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    • 2. 发明专利
    • Acoustic diagnosis/measurement device by pulse electromagnetic force and diagnosis/measurement method therefor
    • 通过脉冲电磁力进行声学诊断/测量装置及其诊断/测量方法
    • JP2005338105A
    • 2005-12-08
    • JP2005240513
    • 2005-08-22
    • Amikku:Kk株式会社アミック
    • HASHIMOTO MITSUOTAKANABE MASANORI
    • G01N29/04G01N29/00G01N29/22G01N29/44G01N29/18
    • PROBLEM TO BE SOLVED: To provide an acoustic diagnosis/measurement device by pulse electromagnetic force measuring a diameter or a covering depth of a reinforcing of a ferroconcrete structure, and to provide a method therefor.
      SOLUTION: In this method, a coil 12 is disposed on the surface of ferroconcrete 41 comprising the reinforcing 42 and concrete covering the reinforcing 42, a current pulse is applied to the coil 12 to generate a magnetic field pulse, an eddy current is made to be induced in the reinforcing 42 by the magnetic field pulse, the reinforcing 42 is excited by interaction force between the eddy current and the magnetic field pulse to generate sound, vibration of the surface of a reinforcing 43 exposed from the ferroconcrete 41 is converted into an electric signal, and presence/absence of rupture of an electric conductor is diagnosed from intensity of an electric signal. A device using the diagnostic method is also provided.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过测量钢筋混凝土结构的加强件的直径或覆盖深度的脉冲电磁力来提供声学诊断/测量装置,并提供其方法。 解决方案:在该方法中,线圈12设置在钢筋混凝土41的表面上,钢筋混凝土41包括加固层42和覆盖加强层42的混凝土,电流脉冲施加到线圈12以产生磁场脉冲,涡流 通过磁场脉冲在增强件42中被感应,加强件42被涡流与磁场脉冲之间的相互作用力激发以产生声音,从钢筋混凝土41露出的加强件43的表面的振动是 转换为电信号,并且电信号的强度诊断出导体的破裂的存在/不存在。 还提供了使用诊断方法的设备。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • Ultrasonic multiphase flow measurement device and ultrasonic multiphase flow measurement method
    • 超声波多相流量测量装置和超声波多相流量测量方法
    • JP2005292101A
    • 2005-10-20
    • JP2004132166
    • 2004-03-31
    • Hironari Kikura宏成 木倉
    • KIKURA HIRONARIARITOMI MASANORIMURAKAWA HIDEKI
    • G01F1/00G01N29/00G01N29/02G01N29/22G01N29/44G01P5/00G01P13/00G01N29/18
    • G01N2291/02836
    • PROBLEM TO BE SOLVED: To provide a measurement device capable of obtaining speed distribution of a plurality of reflection bodies by using a sensor having ultrasonic elements of a plurality of fundamental frequencies. SOLUTION: The measurement device comprises: the sensor 3 equipped with the ultrasonic elements having the plurality of fundamental frequencies, transmitting the ultrasonic signals of the plurality of different frequencies, and capable of detecting the speed distribution on a straight line using these respective frequencies; a speed distribution meter 6 for calculating each speed distribution by receiving signals of the plurality of frequencies from the using sensors; a signal processing control unit 8 inputs the fundamental information such as the setting positions and angles of the sensors, conditions of objective fluid, and diameters of the ultrasonic elements of the sensor to an arithmetic circuit 7; the arithmetic circuit 7 for computing the speed distribution measured by the different frequencies, for computing the provability density distribution of the speed, and for acquiring the speed distribution of reflection bodies suitable for each ultrasonic wave; an image processor 9 for performing data processing of these computation results; and a display unit 10 for displaying various statistics after the data processing. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种能够通过使用具有多个基本频率的超声波元件的传感器来获得多个反射体的速度分布的测量装置。 解决方案:测量装置包括:传感器3,其配备有具有多个基本频率的超声波元件,发送多个不同频率的超声波信号,并且能够使用这些相应的检测直线上的速度分布 频率; 速度分配计6,用于通过从使用传感器接收多个频率的信号来计算每个速度分布; 信号处理控制单元8将诸如传感器的设置位置和角度,物体流体条件和传感器的超声波元件的直径的基本信息输入到运算电路7; 用于计算由不同频率测量的速度分布的算术电路7,用于计算速度的可验证密度分布,以及用于获取适合于每个超声波的反射体的速度分布; 用于执行这些计算结果的数据处理的图像处理器9; 以及用于在数据处理之后显示各种统计信息的显示单元10。 版权所有(C)2006,JPO&NCIPI
    • 6. 发明专利
    • Quality controlling and testing method of cement improved ground
    • 水泥改良地质质量控制与试验方法
    • JP2005241262A
    • 2005-09-08
    • JP2004047498
    • 2004-02-24
    • Shimizu Corp清水建設株式会社
    • ASAKA MIHARUKATSURA YUTAKA
    • E02D3/12G01N3/00G01N3/08G01N29/00G01N33/24G01N29/18
    • PROBLEM TO BE SOLVED: To determine the proper charging amount of a solidifying material to the improved ground due to a cementitious solidifying agent or the like by a prior indoor test.
      SOLUTION: A test body wherein a plurality of solidifying materials, which are increased with respect to the plan addition amount of the solidifying material, added to a spot soil sample is prepared prior to improve the ground and an indoor test for calculating a shearing wave speed and strength with respect to the test body to set the relation between the shearing wave speed V
      s and uniaxial compression strength q
      u to calculate of a regression curve and the value of the shearing wave speed V
      s calculated with respect to the improved ground immediately after improvement is adapted to the regrassion curve to grasp the strength of the improved ground to confirm an improving effect.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:通过现有的室内试验,确定由于水泥固化剂等而导致的改进的地面的固化材料的适当装料量。 解决方案:一种测试体,其中在改进地面之前制备添加到斑点土壤样品中相对于固化材料的平面添加量增加的多种固化材料,并且进行室内测试以计算 相对于试验体的剪切波速度和强度,设定剪切波速度V s 与单轴压缩强度q u 之间的关系来计算回归曲线, 相对于改进后立即改善的地面计算出的剪切波速度V SB = s的值适用于再生曲线,以掌握改良地面的强度以确认改善效果。 版权所有(C)2005,JPO&NCIPI
    • 8. 发明专利
    • Gas sensor
    • 气体传感器
    • JP2005181122A
    • 2005-07-07
    • JP2003422848
    • 2003-12-19
    • Ngk Spark Plug Co Ltd日本特殊陶業株式会社
    • SATO YOSHIKUNISASANUMA TAKEOTOMONO KEIGOSAKAMOTO MASASHIOTAKE KATSUYA
    • G01N29/02G01N29/00G01N29/18
    • G01N2291/02809
    • PROBLEM TO BE SOLVED: To provide a gas sensor capable of miniaturizing the whole device, by miniaturizing a measuring chamber for measuring the gas concentration of evaporating fuel or the like, using ultrasonic waves.
      SOLUTION: The measurement chamber 30 on this gas sensor 1 is separated into a measuring chamber upper part 31 and a measuring chamber lower part 32 by reflecting plates 18, 19 tilted downwardly by 45 degrees. A purge gas has a passage from a gas inflow hole 28 to a gas outflow hole 29 via the measuring chamber lower part 32, and replacement of the gas in the measuring chamber upper part 31 is performed via an interval between each tip part 22, 23 of the reflecting plates 18, 19 or via a clearance with the sidewall of a casing 2. The ultrasonic waves, transmitted from an ultrasonic element 10, enter a reflecting surface 17 via reflecting surfaces 15, 16, and are reflected in the same axial direction. The reflected waves follow the same path as the propagation path of the transmitted waves, and are received as received waves by the ultrasonic element 10. By not providing a partition wall in the measurement chamber 30, the propagation path of the ultrasonic waves is not formed linearly, and the measuring chamber 30 is miniaturized.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够使整个装置小型化的气体传感器,通过使用超声波使用于测量蒸发燃料等的气体浓度的测量室小型化。 解决方案:该气体传感器1上的测量室30通过向下倾斜45度的反射板18,19分离成测量室上部31和测量室下部32。 吹扫气体经由测量室下部32从气体流入孔28通向气体流出孔29,并且经由每个末端部22,23之间的间隔进行测量室上部31中的气体的更换 的反射板18,19,或者通过与壳体2的侧壁的间隙。超声波从超声波元件10传递,经由反射面15,16进入反射面17,并在相同的轴向反射 。 反射波沿着与发送波的传播路径相同的路径,并且被超声波元件10作为接收波接收。通过在测量室30中不设置分隔壁,不形成超声波的传播路径 并且测量室30被小型化。 版权所有(C)2005,JPO&NCIPI
    • 9. 发明专利
    • Propagation time measuring method of ultrasonic wave, gas concentration measuring method and gas concentration sensor
    • 超声波传播时间测量方法,气体浓度测量方法和气体浓度传感器
    • JP2005134228A
    • 2005-05-26
    • JP2003370236
    • 2003-10-30
    • Ngk Spark Plug Co Ltd日本特殊陶業株式会社
    • TOMONO KEIGOSATO YOSHIKUNISASANUMA TAKEOOI YUJI
    • G01N29/00G01N29/02G01N29/18
    • G01N2291/02809G01N2291/02818G01N2291/02881
    • PROBLEM TO BE SOLVED: To provide a propagation time measuring method of an ultrasonic wave, a gas concentration measuring method and a gas concentration sensor capable of reducing a measurement error of the propagation time of the ultrasonic wave at the attenuation time of the amplitude of a received wave of the ultrasonic wave.
      SOLUTION: The received wave received by an ultrasonic element 5 is transmitted to a receiving amplifying circuit 29 and amplified. The received wave amplified by the receiving amplifying circuit 29 is full-wave rectified by a full-wave rectifying circuit 31, and inputted into a differential amplifying circuit 37 and a comparator 33 as a rectified received wave. The rectified received wave is amplified by the differential amplifying circuit 37, and outputted to a peak hold circuit 39, and a voltage value of a peak of the rectified received wave is taken by the peak hold circuit 39. Then, the voltage value of the peak of the rectified received wave is converted into a digital signal by an A/D control part 25, and outputted to a PID control part 26. The amplification factor in the receiving amplifying circuit 29 is determined by PID control in the PID control part 26, and a control command is transmitted to the receiving amplifying circuit 29.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供超声波的传播时间测量方法,气体浓度测量方法和气体浓度传感器,其能够减小超声波的衰减时间的超声波的传播时间的测量误差 超声波接收波的振幅。 解决方案:由超声波元件5接收的接收波被发送到接收放大电路29并进行放大。 由接收放大电路29放大的接收波被全波整流电路31全波整流,输入到差分放大电路37和作为整流接收波的比较器33。 经整流的接收波由差分放大电路37放大,并输出到峰值保持电路39,由峰值保持电路39取得整流后的接收波的峰值的电压值。然后, 经整流的接收波的峰值由A / D控制部分25转换为数字信号,并输出到PID控制部分26.接收放大电路29中的放大系数由PID控制部分26中的PID控制确定 ,并且控制命令被发送到接收放大电路29.版权所有:(C)2005,JPO&NCIPI
    • 10. 发明专利
    • Method for measuring thickness of layer attached to inner surface of tubular body
    • 用于测量连接到管状体内表面的层厚度的方法
    • JP2005134192A
    • 2005-05-26
    • JP2003368959
    • 2003-10-29
    • Mitsubishi Chemicals Corp三菱化学株式会社
    • TODA HIROMIMURATA YORINOBUMORISADA SHIGEOIGUCHI HIROBUMI
    • G01B17/02G01N29/00G01N29/18G01N29/20
    • PROBLEM TO BE SOLVED: To provide a method capable of estimating or checking a physical property of a layer attached to an inner surface of a tubular body by using ultrasonic waves which are transmitted and received, and capable of accurately presuming the thickness of the layer attached to the inner surface of the tubular body, namely, capable of simply and accurately measuring the thickness of the layer attached to the inner surface of the tubular body in accordance with its physical property.
      SOLUTION: In the method for measuring the thickness of the layer attached to the inner surface of the tubular body, a pair of probes which are a transmitting side probe 2 and a receiving side probe 3, are arranged at a prescribed spacing on an outer surface of the steel tubular body 5 being an object to be inspected, and the ultrasonic waves are transmitted and received by the probes 2, 3, thereby bringing plate waves 6 to propagate through the tubular body 5. Then, velocity or amplitude values of the ultrasonic waves received by the probe 3 are measured at a prescribed range of frequencies being transmitted. A tendency of variation A in the velocity or amplitude values in relation to the above frequencies is investigated. Furthermore, in such a condition that there is no layer attached to the inner surface of the tubular body, or the thickness of the attached layer is known, a reference variation B in the velocity or amplitude values in relation to a prescribed frequency of the ultrasonic waves which are transmitted and received by the probes 2, 3, is investigated. The tendency of variation A is compared with the reference variation B, thereby obtaining an estimation value of the thickness of the layer attached to the inner surface of the tubular body.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够通过使用被发送和接收的超声波来估计或检查附接到管状体的内表面的层的物理性质的方法,并且能够精确地假设厚度 该层附接到管状体的内表面,即,能够根据其物理性质简单且精确地测量附接到管状体的内表面的层的厚度。 解决方案:在用于测量附接到管状体的内表面的层的厚度的方法中,作为发送侧探针2和接收侧探针3的一对探针以规定的间隔布置在 作为检查对象的钢管体5的外表面,由探针2,3传递和接收超声波,从而使板状波6通过管状体5传播。然后,速度或振幅值 在被发送的频率的规定范围内测量由探头3接收的超声波。 研究了与上述频率相关的速度或振幅值的变化趋势A. 此外,在没有附着到管状体的内表面的层或者附着层的厚度已知的条件下,与超声波的规定频率相关的速度或振幅值的参考变化B 研究由探针2,3发送和接收的波。 将变化A的趋势与参考变化B进行比较,从而获得附接到管状体的内表面的层的厚度的估计值。 版权所有(C)2005,JPO&NCIPI