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    • 16. 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。
    • 17. 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。
    • 19. 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。