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    31.
    发明专利
    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

    Applicant: OG TECHNOLOGIES INC

    Inventor： CHANG TZYY-SHUH

    IPC: G01N21/88 ,  G01N21/954 ,  G02B26/10

    Abstract: 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.

    AN APPARATUS AND METHOD FOR DETECTING SURFACE DEFECTS ON A WORKPIECE SUCH AS A ROLLED/DRAWN METAL BAR
    36.
    发明专利
    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

    Applicant: OG TECHNOLOGIES INC

    Inventor： GUTCHESS DANIEL ,  HUANG HSUN-HAU ,  CHANG TZYY-SHUH

    IPC: G06K9/00 ,  G01B20060101 ,  G01B11/30 ,  G01N21/88 ,  G01N21/95 ,  G01N21/952 ,  H04N7/18 ,  H04N9/47

    Abstract: 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.

    37.
    发明专利
    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

    Applicant: OG TECHNOLOGIES INC

    Inventor： CHANG TZYY-SHUH ,  HUANG HSUN-HAU ,  GUTCHESS DANIEL

    IPC: G01B20060101 ,  G01B11/30 ,  G01N21/88 ,  G01N21/95 ,  G01N21/952 ,  G06K9/00 ,  H04N7/18 ,  H04N9/47

    Abstract: 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.

    AN APPARATUS AND METHOD FOR DETECTING SURFACE DEFECTS ON A WORKPIECE SUCH AS A ROLLED/DRAWN METAL BAR
    38.
    发明专利
    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

    Applicant: OG TECHNOLOGIES INC

    Inventor： HUANG HSUN-HAU ,  GUTCHESS DANIEL ,  CHANG TZYY-SHUH

    IPC: G01B20060101 ,  G01B11/30 ,  G01N21/88 ,  G01N21/95 ,  G01N21/952 ,  G06K9/00 ,  H04N7/18 ,  H04N9/47

    Abstract: 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.

    Engine bearing inspection system
    39.
    发明专利
    Engine bearing inspection system 未知

    公开(公告)号：AU8662301A

    公开(公告)日：2002-03-04

    申请号：AU8662301

    申请日：2001-08-22

    Applicant: OG TECHNOLOGIES INC

    Inventor： CHANG TZYY-SHUH

    IPC: G01N21/88 ,  G01N21/954 ,  G02B26/10

    Abstract: 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.

    AN APPARATUS AND METHOD FOR DETECTING SURFACE DEFECTS ON A WORKPIECE SUCH AS A ROLLED/DRAWN METAL BAR
    40.
    发明专利
    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：CA2617158C

    公开(公告)日：2011-12-20

    申请号：CA2617158

    申请日：2006-07-31

    Applicant: OG TECHNOLOGIES INC

    Inventor： CHANG TZYY-SHUH ,  GUTCHESS DANIEL ,  HUANG HSUN-HAU

    IPC: G06K9/00 ,  G01B20060101 ,  G01B11/30 ,  G01N21/88 ,  G01N21/95 ,  G01N21/952 ,  H04N7/18 ,  H04N9/47

    Abstract: 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.

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