Detection of particles
    61.
    发明授权
    Detection of particles 有权
    颗粒检测

    公开(公告)号:US07671988B2

    公开(公告)日:2010-03-02

    申请号:US11539878

    申请日:2006-10-10

    CPC classification number: G01N21/53 G01J3/10 G01N2201/06153

    Abstract: A device (10) is provided for measuring at least one characteristic (12) related to presence of particles. The device (10) includes a light source unit (16) for emitting light into a region (18) containing particles (20), with the light source being configured to emit light from a plurality of locations in a manner so that the emitted light follows a desired intensity distribution (22), the desired intensity distribution (22) being desired for the measurement of the at least one characteristic (12). In preferred embodiments the intensity distribution is Lambertian.

    Abstract translation: 提供了一种用于测量与颗粒存在有关的至少一个特征(12)的装置(10)。 装置(10)包括用于将光发射到包含颗粒(20)的区域(18)中的光源单元(16),其中光源被配置为以多个位置发射光,使得发射的光 遵循期望的强度分布(22),期望强度分布(22)用于测量至少一个特征(12)。 在优选实施例中,强度分布是朗伯式。

    IMPURITY MEASURING METHOD AND DEVICE
    62.
    发明申请
    IMPURITY MEASURING METHOD AND DEVICE 审中-公开
    重量测量方法和装置

    公开(公告)号:US20090263005A1

    公开(公告)日:2009-10-22

    申请号:US12490249

    申请日:2009-06-23

    Abstract: An impurity measuring device includes a table (T) on which a sample (S) is to be placed with its fracture surface (h) facing up, an illuminating means (7) for irradiating the fracture surface (h) with light (L) from a plurality of directions, an image sensing means for sensing an image of the fracture surface (h) irradiated with the light (L), continuous tone color image processing means for processing the sensed image into a continuous tone color image, and a binarizing means for binarizing the continuous tone color image through comparison between the result of the continuous tone color image processing and a threshold value. As the fracture surface (h) is irradiated with the light (L) from the plurality of directions, the image obtained by sensing the image of the fracture surface (h) is free from shading or optical irregularities caused by minute irregularities on the fracture surface (h). Therefore, impurities in the sample (S) can be accurately detected from the fracture surface (h) by subjecting the image to the continuous tone color image processing and binarization.

    Abstract translation: 一种杂质测量装置,包括:台面(T),其表面(S)的断面(h)面朝上放置在所述台面(T)上;照射装置(7),用光(L)照射断裂面 从多个方向观察用于感测用光(L)照射的断裂面(h)的图像的图像感测装置,用于将感测图像处理成连续色调图像的连续色调图像处理装置,以及二值化 用于通过连续色调图像处理的结果与阈值之间的比较对连续色彩图像进行二值化的装置。 当从多个方向对光(L)照射断裂面(h)时,通过感测断裂面(h)的图像而获得的图像没有由断裂面上的微细凹凸引起的阴影或光学不规则 (H)。 因此,通过对图像进行连续色调图像处理和二值化处理,可以从断裂面(h)精确地检测样品(S)中的杂质。

    Spectroscopic fluid analyzer
    63.
    发明申请
    Spectroscopic fluid analyzer 有权
    光谱流体分析仪

    公开(公告)号:US20040179194A1

    公开(公告)日:2004-09-16

    申请号:US10811534

    申请日:2004-03-29

    Abstract: An NIR spectroscopy fluid analyzing system using a series of LED's, each having its own preselected center wavelength, as illumination sources. These wavelengths have overlapping spectral widths, such that the measurement covers a broad spectrum. The LED's illuminate the fluid sample sequentially, and subsequently the transmission absorbance through the sample and the reflectance or scattering from the sample is measured for the wavelength range of each LED. The measurements are performed using photodetectors. The concentrations of component parts of the fluid are expressed in the form of a polynomial, which is a function of the measured transmitted and/or reflected intensities, and of empirical coefficients, which are extracted by prior statistical analysis on measured intensities obtained from a large number of test samples having known concentrations of the component. A novel sample chamber, capable of performing optical absorption measurements on a flowing sample of fluid, is described.

    Abstract translation: 使用一系列LED(每个具有其自己的预选中心波长)作为照明源的NIR光谱流体分析系统。 这些波长具有重叠的光谱宽度,使得测量覆盖广谱。 LED依次照射流体样品,随后在每个LED的波长范围内测量通过样品的透射吸光度和来自样品的反射或散射。 使用光电检测器进行测量。 流体的组成部分的浓度以多项式的形式表示,多项式是测量的透射和/或反射强度以及经验系数的函数,经验系数是通过先前的统计分析提取的,从大尺寸 具有已知浓度组分的测试样品的数量。 描述了能够对流动的流体样品进行光学吸收测量的新型样品室。

    Spectroscopic fluid analyzer
    64.
    发明申请
    Spectroscopic fluid analyzer 审中-公开
    光谱流体分析仪

    公开(公告)号:US20030098969A1

    公开(公告)日:2003-05-29

    申请号:US09996625

    申请日:2001-11-28

    Abstract: An NIR spectroscopy fluid analyzing system, using a series of LED's, each having its own preselected center wavelength, as illumination sources. These wavelengths have overlapping spectral widths, such that the measurement covers a broad spectrum. The LED's illuminate the fluid sample sequentially, and the transmission absorbence through the sample, and the reflectance or scattering from the sample is measured for the wavelength range of each LED. The measurements are performed using photodetectors. The concentrations of component parts of the fluid are expressed in the form of a polynomial, which is a function of the measured transmitted and/or reflected intensities, and of empirical coefficients, which are extracted by prior statistical analysis on measured intensities obtained from a large number of test samples having known concentrations of the component. A novel sample chamber, capable of performing optical absorption measurements on a flowing sample of fluid is described.

    Abstract translation: NIR光谱流体分析系统,使用一系列LED,每个具有其自己的预选中心波长作为照明源。 这些波长具有重叠的光谱宽度,使得测量覆盖广谱。 LED依次照射流体样品,透过样品的透射吸收,并对每个LED的波长范围测量样品的反射或散射。 使用光电检测器进行测量。 流体的组成部分的浓度以多项式的形式表示,多项式是测量的透射和/或反射强度以及经验系数的函数,经验系数是通过先前的统计分析提取的,从大尺寸 具有已知浓度组分的测试样品的数量。 描述了能够对流动的流体样品进行光学吸收测量的新型样品室。

    Pulsed-array video inspection lighting system
    66.
    发明授权
    Pulsed-array video inspection lighting system 失效
    脉冲阵列视频检测照明系统

    公开(公告)号:US4882498A

    公开(公告)日:1989-11-21

    申请号:US336642

    申请日:1989-04-07

    Abstract: An engineered lighting system for use in an inspection system is comprised of an array of light emitting diodes. A specimen is brought into the viewing area, and a current pulse is provided to the diodes of the array to selectively flash all or a portion of the diodes of the array. Reflected light from the specimen is sensed and a digitized image is generated therefrom. An illumination level of the digitized image is adjustable, in whole or in part, by varying the effective lighting intensity of one or more of the diodes of the array during a flash period. The digitized image of the specimen is compared to data indicative of acceptability of the specimen, and acceptance or rejection of the specimen is decided on a basis of a comparison therebetween.

    Abstract translation: 用于检查系统的工程照明系统由发光二极管阵列组成。 将样本带入观察区域,并且向阵列的二极管提供电流脉冲以选择性地闪烁阵列的二极管的全部或一部分。 检测到来自样本的反射光并从其中产生数字化图像。 通过在闪光期间改变阵列的一个或多个二极管的有效照明强度,数字化图像的照明水平可以全部或部分地调整。 将样本的数字化图像与指示样品可接受性的数据进行比较,并且基于它们之间的比较来确定样品的接受或排除。

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