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    • 71. 发明授权
    • Thermal airflow meter
    • 热气流计
    • US07269999B2
    • 2007-09-18
    • US10560896
    • 2006-03-05
    • Hiroshi NakanoMasamichi YamadaMasahiro MatsumotoIzumi WatanabeKeiji Hanzawa
    • Hiroshi NakanoMasamichi YamadaMasahiro MatsumotoIzumi WatanabeKeiji Hanzawa
    • G01F1/68
    • G01F1/6965G01F1/6842G01F1/696
    • A thermal airflow meter excellent in flow-rate measurement accuracy is provided. The airflow meter has a flow-rate measuring element comprising a heat resistor and a temperature-compensating resistor which are formed on the a first base member. A second base member of the airflow meter, provided with a drive circuit and a signal processor, is housed in a casing holding the flow-rate measuring element. The flow-rate measuring element is disposed in an air passage. Of two temperature sensors for measuring temperature at each of two points in the thermal airflow meter, respectively, a first temperature sensor is provided on the fist substrate of the flow-rate measuring element, and a second temperature sensor is provided inside the casing. The signal processor has a function of computing an airflow rate, an air temperature, and an air passage wall face temperature on the basis of an output signal of the flow-rate measuring element and respective output signals of the first and second sensors.
    • 提供流量测量精度优异的热气流计。 气流计具有流量测量元件,其包括形成在第一基底构件上的热电阻器和温度补偿电阻器。 具有驱动电路和信号处理器的气流计的第二基座容纳在保持流量测量元件的壳体中。 流量测量元件设置在空气通道中。 在用于在热气流计的两点测量温度的两个温度传感器中,分别在流量测量元件的第一基底上设置第一温度传感器,并且在壳体内部设置第二温度传感器。 信号处理器具有基于流量测量元件的输出信号和第一和第二传感器的各个输出信号来计算气流速率,空气温度和空气通道壁面温度的功能。
    • 74. 发明授权
    • Thermal flow meter and control system
    • 热流量计和控制系统
    • US07565255B2
    • 2009-07-21
    • US10953608
    • 2004-09-30
    • Atsushi KankeIzumi WatanabeKeiji Hanzawa
    • Atsushi KankeIzumi WatanabeKeiji Hanzawa
    • G01F1/12
    • G01F1/696G01F1/6845
    • In regard to an output of an intake flow meter for an internal combustion engine, a pulsation error can be reduced and dispersion in correction at the time of correction of response delay (a recovering of response delay) is reduced. A digital device is used for pre-processing of a control unit for inputting a flow rate measuring signal. An output voltage of the flow sensor is converted into a digital value, the digital value is converted into a flow rate and adds a response delay. The control unit detects a degree of response delay in reference to dispersion in a clock signal so as to perform response delay recovering and reduce dispersion of the response delay.
    • 关于用于内燃机的进气流量计的输出,可以减小脉动误差,并且在响应延迟校正时(响应延迟的恢复)减小时的校正偏差。 数字装置用于预处理用于输入流量测量信号的控制单元。 流量传感器的输出电压被转换为数字值,数字值被转换为流量并增加响应延迟。 控制单元根据时钟信号中的色散来检测响应延迟的程度,以便执行响应延迟恢复并减少响应延迟的偏差。
    • 75. 发明申请
    • THERMAL TYPE FLOW SENSOR
    • 热流型传感器
    • US20080016959A1
    • 2008-01-24
    • US11779128
    • 2007-07-17
    • Hiroshi NAKANOMasamichi YamadaMasahiro MatsumotoIzumi Watanabe
    • Hiroshi NAKANOMasamichi YamadaMasahiro MatsumotoIzumi Watanabe
    • G01F1/68G01F1/69
    • G01F1/6842G01F1/6845
    • A thermal type flow sensor includes a base portion provided along the direction of a fluid flowing through a main passage, and a sensor element mounted on the base portion and having an exothermic resistor formed on a substrate for detecting the fluid flow rate. The base portion has a rectangular recessed portion in which the sensor element fixed so that the surface of the detecting portion of the sensor element is positioned lower than an upper edge of the recessed portion. A wall portion of the measuring passage facing the sensor element is constricted. The exothermic resistor is disposed along the fluid passage and spaced away from the upstream side upper edge of the recessed portion and cannot be substantially affected by a fluid flow disturbance due to a step portion formed between the upper edge of the recessed portion and the detecting portion surface.
    • 热式流量传感器包括沿着流过主通道的流体的方向设置的基部,以及安装在基部上的传感器元件,并且具有形成在基板上的用于检测流体流速的放热电阻。 基部具有矩形凹部,传感器元件被固定成使得传感器元件的检测部分的表面位于比凹部的上边缘低的位置。 面向传感器元件的测量通道的壁部分被收缩。 放热电阻器沿着流体通道设置并且与凹部的上游侧上边缘隔开间隔开,并且不能由于在凹部的上边缘和检测部分之间形成的台阶部分而受到流体流动干扰的显着影响 表面。
    • 78. 发明授权
    • X-ray diagnosis apparatus
    • X光诊断仪
    • US07029177B2
    • 2006-04-18
    • US10662511
    • 2003-09-16
    • Izumi WatanabeMakoto KanekoHisayuki UeharaAkio TetsukaKazutoyo HirayamaAkiko Yamahana
    • Izumi WatanabeMakoto KanekoHisayuki UeharaAkio TetsukaKazutoyo HirayamaAkiko Yamahana
    • H05G1/02
    • A61B6/4441A61B6/06A61B6/4233
    • An X-ray diagnosis apparatus for obtaining an X-ray image comprises an X-ray radiator, a detector, a first mechanism, a second mechanism, a controller, and an image processor. The X-ray radiator is configured to radiate an X-ray to a specimen. The detector is configured to detect an X-ray data resulting from the X-ray. The first mechanism is coupled to the detector and is configured to shift the detector along a detecting plane of the detector. The second mechanism is coupled to the X-ray radiator and is configured to change a radiation direction of the X-ray against the detector. The controller is configured to control the second mechanism in accordance with the shift of the detector. The image processor is coupled to the detector and is configured to prepare a fluoroscopic image data as the X-ray image based on the X-ray data. The image processor also corrects a deformation of the fluoroscopic image data.
    • 用于获得X射线图像的X射线诊断装置包括X射线辐射器,检测器,第一机构,第二机构,控制器和图像处理器。 X射线辐射器被配置为向样本辐射X射线。 检测器被配置为检测由X射线产生的X射线数据。 第一机构耦合到检测器,并被配置成沿检测器的检测平面移动检测器。 第二机构耦合到X射线辐射器,并被配置成改变X射线相对于检测器的辐射方向。 控制器被配置为根据检测器的移位来控制第二机构。 图像处理器耦合到检测器,并且被配置为基于X射线数据来准备透视图像数据作为X射线图像。 图像处理器还校正透视图像数据的变形。