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    • 22. 发明授权
    • Wheel bearing with sensor
    • 带传感器的车轮轴承
    • US08449194B2
    • 2013-05-28
    • US12733677
    • 2008-09-16
    • Hiroshi IsobeToru Takahashi
    • Hiroshi IsobeToru Takahashi
    • F16C41/00
    • G01L5/0019B60B27/0068F16C19/186F16C19/522F16C2326/02
    • A sensor-equipped wheel support bearing assembly capable of accurately detecting load without affected by hysteresis is provided. The assembly includes a vehicle body fitting flange having bolt holes at respective circumferential portions in the form of projecting pieces. A sensor unit including a strain generating member having contact fixing segments to be fixed to the stationary member and a cutout portion, and a sensor element for detecting strain in a periphery of the cutout portion is provided with the contact fixing segments at positions of the same size in an axial direction relative to the outer diametric surface of the stationary member. The contact fixing segments are spaced each other an angle about an axis of the stationary member, and the angle between the contact fixing segments at respective end portions of the sensor unit is smaller than half the angle between the projecting pieces.
    • 提供了一种能够精确检测负载而不受滞后影响的传感器配置的车轮支撑轴承组件。 组件包括车身安装凸缘,其在突出件形式的相应圆周部分处具有螺栓孔。 一种传感器单元,包括具有固定到固定构件上的接触固定部分和切口部分的应变发生部件,以及用于检测切口部分周围的应变的传感器元件,在相同的位置设置有接触固定部件 在相对于固定构件的外径表面的轴向上的尺寸。 接触固定部分彼此隔开一定角度关于固定部件的轴线,并且传感器单元各自端部处的接触固定部分之间的角度小于突出片之间的角度的一半。
    • 23. 发明授权
    • Readout circuit and semiconductor storage device
    • 读出电路和半导体存储设备
    • US08391071B2
    • 2013-03-05
    • US13050060
    • 2011-03-17
    • Toru Takahashi
    • Toru Takahashi
    • G11C16/28
    • G11C16/28G11C7/08G11C16/34
    • A readout circuit has a sense amplifier to compare a cell current which changes according to whether a memory cell is on or off to a reference current to output a comparison signal of a first logic value upon detecting that the cell current is smaller than the reference current, and to output a comparison signal of a second logic value upon detecting that the cell current is greater than the reference current, the readout circuit outputting a data output signal depending upon an output of the sense amplifier. The reference current is set to be greater than a middle value between a first cell current, which flows when the memory cell is in an off-state, and a second cell current, which flows when the memory cell is in an on-state, the reference current is greater than the first cell current and is smaller than the second cell current. The sense amplifier outputs the comparison signal of the second logic value unless the sense amplifier detects that the cell current is smaller than the reference current as a result of a comparison made between the cell current and the reference current, wherein the sense amplifier outputs the comparison signal of the second logic value regardless of whether the sense amplifier detects that the cell current is greater than the reference current.
    • 读出电路具有读出放大器,用于将根据存储器单元是否导通的单元电流与基准电流进行比较,以在检测到单元电流小于参考电流时输出第一逻辑值的比较信号 并且在检测到单元电流大于参考电流时输出第二逻辑值的比较信号,读出电路根据读出放大器的输出输出数据输出信号。 参考电流被设定为大于当存储器单元处于关闭状态时流动的第一单元电流与当存储器单元处于导通状态时流动的第二单元电流之间的中间值, 参考电流大于第一单元电流并且小于第二单元电流。 感测放大器输出第二逻辑值的比较信号,除非感测放大器作为单元电流和参考电流之间的比较结果,检测到单元电流小于参考电流,其中读出放大器输出比较 无论读出放大器是否检测到单元电流大于参考电流,都是第二逻辑值的信号。
    • 25. 发明授权
    • Sensor-equipped bearing for wheel
    • 带传感器的轴承用于车轮
    • US08346490B2
    • 2013-01-01
    • US12449451
    • 2008-02-01
    • Hiroshi IsobeToru TakahashiTakayoshi Ozaki
    • Hiroshi IsobeToru TakahashiTakayoshi Ozaki
    • G01L5/00
    • G01L5/0019F16C19/186F16C19/522F16C2326/02
    • There is provided a sensor equipped wheel support bearing assembly including an outer member having an inner periphery formed with a plurality of rolling surfaces defined therein, an inner member having an outer periphery formed with rolling surfaces opposed to those rolling surfaces and a plurality of rows of rolling elements interposed between those rolling surfaces. One of the outer and inner members serving as a stationary member is provided with a strain amplifying mechanism for amplifying a strain in the stationary member, which occurs when the rolling elements pass by. A strain sensor element is provided for detecting the strain amplified by the strain amplifying mechanism. A calculator is provided for calculating from an output of the strain sensor element, the load acting on the bearing assembly or the load acting between the vehicle wheel and the road surface.
    • 提供一种具有传感器的轮支撑轴承组件,其包括:外部构件,其具有形成有限定在其中的多个滚动面的内周;内部构件,其外周形成有与该滚动面相对的滚动面, 插入在这些滚动表面之间的滚动元件。 作为固定部件的外部和内部部件中的一个设置有用于放大在滚动元件通过时发生的固定部件中的应变的应变放大机构。 提供一种应变传感器元件,用于检测由应变放大机构放大的应变。 提供了一种计算器,用于根据应变传感器元件的输出,作用在轴承组件上的负载或作用在车轮和路面之间的负载进行计算。
    • 27. 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。
    • 28. 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。
    • 30. 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。