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11. 发明专利

BR0013640A 未知
公开(公告)号：BR0013640A
公开(公告)日：2002-07-02
申请号：BR0013640
申请日：2000-08-23
申请人： OG TECHNOLOGIES INC
发明人： CHANG TZYY-SHUH
IPC分类号： G01J1/42 , G01N21/55 , H04N5/225 , H04N7/18
摘要： An optical system for viewing hot objects is disclosed. The system projects electromagnetic radiation 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 without interference from self-emitted radiation.

12. 发明专利

CA2391782A1 OPTICAL OBSERVATION DEVICE AND METHOD FOR OBSERVING ARTICLESAT ELEVATED TEMPERATURES 未知
公开(公告)号：CA2391782A1
公开(公告)日：2001-03-08
申请号：CA2391782
申请日：2000-08-23
申请人： OG TECHNOLOGIES INC
发明人： CHANG TZYY-SHUH
IPC分类号： G01J1/42 , G01N21/55 , H04N5/225 , H04N7/18 , H04N5/33 , G01N21/88
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.

13. 发明专利

AU2003293209B2 An apparatus and method for detecting surface defects on a workpiece such as a rolled/drawn metal bar 未知
公开(公告)号：AU2003293209B2
公开(公告)日：2009-07-09
申请号：AU2003293209
申请日：2003-11-26
申请人： OG TECHNOLOGIES INC
发明人： CHANG TZYY-SHUH , GUTCHESS DANIEL , HUANG HSUN-HAU
IPC分类号： H04N7/18 , G01B20060101 , G01B11/30 , G01N21/88 , G01N21/95 , G01N21/952 , G06K9/00 , H04N9/47
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.

14. 发明专利

AT425451T 未知
公开(公告)号：AT425451T
公开(公告)日：2009-03-15
申请号：AT01966081
申请日：2001-08-22
申请人： OG TECHNOLOGIES INC
发明人： CHANG TZYY-SHUH
IPC分类号： G01N21/88 , G01N21/954 , G02B26/10
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 sweep the light line across a portion of the engine bearing ID surface. The light line will generate reflected images of the ID surface. These reflected images will return along the light line's path; however, instead of being directed back into the light line generator by the beam splitter, the reflected images will 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 a monitor and recorded for future use.

15. 发明专利

ZA200504514B An apparatus and method for detecting surface defects on a workpiece such as a rolled/drawn metal bar 未知
公开(公告)号：ZA200504514B
公开(公告)日：2006-02-22
申请号：ZA200504514
申请日：2005-06-02
申请人： OG TECHNOLOGIES INC
发明人： CHANG TZYY-SHUH , HUANG HSUN-HAU , GUTCHESS DANIEL
IPC分类号： G01B

16. 发明专利

AU7066700A Optical observation device and method for observing articles at elevated temperatures 未知
公开(公告)号：AU7066700A
公开(公告)日：2001-03-26
申请号：AU7066700
申请日：2000-08-23
申请人： OG TECHNOLOGIES INC
发明人： CHANG TZYY-SHUH
IPC分类号： G01J1/42 , G01N21/55 , H04N5/225 , H04N7/18
摘要： An optical system for viewing hot objects is disclosed. The system projects electromagnetic radiation 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 without interference from self-emitted radiation.

17. 发明专利

BRPI0614518A2 未知
公开(公告)号：BRPI0614518A2
公开(公告)日：2012-11-27
申请号：BRPI0614518
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 , G01B20060101 , G01B11/30 , G01N21/88 , G01N21/95 , G01N21/952 , H04N7/18 , H04N9/47

18. 发明专利

CA2617158A1 AN APPARATUS AND METHOD FOR DETECTING SURFACE DEFECTS ON A WORKPIECE SUCH AS A ROLLED/DRAWN METAL BAR 未知
公开(公告)号：CA2617158A1
公开(公告)日：2007-02-08
申请号：CA2617158
申请日：2006-07-31
申请人： OG TECHNOLOGIES INC
发明人： GUTCHESS DANIEL , HUANG HSUN-HAU , CHANG TZYY-SHUH
IPC分类号： G06K9/00 , G01B20060101 , G01B11/30 , G01N21/88 , G01N21/95 , G01N21/952 , H04N7/18 , H04N9/47
摘要： The present invention is directed to solving the problems associated with th e detection of surface defects on metal bars as well as the problems associate d with applying metal flat inspection systems to metal bars for non-destructiv e 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 equ al 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 polygo n, 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 fr om the line light assembly and image acquisition camera. assembly and image acquisition camera. A contaminant reduction mechanism applies a vacuum to remove airborne contaminants.

19. 发明专利

BR0316972A 未知
公开(公告)号：BR0316972A
公开(公告)日：2005-10-25
申请号：BR0316972
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： G01B20060101 , G01B11/30 , G01N21/88 , G01N21/95 , G01N21/952 , G06K9/00 , H04N7/18 , H04N9/47
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.

20. 发明专利

AU2003293209A1 AN APPARATUS AND METHOD FOR DETECTING SURFACE DEFECTS ON A WORKPIECE SUCH AS A ROLLED/DRAWN METAL BAR 未知
公开(公告)号：AU2003293209A1
公开(公告)日：2004-06-23
申请号：AU2003293209
申请日：2003-11-26
申请人： OG TECHNOLOGIES INC
发明人： HUANG HSUN-HAU , GUTCHESS DANIEL , CHANG TZYY-SHUH
IPC分类号： G01B20060101 , G01B11/30 , G01N21/88 , G01N21/95 , G01N21/952 , G06K9/00 , H04N7/18 , H04N9/47
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.

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