EP1929767A2 - Vorrichtung und verfahren zum visuellen erfassen von flächigen oder räumlichen objekten - Google Patents
Vorrichtung und verfahren zum visuellen erfassen von flächigen oder räumlichen objektenInfo
- Publication number
- EP1929767A2 EP1929767A2 EP06754562A EP06754562A EP1929767A2 EP 1929767 A2 EP1929767 A2 EP 1929767A2 EP 06754562 A EP06754562 A EP 06754562A EP 06754562 A EP06754562 A EP 06754562A EP 1929767 A2 EP1929767 A2 EP 1929767A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- mirror element
- camera
- objects
- detected
- pivoting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000011156 evaluation Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims description 42
- 229910000679 solder Inorganic materials 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 14
- 230000000007 visual effect Effects 0.000 claims description 10
- 230000007547 defect Effects 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000005286 illumination Methods 0.000 claims description 6
- 238000003384 imaging method Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 4
- 238000003908 quality control method Methods 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 2
- 238000005476 soldering Methods 0.000 claims 1
- 238000001454 recorded image Methods 0.000 abstract 1
- 230000006978 adaptation Effects 0.000 description 3
- 235000012431 wafers Nutrition 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- G01N21/8806—Specially adapted optical and illumination features
Definitions
- the invention relates to a device and a method for the visual detection of planar or spatial objects, the device comprising a camera for capturing images of the planar or spatial object and provided with at least one evaluation unit for evaluating the captured images or connectable or connected.
- a displacement of the detection device in the x and y direction over the board to be equipped is provided away.
- DE 203 17 095 U1 discloses a device for detecting defects of an object surface, especially in cast parts, wherein a light source for illuminating the object, a light detector for detecting a beam reflected from the object surface toward the illumination beam and an evaluation unit for evaluating the image data obtained thereby are provided for error detection.
- the number of pixels to be examined and the size of the pixel regions to be considered should be kept as low as possible.
- those are determined whose brightness values deviate from a mean pixel brightness more than a predefinable tolerance value.
- a laser beam is also known for scanning a printed circuit board for its examination, e.g. from DE 198 83 004 T1, in which the scanning device consists of two galvanomirrors with mutually orthogonal rotary shafts and a Abtastlinse.
- DE 101 04 355 A1 discloses an apparatus and a method for image scanning of the surface of an object, for use in a painting line for the determination of impurities or defects of the Surfaces of an object.
- the device comprises a receiving system and a controllable transport means, wherein the transport means along a first horizontal axis relative to the receiving system and the receiving system by means of a displacement means along a second vertical axis can be moved linearly.
- the recording system includes a camera and lighting.
- the present invention is therefore based on the object, a device and a method for the visual detection of planar or spatial objects to the effect that a comparison with the prior art faster and more accurate detection of objects with little technical effort in a single acquisition process is possible. Especially for the use of the device for detecting
- the object is achieved for a device according to the preamble of claim 1, characterized in that a single camera and at least one adjustable or pivotable mirror element are provided.
- the object is achieved in that a camera and at least one adjustable mirror element are arranged to each other so that the objects to be detected are arranged in the detection range of the at least one mirror element, the adjustable mirror element for detecting the to be detected Objects is adjusted or pivoted about one or two axes at an adjustable speed, the camera, the imaged in the at least one mirror element objects recorded, and the detected objects are forwarded by the camera to an evaluation unit for evaluation and processed there.
- a device for the visual detection of flat or spatial objects which has a non-moving camera.
- a camera is understood to mean a device for converting a captured two-dimensional image into electrical signals.
- the speed of detection in a moving camera is much lower than with a stationary camera, as in the latter does not accelerate the camera mass and needs to be braked again, which is always a delay the subsequent movement leads.
- the provision of a moving object to be detected leads to problems in the detection, since it can lead to distortions due to the movement of the object.
- the structure of such a device is complicated, since a Hantier coupled must be provided for moving the object in front of the camera.
- the speed of detecting objects and the accuracy of the detected information can be greatly increased by the suitable choice of its mass compared to the prior art.
- speeds of at least 20 objects per second, more preferably 50 objects per second, with an accuracy of 1/100 mm, in particular even 1/1000 mm or even better are preferably possible. It is also possible to capture less than 20 objects per second, as well as any number of objects greater than 20 or even greater than 50 per second. This is neither with devices of the prior Technique using a plurality of cameras is still possible with prior art devices employing a x and y slidable camera.
- one or more than one mirror element or even a multi-part mirror element can be assigned to a camera if advantages arise in the acquisition of the information about the objects to be detected as a result of the multi-part or the further mirror elements.
- the acquisition of the data captured by the mirror element or elements by the camera is then adjusted according to the number of mirror elements and their position in space in order to receive all information optimally.
- the camera it proves to be particularly advantageous for the camera to be fixed and to provide an adjustment device for the mirror element for adjusting or pivoting the mirror element about two axes. This can do that
- Mirror element can be rotated particularly well in a plane around all axis, so that he has at the same time good stability of his movement despite the good mobility.
- the distance to the object to be detected does not change in the z-direction, so that a preset or presettable focusing with respect to the object is maintained in the detection process.
- Even large objects, such as boards, etc. can be completely detected in a detection step or scan. For example, capturing a 60 x 60 cm surface in one scan is easily possible.
- a control device for driving the adjusting device for the mirror element with a predefinable or predetermined program.
- This program can run on a computer associated with or integrated into the device and be adapted to the distance to the object, the desired accuracy of the detection and the type of object and the number of subregions of the object to be detected.
- the adjusting device comprises at least one device for adjusting the mirror element about the x-axis and at least one device for adjusting the mirror element about the y-axis, wherein the devices can be provided separately or in combination with each other.
- the x-Achseverstell noticed for adjusting the mirror element about the x-axis and / or the y- axis adjustment for adjusting the mirror element about the y-axis motor, hydraulic, pneumatic, magnetic, by temperature changes or by another Type of drive means drivable or driven to design.
- An adjustment of the angle of the mirror element to the surface to be detected of the object or to the object or objects can be done in a simple manner, under the influence of larger or smaller occurring, the movement braking frictional forces.
- the mirror element is advantageously designed as a stable mirrored plate, in particular glass, metal or Kunststoffstsoffplatte, formed, in particular with a comparatively low weight, to allow a slight, yet precise movement.
- the mirror element has a very smooth detection surface with a particularly low roughness.
- the evaluation unit advantageously has a corresponding compensation device, by means of which the distortions for the evaluation can be compensated.
- the camera is substantially aligned in a horizontal position approximately parallel to the surface of the object to be detected.
- the mirror element or elements can be arranged to one another such that the movement of the mirror element from the camera can be detected very well without the mirror element obstructing the image capture by the camera during its movement.
- the camera can be an analog or a digital camera with imaging optics, wherein the choice of imaging optics can be adapted to the particular application suitably. Furthermore, a manually or motor-operated focusing and / or diaphragm adjustment device can be provided in the region of the imaging optics of the camera. As a result, an adaptation to different distances to the objects to be detected is possible.
- the illumination device in the region of the camera. It proves to be particularly advantageous to design the illumination device annular, surrounding the lens of the camera, since the lens of the camera is usually aligned optimally with the mirror element in order to be able to record the images captured in it. Due to the reflection of the light in the mirror element, this is redirected to the object and thereby illuminates the areas to be detected on the surface of the object.
- the device according to the invention and the method according to the invention can be used in a wide variety of applications.
- the use of the device for detecting defects on substrates, in particular defective solder joints, missing or incorrectly positioned components, bridges, excess solder, solder bumps, and / or codings proves to be advantageous.
- the device is particularly suitable for more difficult applications, in which errors are difficult to detect or detectable or encodings are alternately provided at various points.
- the device according to the invention or the method according to the invention can advantageously also be used, for example, for quality control, in particular for print image control, completeness control of constructed or produced products, connection point control, in particular weld seam inspection, surface inspection or for checking the regularity of other features of a product.
- the object detection step for detecting the object or objects to be detected may be adjustable at regular or irregular intervals. Preferably, it is adaptable or adapted to the frequency of a change of the objects to be detected. This makes it possible to provide a time-effective detection of the objects, which does not have to be consistent with the respective application, but instead provides an object detection step at intervals.
- the device according to the invention If objects are to be detected by the device according to the invention, which are located alternately at different positions, it proves to be advantageous to provide a device with which the provision of an object recognition step is possible. This is done before the actual scan or object detection step performed to detect the positioning of the object (s) in a database for comparison with a scanned object surface upon detection of object positioning unknown to any object to be read or detected.
- the position of the objects to be detected is thus stored in a database as a pattern and a comparison made with respect to the known pattern before or at, possibly also after each detection process (scan). If it turns out that the pattern is not yet in the database, a new pattern will be created. Especially when capturing codes on substrates, such as boards, the
- Encodings may be alternately provided at different locations, wherein a capturing operation provides for capturing a plurality of encodings on one or more substrates at once.
- a capturing operation provides for capturing a plurality of encodings on one or more substrates at once.
- their position is optimally previously known, that is detected by an object detection step, so that the reading of these can be done correctly, since the adjusting or pivoting device for moving the mirror element this in moves the appropriate position (s).
- the x-axis adjustment or pivoting device for adjusting or pivoting the mirror element about the x-axis and the y-axis adjustment or -verschwenk can also be a z-
- Axial adjustment for adjusting the mirror element in the z-direction ie for approaching and removing the mirror element to be detected or from the object to be detected, be provided. If the device is too tight is arranged on the objects to be detected, can occur due to the different distances during the movement of the mirror element blurred when detecting some out of focus set objects and thereby a falsification of the results or an impossible readability. This can be remedied by choosing the largest possible distance to the total area on which the objects to be detected are arranged. As a result, the differences between the distances to the objects to be detected no longer differ in a measure that falsifies the measurement or makes it impossible to read, for example, codes.
- the distance can also be changed by the z-axis adjusting device during the movement of the mirror element for detecting and reading out the objects, so that a focusing takes place. In this case, however, care must be taken that capturing the image captured in the mirror element by the camera is still possible and the movement of the mirror element is sufficiently quiet to avoid fuzziness in the image, which can otherwise lead to reading errors or measurement inaccuracies.
- the evaluation unit may further comprise at least one device for compensating for perspective distortions, so that perspective distortions can be compensated for at least in the evaluation of the captured images in the evaluation unit.
- Figure 1 is a perspective schematic diagram of a first embodiment of an inventive device for the visual detection of flat or spatial objects, in the case illustrated solder joints on boards, and
- FIG. 1 shows a perspective view of a first embodiment of a device 1 according to the invention for the visual detection of objects which, in the illustrated case, are boards 2 on a substrate 3. On the substrate to be scanned 20 such boards 2 are arranged, with a review of the solder joints on the boards should be made.
- the device 1 comprises a horizontally arranged camera 10 and a mirror element 11.
- the latter can be adjusted or pivoted by an adjusting or pivoting device 12 in its position, ie it can be the angle to the plane of the substrate 3 and the objects to be detected of the solder joints be changed on the boards 2.
- the adjusting or pivoting device 12 comprises a device 13 for pivoting the mirror element 11 about the x-axis 14 and a device 15 for pivoting the mirror element 11 about the y-axis 16. By pivoting the mirror element about the x and the y Axis is given sufficient movement to be able to scan all boards on the substrate at a detection step.
- the devices 13 and 15 may e.g. Motors, in particular stepper motors, pneumatic devices, hydraulic devices, magnetic field generating devices, based on an adjustment by temperature change
- the camera is aligned with the mirror element so that it can directly detect the images captured by it, which is indicated by the radiation beams 17 and 18 in FIG.
- the camera In the basic position before the detection process, in which the mirror element is pivoted about the x and y axis, the camera can be aligned with its lens 19 as imaging optics approximately to the center of the mirror element.
- a control device 20 which is only indicated in FIG. 1, is provided. Not only does this cause the movement of the devices 13 and 15, but it can also adjust the speed of movement of the mirror element and the extent of its movement about the x and y axes. Axis to the change of the objects to be detected or scanned take place, in particular by the frequency of the scan, so the repetition rate of the object detection steps.
- the captured data is forwarded by the camera to an evaluation unit 21, which is likewise only indicated in FIG.
- This is advantageously also connected to the driving device 19 in order to be able to carry out a new detection step upon detection of erroneous detection of the data before the substrate with the boards is exchanged for another.
- a transport device for moving the substrates can also be coupled to the evaluation unit and / or drive device with regard to the speed of the further transport of the substrates, in order here to adapt the individual components to one another and thus to optimally detect the objects to be detected, e.g. to achieve faulty solder joints.
- the pivoting of the mirror element according to the invention proves to be advantageous because a scan is done from different angles and thus shade can be used for evaluation with provision of illumination of the substrate or the boards shadow around the solder joints around.
- FIG. 1 a read-out of codes 4 on the boards 2 by the device is provided in FIG.
- codes 4 contain, for example, the production data of products. They can, as indicated in FIG. 2, be differently positioned on the boards and thus also on the substrate, so that reading with a measuring setup known in the prior art is hardly possible.
- it is only by providing the combination of a stationary camera according to the invention and a moving mirror element that readout of the very small codings is possible without problems.
- adjusting or pivoting means 13 means for pivoting the mirror element about the x-axis
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Stereoscopic And Panoramic Photography (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005029901.6A DE102005029901B4 (de) | 2005-06-25 | 2005-06-25 | Vorrichtung und Verfahren zum visuellen Erfassen von flächigen oder räumlichen Objekten |
| PCT/EP2006/006125 WO2007000293A2 (de) | 2005-06-25 | 2006-06-26 | Vorrichtung und verfahren zum visuellen erfassen von flächigen oder räumlichen objekten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1929767A2 true EP1929767A2 (de) | 2008-06-11 |
Family
ID=37450907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06754562A Ceased EP1929767A2 (de) | 2005-06-25 | 2006-06-26 | Vorrichtung und verfahren zum visuellen erfassen von flächigen oder räumlichen objekten |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8164625B2 (de) |
| EP (1) | EP1929767A2 (de) |
| DE (1) | DE102005029901B4 (de) |
| WO (1) | WO2007000293A2 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007032471A1 (de) * | 2007-07-10 | 2009-01-22 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Verfahren und Vorrichtung zur Bestimmung der Lage eines Kamerasystems relativ zu einem Objekt |
| CN102119328B (zh) * | 2008-08-07 | 2013-01-23 | 凯德易株式会社 | 检查系统 |
| JP5567908B2 (ja) * | 2009-06-24 | 2014-08-06 | キヤノン株式会社 | 3次元計測装置、その計測方法及びプログラム |
| US8379213B2 (en) | 2009-08-21 | 2013-02-19 | Micropoint Bioscience, Inc. | Analytic device with 2D scanning mirror reader |
| DE202012103130U1 (de) | 2012-08-20 | 2012-09-18 | Günther Ende | Industrie-Kamerasystem |
| WO2015140604A1 (en) * | 2014-08-26 | 2015-09-24 | Nikoomanesh Mohammad Reza | Single mirror scanning mechanism |
| JP6484515B2 (ja) * | 2015-07-09 | 2019-03-13 | 株式会社日立製作所 | 油入機器の漏油検出装置 |
| US11790656B2 (en) | 2019-12-16 | 2023-10-17 | Cognex Corporation | Machine vision system and method with steerable mirror |
| US11647290B2 (en) | 2019-12-16 | 2023-05-09 | Cognex Corporation | Machine vision system and method with steerable mirror |
| US10812727B1 (en) | 2019-12-16 | 2020-10-20 | Cognex Corporation | Machine vision system and method with steerable mirror |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4499490A (en) * | 1982-05-10 | 1985-02-12 | Morgan Jack B | Scanning apparatus with video camera |
| DE3418319A1 (de) * | 1984-05-17 | 1985-11-21 | Elke 3119 Himbergen Osterloh | Sehhilfegeraet |
| JPH07322104A (ja) * | 1994-05-24 | 1995-12-08 | A S I Kk | 監視装置 |
| US6061086A (en) * | 1997-09-11 | 2000-05-09 | Canopular East Inc. | Apparatus and method for automated visual inspection of objects |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3891795A (en) * | 1974-04-11 | 1975-06-24 | Quentin S Johnson | Automatic day-night television surveillance system |
| JPS5267511A (en) | 1975-12-02 | 1977-06-04 | Oki Electric Ind Co Ltd | Visual field alterating unit for television camera |
| US4337482A (en) * | 1979-10-17 | 1982-06-29 | Coutta John M | Surveillance system |
| JPS63129473A (ja) | 1986-11-19 | 1988-06-01 | Matsushita Electric Ind Co Ltd | パタ−ン認識装置 |
| JPS63167981A (ja) | 1986-12-29 | 1988-07-12 | Matsushita Electric Ind Co Ltd | パタ−ン認識装置 |
| US4963962A (en) * | 1989-01-25 | 1990-10-16 | Visual Methods, Inc. | Optical surveillance assembly and camera |
| US5173796A (en) * | 1991-05-20 | 1992-12-22 | Palm Steven G | Three dimensional scanning system |
| FR2677775B1 (fr) | 1991-06-14 | 1993-10-01 | Aerospatiale Ste Nationale Indle | Procede et dispositif de balayage pour un dispositif de prise de vue opto-electronique a grand champ et a haute resolution. |
| DE69610925T2 (de) | 1995-08-04 | 2001-06-13 | Image Processing Systems, Inc. | Vorrichtung zur untersuchung von flaschengewinden und verfahren zu deren betrieb |
| US6144452A (en) * | 1996-04-23 | 2000-11-07 | Matsushita Electric Industiral Co., Ltd. | Electronic component mounting apparatus |
| JPH1137723A (ja) | 1997-07-23 | 1999-02-12 | Fujitsu Ltd | 高さ検査装置 |
| EP0898163B1 (de) | 1997-08-22 | 2000-11-08 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. | Verfahren und Vorrichtung zur automatischen Prüfung bewegter Oberflächen |
| US6633376B1 (en) * | 1998-08-10 | 2003-10-14 | Mitsubishi Denki Kabushiki Kaisha | Apparatus for inspecting a printed circuit board |
| DE19902081A1 (de) * | 1999-01-20 | 2000-07-27 | Zeiss Carl Fa | Stabilisierte Kamera |
| DE10104355B4 (de) | 2000-03-09 | 2010-02-18 | Isra Vision Systems Ag | Vorrichtung und Verfahren zur Bildabtastung der Oberfläche eines Objekts |
| US20040085443A1 (en) * | 2000-12-13 | 2004-05-06 | Kallioniemi Olli P | Method and system for processing regions of interest for objects comprising biological material |
| US6900888B2 (en) * | 2001-09-13 | 2005-05-31 | Hitachi High-Technologies Corporation | Method and apparatus for inspecting a pattern formed on a substrate |
| DE10146158A1 (de) * | 2001-09-19 | 2003-04-10 | Vif Videotechnik Fuer Ind & Fo | Optischer Vorsatz |
| EP1559304A4 (de) * | 2002-10-01 | 2007-08-01 | Mirtec Co Ltd | Sichtprüfvorrichtung unter verwendung eines vollreflexionsspiegels |
| NL1022517C2 (nl) * | 2003-01-29 | 2004-08-03 | Vitronics Soltec B V | Inrichting en werkwijze voor het visueel onderzoeken van soldeerverbindingen. |
| WO2004104566A1 (de) * | 2003-05-19 | 2004-12-02 | Micro-Epsilon Messtechnik Gmbh & Co. Kg | Verfahren und vorrichtung zur optischen qualitätsprüfung von objekten mit vorzugsweise kreisförmig umlaufendem rand |
| DE10352936A1 (de) | 2003-05-19 | 2004-12-30 | Micro-Epsilon Messtechnik Gmbh & Co Kg | Verfahren und Vorrichtung zur optischen Qualitätsprüfung von Objekten mit vorzugsweise kreisförmig umlaufendem Rand |
| JP3953988B2 (ja) * | 2003-07-29 | 2007-08-08 | Tdk株式会社 | 検査装置および検査方法 |
| DE20317095U1 (de) | 2003-11-07 | 2004-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung zur Erkennung von Oberflächenfehlern |
| JP4826750B2 (ja) * | 2005-04-08 | 2011-11-30 | オムロン株式会社 | 欠陥検査方法およびその方法を用いた欠陥検査装置 |
| DE102005031957B4 (de) * | 2005-07-08 | 2007-03-22 | Koenig & Bauer Ag | Vorrichtung zur Inspektion eines Bedruckstoffes mit uneinheitlich reflektierenden Oberflächen |
-
2005
- 2005-06-25 DE DE102005029901.6A patent/DE102005029901B4/de not_active Expired - Fee Related
-
2006
- 2006-06-26 US US11/922,752 patent/US8164625B2/en active Active
- 2006-06-26 WO PCT/EP2006/006125 patent/WO2007000293A2/de not_active Ceased
- 2006-06-26 EP EP06754562A patent/EP1929767A2/de not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4499490A (en) * | 1982-05-10 | 1985-02-12 | Morgan Jack B | Scanning apparatus with video camera |
| DE3418319A1 (de) * | 1984-05-17 | 1985-11-21 | Elke 3119 Himbergen Osterloh | Sehhilfegeraet |
| JPH07322104A (ja) * | 1994-05-24 | 1995-12-08 | A S I Kk | 監視装置 |
| US6061086A (en) * | 1997-09-11 | 2000-05-09 | Canopular East Inc. | Apparatus and method for automated visual inspection of objects |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102005029901A1 (de) | 2006-12-28 |
| US20100118121A1 (en) | 2010-05-13 |
| WO2007000293A2 (de) | 2007-01-04 |
| US8164625B2 (en) | 2012-04-24 |
| WO2007000293A3 (de) | 2007-05-18 |
| DE102005029901B4 (de) | 2022-10-06 |
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