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    • 2. 发明授权
    • Particle size distribution analyzer
    • 粒度分布分析仪
    • US07499809B2
    • 2009-03-03
    • US11214581
    • 2005-08-30
    • Makoto NaguraYuki IshiiHideyuki IkedaTakuji KurozumiYoshiaki Togawa
    • Makoto NaguraYuki IshiiHideyuki IkedaTakuji KurozumiYoshiaki Togawa
    • G01N31/00
    • G01N15/0211
    • In a measurement system, by suppressing the environmental changes of counter-flow of air, and temperature changes and the like, measurement can be accomplished with stable high precision and replication, and by providing a transparent cell 2 which stores a particles dispersed in a dispersion medium, and a light source which irradiates light onto the particles within the transparent cell 2, and multiple light detectors 5 scattered and arranged to detect the intensity of diffracted/scattered light produced by the irradiation of light, and a computer device 6 which calculates the particle size distribution of the particles based on the light intensity signal output from the light detectors 5, in addition to the establishment of cell storage space S which stores the transparent cell 2 and the equipment storage spaces S1 and S2 which store the light source 41a, the light detector 5, and the optical device 6, the equipment storage spaces S1 and S2 are given tight closed construction separate from the cell storage space S.
    • 在测量系统中,通过抑制空气的逆流的环境变化和温度变化等,可以以稳定的高精度和复制度进行测量,并且通过提供将分散在分散体中的颗粒存储的透明电池2 介质以及将光照射到透明单元2内的微粒上的光源,以及散布并布置成检测由照射光产生的衍射/散射光的强度的多个光检测器5以及计算机 除了建立存储透明单元2的单元存储空间S和存储光源41a的设备存储空间S1和S2之外,基于从光检测器5输出的光强度信号,颗粒的粒度分布, 光检测器5和光学装置6,设备存储空间S1和S2分开给予紧密封闭结构 从细胞储存空间S.
    • 3. 发明申请
    • Particle size distribution analyzer
    • 粒度分布分析仪
    • US20060052944A1
    • 2006-03-09
    • US11214581
    • 2005-08-30
    • Makoto NaguraYuki IshiiHideyuki IkedaTakuji KurozumiYoshiaki Togawa
    • Makoto NaguraYuki IshiiHideyuki IkedaTakuji KurozumiYoshiaki Togawa
    • G06F19/00
    • G01N15/0211
    • In a measurement system, by suppressing the environmental changes of counter-flow of air, and temperature changes and the like, measurement can be accomplished with stable high precision and replication, and by providing a transparent cell 2 which stores a particles dispersed in a dispersion medium, and a light source which irradiates light onto the particles within the transparent cell 2, and multiple light detectors 5 scattered and arranged to detect the intensity of diffracted/scattered light produced by the irradiation of light, and a computer device 6 which calculates the particle size distribution of the particles based on the light intensity signal output from the light detectors 5, in addition to the establishment of cell storage space S which stores the transparent cell 2 and the equipment storage spaces S1 and S2 which store the light source 41a, the light detector 5, and the optical device 6, the equipment storage spaces S1 and S2 are given tight closed construction separate from the cell storage space S.
    • 在测量系统中,通过抑制空气的逆流的环境变化和温度变化等,可以以稳定的高精度和复制度进行测量,并且通过提供将分散在分散体中的颗粒存储的透明电池2 介质以及将光照射到透明单元2内的微粒上的光源,以及散布并布置成检测由照射光产生的衍射/散射光的强度的多个光检测器5以及计算机 除了建立存储透明单元2的单元存储空间S和存储光源的设备存储空间S 1和S 2之外,基于从光检测器5输出的光强度信号,颗粒的粒度分布 如图41a,光检测器5和光学装置6,设备存储空间S1和S2被给予紧密结构 与细胞存储空间S分开。
    • 5. 发明授权
    • Particle size distribution measuring device
    • 粒度分布测量装置
    • US07869037B2
    • 2011-01-11
    • US12174983
    • 2008-07-17
    • Takuji KurozumiYoshiaki Togawa
    • Takuji KurozumiYoshiaki Togawa
    • G01N15/02
    • G01N15/0205
    • This invention may measure the sprayed particle sprayed from the nozzle safely with the use of a conventional particle size distribution measuring device The particle size distribution measuring device may measure particle size distribution of a particle group, and may include a device body comprising a light source that irradiates light on the particle group and a light detector that detects intensity of diffracted light or/and scattered light generated by irradiation of the light, a spray measuring system that introduces a sprayed particle group as being the particle group sprayed from a nozzle into a measuring area between the light source and the light detector, and an ordinary measuring system that arranges a measuring cell that accommodates an ordinary particle group as being a particle group other than the sprayed particle group between the light source and the light detector are arranged to be exchangeable for each other.
    • 本发明可以使用常规的粒度分布测量装置安全地测量从喷嘴喷射的喷雾颗粒。粒度分布测量装置可以测量颗粒组的粒度分布,并且可以包括装置主体,其包括光源, 将光照射在粒子群上,以及检测由光照射产生的衍射光或/和散射光的强度的光检测器,将从喷嘴喷射的粒子群的喷雾粒子群引入测定 光源和光检测器之间的区域,并且布置将容纳普通粒子群的测量单元作为除了在光源和光检测器之间的喷射粒子群以外的粒子群的普通测量系统布置成可更换 对于彼此。
    • 6. 发明申请
    • PARTICLE SIZE DISTRIBUTION MEASURING DEVICE
    • 颗粒尺寸分布测量装置
    • US20090073438A1
    • 2009-03-19
    • US12174983
    • 2008-07-17
    • Takuji KurozumiYoshiaki Togawa
    • Takuji KurozumiYoshiaki Togawa
    • G01N15/02
    • G01N15/0205
    • This invention may measure the sprayed particle sprayed from the nozzle safely with the use of a conventional particle size distribution measuring device The particle size distribution measuring device may measure particle size distribution of a particle group, and may include a device body comprising a light source that irradiates light on the particle group and a light detector that detects intensity of diffracted light or/and scattered light generated by irradiation of the light, a spray measuring system that introduces a sprayed particle group as being the particle group sprayed from a nozzle into a measuring area between the light source and the light detector , and an ordinary measuring system that arranges a measuring cell that accommodates an ordinary particle group as being a particle group other than the sprayed particle group between the light source and the light detector are arranged to be exchangeable for each other.
    • 本发明可以使用常规的粒度分布测量装置安全地测量从喷嘴喷射的喷雾颗粒。粒度分布测量装置可以测量颗粒组的粒度分布,并且可以包括装置主体,其包括光源, 将光照射在粒子群上,以及检测由光照射产生的衍射光或/和散射光的强度的光检测器,将从喷嘴喷射的粒子群的喷雾粒子群引入测定 光源和光检测器之间的区域,并且布置将容纳普通粒子群的测量单元作为除了在光源和光检测器之间的喷射粒子群以外的粒子群的普通测量系统布置成可更换 对于彼此。
    • 7. 发明授权
    • Light scattering particle size distribution measuring apparatus and method of use
    • 光散射粒度分布测量装置及其使用方法
    • US06833918B2
    • 2004-12-21
    • US09974659
    • 2001-10-09
    • Takuji KurozumiYoshiaki Togawa
    • Takuji KurozumiYoshiaki Togawa
    • G01N1502
    • G01N15/0211
    • The present invention provides a light scattering particle size distribution measuring apparatus, which does not require a burdensome optical axis adjustment of operator for every measurement and which is capable of maintaining a state most suitable for measuring. In the present invention, the light scattering particle size distribution measuring apparatus irradiates a sample with light from a light source, detects the resulting scattered light from the sample by a photodetector. Thereafter, the present invention calculates the size distribution of particles in the sample on the basis of the scattered light intensity pattern obtained. In addition, an automatic adjustment mechanism aligns and maintains the central position of the foregoing photodetector with the central position of the foregoing light source.
    • 本发明提供一种光散射粒度分布测量装置,其对于每次测量不需要操作者的繁重的光轴调节,并且能够保持最适合于测量的状态。在本发明中,光散射粒径 分布测量装置用光源照射样品,通过光电检测器检测来自样品的散射光。 此后,本发明基于所获得的散射光强度图案计算样品中颗粒的尺寸分布。 此外,自动调节机构将前述光电检测器的中心位置与前述光源的中心位置对准并保持。
    • 8. 发明授权
    • Laser beam optical axis adjusting mechanism in particle size distribution measuring apparatus
    • 粒度分布测量装置中的激光束光轴调节机构
    • US06407812B1
    • 2002-06-18
    • US09548105
    • 2000-04-12
    • Takuji KurozumiKazuyuki Ikemoto
    • Takuji KurozumiKazuyuki Ikemoto
    • G01N1502
    • G02B7/1827G01N15/0205
    • A laser beam optical adjusting mechanism for a particle size distribution measuring apparatus includes a light source to provide a laser beam for irradiating a sample cell and an optical detector unit for receiving an intensity pattern representing the impact of the laser beam on a cell. A mirror assembly is positioned adjacent the light source to reflect the laser beam to irradiate the sample cell. An actuator unit is provided for adjusting the mirror assembly to line an optical axis of the light source with an optical detector. The actuator unit can be automatically driven by a controller and can be of a compact configuration by the use of a pair of lever members that are pivotally supported and respectively driven by actuators.
    • 一种用于粒度分布测量装置的激光束光学调节机构包括:提供用于照射样品池的激光束的光源和用于接收表示激光束对单元的冲击的强度图案的光学检测器单元。 反射镜组件邻近光源定位,以反射激光束照射样品池。 提供致动器单元,用于调整反射镜组件以用光学检测器对光源的光轴进行排列。 致动器单元可以由控制器自动驱动,并且可以通过使用枢转地支撑并分别由致动器驱动的一对杠杆构件而具有紧凑的构造。
    • 10. 发明授权
    • Particle characterization device
    • 粒子表征装置
    • US08625093B2
    • 2014-01-07
    • US13121170
    • 2009-09-25
    • Tetsuji YamaguchiTatsuo IgushiTakuji Kurozumi
    • Tetsuji YamaguchiTatsuo IgushiTakuji Kurozumi
    • G01N15/02G01N21/00G01J4/00
    • G01N15/0205G01N21/21G01N21/53G01N2015/0294G01N2015/03
    • Provided is a particle characterization device that can ensure measurement accuracy even though light detecting means has a single configuration, and enables the number of optical elements to be decreased as much as possible to suppress cost increase and reduce the number of adjustment places, and the particle characterization device has an incident side polarizer and an incident side ¼ wavelength plate as an illumination optical system mechanism and, as a light receiving optical system mechanism, an exit side ¼ wavelength plate and an exit side polarizer that can be rotated to a plurality of angle positions around a cell, wherein light attenuating means that prevents a polarization state from being changed is provided on a light path, and a light attenuation rate by the light attenuating means is controlled such that a detected light intensity at each measurement position falls within a measurement range of light detecting means.
    • 提供了即使光检测装置具有单一结构也能够确保测量精度的粒子表征装置,并且能够尽可能多地减少光学元件的数量以抑制成本增加并减少调整位置的数量,并且粒子 表征装置具有入射侧偏振器和入射侧¼波长板作为照明光学系统机构,并且作为光接收光学系统机构,出射侧¼波长板和出射侧偏振器可以旋转到多个角度 在光通路上设置有围绕电池的位置,其中防止偏振状态改变的光衰减装置被设置在光路上,并且控制光衰减装置的光衰减率,使得每个测量位置处的检测光强度落入测量 光检测装置的范围。