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1. 发明授权

US06335501B1 Optical paper sorter 失效
标题翻译：光学纸分拣机
公开(公告)号：US06335501B1
公开(公告)日：2002-01-01
申请号：US09497663
申请日：2000-02-04
申请人： Zaheer Khalfan
发明人： Zaheer Khalfan
IPC分类号： B07C5342
CPC分类号： B07C5/365 , B07C5/342 , G01N21/57
摘要： An optical paper sorter that uses diffuse reflectance to identify a sheet of paper as either white or non-white. An illuminating fiber optic bundle carries light from a tungsten halogen lamp onto a sheet of paper. A receiving trifurcated fiber optic bundle collects light that is diffusely reflected from the sheet of paper. The light in each branch of the receiving fiber bundle is incident upon a detector after passing through a color filter positioned between the end of the fiber bundle and the detector. At each detector a specific isolated color (blue, green or red) in the visible range of the electromagnetic spectrum is incident, causing a photo electric voltage to be produced that is proportional to the intensity of the isolated component. A processor uses the mean and standard deviation of relative reflectances that are obtained based on the three voltage signals to determine if the paper is predominantly white or non-white. An air ejection device can be triggered to release a blast of air upon identifying the paper as white, or alternatively, non-white.
摘要翻译：一种使用漫反射来识别白纸或非白色纸的光学纸分类器。照明光纤束将来自钨卤素灯的光携带到一张纸上。接收三折光纤束收集从纸张漫反射的光。接收纤维束的每个分支中的光在通过位于纤维束的端部与检测器之间的滤色器之后入射到检测器上。在每个检测器处，在电磁光谱的可见范围内的特定孤立颜色（蓝色，绿色或红色）入射，导致产生与隔离部件的强度成比例的光电压。处理器使用基于三个电压信号获得的相对反射率的平均值和标准偏差来确定纸张是主要是白色还是非白色。当将纸张识别为白色或者非白色时，可以触发空气喷射装置以释放空气。

2. 发明授权

US07081594B1 Optical paper sorting method device and apparatus 失效
公开(公告)号：US07081594B1
公开(公告)日：2006-07-25
申请号：US09708038
申请日：2000-11-08
申请人： Zaheer Khalfan , Sheldon Greenspan
发明人： Zaheer Khalfan , Sheldon Greenspan
IPC分类号： B07C5/342
CPC分类号： G01N21/4738 , B07C5/342 , B07C5/365
摘要： An optical paper sorting system uses diffuse reflectance to identify a sheet of paper, conveyed on a conveyor, as either white or groundwood grade. A light source illuminates a sheet of paper and an optical collection system collects and filters the light diffusely reflected from the sheet of paper. The reflected light strikes a detector which produces a photoelectric current proportional to the intensity of the filtered light in a specific region in the electromagnetic spectrum, preferably ultraviolet. The signal from the detector may be digitized and processed by a computer which classifies the sheet as either white or groundwood, and activates an ejection device to produce an air blast for diverting whichever grade is selected for ejection.

3. 发明申请

US20060124511A1 Optical paper sorting method device and apparatus 审中-公开
标题翻译：光学纸分选方法装置及装置
公开(公告)号：US20060124511A1
公开(公告)日：2006-06-15
申请号：US11349096
申请日：2006-02-08
申请人： Zaheer Khalfan , Sheldon Greenspan
发明人： Zaheer Khalfan , Sheldon Greenspan
IPC分类号： B07C5/00
CPC分类号： G01N21/4738 , B07C5/342 , B07C5/365
摘要： An optical paper sorting system uses diffuse reflectance to identify a sheet of paper, conveyed on a conveyor, as either white or groundwood grade. A light source illuminates a sheet of paper and an optical collection system collects and filters the light diffusely reflected from the sheet of paper. The reflected light strikes a detector which produces a photoelectric current proportional to the intensity of the filtered light in a specific region in the electromagnetic spectrum, preferably ultraviolet. The signal from the detector may be digitized and processed by a computer which classifies the sheet as either white or groundwood, and activates an ejection device to produce an air blast for diverting whichever grade is selected for ejection.
摘要翻译：光学纸分选系统使用漫反射来识别在输送机上输送的纸张，如白色或磨木级。光源照亮一张纸，并且光学收集系统收集并过滤从纸张漫反射的光。反射光照射到检测器，该检测器产生与电磁光谱中的特定区域中的滤光强度成比例的光电流，优选为紫外线。来自检测器的信号可以由计算机进行数字化和处理，计算机将片材分类为白色或磨木，并且激活喷射装置以产生用于转移的空气鼓风，以选择哪个等级进行喷射。

4. 发明授权

US06634578B1 Paper separation and singulation apparatus and method 失效
标题翻译：纸分离和分离装置及方法
公开(公告)号：US06634578B1
公开(公告)日：2003-10-21
申请号：US09708037
申请日：2000-11-08
申请人： Zaheer Khalfan , Sheldon Greenspan
发明人： Zaheer Khalfan , Sheldon Greenspan
IPC分类号： B02C2308
CPC分类号： D21B1/08 , Y02W30/642
摘要： A mechanical system that separates bundles of paper and presents the separated paper on a conveyor in a single layer fashion, for further processing. The paper is accumulated in a hopper and fed into the mechanical separating mechanism in a batch mode. When sufficient volume has been admitted to the container, the inflow port is closed and the mechanical separating impeller are activated to rotate in the same direction, imparting bidirectional forces on compacted bundles of sheets or shreds, causing them to deaggregate. Upon completion of the separation cycle, the separated sheets are expelled through an outlet port and conveyed to a drop chute for further singulation, from which the singulated sheets may be deposited onto one or more conveyor belts for sorting.
摘要翻译：一种机械系统，其分离纸张并以单层方式将输送机上的分离纸张呈现，用于进一步处理。纸张堆积在料斗中，并以批量模式进入机械分离机构。当足够的容积已经进入容器时，流入口关闭，并且机械分离叶轮被启动以沿相同方向旋转，在压实的片材或碎片束上施加双向力，导致它们解聚。分离循环完成后，分离的片材通过出口排出并被输送到落下斜槽以进一步分割，从而可以将单片化片材沉积到一个或多个传送带上进行分选。

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