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1. 发明申请

WO2007016544A2 AN APPARATUS AND METHOD FOR DETECTING SURFACE DEFECTS ON A WORKPIECE SUCH AS A ROLLED/DRAWN METAL BAR 审中-公开
标题翻译：用于检测工件上的表面缺陷的设备和方法，如轧制/拉制金属棒
公开(公告)号：WO2007016544A2
公开(公告)日：2007-02-08
申请号：PCT/US2006/029884
申请日：2006-07-31
申请人： OG TECHNOLOGIES, INC. , CHANG, Tzyy-Shuh , GUTCHESS, Daniel , HUANG, Hsun-Hau
发明人： CHANG, Tzyy-Shuh , GUTCHESS, Daniel , HUANG, Hsun-Hau
IPC分类号： G06K9/00
CPC分类号： G01N21/952 , G01N2201/0826 , G01N2201/084 , H04N7/18
摘要： The present invention is directed to solving the problems associated with the detection of surface defects on metal bars as well as the problems associated with applying metal flat inspection systems to metal bars for non-destructive surface defects detection. A specially designed imaging system, which is comprised of a computing unit, line lights and high data rate line scan cameras, is developed for the aforementioned purpose. The target application is the metal bars (1) that have a circumference/cross-section-area ratio equal to or smaller than 4.25 when the cross section area is unity for the given shape, (2) whose cross-sections are round, oval, or in the shape of a polygon, and (3) are manufactured by mechanically cross-section reduction processes. The said metal can be steel, stainless steel, aluminum, copper, bronze, titanium, nickel, and so forth, and/or their alloys. The said metal bars can be at the temperature when they are being manufactured. A removable cassette includes various mirrors. A protection tube isolates the moving metal bar from the line light assembly and image acquisition camera. assembly and image acquisition camera. A contaminant reduction mechanism applies a vacuum to remove airborne contaminants.
摘要翻译：本发明旨在解决与检测金属条上的表面缺陷相关的问题以及与将金属平坦检查系统应用于金属棒以进行非破坏性表面缺陷检测相关的问题。为了上述目的而开发了一种专门设计的成像系统，其由计算单元，线灯和高数据速率线扫描相机组成。目标应用是当横截面面积对于给定形状为单位时具有等于或小于4.25的圆周/横截面积比的金属棒（1），（2）其横截面为圆形，椭圆形，或多边形的形状，（3）通过机械横截面缩小工艺制造。所述金属可以是钢，不锈钢，铝，铜，青铜，钛，镍等，和/或它们的合金。所述金属棒在制造时可处于该温度。一个可移动的卡带包括各种镜子。保护管将移动的金属条与线照明组件和图像采集相机隔离开来。组装和图像采集相机。污染物减少机制应用真空去除空气污染物。

2. 发明申请

WO2011041294A1 A METHOD AND APPARATUS OF A PORTABLE IMAGING-BASED MEASUREMENT WITH SELF CALIBRATION 审中-公开
标题翻译：基于便携式成像的自校准测量方法与装置
公开(公告)号：WO2011041294A1
公开(公告)日：2011-04-07
申请号：PCT/US2010/050502
申请日：2010-09-28
申请人： OG TECHNOLOGIES, INC. , CHANG, Tzyy-Shuh , HUANG, Hsun-Hau
发明人： CHANG, Tzyy-Shuh , HUANG, Hsun-Hau
IPC分类号： G01B7/00
CPC分类号： G01B11/105 , G01B11/2408 , G06T7/80
摘要： A portable imaging-based measurement device is developed to perform 2D projection based measurements on an object that is difficult or dangerous to access. This device is equipped with self calibration capability and built-in operating procedures to ensure proper imaging based measurement.
摘要翻译：开发了一种基于便携式成像的测量装置，以对访问困难或危险的对象执行基于2D投影的测量。该设备配备了自校准功能和内置操作程序，以确保基于成像的测量。

3. 发明申请

WO2004051178A2 AN APPARATUS AND METHOD FOR DETECTING SURFACE DEFECTS ON A WORKPIECE SUCH AS A ROLLED/DRAWN METAL BAR 审中-公开
标题翻译：用于检测工件表面缺陷的装置和方法，如滚筒/拉丝金属棒
公开(公告)号：WO2004051178A2
公开(公告)日：2004-06-17
申请号：PCT/US2003/038184
申请日：2003-11-26
申请人： OG TECHNOLOGIES, INC.
发明人： CHANG, Tzyy-Shuh , HUANG, Hsun-Hau , GUTCHESS, Daniel
IPC分类号： G01B
CPC分类号： H04N7/18 , G01N21/952 , G01N2201/0826 , G01N2201/084
摘要： The present invention is directed to solving the problems associated with the detection of surface defects on metal bars as well as the problems associated with applying metal flat inspection systems to metal bars for non-destructive surface defects detection. A specially designed imaging system, which is comprised of a computing unit, line lights and high data rate line scan cameras, is developed for the aforementioned purpose. The target application is the metal bars (1) that have a circumference/cross-section-area ratio equal to or smaller than 4.25 when the cross section area is unity for the given shape, (2) whose cross-sections are round, oval, or in the shape of a polygon, and (3) are manufactured by mechanically crosssection reduction processes. The said metal can be steel, stainless steel, aluminum, copper, bronze, titanium, nickel, and so forth, and/or their alloys. The said metal bars can be at the temperature when they are being manufactured.
摘要翻译：本发明旨在解决与金属棒上的表面缺陷的检测有关的问题以及将金属平面检查系统应用于金属棒用于非破坏性表面缺陷检测的问题。为了上述目的开发了一种专门设计的成像系统，由计算单元，线路灯和高数据速率线扫描摄像机组成。目标应用是当给定形状的横截面积为1时，具有等于或小于4.25的圆周/横截面积比的金属棒（1），（2）横截面为圆形，椭圆形，或多边形的形状，以及（3）通过机械交叉缩小处理制造。所述金属可以是钢，不锈钢，铝，铜，青铜，钛，镍等，和/或它们的合金。所述金属棒可以处于制造时的温度。

4. 发明申请

WO2001049043A1 METHOD OF SIMULTANEOUSLY APPLYING MULTIPLE ILLUMINATION SCHEMES FOR SIMULTANEOUS IMAGE ACQUISITION IN AN IMAGING SYSTEM 审中-公开
标题翻译：同时应用多个照明方案同时拍摄成像系统中的图像采集方法
公开(公告)号：WO2001049043A1
公开(公告)日：2001-07-05
申请号：PCT/US2000034959
申请日：2000-12-21
申请人： OG TECHNOLOGIES, INC.
发明人： OG TECHNOLOGIES, INC. , CHANG, Tzyy-Shuh
IPC分类号： H04N9/47
CPC分类号： G01N21/8806 , G01N2021/8845
摘要： A method is used for imaging applications so that one can simultaneously apply multiple illumination schemes and simultaneously acquire the images, each associated with one of the multiple illumination schemes. The illumination schemes can be, but not limited to, any combination of reflective illumination, transmitive illumination (backlighting), bright field illumination, dark field illumination, diffused illumination, cloudy-day illumination, and structured illumination. The radiation can be in any wavelengths, ranging from sonic waves, ultra sound, radio waves, microwaves, infrared, near infrared, visible light, ultra violet, X-rays, and gamma rays. The radiation of each of the illumination schemes used in an imaging application is modulated (57), that is, affixed with a unique signature. One or more imaging devices (52) can be used to collect the radiating rays simultaneously after the rays interact with the object (66). The image signals are then demodulated (54) and separated into several images, each being associated an illumination scheme, based on the signatures. A preferred embodiment is to use radiation wavelengths of 430 nm, 575 nm or 670 nm as the signatures.
摘要翻译：一种方法用于成像应用，使得可以同时应用多个照明方案并且同时获取每个与多个照明方案之一相关联的图像。照明方案可以是但不限于反射照明，透射照明（背光），亮场照明，暗场照明，漫射照明，阴天照明和结构照明的任何组合。辐射可以在声波，超声，无线电波，微波，红外线，近红外线，可见光，紫外线，X射线和伽马射线的任何波长范围内。对成像应用中使用的每种照明方案的辐射进行调制（57），即贴上独特的签名。可以使用一个或多个成像装置（52）在光线与物体（66）相互作用之后同时收集辐射光线。然后，图像信号被解调（54）并分离成几个图像，每个图像基于签名与照明方案相关联。优选的实施方案是使用430nm，575nm或670nm的辐射波长作为特征。

5. 发明授权

EP1336302B1 ENGINE BEARING INSPECTION SYSTEM 有权
标题翻译：电机轴承检查系统
公开(公告)号：EP1336302B1
公开(公告)日：2009-03-11
申请号：EP01966081.0
申请日：2001-08-22
申请人： OG Technologies, Inc.
发明人： CHANG, Tzyy-Shuh
IPC分类号： G01N21/88
CPC分类号： G01N21/8806

6. 发明公开

EP1216575A1 OPTICAL OBSERVATION DEVICE AND METHOD FOR OBSERVING ARTICLES AT ELEVATED TEMPERATURES 审中-公开
标题翻译：装置和方法的对象在高温下监测
公开(公告)号：EP1216575A1
公开(公告)日：2002-06-26
申请号：EP00959329.4
申请日：2000-08-23
申请人： OG Technologies, Inc.
发明人： CHANG, Tzyy-Shuh
IPC分类号： H04N7/18
CPC分类号： G01N21/55
摘要： An optical system for viewing hot objects (2) is disclosed. The system projects electromagnetic radiation (26) to the part surface and detects the reflected portion. Based on wavelength and/or modulation of the applied illumination, the surface characteristics of the part can be observed (30) without interference from self-emitted radiation.

7. 发明公开

EP1336302A2 ENGINE BEARING INSPECTION SYSTEM 有权
标题翻译： MOTORENLAGERINSPEKTIONSSYSTEM
公开(公告)号：EP1336302A2
公开(公告)日：2003-08-20
申请号：EP01966081.0
申请日：2001-08-22
申请人： OG Technologies, Inc.
发明人： CHANG, Tzyy-Shuh
IPC分类号： H04N7/18
CPC分类号： G01N21/8806
摘要： An inspection system is used to view an image of the inside diameter (ID) of an engine bearing. The inspection system includes a stationary line scan camera, a pivoting mirror, a scanning mirror and a stationary mount. The engine bearing is placed in the stationary mount such that the bearing remains motionless throughout the entire scanning process. The light line generator produces a light line that initially contacts a beam splitter. The beam splitter then guides the light line onto the pivoting mirror, which then directs the light line onto one of a pair of stationary mirrors and then finally onto the scanning mirror. The scanning mirror will swepp the light line across a portion of hte engine bearing ID surface. The light line will generate refected images of the ID surface. These reflected images will return along the light line's path; however, instead of being directed back into thelightl ine generator by the beam splitter, the reflected images will pass through the beam splitter. Once the reflected images pass through the beam splitter. Once the reflected images pass through the beam splitter, they will journey through the lens and into the stationary line scan camera. From the stationary line camera, the reflected images can be viewed on monitor and recorded for future use.

8. 发明公开

EP1913520A2 AN APPARATUS AND METHOD FOR DETECTING SURFACE DEFECTS ON A WORKPIECE SUCH AS A ROLLED/DRAWN METAL BAR 有权
标题翻译：装置和方法检测表面缺陷的工作AS卷起/拉拔金属BAR
公开(公告)号：EP1913520A2
公开(公告)日：2008-04-23
申请号：EP06813265.3
申请日：2006-07-31
申请人： OG Technologies, Inc.
发明人： CHANG, Tzyy-Shuh , GUTCHESS, Daniel , HUANG, Hsun-Hau
IPC分类号： G06K9/00
CPC分类号： G01N21/952 , G01N2201/0826 , G01N2201/084 , H04N7/18
摘要： The present invention is directed to solving the problems associated with the detection of surface defects on metal bars as well as the problems associated with applying metal flat inspection systems to metal bars for non-destructive surface defects detection. A specially designed imaging system, which is comprised of a computing unit, line lights and high data rate line scan cameras, is developed for the aforementioned purpose. The target application is the metal bars (1) that have a circumference/cross-section-area ratio equal to or smaller than 4.25 when the cross section area is unity for the given shape, (2) whose cross-sections are round, oval, or in the shape of a polygon, and (3) are manufactured by mechanically cross-section reduction processes. The said metal can be steel, stainless steel, aluminum, copper, bronze, titanium, nickel, and so forth, and/or their alloys. The said metal bars can be at the temperature when they are being manufactured. A removable cassette includes various mirrors. A protection tube isolates the moving metal bar from the line light assembly and image acquisition camera. assembly and image acquisition camera. A contaminant reduction mechanism applies a vacuum to remove airborne contaminants.

9. 发明授权

EP1913520B1 AN APPARATUS AND METHOD FOR DETECTING SURFACE DEFECTS ON A WORKPIECE SUCH AS A ROLLED/DRAWN METAL BAR 有权
标题翻译：装置和方法检测表面缺陷的工作AS卷起/拉拔金属BAR
公开(公告)号：EP1913520B1
公开(公告)日：2017-05-24
申请号：EP06813265.3
申请日：2006-07-31
申请人： OG Technologies, Inc.
发明人： CHANG, Tzyy-Shuh , GUTCHESS, Daniel , HUANG, Hsun-Hau
IPC分类号： G06K9/00
CPC分类号： G01N21/952 , G01N2201/0826 , G01N2201/084 , H04N7/18

10. 发明授权

EP1582068B1 AN APPARATUS AND METHOD FOR DETECTING SURFACE DEFECTS ON A WORKPIECE SUCH AS A ROLLED/DRAWN METAL BAR 有权
标题翻译：装置和方法用于检测的工件OBERFLÄCHENDEFEKTENAUF诸如卷起/拉拔金属钢轨
公开(公告)号：EP1582068B1
公开(公告)日：2011-01-05
申请号：EP03790201.2
申请日：2003-11-26
申请人： OG Technologies, Inc.
发明人： CHANG, Tzyy-Shuh , HUANG, Hsun-Hau , GUTCHESS, Daniel
IPC分类号： H04N7/18 , G01N21/952
CPC分类号： H04N7/18 , G01N21/952 , G01N2201/0826 , G01N2201/084
摘要： The present invention is directed to solving the problems associated with the detection of surface defects on metal bars as well as the problems associated with applying metal flat inspection systems to metal bars for non-destructive surface defects detection. A specially designed imaging system, which is comprised of a computing unit, line lights and high data rate line scan cameras, is developed for the aforementioned purpose. The target application is the metal bars (1) that have a circumference/cross-section-area ratio equal to or smaller than 4.25 when the cross section area is unity for the given shape, (2) whose cross-sections are round, oval, or in the shape of a polygon, and (3) are manufactured by mechanically crosssection reduction processes. The said metal can be steel, stainless steel, aluminum, copper, bronze, titanium, nickel, and so forth, and/or their alloys. The said metal bars can be at the temperature when they are being manufactured.

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