连接层中的一个通过共晶接合或扩散接合结合在一起; 并且至少每个连接电极部分具有约4μm或更小的厚度。
    • 26. 发明申请
    • ROTATION DETECTING DEVICE AND BEARING EQUIPPED WITH ROTATION DETECTING DEVICE
    • 旋转检测装置和带旋转检测装置的轴承
    • US20120086440A1
    • 2012-04-12
    • US13378238
    • 2010-06-10
    • Kiyotake ShibataToru TakahashiTakayuki Norimatsu
    • Kiyotake ShibataToru TakahashiTakayuki Norimatsu
    • G01B7/30
    • G01P3/487F16C41/007G01D5/145G01D5/2451G01P3/443
    • A rotation detecting device, which is compatible regardless of whether a process control device for processing an output signal of the rotation detecting device is standard one or new one having high input signal resolving power, and, also, a rotation detecting device equipped bearing assembly having such rotation detecting device, are provided. The rotation detecting device includes an encoder provided rotatably and having a plurality of circumferentially equidistantly arranged to-be-detected poles, and a sensor for detecting the to-be-detected poles. The use is made of a multiplying unit for multiplying the phase of the to-be-detected poles from an output of the sensor. The use is also made of a pulse outputting unit for receiving an output of the multiplying unit or both the output of the multiplying unit and an output of the sensor and output pulses having two multiplying powers different from each other.
    • 无论用于处理旋转检测装置的输出信号的处理控制装置是否具有高输入信号分辨能力的标准或新的旋转检测装置,以及具有旋转检测装置的轴承组件,其具有相互兼容的旋转检测装置, 提供这种旋转检测装置。 旋转检测装置包括可旋转地设置并且具有多个周向等距布置的待检测磁极的编码器和用于检测待检测磁极的传感器。 使用乘法单元,用于将待检测的极点的相位与传感器的输出相乘。 还使用脉冲输出单元,用于接收乘法单元的输出或乘法单元的输出和传感器的输出以及具有彼此不同的两个乘法功率的输出脉冲。
    • 30. 发明申请
    • Sensor-equipped bearing for wheel
    • 带传感器的轴承用于车轮
    • US20110185823A1
    • 2011-08-04
    • US13064738
    • 2011-04-12
    • Kentarou NishikawaToru TakahashiTakayuki NorimatsuYujiro OnoKentaro Ikki
    • Kentarou NishikawaToru TakahashiTakayuki NorimatsuYujiro OnoKentaro Ikki
    • G01L1/00
    • F16C19/522F16C19/186F16C2326/02G01L5/0019
    • A sensor equipped wheel support bearing assembly includes rolling elements (5) interposed between double row rolling surfaces (3, 4) defined respectively in outer and inner members (1, 2) in face-to-face relation with each other. One of the inner and outer members, which serves as a stationary member, has an outer diametric surface provided with three or more sensor units (20). Each of the sensor units includes a strain generating member (21) having two or more contact fixing segments, fixed to the outer diametric surface of the stationary member in contact with therewith, and one or more strain sensors (22) fitted to the strain generating member for detecting a strain occurring in the strain generating member. A load estimating section (31, 32) is provided for estimating a radial load and an axial load in the wheel support bearing assembly, from respective output signals of the sensors.
    • 传感器配备的车轮支承轴承组件包括彼此面对面地分别设置在分别位于外部件和内部构件(1,2)中的双列滚动表面(3,4)之间的滚动元件(5)。 用作固定构件的内部和外部构件中的一个具有设置有三个或更多个传感器单元(20)的外径表面。 每个传感器单元包括具有两个或更多个接触固定段的应变发生部件(21),该接触固定部分固定到与其接触的固定部件的外径表面,以及一个或多个应变传感器(22) 用于检测应变发生部件中发生的应变的部件。 根据传感器的输出信号,提供负载估计部分(31,32),用于估计车轮支撑轴承组件中的径向载荷和轴向载荷。