DE102007031358A1 - Device for imaging the inner surface of a preferably cylindrical cavity - Google Patents
Device for imaging the inner surface of a preferably cylindrical cavity Download PDFInfo
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- DE102007031358A1 DE102007031358A1 DE102007031358A DE102007031358A DE102007031358A1 DE 102007031358 A1 DE102007031358 A1 DE 102007031358A1 DE 102007031358 A DE102007031358 A DE 102007031358A DE 102007031358 A DE102007031358 A DE 102007031358A DE 102007031358 A1 DE102007031358 A1 DE 102007031358A1
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- image
- optics
- digital
- cartesian
- output signals
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- 238000003384 imaging method Methods 0.000 title claims abstract description 4
- 238000011161 development Methods 0.000 abstract description 3
- 238000011156 evaluation Methods 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/005—Photographing internal surfaces, e.g. of pipe
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
- G03B37/04—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe with cameras or projectors providing touching or overlapping fields of view
-
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
-
- 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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
- G01N2021/9542—Inspecting the inner surface of hollow bodies, e.g. bores using a probe
-
- 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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
- G01N2021/9542—Inspecting the inner surface of hollow bodies, e.g. bores using a probe
- G01N2021/9544—Inspecting the inner surface of hollow bodies, e.g. bores using a probe with emitter and receiver on the probe
Landscapes
- Physics & Mathematics (AREA)
- General 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)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
Vorrichtung zur Abbildung der Innenfläche (4) eines vorzugsweise zylindrischen Hohlraums in einem Werkstück 8, mit einer Optik 2 mit Rundumblick von vorzugsweise 360°, mit Mitteln zum Vorschub der Optik 2 senkrecht zur Ebene des Rundumblicks, mit einem digitalen Bildaufnehmer 10 mit einer ebenen Bildaufnahmefläche, auf der das von der Optik 2 aufgenommene Rundumbild abgebildet wird, und mit Mitteln, die aus den digitalen Ausgangssignalen des Bildaufnehmers 10 ein karthesisches Bild erzeugen, das eine Abwicklung 40 der Innenfläche des Hohlraums ist. Der digitale Bildaufnehmer 10 weist ein digitales Auslesefenster 22 auf, das so programmiert ist, dass nur Ausgangssignale entsprechend einem ringförmigen Band auf der Innenfläche 4 des Hohlraums in einer Ebene im Wesentlichen quer zur Richtung des schrittweisen Vorschubs der Optik erzeugt werden. Diese Ausgangssignale bilden den Bildinhalt des karthesischen Bildes. Durch das programmierte Ringfenster wird eine beträchtliche Verringerung der zu verarbeitenden Informationsmenge und so eine entpsrechende Erhöhung der Arbeitsgeschwindigkeit der nachfolgenden Auswertemittel erreicht.Device for imaging the inner surface (4) of a preferably cylindrical cavity in a workpiece 8, with an all-round optical system 2 of preferably 360 °, with means for advancing the optical system 2 perpendicular to the plane of the all-round view, with a digital image recorder 10 with a flat image-receiving surface on which the all-around image taken by the optics 2 is imaged and with means which generate from the digital output signals of the image sensor 10 a Cartesian image which is a development 40 of the inner surface of the cavity. The digital imager 10 has a digital readout window 22 programmed to produce only output signals corresponding to an annular band on the inner surface 4 of the cavity in a plane substantially transverse to the direction of incremental advance of the optics. These output signals form the image content of the Cartesian image. The programmed ring window achieves a considerable reduction in the amount of information to be processed and thus a corresponding increase in the operating speed of the subsequent evaluation means.
Description
Die Erfindung betrifft eine Vorrichtung zur Abbildung der Innenfläche eines vorzugsweise zylindrischen Hohlraums in einem Werkstück, mit einer Optik mit Rundumblick von vorzugsweise 360°, mit Mitteln zum schrittweisen Vorschub der Optik senkrecht zur Ebene des Rundumblicks, mit einer digitalen Kamera mit einer ebenen Bildaufnahmefläche, auf der das von der Optik aufgenommene Rundumbild abgebildet wird, und mit Mitteln, die aus den digitalen Ausgangssignalen der Kamera ein karthesisches Bild erzeugen, das eine Abwicklung der Innenfläche des Hohlraums ist.The The invention relates to a device for imaging the inner surface a preferably cylindrical cavity in a workpiece, with a 360 ° view, preferably 360 °, with means for incrementally advancing the optics perpendicular to the plane of the all-round view, with a digital camera with a flat image-taking surface the image captured by the optics is imaged, and with means coming from the digital output signals of the camera Cartesian image, which is a development of the inner surface of the cavity is.
Eine
derartige Vorrichtung ist durch
Die Abbildung einer Innenfläche eines zylindri schen Hohlraums in einem Werkstück dient dem Ziel, die Oberfläche auf Fehler zu untersuchen und fehlerhafte Bauteile auszuscheiden. Dies ist besonders in der Automobilindustrie von Bedeutung, wo funktionsrelevante Bohrungen seriengefertigt werden, beispielsweise bei Bremszylindern, Bremssätteln, Pleueln, Kolben, Motorzylindern, Zylinderlaufbuchsen oder Lagerbuchsen. Eine solche Prüfung erfolgte bisher durch visuelle Inspektion und natürlich behaftet mit den Einschränkungen der Sichtkontrolle. Anzustreben ist jedoch eine Stück-für-Stück-Prüfung bei gleichzeitiger Automatisierung des Prüfvorganges. Eine solche Prüfung ist mit der genannten bekannten Vorrichtung nicht möglich.The Illustration of an inner surface of a cylindri's cavity in a workpiece serves the target, the surface to investigate faults and eliminate defective components. This is particularly important in the automotive industry, where functionally relevant Holes are mass-produced, for example in brake cylinders, Brake calipers, connecting rods, pistons, engine cylinders, cylinder liners or bushings. Such a test has been done so far through visual inspection and of course afflicted with the Limitations of visual inspection. However, it is desirable a piece-by-piece check at Simultaneous automation of the inspection process. A Such testing is with the known device mentioned not possible.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Vorrichtung der im Oberbegriff des Anspruchs 1 genannten Art zu schaffen, bei der die Zeit für die Prüfung so gering ist, daß eine Stück-für-Stück-Prüfung, insbesondere eine automatische Prüfung erfolgen kann.Of the Invention is therefore based on the object, a device of to create in the preamble of claim 1 mentioned type, in the the time for the exam is so small that a piece-by-piece exam, In particular, an automatic check can be made.
Die der Erfindung zugrundeliegende Aufgabe wird durch die im Kennzeichen des Anspruchs 1 angegebene Lehre gelöst.The The problem underlying the invention is characterized by in the plate of claim 1 given teaching.
Der Grundgedanke der Erfindung besteht darin, daß der digitale Bildaufnehmer, der das von der Optik aufgenommene Rundumbild aufnimmt, nur Ausgangssignale entsprechend einer ringförmigen Linie auf der Innenfläche des Hohlraumes erzeugt, derart, daß das Ausgangssignal nur Informationen über diese ringförmige Linie enthält. Dadurch ergibt sich eine beträchtliche Reduktion des Informationsinhalts. Diese reduzierten Ausgangssignale bilden dann den Bildinhalt der Zeilen des karthesischen Bildes, das im Ergebnis erzeugt wird. Durch den schrittweisen Vorschub der Optik werden jeweils neue Zeilen aneinandergereiht, so daß das Gesamtbild ent steht.Of the The basic idea of the invention is that the digital Image pick-up that captures the all-around image captured by the optics, only output signals corresponding to an annular line generated on the inner surface of the cavity, such that the Output signal only information about this annular Contains line. This results in a considerable Reduction of information content. These reduced output signals then form the image content of the lines of the Cartesian image, which is generated in the result. By the gradual advance of the Optics each new lines are strung together, so that the Entire picture is ent.
Die Erfindung macht sich die Tatsache zunutze, daß es inzwischen digitale Hochgeschwindigkeitsbildaufnehmer gibt, die in der Lage sind, 1.000 Bilder pro Sekunde aufzunehmen und entsprechende Bildsignale zu erzeugen. Dabei sind beliebige Auslesefenster programmierbar. Die Erfindung sieht nun vor, daß das Auslesefenster so programmiert ist, daß nur Ausgangssignale entsprechend einem ringförmigen Band auf der Innenfläche des Hohlraumes im wesentlichen quer zur Richtung des schrittweisen Vorschubs der Optik erzeugt werden, so daß eine Beschränkung der zu verarbeitenden Informationen bereits erfolgt mit der Folge, daß die nachfolgenden Verarbeitungseinheiten wesentlich schneller arbeiten können und somit in der Praxis eine Stück-für-Stück-Prüfung erfolgen kann.The Invention takes advantage of the fact that it is now Digital high-speed imagers are capable of that are to take 1,000 frames per second and corresponding image signals to create. Any read-out window can be programmed. The invention now provides that the readout window so is programmed that only output signals accordingly an annular band on the inner surface of the Cavity substantially transverse to the direction of the incremental feed the optics are generated, so that a limitation the information to be processed already occurs with the result that that the subsequent processing units essential work faster and thus in practice a piece-by-piece examination can be done.
Um diese Stück-für-Stück-Prüfung technisch zu ermöglichen, sind gemäß einer Weiterbildung der Erfindung Mittel vorgesehen, die den Bildinhalt der Zeilen des karthesischen Bildes analysieren und die Ausgangssignale nur bei Überschreiten eines einstellbaren Grenzwertes zu den Mitteln zur Erzeugung eines karthesischen Bildes durchlassen. In optischer Hinsicht werden somit nur die Oberflächenfehler dargestellt, wobei durch die Einstellung des Grenzwertes die Oberflächenfehler bestimmt werden können, die zur Darstellung gelangen sollen. Natürlich ist es dann auch ohne weiteres möglich, diese Fehlersignale auszuwerten und die fehlerhaften Werkstücke entsprechend auszuscheiden oder zu markieren.Around this piece-by-piece exam technically possible, are in accordance with a Further development of the invention means provided, the image content analyze the lines of the Cartesian image and the output signals only if an adjustable limit value is exceeded let through the means of producing a Cartesian image. In optical terms, therefore, only the surface defects represented by the setting of the limit, the surface error can be determined, which should arrive at the presentation. Of course, then it is easily possible, evaluate these error signals and the faulty workpieces accordingly cancel or mark.
Gemäß der Erfindung ist im Bereich der Optik eine Beleuchtungsquelle zur Rundumbeleuchtung fest angeordnet. Dadurch erübrigt sich die Beleuchtung über eine von der Optik entfernt angeordnete Lichtquelle, deren Licht beispielsweise durch einen Lichtleiter geleitet wird. Vorzugsweise ist die Beleuchtungsquelle eine LED-Lichtquelle. Zweckmäßigerweise ist sie auch eine Laserdiode.According to the Invention is fixed in the field of optics, a lighting source for all-round lighting arranged. As a result, the lighting is unnecessary over a remote from the optic light source whose light For example, passed through a light guide. Preferably the illumination source is an LED light source. Conveniently, she is also a laser diode.
Anhand der Zeichnung soll die Erfindung an einem Ausführungsbeispiel näher erläutert werden.Based the drawing, the invention of an embodiment be explained in more detail.
Die
Vorrichtung gemäß
Anhand
der Abwicklung
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 19806261 B4 [0002] - DE 19806261 B4 [0002]
Claims (6)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007031358.8A DE102007031358B4 (en) | 2007-07-05 | 2007-07-05 | Apparatus for imaging the inner surface of a cylindrical cavity |
EP08784598A EP2165186A1 (en) | 2007-07-05 | 2008-07-02 | Apparatus for imaging the inner surface of a cavity which is preferably cylindrical |
PCT/EP2008/005393 WO2009003692A1 (en) | 2007-07-05 | 2008-07-02 | Apparatus for imaging the inner surface of a cavity which is preferably cylindrical |
DE202008008725U DE202008008725U1 (en) | 2007-07-05 | 2008-07-02 | Device for imaging the inner surface of a preferably cylindrical cavity in a workpiece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007031358.8A DE102007031358B4 (en) | 2007-07-05 | 2007-07-05 | Apparatus for imaging the inner surface of a cylindrical cavity |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102007031358A1 true DE102007031358A1 (en) | 2009-03-26 |
DE102007031358B4 DE102007031358B4 (en) | 2023-03-16 |
Family
ID=39717529
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102007031358.8A Active DE102007031358B4 (en) | 2007-07-05 | 2007-07-05 | Apparatus for imaging the inner surface of a cylindrical cavity |
DE202008008725U Expired - Lifetime DE202008008725U1 (en) | 2007-07-05 | 2008-07-02 | Device for imaging the inner surface of a preferably cylindrical cavity in a workpiece |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE202008008725U Expired - Lifetime DE202008008725U1 (en) | 2007-07-05 | 2008-07-02 | Device for imaging the inner surface of a preferably cylindrical cavity in a workpiece |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2165186A1 (en) |
DE (2) | DE102007031358B4 (en) |
WO (1) | WO2009003692A1 (en) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202009006425U1 (en) | 2009-05-05 | 2009-07-23 | Hommel-Etamic Gmbh | Device for imaging the inner surface of a preferably cylindrical cavity in a workpiece |
EP2249147A2 (en) | 2009-05-04 | 2010-11-10 | Hommel-Etamic GMBH | Device for reproducing the interior surface of a cavity in a workpiece |
EP2589953A2 (en) | 2011-11-04 | 2013-05-08 | Hommel-Etamic GMBH | Device for reproducing the interior surface of a cavity in a workpiece |
US8508743B2 (en) | 2011-03-04 | 2013-08-13 | Hommel-Etamic Gmbh | Crankshaft testing method |
DE102014108431A1 (en) * | 2014-06-16 | 2015-12-17 | Bayerische Motoren Werke Aktiengesellschaft | Method and measuring device for checking a cylinder bore |
US9393663B2 (en) | 2010-08-23 | 2016-07-19 | Hommel-Etamic Gmbh | Measuring device |
DE102015209455A1 (en) * | 2015-05-22 | 2016-11-24 | Sac Sirius Advanced Cybernetics Gmbh | Apparatus and method for the optical detection of inner walls |
US9562756B2 (en) | 2012-09-20 | 2017-02-07 | Jenoptik Industrial Metrology Germany Gmbh | Measuring device with calibration |
DE102015010225A1 (en) | 2015-08-12 | 2017-02-16 | Jenoptik Industrial Metrology Germany Gmbh | Hole inspection apparatus |
DE102016113400A1 (en) | 2015-08-19 | 2017-02-23 | Jenoptik Industrial Metrology Germany Gmbh | Hole inspection apparatus |
DE102017111819A1 (en) | 2017-05-30 | 2018-12-06 | Jenoptik Industrial Metrology Germany Gmbh | Hole inspection apparatus |
DE102021105629A1 (en) | 2020-03-12 | 2021-09-16 | Jenoptik Industrial Metrology Germany Gmbh | Bore inspection device |
DE102019106851B4 (en) | 2019-03-18 | 2023-06-07 | Jenoptik Industrial Metrology Germany Gmbh | Calibration procedures and calibration aids |
DE102022102155A1 (en) | 2022-01-31 | 2023-08-03 | Jenoptik Industrial Metrology Germany Gmbh | calibration tool |
DE102022125115A1 (en) | 2022-09-29 | 2024-04-04 | Jenoptik Industrial Metrology Germany Gmbh | Optical measuring method |
DE102022131398A1 (en) | 2022-11-28 | 2024-05-29 | Jenoptik Industrial Metrology Germany Gmbh | Borehole inspection device |
DE102016113503B4 (en) | 2015-08-19 | 2024-06-13 | Jenoptik Industrial Metrology Germany Gmbh | Borehole inspection device and borehole inspection method |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011061887A1 (en) * | 2009-11-18 | 2011-05-26 | 本田技研工業株式会社 | Surface inspection device and surface inspection method |
DE102011079068A1 (en) * | 2011-07-13 | 2013-01-17 | Robert Bosch Gmbh | Method for focus adaptation with image capturing system i.e. high speed charge coupled device camera, of endoscope inspection device, involves determining focal region before or during recording about detection of component structure |
DE102011079067A1 (en) * | 2011-07-13 | 2013-01-17 | Robert Bosch Gmbh | Method for equalizing image of high-speed camera of endoscopic inspection device for e.g. inspecting hole-like openings in intestine, involves determining equalization of image in reference to scan-axis of testing body |
DE102014118753A1 (en) * | 2014-10-01 | 2016-04-07 | Jenoptik Industrial Metrology Germany Gmbh | Tester |
SE541623C2 (en) * | 2017-10-11 | 2019-11-12 | Chris Marine Ab | Liner imaging device and a method for establishing an image of an inner wall of a liner |
WO2023281359A1 (en) * | 2021-07-07 | 2023-01-12 | Coursebricks | System and method for automated inspection of components using image augmentation and computer vision models |
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US20040249247A1 (en) * | 2003-05-01 | 2004-12-09 | Iddan Gavriel J. | Endoscope with panoramic view |
US20060034514A1 (en) * | 2004-06-30 | 2006-02-16 | Eli Horn | Device, system, and method for reducing image data captured in-vivo |
DE19806261B4 (en) | 1997-02-14 | 2006-05-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for the controlled representation of cavity surfaces |
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AT408385B (en) | 1999-04-30 | 2001-11-26 | Festo Ges M B H | METHOD AND DEVICE FOR DETECTING AN IMAGE OF AN ESSENTIAL CYLINDRICAL SURFACE |
AU2001269717A1 (en) | 2000-05-30 | 2001-12-11 | Oyo Corp. U.S.A. | Apparatus and method for detecting pipeline defects |
-
2007
- 2007-07-05 DE DE102007031358.8A patent/DE102007031358B4/en active Active
-
2008
- 2008-07-02 WO PCT/EP2008/005393 patent/WO2009003692A1/en active Application Filing
- 2008-07-02 EP EP08784598A patent/EP2165186A1/en not_active Ceased
- 2008-07-02 DE DE202008008725U patent/DE202008008725U1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19806261B4 (en) | 1997-02-14 | 2006-05-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for the controlled representation of cavity surfaces |
US20040249247A1 (en) * | 2003-05-01 | 2004-12-09 | Iddan Gavriel J. | Endoscope with panoramic view |
US20060034514A1 (en) * | 2004-06-30 | 2006-02-16 | Eli Horn | Device, system, and method for reducing image data captured in-vivo |
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2249147A2 (en) | 2009-05-04 | 2010-11-10 | Hommel-Etamic GMBH | Device for reproducing the interior surface of a cavity in a workpiece |
DE102009019459A1 (en) | 2009-05-04 | 2010-12-02 | Hommel-Etamic Gmbh | Device for imaging the inner surface of a cavity in a workpiece |
DE202010017482U1 (en) | 2009-05-04 | 2011-11-28 | Hommel-Etamic Gmbh | Device for imaging the inner surface of a cavity in a workpiece |
US8334971B2 (en) | 2009-05-04 | 2012-12-18 | Hommel-Etamic Gmbh | Apparatus for imaging the inner surface of a cavity within a workpiece |
DE202009006425U1 (en) | 2009-05-05 | 2009-07-23 | Hommel-Etamic Gmbh | Device for imaging the inner surface of a preferably cylindrical cavity in a workpiece |
US9393663B2 (en) | 2010-08-23 | 2016-07-19 | Hommel-Etamic Gmbh | Measuring device |
US8508743B2 (en) | 2011-03-04 | 2013-08-13 | Hommel-Etamic Gmbh | Crankshaft testing method |
DE102011117618A1 (en) | 2011-11-04 | 2013-05-08 | Hommel-Etamic Gmbh | Device for imaging the inner surface of a cavity in a workpiece |
DE202011111089U1 (en) | 2011-11-04 | 2019-06-13 | Jenoptik Industrial Metrology Germany Gmbh | Device for imaging the inner surface of a cavity in a workpiece |
EP2589953A2 (en) | 2011-11-04 | 2013-05-08 | Hommel-Etamic GMBH | Device for reproducing the interior surface of a cavity in a workpiece |
DE102011117618B4 (en) | 2011-11-04 | 2019-07-18 | Jenoptik Industrial Metrology Germany Gmbh | Device for imaging the inner surface of a cavity in a workpiece |
US9562756B2 (en) | 2012-09-20 | 2017-02-07 | Jenoptik Industrial Metrology Germany Gmbh | Measuring device with calibration |
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DE102022102155A1 (en) | 2022-01-31 | 2023-08-03 | Jenoptik Industrial Metrology Germany Gmbh | calibration tool |
DE102022102155B4 (en) | 2022-01-31 | 2023-12-28 | Jenoptik Industrial Metrology Germany Gmbh | Calibration aid and method for producing the calibration aid |
DE102022125115A1 (en) | 2022-09-29 | 2024-04-04 | Jenoptik Industrial Metrology Germany Gmbh | Optical measuring method |
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Also Published As
Publication number | Publication date |
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DE202008008725U1 (en) | 2008-09-25 |
EP2165186A1 (en) | 2010-03-24 |
DE102007031358B4 (en) | 2023-03-16 |
WO2009003692A1 (en) | 2009-01-08 |
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