WO2003006969A1 - Procede et dispositif de detection des defauts d'un produit - Google Patents
Procede et dispositif de detection des defauts d'un produit Download PDFInfo
- Publication number
- WO2003006969A1 WO2003006969A1 PCT/JP2002/006986 JP0206986W WO03006969A1 WO 2003006969 A1 WO2003006969 A1 WO 2003006969A1 JP 0206986 W JP0206986 W JP 0206986W WO 03006969 A1 WO03006969 A1 WO 03006969A1
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- WIPO (PCT)
- Prior art keywords
- flaw
- brightness difference
- calculated
- brightness
- work
- Prior art date
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/08—Testing mechanical properties
- G01M11/088—Testing mechanical properties of optical fibres; Mechanical features associated with the optical testing of optical fibres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/385—Accessories for testing or observation of connectors
Definitions
- the present invention relates to a method and an apparatus for detecting a flaw on a work, and more particularly to a method and an apparatus for detecting a flaw on a work for inspecting the end face of an optical fiber connector for flaws.
- an optical fiber connector is used to connect optical fibers, and the connection is performed by abutting end faces of ferrules into which the optical fibers are inserted.
- the end face of this optical fiber connector is inspected for flaws after manufacture, since any damage to the end face may adversely affect the performance of the optical fiber.
- the end face of the optical fiber connector was inspected by a TV camera for imaging the end face of the optical fiber connector and visually inspected by an operator from an enlarged and projected image on a monitor.
- This method has the disadvantage that the inspection takes time. In addition, there is also a disadvantage that skill is required to increase the inspection accuracy because the optical fiber connector itself has variations.
- the end face of the optical fiber connector is imaged with a CCD camera, and the flaw is extracted from the barred image data, and the pass / fail of the product is determined from the size and position.
- the detection capability of the flaw depends on the precision of the optical microscope attached to the CCD camera. Therefore, if the accuracy of the optical microscope is increased, finer flaws can be detected.
- the conventional inspection method determines pass / fail based only on the size and position of the flaw, and if the accuracy of the optical microscope is increased to detect even minute flaws, the performance of the optical fiber will be affected. There is a drawback that even a shallow wound that does not cause damage is recognized as an impossible scratch.
- the present invention has been made in view of such a problem, and it is an object of the present invention to provide a method and an apparatus for inspecting a scratch of a work, which can judge whether or not the work is acceptable in consideration of the depth of the scratch. Disclosure of the invention
- a method for inspecting a flaw of a work of the present invention is a method for inspecting a flaw of a work for inspecting whether or not a flaw has occurred on the surface of the work, wherein an image of a surface to be inspected of the work is imaged by an imaging means.
- the average brightness of the flaw and the average brightness around the flaw are calculated from the image data captured by the imaging means, and the brightness difference is calculated.
- the calculated brightness difference exceeds a preset reference brightness difference. Or not, and if the calculated brightness difference exceeds a preset reference brightness difference, it is determined to be a scratch.
- the inspection target surface of the work is imaged by the imaging means, and a flaw is extracted from the image data. Then, the average brightness of the wound and the average brightness around the wound are calculated, and the brightness difference between the two is calculated. Since the calculated brightness difference indicates the depth of the flaw, if this brightness difference exceeds a preset reference brightness difference, it is determined to be a scratch and is determined to be a defective work.
- the reference brightness difference is appropriately set by the user, and thereby, a pass / fail judgment can be made based on the depth of the scratch.
- a method of inspecting a work for scratches for inspecting the surface of a work for the presence or absence of scratches wherein the inspection target surface of the work is imaged by an imaging means.
- the area of the flaw is calculated from the image data taken by the imaging means, and it is determined whether or not the calculated area value of the flaw exceeds a preset reference area value. If it is determined that the area value exceeds the reference area value, the average brightness of the wound and the average brightness around the wound are calculated from the image data imaged by the imaging unit.
- the brightness difference is calculated, and it is determined whether or not the calculated brightness difference exceeds a preset reference brightness difference.
- the calculated brightness difference is determined to be 'exceeding the preset reference brightness difference. In this case, it is characterized as a wound.
- the inspection target surface of the work is imaged by the imaging means, and a flaw is extracted from the image data. Then, the area of the flaw is calculated, and it is determined whether or not the calculated area value exceeds a reference area value set in advance. If the calculated area value does not exceed the reference area value set in advance, it is judged as pass without considering it as flaw. On the other hand, when the calculated area value exceeds the reference area value set in advance, the average brightness of the wound and the average brightness around the wound are calculated. Since the calculated brightness difference indicates the depth of the flaw, if the brightness difference exceeds a preset reference brightness difference, it is recognized as a scratch and is determined to be a defective work.
- the reference area value and the reference brightness difference are appropriately set by the user. As a result, even if the work was judged to be defective by judging only the size of the damaged part, if the depth of the scratch did not affect the performance of the work, if the depth was only about You will be able to be certified.
- a method of inspecting a work for scratches for detecting the presence or absence of a scratch on a surface of a work wherein the inspection target surface of the work is imaged by an imaging unit.
- the position of the flaw is calculated from the image data taken by the imaging means, and it is determined whether or not the calculated position of the flaw is within a predetermined reference area.
- the average brightness of the wound and the average brightness around the wound are calculated from the image data captured by the imaging unit, and the brightness difference is calculated.
- Judge whether the calculated brightness difference exceeds the preset reference brightness difference and judge that the calculated brightness difference exceeds the preset reference brightness difference as a scratch Inspection method for workpieces Subjected to.
- the inspection target surface of the work is imaged by the imaging means, and a flaw is extracted from the image data.
- the position of the flaw is calculated, and it is determined whether or not the calculated position is within a preset reference region.
- the calculated wound position If the position is within the preset reference area, the average brightness of the wound and the average brightness around the wound are calculated. Since the calculated brightness difference indicates the depth of the flaw, if this brightness difference exceeds a preset reference brightness difference, it is recognized as a scratch and judged as a defective work.
- the reference area and the reference brightness difference are appropriately set by the user. As a result, even if the work is determined to be defective only by determining the position, the work can be recognized as passing if the depth of the scratch is small enough not to affect the performance of the work. It becomes like this.
- the reference area is divided into a plurality of areas, and a reference brightness difference is set for each area.
- the reference area is divided into a plurality of areas, and a reference brightness difference is set for each area.
- the allowable level of the depth can be set according to the position of the wound, and a more detailed inspection can be performed.
- FIG. 1 is a block diagram showing a schematic configuration of a scratch inspection device according to a first embodiment of the present invention.
- Figure 2 is a front view showing the structure of the work holder
- Figure 3 is a flow chart showing the wound inspection method
- Figure 4 is an illustration of the wound detection method
- FIG. 5 is a flowchart showing a flaw inspection method according to the second embodiment of the present invention
- FIG. 6 is a flowchart showing a flaw inspection method according to the third embodiment of the present invention
- FIG. 3 is an explanatory diagram of a region formed on an end surface of the optical fiber connector.
- FIG. 1 is a block diagram showing a configuration of a work flaw inspection apparatus according to the present invention.
- the optical fiber connector C is formed by inserting an optical fiber O into an inner peripheral portion of a ferrule F formed in a cylindrical shape.
- the ferrule F is a very small diameter part having a diameter of 2.5 mm or 1.25 mm, and is formed of, for example, a zirconia ceramic material.
- the flaw inspection apparatus 10 of the present embodiment mainly includes a work holding unit 12, an imaging unit 14, an inspection unit 16, a work supply unit 18, a work collection unit 2.0, and the like. It consists of a control unit 22.
- the work holding part 12 includes a work holding base 24 for holding the optical fiber connector C to be inspected.
- the work holding table 24 is formed in a rectangular block shape, and a V-shaped groove 26 is formed on the upper surface thereof.
- the ferrule F portion is placed in the groove 26.
- An intake port 28 is formed on the lower surface of the work holding table 24.
- the intake port 28 communicates with the valley of the groove 26 via the intake path 29.
- a vacuum pump is connected to the suction port 28 via a suction pipe (not shown). By driving the vacuum pump, air in the groove 26 is sucked. Then, the air in the groove 26 is sucked, so that the optical fiber connector C placed in the groove 26 is fixed to the work holding table 24.
- the imaging unit 14 captures an image of the end face of the optical fiber connector C held by the work holding table 24 with a CCD camera.
- the imaging unit 14 includes an AF lens unit 30, an AF drive unit 32, a beam splitter 34, an illumination unit 36, and a CCD camera 38.
- the AF lens unit 30 is installed so as to face the end face of the optical fiber connector C held by the work holder 24, and is installed so that its optical axis is coaxial with the center axis of the optical fiber connector C. ing.
- the AF drive unit 32 drives the AF lens unit 30 by AF. That is, the focus position of the AF lens 30 is adjusted to the end face of the optical fiber connector C held on the work holding base 24 based on the distance measurement information of a distance measuring sensor (not shown).
- Beam splitter 34 is located behind AF lens unit 30 Then, illumination light from an illumination lamp (not shown) provided in the illumination unit 36 is applied to the end face of the optical fiber connector C through the AF lens unit 30.
- the illumination light applied to the end face of the optical fiber connector C is reflected by the end face of the optical fiber connector C, and the reflected light passes through the AF lens unit 30 and the beam splitter 34 and the CCD of the CCD camera 38. Imaged on top.
- the CCD camera 38 outputs the image data to the inspection section 16.
- the inspection unit 16 performs a damage inspection based on image data of the end face of the optical fiber connector captured by the CCD camera 38.
- the image data of the end face of the optical fiber connector output from the CCD camera 38 is input to the personal computer 42 via the image processing port 40.
- the personal computer / computer 42 performs image processing on the input image data to determine whether or not the optical fiber connector C to be detected is acceptable.
- the personal computer 42 is connected with a keyboard 44 as input means and a display 46 as display means.
- a program for performing the detection is stored in a memory built in the personal computer 42.
- the work supply section 18 automatically feeds a large number of optical fiber connectors C housed in a supply stop force (not shown) to the work holding table 24 one by one.
- the work collection unit 20 collects the optical fiber connector C, for which the inspection has been completed, from the work holding table 24, and sorts it into a predetermined collection stocker (not shown) according to the measurement result.
- the control unit 22 controls each device constituting the flaw inspection device 10 based on a control signal from the personal computer 42.
- a method for inspecting the end face of the optical fiber connector using the flaw inspection apparatus 10 according to the present embodiment configured as described above is as follows.
- a drive signal is output from the control unit 22 to the work supply unit 18 based on a control signal from the personal computer 42.
- one optical fiber connector C is supplied to the work holder 24 from a supply stop force (not shown), and is placed at a predetermined position.
- the vacuum pump (not shown) is driven by the controller 22, and the optical fiber connector C is fixed to the work holder 24. It is.
- a drive signal is output from the control unit 22 to the lighting unit 36, and a lighting lamp (not shown) is turned on.
- the illumination light from the illumination lamp is guided by the beam splitter 34 in the direction of the AF lens unit 30, and irradiates the end face of the optical fiber connector C through the AF lens unit 30.
- a drive signal is output from the control unit 22 to the AF drive unit 32, and the AF lens unit 30 is AF-driven. Thereby, the focus position of the AF lens unit 30 is adjusted to the end face of the optical fiber connector C held by the work holding table 24.
- an image of the end face of the optical fiber connector C held by the work holding table 24 is captured by the CCD camera 38.
- the area A imaged by the CCD camera 38 is set such that the entire end face of the optical fiber connector C is imaged as shown in FIGS.
- Image data of the end face of the optical fiber connector captured by the CCD camera 38 is input to the personal computer 42 via the image processing board 40.
- the personal computer 42 determines the acceptability of the optical fiber connector C according to a program stored in a built-in memory in advance. The process of determining the acceptability of the optical fiber connector C is performed as follows in accordance with the flowchart shown in FIG.
- the personal computer 42 acquires the image data of the end face of the optical fiber connector from the CCD camera 38 (step S1), the personal computer 42 extracts the flaw W from the image data (step S2).
- the extraction of the flaw W is performed by calculating the brightness of each pixel constituting the CCD from the image data, and specifying the pixel whose brightness exceeds the reference value.
- the reference value is determined by the user, and is input to the personal computer 42 from the keyboard 44 before starting the examination.
- the personal computer 42 calculates the average brightness of the extracted wound portion W (step S3). Average brightness 1 ⁇ is the flaw W, as shown in FIG. 4, each pixel [rho have that make up the flaw W [rho 2 brightness average value of (the pixel [rho have [rho 2 region W in FIG. 4) Calculated as Next, the personal computer 42 calculates the average lightness L around the extracted wound area T. Is calculated (step S4). Average lightness L around the wound T. As shown in FIG. 4, it is calculated as the average of brightness of pixels adjacent to the pixel P 2 constituting the contour of the wound portion W P Q (pixel region T in FIG. 4 [rho.).
- the personal computer 42 calculates the average brightness of the wound W and the average brightness L of the area T around the wound.
- the obtained brightness difference ⁇ L is compared with the reference brightness difference M (step S 6).
- the damaged portion W is determined to be “NG flaw” which affects the performance of the optical fiber (step S 7), and the reference brightness is determined. If the difference is not more than M, the flaw W is determined to be “OK flaw” which does not affect the performance of the optical fiber (step S8).
- the depth of the flaw W on the CCD is different, the lightness of the flaw W will be different, so if the average lightness of the flaw W is calculated, the depth of the flaw W can be grasped. In monkey.
- the average brightness 1 ⁇ of the wound portion W is obtained, and the average brightness Ll of the wound portion W is the average brightness L of the periphery T of the wound portion.
- a defect that affects the performance of the optical fiber when it exceeds a certain value (reference lightness difference M) is regarded as an “NG defect”.
- the reference brightness difference M is determined by the user, and is input to the personal computer 42 from the keyboard 44 before starting the inspection. The value is determined based on experimental results.
- the personal computer 42 outputs an inspection end signal to the control unit 22, and the control unit 22 receives the signal and outputs a drive signal to the work collection unit 20.
- the work collecting section 20 collects the optical fiber connectors from the work holding table 24 and separates and collects the optical fiber connectors with a stop force (not shown) based on the inspection result. That is, the “ ⁇ ⁇ fiber optic connector”, which is determined to be “OK” even if there is no flaw or the flaw is present, and the “G fiber optic connector with“ NG flaw ”” are subjected to different stopping forces. Collect separately.
- the flaw inspection apparatus 10 of the present embodiment it is possible to determine whether or not the flaw affects the performance of the optical fiber based on the depth of the flaw W. As a result, even if the optical fiber connector has a certain size of scratch, if the scratch is shallow and does not affect the performance of the optical fiber, it can be judged as an effective product. You can make judgments based on the actual situation.
- the size of the flaw is inspected, and if the size of the flaw is equal to or more than a certain value, the depth is further inspected. It is determined whether it should be regarded as a scratch.
- the operation is performed as follows according to the flowchart shown in FIG. The steps up to the acquisition of the image data of the end face of the optical fiber connector are the same as those of the first embodiment described above, and therefore, the steps after the acquisition of the image data will be described here.
- the personal computer 42 When acquiring the image data of the end face of the optical fiber connector from the CCD camera 38 (step S11), the personal computer 42 extracts the flaw W from the image data (step S12).
- the personal computer 42 calculates the size of the extracted flaw W, that is, the area value S (step S13). Then, the calculated area value S is compared with the reference area value S 0 (step S 14). Where this reference area value s. Is determined by the user, and is input from the keyboard 44 to the personal computer 42 in advance before the examination starts.
- the calculated area value S is the reference area value S.
- it is judged as “OK scratch” that does not affect the performance of the optical fiber, and the inspection is terminated (Step S15).
- the damaged portion W is determined as “NG scratch” which affects the performance of the optical fiber (step S20), and the reference brightness is determined. If the difference is not more than M, the flaw W is determined to be “OK flaw” which does not affect the performance of the optical fiber (step S21).
- the personal computer 42 outputs an inspection end signal to the control unit 22, and the control unit 22 receives the signal and outputs a drive signal to the work collection unit 20.
- the work collection unit 20 collects the optical fiber connectors from the work holding table 24 and separates and collects the optical fiber connectors with a stop force (not shown) based on the inspection result.
- the flaw inspection apparatus 10 of the present embodiment even if the optical fiber connector has a flaw of a certain size, the flaw is shallow and does not affect the performance of the optical fiber. In such a case, it can be determined that the product is a valid product, and the determination can be made according to the actual situation.
- a third method for inspecting the end face of the optical fiber connector using the above-described flaw inspection apparatus 10 will be described. An embodiment will be described. In the flaw inspection method according to the third embodiment, the end face of the optical fiber connector C is divided into a plurality of regions, and the permissible level of the depth of the flaw is set for each region to determine the flaw.
- the operation is performed as follows according to the flowchart shown in FIG. Note that the steps up to obtaining the image data of the end face of the optical fiber connector are the same as those in the first embodiment described above, and therefore the steps after obtaining the image data will be described here.
- the personal computer 42 When acquiring the image data of the end face of the optical fiber connector from the CCD camera 38 (step S31), the personal computer 42 extracts the flaw W from the image data (step S32).
- the personal computer 42 calculates the position P of the extracted wound portion W (step S33). Then, it is determined to which region of the end face of the optical fiber connector the calculated position P of the damaged portion W belongs (steps S34 to S36). That is, as shown in FIG. 7, the end face of the optical fiber connector C is divided into four areas A to D, and it is determined to which area the calculated position P of the flaw W belongs.
- the four areas A to D set on the end face of the optical fiber connector C are set to A, B, C, and D in order from the inner peripheral side, and the area A is set to an area smaller than the diameter.
- B is set in the area of less than a diameter V V 2.
- the region C is set in the area of diameter less than V 2 or V 3
- region D is set to the diameter V 3 or V 4 the following areas.
- step S 39 determines that affect the wound portion W on the performance of the optical fiber "NG wounds" (step S 39), if the following criteria brightness difference M a is, The damaged part W is determined as “OK damaged” which does not affect the performance of the optical fiber (step S40).
- step S35 it is further determined whether the position P of the wound W belongs to the area B (step S35). As a result, if it is determined that the position P of the wound W belongs to the area B, the average lightness L of the wound W and the average lightness L of the wound around the wound W are obtained.
- step S36 it is further determined whether the position ⁇ of the wound W belongs to the region C.
- step S49 the average brightness 1 ⁇ of the wound W and the area ⁇ ⁇ Average lightness L.
- step S49 the brightness difference AL (AL-Lo-L therebetween
- step S 50 the reference brightness difference M D
- the difference M D no effect on the performance of the optical fiber the flaw W determines that "OK scratches J (step S 52).
- each reference brightness difference M A , M B , M c , M D is calculated according to each area A, B, C, D.
- the user decides and inputs the information from the keyboard 44 to the personal computer 42 before starting the inspection. In general, as the scratch gets closer to the inner peripheral portion, the allowable range becomes narrower, and even a fine scratch is judged as “NG scratch”.
- the inspection of the end face of the optical fiber connector C is thus completed.
- the result of this determination is the average brightness L of the areas A to D to which the wound W belongs and the average brightness T around the wound. It is displayed on the display 46 together with the brightness difference. In the case where there are a plurality of damaged parts W, an inspection is performed on each of the damaged parts W.
- the personal computer 42 outputs a detection end signal to the control unit 22, and the control unit 22 receives the signal and outputs a drive signal to the work collection unit 20.
- the work collecting section 20 collects the optical fiber connectors from the work holding table 24 and separates and collects the optical fiber connectors with a stop force (not shown) based on the inspection result. That is, the OK optical fiber connector and the NG optical fiber connector are separated and collected with different stopping forces. At this time, in the case of the NG optical fiber connector, it may be further separated and collected according to the position of the damaged portion W.
- the flaw inspection apparatus 10 of the present embodiment it is possible to determine whether or not the flaw affects the performance of the optical fiber according to the position of the flaw, so that an accurate determination that is more realistic can be made. Can be done.
- the end face of the optical fiber connector is divided into four regions A, B, C, and D.
- the end surface may be divided into more or less regions. Good.
- the inspection may be terminated by determining that the optical fiber connector is OK without performing the inspection of the depth of the flaw. That is, a reference area may be set, and only the flaws belonging to the reference area may be subjected to a depth inspection to determine the acceptability of the optical fiber connector.
- the inspection of the size of the wound and the inspection of the position are separately performed. Yes, you can do both at the same time. That is, for example, after inspecting the size of the flaw, the position of the flaw W that is determined to be “OK flaw” may be further inspected (after the processing in step S15, step S3 is performed as it is. Steps 3 and 4 are performed), and a further inspection is performed on the damaged portion W determined as “ ⁇ ⁇ scratch” in the position inspection (Steps S40, S44, S) 48 After the processing of S52, the processing of step S13 and subsequent steps is performed as it is.
- the depth of the flaw W which is determined to be “NG flaw” on both sides may be detected.
- the pass / fail of the optical fiber connector is determined based on the position, size, and depth of the flaw, but the pass / fail of the optical fiber connector is further determined based on the number of flaws. You may make it. That is, an optical fiber connector having a certain number of NG scratches is judged to be an NG optical fiber connector, and even if it is OK damage, if there are more than a specified number (set by the user), the NG fiber connector May be determined.
- the present invention is applied to a method for inspecting the end face of an optical fiber connector.
- the application of the present invention is not limited to this. It can be used not only for inspection of the outer peripheral surface of the connector, but also for inspection of flaws formed on the surface of the work other than the optical fiber connector.
- the average brightness of pixels adjacent to the wound is obtained.
- a certain area including the wound is specified, and the area is determined.
- the average lightness of the part other than the damaged part in the inside may be obtained and used as the average lightness around the damaged part.
- the end face of the optical fiber connector may be divided into a plurality of regions in advance, and the average brightness of the portion other than the flaw in that region may be obtained as the average brightness around the flaw.
- the average brightness of the entire end surface of the optical fiber connector other than the damaged portion may be determined and used as the average brightness around the damaged portion.
- the image obtained by the CCD camera 38 is clear even in the part without scratches.
- the most accurate inspection is performed by obtaining the average brightness of pixels adjacent to the flaw and using the average brightness around the flaw as in the above-described embodiment. I can.
- the imaging area A of the CCD camera 38 is set so that the entire end face of the optical fiber connector C is imaged. In such a case, it is preferable to set so that only that part is imaged.
- the present invention it is possible to determine the acceptability of a work in consideration of the depth of a flaw formed on the surface of the work. As a result, even if a workpiece has a certain size of scratch on its surface, if the scratch is shallow and does not affect the performance of the workpiece, it is determined to be an effective workpiece. And make judgments based on the actual situation.
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Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002454198A CA2454198A1 (en) | 2001-07-10 | 2002-07-10 | Method and device for detecting flaw of work |
KR10-2004-7000344A KR20040023644A (ko) | 2001-07-10 | 2002-07-10 | 작업편의 흠집검사방법 및 장치 |
JP2003512688A JPWO2003006969A1 (ja) | 2001-07-10 | 2002-07-10 | ワークの傷検査方法及び装置 |
US10/482,922 US20040165181A1 (en) | 2001-07-10 | 2002-07-10 | Method and device for detecting flaw of work |
EP20020745901 EP1413877A1 (en) | 2001-07-10 | 2002-07-10 | Method and device for detecting flaw of work |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2001-208869 | 2001-07-10 | ||
JP2001208869 | 2001-07-10 |
Publications (1)
Publication Number | Publication Date |
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WO2003006969A1 true WO2003006969A1 (fr) | 2003-01-23 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2002/006986 WO2003006969A1 (fr) | 2001-07-10 | 2002-07-10 | Procede et dispositif de detection des defauts d'un produit |
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Country | Link |
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US (1) | US20040165181A1 (ja) |
EP (1) | EP1413877A1 (ja) |
JP (1) | JPWO2003006969A1 (ja) |
KR (1) | KR20040023644A (ja) |
CN (1) | CN1526069A (ja) |
CA (1) | CA2454198A1 (ja) |
WO (1) | WO2003006969A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4345930B2 (ja) * | 2005-01-28 | 2009-10-14 | Ykk株式会社 | 物品の外観検査装置 |
JP5415162B2 (ja) * | 2009-06-23 | 2014-02-12 | 昭和電工株式会社 | 円筒体の表面検査装置 |
JP5464176B2 (ja) * | 2011-06-20 | 2014-04-09 | 株式会社安川電機 | ピッキングシステム |
WO2013134278A1 (en) | 2012-03-05 | 2013-09-12 | Fiberqa, Llc | System and method of high resolution fiber optic inspection |
CN102829954A (zh) * | 2012-09-18 | 2012-12-19 | 宁波博莱特光电科技有限公司 | 一种自动同轴检测机 |
KR101631193B1 (ko) * | 2013-10-31 | 2016-06-16 | (주)럭스콤 | 광섬유의 높이 정렬 및 검사용 시스템 |
JP6353008B2 (ja) | 2016-11-02 | 2018-07-04 | ファナック株式会社 | 検査条件決定装置、検査条件決定方法及び検査条件決定プログラム |
JP6600292B2 (ja) * | 2016-11-28 | 2019-10-30 | アンリツ株式会社 | 端面検査装置とその合焦画像データ取得方法 |
WO2018175278A1 (en) | 2017-03-19 | 2018-09-27 | Fiberqa, Llc | Integrated pin and socket fiber optic cleaner tip |
WO2019212850A2 (en) | 2018-05-02 | 2019-11-07 | Corning Research & Development Corporation | Methods for detection of contaminants on optical fiber connectors |
US11050204B2 (en) * | 2018-07-16 | 2021-06-29 | The University Of North Carolina At Chapel Hill | Camera control unit (CCU) communications breakout box |
CN114324383A (zh) * | 2021-11-24 | 2022-04-12 | 深圳市埃尔法光电科技有限公司 | 一种连接器检测方法、装置及系统 |
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- 2002-07-10 JP JP2003512688A patent/JPWO2003006969A1/ja active Pending
- 2002-07-10 WO PCT/JP2002/006986 patent/WO2003006969A1/ja not_active Application Discontinuation
- 2002-07-10 CA CA002454198A patent/CA2454198A1/en not_active Abandoned
- 2002-07-10 US US10/482,922 patent/US20040165181A1/en not_active Abandoned
- 2002-07-10 CN CNA028138031A patent/CN1526069A/zh active Pending
- 2002-07-10 KR KR10-2004-7000344A patent/KR20040023644A/ko not_active Application Discontinuation
- 2002-07-10 EP EP20020745901 patent/EP1413877A1/en not_active Withdrawn
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JPS6315141A (ja) * | 1986-07-07 | 1988-01-22 | Kyodo Printing Co Ltd | 繰返しパタ−ンをもつ物品の検査方法及びその装置 |
JPH0273142A (ja) * | 1988-09-08 | 1990-03-13 | Kawasaki Steel Corp | 表面欠陥検査方法 |
JPH0933388A (ja) * | 1995-07-24 | 1997-02-07 | Asahi Optical Co Ltd | 光学部材検査装置および検査方法 |
JPH0949717A (ja) * | 1995-08-07 | 1997-02-18 | Toyota Motor Corp | ワーク表面キズ検出方法及び装置 |
JP2000092319A (ja) * | 1998-09-17 | 2000-03-31 | Dainippon Screen Mfg Co Ltd | 画像上の傷部分判定装置、方法および記憶媒体 |
JP2000306964A (ja) * | 1999-04-22 | 2000-11-02 | Hitachi Ltd | 検査データ処理方法および検査データ処理装置 |
Also Published As
Publication number | Publication date |
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KR20040023644A (ko) | 2004-03-18 |
CN1526069A (zh) | 2004-09-01 |
US20040165181A1 (en) | 2004-08-26 |
JPWO2003006969A1 (ja) | 2004-11-04 |
CA2454198A1 (en) | 2003-01-23 |
EP1413877A1 (en) | 2004-04-28 |
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