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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1 US10799998B2
Laser projector with flash alignment
Publication/Patent Number: US10799998B2 Publication Date: 2020-10-13 Application Number: 15/784,387 Filing Date: 2017-10-16 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: H04N13/254 Abstract: A method for aligning a laser projector for projecting a laser image onto a work surface is provided. The method includes providing a laser projector assembly with a laser source for projecting a laser image onto a work surface, a secondary light source for illuminating the work surface and a photogrammetry device for generating an image of the work surface. The method also includes affixing reflective targets onto the work surface and transmitting light from the secondary light source toward the work surface and reflecting light toward the photogrammetry device. The method further includes scanning the targets with a laser beam generated by the laser source for reflecting the laser beam toward a laser sensor and calculating a location for projecting the laser image onto the work surface from the reflected laser beam.
2 DE102019212006A1
BARCODE-SCANNING MIT GROSSER REICHWEITE DURCH UMWANDLUNG VON KOHÄRENTEM LICHT
Publication/Patent Number: DE102019212006A1 Publication Date: 2020-02-13 Application Number: 102019212006 Filing Date: 2019-08-09 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: G06K7/10 Abstract: Ein Verfahren zum optischen Scannen von Kennzeichnungen auf einem Objekt beinhaltet das Bereitstellen einer kohärenten Lichtquelle zum Beleuchten des Objekts mit kohärentem Licht. Das Objekt ist mit Kennzeichnungen gekennzeichnet, die ein erstes Merkmal und ein zweites Merkmal beinhalten, wobei das erste Merkmal die Reflexion von kohärentem Licht beinhaltet und das zweite Merkmal die Emission von nicht-kohärentem Licht bei Beleuchtung beinhaltet. Eine Abbildungsvorrichtung ist in der Lage, kohärentes Licht von nicht-kohärentem Licht zu unterscheiden. Die Kennzeichnungen werden mit kohärentem Licht beleuchtet, das von der kohärenten Lichtquelle erzeugt wird, wodurch die Kennzeichnungen kohärentes Licht reflektieren und nicht-kohärentes Licht emittieren. Das kohärente Licht wird von dem nicht-kohärenten Licht, das von den Kennzeichnungen ausgestrahlt wird, durch eine Steuerung unterschieden, um ein Muster eines des ersten Merkmals und des zweiten Merkmals zu identifizieren.
3 US2020159009A1
SYSTEM AND METHOD FOR LIMITING LASER EXPOSURE OF ARBITRARY LASER TEMPLATE PROJECTION
Publication/Patent Number: US2020159009A1 Publication Date: 2020-05-21 Application Number: 16/685,506 Filing Date: 2019-11-15 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: G02B26/10 Abstract: A laser projection system for projecting laser image onto a work surface providing optimized laser energy includes laser source and an electronic circuit for modulating an output power level. A galvanometer assembly includes a scanning mirror operated a mirror control circuit for redirecting the laser beam onto the work surface along a scanning path for generating the laser image. The galvanometer assembly is electronically connected to the electronic circuit for signaling an angular velocity of the scanning mirror to the electronic circuit. A controller includes a scanning path input module for generating a simulation of the angular velocity of the scanning mirror along the scanning path for estimating a concentration of laser energy along areas of the scanning path of the laser beam. The electronic circuit modulates energy concentration of the laser beam in response to the estimated concentration of laser energy and the angular velocity of the scanning mirror.
4 US2020050812A1
LONG RANGE BARCODE SCANNING THROUGH CONVERSION OF COHERENT LIGHT
Publication/Patent Number: US2020050812A1 Publication Date: 2020-02-13 Application Number: 16/536,771 Filing Date: 2019-08-09 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: G06K7/10 Abstract: A method of optically scanning indicia on an object includes providing a coherent light source for illuminating the object with coherent light. The object is marked with indicia including a first feature and a second feature, with the first feature including reflection of coherent light and said second feature including emittance of non-coherent light when illuminated. An imaging device is capable of distinguishing coherent light from non-coherent light. The indicia are illuminated with coherent light generated by the coherent light source causing the indicia to reflect coherent light and emit non-coherent light. The coherent light is distinguished from the non-coherent light emitted from the indicia by a controller for identifying a pattern of one of said first feature and said second feature.
5 US2020262051A1
METHOD OF DETECTING PROPER ORIENTATION OF MATERIAL APPLIQUE
Publication/Patent Number: US2020262051A1 Publication Date: 2020-08-20 Application Number: 16/791,248 Filing Date: 2020-02-14 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: B25H7/00 Abstract: A method of verifying placement of a piece on a work surface is disclosed. An imaging device and an illumination system are electronically interconnected with a computer. The illumination system projects indicia onto a work surface for indicating a location for placement of a piece on the work surface. An indicator is provided to the piece that includes light emission displaying fluorescent wavelengths when illuminated for distinguishing the piece form the work surface. The piece is placed upon the work surface at a location indicated by the laser indicia. The illumination system illuminates the piece presenting a visible contrast between the piece and the work surface enabling the imaging device to distinguish the piece from the work surface. The imaging device signals the controller a location of the piece for the controller to verify accurate placement of the piece.
6 US2020226770A1
PRECISION REGISTRATION OF IMAGES FOR ASSEMBLY VALIDATION
Publication/Patent Number: US2020226770A1 Publication Date: 2020-07-16 Application Number: 16/743,690 Filing Date: 2020-01-15 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: G06T7/33 Abstract: A method and apparatus for verifying location and orientation of a piece attached to a work surface for s manufacturing a workpiece is disclosed. A controller is programmed with design data for manufacturing steps. Multiple layers of ply are sequentially layered over a work surface. An imaging system capable of redirecting a field of view along the work surface is provided. A light projector is provided for projecting reference features onto the work surface. The light projector projects a reference feature to a known location relative to the piece applied to the work surface within the field of view of the imaging device. The imaging device generates an image of the reference features projected by the light projector and of the piece applied onto the work surface. The controller compares the location of the piece on the work surface with the design data validating accurate placement of the piece.
7 US202050812A1
LONG RANGE BARCODE SCANNING THROUGH CONVERSION OF COHERENT LIGHT
Publication/Patent Number: US202050812A1 Publication Date: 2020-02-13 Application Number: 20/191,653 Filing Date: 2019-08-09 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: G06K7/10 Abstract: A method of optically scanning indicia on an object includes providing a coherent light source for illuminating the object with coherent light. The object is marked with indicia including a first feature and a second feature, with the first feature including reflection of coherent light and said second feature including emittance of non-coherent light when illuminated. An imaging device is capable of distinguishing coherent light from non-coherent light. The indicia are illuminated with coherent light generated by the coherent light source causing the indicia to reflect coherent light and emit non-coherent light. The coherent light is distinguished from the non-coherent light emitted from the indicia by a controller for identifying a pattern of one of said first feature and said second feature.
8 US10410419B2
Laser projection system with video overlay
Publication/Patent Number: US10410419B2 Publication Date: 2019-09-10 Application Number: 15/058,867 Filing Date: 2016-03-02 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: G06T19/00 Abstract: A method of identifying accurate location of a component onto a workpiece is disclosed. A laser projector projects laser images relative to the workpiece. An imaging device generates a video image and a display device displays the video image from a view of the imaging device. The display device generates a video image from a view of the workpiece by the imaging device. The laser projector projects a plurality of laser images relative to the workpiece and the display device registers the view of the imaging device relative to the workpiece from the plurality of laser images. The display device generates a virtual image of the component upon the video image of workpiece. The virtual image of the component disposed in a geometrically accurate location upon the video image of the workpiece.
9 US10239178B2
Laser projector with dynamically adaptable focus
Publication/Patent Number: US10239178B2 Publication Date: 2019-03-26 Application Number: 15/784,720 Filing Date: 2017-10-16 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International, ULC   IPC: G02B27/09 Abstract: A laser projector assembly for projecting a template onto an object is provided. The laser projector assembly includes a frame, a laser source for generating a laser beam being affixed to said frame, a sensor assembly, a lens assembly and a galvanometer assembly. The sensor assembly is affixed to said frame for identifying surface locations of three dimensional objects. The lens assembly includes a tunable lens for changing a focus of the laser beam received from said laser source. The galvanometer assembly redirects the laser beam received from said lens assembly along a scanning path. The lens is disposed in a fixed location relative to said sensor assembly and is tunable in response to the surface locations of the three dimensional objects identified along the scanning path of the laser beam by said sensor assembly.
10 DE102019204843A1
Erkennen von Fluoreszenz von Fremdmaterial
Publication/Patent Number: DE102019204843A1 Publication Date: 2019-10-10 Application Number: 102019204843 Filing Date: 2019-04-04 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: G01N21/64 Abstract: Ein Verfahren von Erkennen einer Anwesenheit von Fremdmaterial in einer Lage ist offenbart. Eine Quelle von Fremdmaterial wird markiert mit einem fluoreszierenden Indikator. Die Quelle von Fremdmaterial wird getrennt von der Lage. Eine Beleuchtungsquelle wird bereitgestellt für Beleuchten der Lage bei einer anderen Wellenlänge als der fluoreszierende Indikator fluoresziert, so dass die Lage Licht bei einer anderen Wellenlänge reflektiert. Ein Sensor erkennt Beleuchtung von der Lage und fluoreszierendem Indikator enthalten in dem Fremdmaterial, welches auf der Lage verteilt ist. Unterschiede in Licht reflektiert von der Lage und Fluoreszenz von dem Indikator, der in dem Fremdmaterial verteilt ist, werden erkannt und dadurch die Existenz von Fremdmaterial in der Lage identifiziert.
11 US2019310204A1
DIRECTED ENERGY AND SENSING FOR DETECTION OF INCONSISTENCIES IN LAMINATES
Publication/Patent Number: US2019310204A1 Publication Date: 2019-10-10 Application Number: 16/379,105 Filing Date: 2019-04-09 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: G01N21/88 Abstract: A method for detecting inconsistencies in an assembly using an energy source and an imaging device is disclosed. An energy source directs energy through first scanning mirrors toward a surface of the laminated composite assembly raising an energy level of an inspection area. An imaging device directs a view through second scanning mirrors toward the inspection area and the imaging device detects a rate of change in energy at the surface of the laminated composite. Movement of the first scanning mirrors is synchronized with movement of the second scanning mirrors for directing a view of the imaging device to the inspection area after the energy level of the area of the surface has been raised. The imaging device detects dissipation of energy at the area of the surface being inspected and identifies inconsistencies associated defects in the assembly.
12 US10330467B2
Precision locating rotary stage
Publication/Patent Number: US10330467B2 Publication Date: 2019-06-25 Application Number: 15/609,778 Filing Date: 2017-05-31 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: F16M11/00 Abstract: A rotary stage assembly includes a platform and a rotary drive defining an axis of rotation. The platform is mounted on a spindle for receiving rotary movement from the rotary drive. A cylindrical wall is attached to the platform receiving rotary movement from the rotary drive and is coaxial with the axis of rotation defined by the rotary drive. The cylindrical wall defines an inner surface including reference patterns. An imaging assembly images the reference patterns on the inner surface of the cylindrical wall. The imaging assembly detects angular orientation and tilt of the platform from an axis of rotation of the platform from imaging the reference patterns on the inner surface of the cylindrical wall. A controller calculates angular orientation and tilt of the platform from the location of said reference patterns signaled from the imaging assembly.
13 DE102019204933A1
GERICHTETE ENERGIE UND ABTASTUNG ZUR ERKENNUNG VON INKONSISTENZEN IN LAMINATEN
Publication/Patent Number: DE102019204933A1 Publication Date: 2019-10-10 Application Number: 102019204933 Filing Date: 2019-04-05 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: G01M11/00 Abstract: Ein Verfahren für Erkennen von Inkonsistenzen in einer Anordnung unter Verwendung einer Energiequelle und eines Bildgebungsgeräts ist offenbart. Die Energiequelle leitet Energie durch erste Abtastungsspiegel gegen eine Oberfläche von der laminierten Verbundwerkstoffanordnung, was ein Energieniveau von einem Untersuchungsfläche erhöht. Ein Bildgebungsgerät leitet einen Blick durch zweite Abtastungsspiegel gegen die Untersuchungsfläche und das Bildgebungsgerät erkennt eine Wechselrate der Energie an der Oberfläche von dem laminierten Verbundwerkstoff. Bewegung der ersten Abtastungsspiegel ist synchronisiert mit Bewegung der zweiten Abtastungsspiegel für Leiten eines Abtastungsausschnitts von dem Bildgebungsgerät zu der Untersuchungsfläche nachdem das Energieniveau von der Fläche auf der Oberfläche erhöht wurde. Das Bildgebungsgerät erkennt Dissipation von Energie an der Fläche der Oberfläche, die untersucht wird, und identifiziert Inkonsistenzen verbunden mit Fehlern in der Anordnung.
14 US2019310196A1
DETECTION OF FLUORESCENCE OF FOREIGN MATERIALS
Publication/Patent Number: US2019310196A1 Publication Date: 2019-10-10 Application Number: 16/376,463 Filing Date: 2019-04-05 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: G01N21/64 Abstract: A method of detecting a presence of foreign material in a ply is disclosed. A source of foreign material is marked with a fluorescent indicator. The source of foreign material is separated from the ply. An illumination source is provided for illuminating the ply at a different wavelength than the fluorescent indicator fluoresces so that the ply reflects light at a different wavelength. A sensor detects illumination of the ply and fluorescent indicator included in the foreign material disposed upon the ply. Differences in light reflected from the ply and fluorescence of the indicator disposed in the foreign material are detected thereby identifying existence of the foreign material in the ply.
15 US2019385377A1
VIRTUAL SPATIALLY REGISTERED VIDEO OVERLAY DISPLAY
Publication/Patent Number: US2019385377A1 Publication Date: 2019-12-19 Application Number: 16/552,234 Filing Date: 2019-08-27 Inventor: Rueb, Kurt D.   Erbrecht, Jeffrey B.   Assignee: Virtek Vision International ULC   IPC: G06T19/00 Abstract: A method of identifying an accurate assembly of a component onto a workpiece to an operator includes the use of a laser projector and a headset or goggles. The laser projector projects laser images relative to the workpiece. The headset or goggles includes an imaging device and a display element. A location of the laser projector, the imaging device and the display element is registered in a common coordinate system relative to the workpiece. The imaging device generates an image of a view of the workpiece appearing in the display element when viewed by the operator though the display element. A computer generated image of the component is overlaid upon the image of the workpiece being disposed in a geometrically accurate location on the image of the workpiece. The image of the workpiece appearing in the display element is registered to the three dimensional coordinate system defined relative to the workpiece.
16 US2018104788A1
LASER PROJECTOR WITH FLASH ALIGNMENT
Publication/Patent Number: US2018104788A1 Publication Date: 2018-04-19 Application Number: 15/784,387 Filing Date: 2017-10-16 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: G01C11/04 Abstract: A method for aligning a laser projector for projecting a laser image onto a work surface is provided. The method includes providing a laser projector assembly with a laser source for projecting a laser image onto a work surface, a secondary light source for illuminating the work surface and a photogrammetry device for generating an image of the work surface. The method also includes affixing reflective targets onto the work surface and transmitting light from the secondary light source toward the work surface and reflecting light toward the photogrammetry device. The method further includes scanning the targets with a laser beam generated by the laser source for reflecting the laser beam toward a laser sensor and calculating a location for projecting the laser image onto the work surface from the reflected laser beam.
17 US10157458B2
Laser projection system and method
Publication/Patent Number: US10157458B2 Publication Date: 2018-12-18 Application Number: 15/432,331 Filing Date: 2017-02-14 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International, ULC   IPC: H04N9/47 Abstract: A laser projection system for projecting an image on a workpiece includes a photogrammetry assembly and a laser projector, each communicating with a computer. The photogrammetry assembly includes a first camera for scanning the workpiece, and the laser projector projects a laser image to arbitrary locations. Light is conveyed from the direction of the workpiece to the photogrammetry assembly. The photogrammetry assembly signals the coordinates light conveyed toward the photogrammetry assembly to the computer with the computer being programmable for determining a geometric location of the laser image. The computer establishes a geometric correlation between the photogrammetry assembly, the laser projector, and the workpiece for realigning the laser image to a corrected geometric location relative to the workpiece.
18 US2018104789A1
LASER PROJECTOR WITH FLASH ALIGNMENT
Publication/Patent Number: US2018104789A1 Publication Date: 2018-04-19 Application Number: 15/826,060 Filing Date: 2017-11-29 Inventor: Rueb, Kurt D.   Assignee: VIRTEK VISION INTERNATIONAL ULC   IPC: G01C11/04 Abstract: A method for aligning a laser projector for projecting a laser image onto a work surface is provided. The method includes providing a laser projector assembly with a laser source for projecting a laser image onto a work surface, a secondary light source for illuminating the work surface and a photogrammetry device for generating an image of the work surface. The method also includes affixing reflective targets onto the work surface and transmitting light from the secondary light source toward the work surface and reflecting light toward the photogrammetry device. The method further includes scanning the targets with a laser beam generated by the laser source for reflecting the laser beam toward a laser sensor and calculating a location for projecting the laser image onto the work surface from the reflected laser beam.
19 US10052734B2
Laser projector with flash alignment
Publication/Patent Number: US10052734B2 Publication Date: 2018-08-21 Application Number: 15/826,060 Filing Date: 2017-11-29 Inventor: Rueb, Kurt D.   Assignee: VIRTEK VISION INTERNATIONAL ULC   IPC: H04N13/204 Abstract: A method for aligning a laser projector for projecting a laser image onto a work surface is provided. The method includes providing a laser projector assembly with a laser source for projecting a laser image onto a work surface, a secondary light source for illuminating the work surface and a photogrammetry device for generating an image of the work surface. The method also includes affixing reflective targets onto the work surface and transmitting light from the secondary light source toward the work surface and reflecting light toward the photogrammetry device. The method further includes scanning the targets with a laser beam generated by the laser source for reflecting the laser beam toward a laser sensor and calculating a location for projecting the laser image onto the work surface from the reflected laser beam.
20 US2018109770A1
LASER PROJECTOR WITH DYNAMICALLY ADAPTABLE FOCUS
Publication/Patent Number: US2018109770A1 Publication Date: 2018-04-19 Application Number: 15/784,720 Filing Date: 2017-10-16 Inventor: Rueb, Kurt D.   Assignee: Virtek Vision International ULC   IPC: G06T7/521 Abstract: A laser projector assembly for projecting a template onto an object is provided. The laser projector assembly includes a frame, a laser source for generating a laser beam being affixed to said frame, a sensor assembly, a lens assembly and a galvanometer assembly. The sensor assembly is affixed to said frame for identifying surface locations of three dimensional objects. The lens assembly includes a tunable lens for changing a focus of the laser beam received from said laser source. The galvanometer assembly redirects the laser beam received from said lens assembly along a scanning path. The lens is disposed in a fixed location relative to said sensor assembly and is tunable in response to the surface locations of the three dimensional objects identified along the scanning path of the laser beam by said sensor assembly.