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    • 4. 发明授权
    • Fiber quality monitor
    • 光纤质量监视器
    • US6052182A
    • 2000-04-18
    • US962973
    • 1997-10-28
    • Glenn E. Irick, Sr.Luo ChengYoue-Tsyr ChuMark A. OverbayHossein M. GhorashiMichael E. GalyonGordon F. Williams
    • Glenn E. Irick, Sr.Luo ChengYoue-Tsyr ChuMark A. OverbayHossein M. GhorashiMichael E. GalyonGordon F. Williams
    • G01N21/89G01N33/36D01G15/46
    • G01N33/362G01N21/8915
    • A fiber quality monitoring apparatus is constructed with a sample window for viewing a fiber sample. As the fiber sample passes the sample window, a bulb is strobed to produce a light pulse that is directed toward and reflected by the fiber sample. When the light pulse reaches a desired intensity, a first photo diode generates a synchronization signal. A second photo diode detects reflected light with a wavelength between about 500 nanometers and about 600 nanometers and produces a reflection signal. A third photo diode detects reflected light with a wavelength between about 430 nanometers and about 530 nanometers and produces a color signal. A charge coupled device camera is positioned to receive the reflected light pulse. The charge coupled device camera has an array of pixels which receive the reflected light pulse. Pixels receiving the reflected light pulse at an intensity below a desired value are designated as dark pixels and pixels receiving the reflected light pulse at an intensity greater than the desired level are designated as light pixels. A prism focuses the reflected light pulse received by the second and third photo diodes, and a transparent block encloses the strobing Xenon bulb and the first photo diode so that the light pulse is conducted from the Xenon bulb to the first diode. Processing means analyze the color signal and the reflection signal and produce a composite value, and a percentage value representing the percentage of dark pixels in the array of dark and light pixels. Furthermore, the processing means recognizes and classifies patterns of dark pixels in the array of light and dark pixels, and controls fiber processing equipment in response to the composite and percentage values.
    • 纤维质量监测装置构造有用于观察纤维样品的样品窗口。 当纤维样品通过样品窗口时,选通灯泡以产生指向纤维样品并由纤维样品反射的光脉冲。 当光脉冲达到期望的强度时,第一光电二极管产生同步信号。 第二光电二极管检测波长在约500纳米至约600纳米之间的反射光,并产生反射信号。 第三光电二极管检测波长在约430纳米至约530纳米之间的反射光,并产生颜色信号。 电荷耦合器件相机被定位成接收反射光脉冲。 电荷耦合器件相机具有接收反射光脉冲的像素阵列。 以低于期望值的强度接收反射光脉冲的像素被指定为暗像素,并且以大于期望电平的强度接收反射光脉冲的像素被指定为光像素。 棱镜将由第二和第三光电二极管接收的反射光脉冲聚焦,并且透明块包围选通氙灯泡和第一光电二极管,使得光脉冲从氙气灯泡传导到第一二极管。 处理装置分析颜色信号和反射信号,并产生一个复合值,以及一个百分比值,表示暗和亮像素阵列中暗像素的百分比。 此外,处理装置识别并分类光和暗像素阵列中的暗像素的图案,并且响应于复合值和百分比值来控制光纤处理设备。
    • 8. 发明授权
    • Fiber property measurement
    • 光纤性能测量
    • US08199319B2
    • 2012-06-12
    • US12493334
    • 2009-06-29
    • Preston S. BaxterYoue-Tsyr ChuHossein M. GhorashiMichael E. Galyon
    • Preston S. BaxterYoue-Tsyr ChuHossein M. GhorashiMichael E. Galyon
    • G01N21/00G01J3/46
    • G01N21/94G01N21/84G01N21/8915G01N2021/8444G01N2021/8466G01N2021/8845
    • A fiber instrument for measuring properties of a fiber sample, the fiber instrument having a surface for receiving the fiber sample, a hand for pressing the fiber sample against the surface, an illumination source for selectively illuminating the fiber sample with more than one peak wavelength, where each of the peak wavelengths is independently controllable as to an applied intensity of the peak wavelength, a sensor for capturing images of the fiber sample while it is illuminated, and a controller for controlling at least the sensor and the illumination source. By providing multiple peak wavelengths of illumination that are each independently controllable as to illumination intensity, the fiber instrument as described herein is better able to detect both foreign material within the fiber sample, and color gradations of the fiber sample.
    • 一种用于测量纤维样品的性能的纤维仪器,具有用于接收纤维样品的表面的纤维器械,用于将纤维样品压靠在表面上的手的照明源,用于以多于一个峰值波长选择性地照射纤维样品的照明源, 其中每个峰值波长对于施加的峰值波长的强度是独立可控的,用于在被照射时捕获光纤样品的图像的传感器,以及用于至少控制传感器和照明源的控制器。 通过提供各自独立地可控于照明强度的多个照明峰值波长,如本文所述的光纤仪器能够更好地检测纤维样品内的异物和纤维样品的颜色渐变。
    • 9. 发明授权
    • Fiber color grading system
    • 光纤颜色分级系统
    • US6040905A
    • 2000-03-21
    • US129271
    • 1998-08-05
    • Luo ChengGlenn E. Irick, Sr.Youe-Tsyr ChuHossein M. GhorashiMichael E. GalyonMark A. Overbay
    • Luo ChengGlenn E. Irick, Sr.Youe-Tsyr ChuHossein M. GhorashiMichael E. GalyonMark A. Overbay
    • G01J3/50D06H3/08G01N21/27G01N21/89G01N21/898G01N21/00
    • G01N21/8915
    • A fiber classing device having a sample window for viewing a fiber sample. A light source provides light that is directed toward and reflected by the fiber sample, producing reflected light. A photo sensitive detector is positioned to receive the reflected light, and it detects lightness, redness, and yellowness of the fiber sample. Processing means assign a preliminary grade to the fiber sample based at least in part on the lightness and yellowness of the fiber sample. The processing means also selectively adjust the preliminary grade to a final grade based at least in part on the redness of the fiber sample. The photo sensitive detector has one or more of a spectrometer, a camera, or a set of three photo diodes. A first photo diode detects light with a wavelength of between about 505 nanometers and about 605 nanometers, corresponding to the lightness of the fiber sample. A second photo diode detects light with a wavelength of between about 430 nanometers and about 530 nanometers, corresponding to the yellowness of the fiber sample. The third photo diode detects light with a wavelength of between about 550 nanometers and about 650 nanometers, corresponding to the redness of the fiber sample. The processing means analyzes the information from the photo sensitive detector to determine the mean redness, variance in lightness, variance in redness, variance in yellowness, contrast in lightness, percent of yellow spots, and contrast in yellowness of the fiber sample. The selective adjustment from the preliminary grade to the final grade is based at least in part on these parameters.
    • 一种具有用于观察纤维样品的样品窗的纤维分级装置。 光源提供指向光纤样品并由其反射的光,产生反射光。 光敏检测器被定位成接收反射光,并且它检测纤维样品的亮度,发红度和黄度。 处理方法至少部分地基于纤维样品的亮度和黄度为纤维样品分配初级。 处理装置还可以至少部分地基于纤维样品的发红度将初级等级选择性地调整到最终等级。 光敏检测器具有一个或多个光谱仪,相机或一组三个光电二极管。 第一光电二极管检测波长为约505纳米至约605纳米的光,对应于光纤样品的亮度。 第二光电二极管检测波长为约430纳米至约530纳米的光,对应于纤维样品的黄度。 第三光电二极管检测波长为约550纳米至约650纳米的光,对应于纤维样品的发红度。 处理装置分析来自光敏检测器的信息,以确定纤维样品的平均发红度,亮度方差,亮度方差,黄度方差,亮度对比度,亮点百分比和黄色对比度。 从初级成绩到最终成绩的选择性调整至少部分依赖于这些参数。