WO2024173973A1 - Abbildende optik - Google Patents
Abbildende optik Download PDFInfo
- Publication number
- WO2024173973A1 WO2024173973A1 PCT/AT2024/060064 AT2024060064W WO2024173973A1 WO 2024173973 A1 WO2024173973 A1 WO 2024173973A1 AT 2024060064 W AT2024060064 W AT 2024060064W WO 2024173973 A1 WO2024173973 A1 WO 2024173973A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- light
- imaging optics
- sensitive sensor
- optical element
- sensor
- 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
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
- G02B3/06—Simple or compound lenses with non-spherical faces with cylindrical or toric faces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/10—Mirrors with curved faces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
- G01B11/005—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates coordinate measuring machines
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/03—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring coordinates of points
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/08—Anamorphotic objectives
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
Definitions
- the present invention relates to an imaging optic for imaging at least one light source onto at least one light-sensitive sensor according to the preamble of claim 1, the use of such an imaging optic for detecting the position and/or movement of at least one object in space, and a method for detecting the position and/or movement of at least one object in space according to the preamble of claim 14.
- WO 2004/046770 A1 discloses a device for imaging light sources through at least one optical lens onto at least one light-sensitive sensor, wherein the optics used to generate the image have a beam-forming optical element in the form of at least one lens with a toroidal and an aspherical shape.
- the spherical aberration that usually occurs with optical lenses also called aperture error or spherical shape error, can be minimized.
- improved imaging quality can be achieved, particularly when the light is incident over a large angular range.
- the production of lenses with a toroidal and an aspherical shape is technically complex and entails high production costs.
- the object of the invention is to achieve a precise optical imaging of at least one light source onto at least one light-sensitive sensor using an imaging optics that is easy to manufacture, with which the precise detection of the position and/or movement of at least one object in space is also possible.
- the object is achieved by an imaging optics having the features of claim 1, by the use of such an imaging optics and by a method having the features of claim 14.
- the imaging optics are basically suitable for imaging at least one light source, which can emit, for example, monochromatic and/or polychromatic light in the visible and/or outside the visible range, in particular infrared, onto at least one correspondingly light-sensitive sensor.
- An object whose position and/or movement in space is to be recorded can itself emit light and thus form a light source.
- An object can also have a light source that can be arranged on the object. It is also conceivable that light reflected from an object is recorded by the imaging optics.
- a suitable reflector can be arranged on an object.
- the light-sensitive sensor can basically be designed in the form of a photoelectric sensor, which converts light incident on the light-sensitive sensor into an electrical signal.
- the imaging optics comprises at least one optical aperture, at least one beam-forming optical element and at least one light-sensitive sensor.
- an optical aperture can be used to mechanically limit a beam of rays in an optical imaging process.
- a beam-forming optical element can generally serve to shape a light beam, in particular by changing the direction of propagation of the light transmitted and/or reflected by the optical element.
- the at least one beam-forming optical element is designed as a plano-concave cylindrical mirror.
- a plano-concave cylindrical mirror can generally be understood as a concave mirror. In particular, it can be understood as a A plano-concave mirror can be understood as a mirror that is curved in the concave direction, i.e. inwards.
- a plano-concave cylindrical mirror can be flat along an axis and have a curvature along an axis that is essentially orthogonal to it. The curvature, and thus the surface area of the cylindrical mirror, can generally be elliptical, parabolic, acylindrical, in particular aspherically cylindrical, or in particular circular with constant curvature.
- the plano-concave cylindrical mirror can have a concave, curved profile when viewed in the circumferential direction.
- the plano-concave cylindrical mirror can have a flat profile.
- imaging errors occur due to different beam paths and optical path lengths caused by the thickness and shape of the lenses used in practice. Additional imaging errors can occur due to wavelength-dependent refractive indices. Additional optical elements may be necessary for beam guidance.
- a light beam can be formed essentially solely by reflection.
- a plano-concave cylindrical mirror can be used simultaneously for beam guidance, i.e. for shaping the beam path, and for beam focusing.
- the beam path of the imaging optics can generally run in an optically transparent medium.
- the medium can be, for example, a vacuum, generally gaseous, in particular air, glass or an optically transparent plastic.
- the beam path of the imaging optics can essentially be understood as the path followed by the incident light from the optical aperture to the light-sensitive sensor.
- a plano-concave cylindrical mirror of the imaging optics can be formed by a suitable mirror coating of a correspondingly plano-concave cylindrical outer surface of a body of the optical medium.
- the at least one beam-forming optical element can be arranged in the optical beam path between the at least one optical diaphragm and the at least one light-sensitive sensor.
- the optical diaphragm can mechanically limit the light flux incident on the plano-concave cylindrical mirror.
- the at least one optical aperture and/or the at least one light-sensitive sensor can be arranged outside an optical plane of the at least one beam-forming optical element.
- the optical plane of the plano-concave cylindrical mirror can be understood as a plane of symmetry running through the center of curvature of the cylindrical mirror. Light rays incident on the plano-concave cylindrical mirror in the optical plane are reflected in the optical plane. Light rays incident on the plano-concave cylindrical mirror outside the optical plane are reflected - and thus the beam path is shaped - and the beam is focused.
- the imaging optics can have a folded beam path between the at least one optical aperture and the at least one light-sensitive sensor.
- the beam path can have a course that deviates from a straight line, whereby the imaging optics can have a smaller space requirement.
- a plano-concave cylindrical mirror can be used to reflect incident light rays and image an optical aperture onto a light-sensitive sensor in a folded beam path that deviates from a straight line.
- the imaging optics can generally image a slit opening of the at least one optical aperture onto the at least one light-sensitive sensor.
- the at least one light-sensitive sensor can be an area sensor or a line sensor.
- An area sensor or a line sensor can be constructed from a multiplicity of individual sensors arranged in a surface or linear manner, also called pixels. Light incident on them can be detected by one or more individual sensors in accordance with an intensity distribution of the incident light. Depending on the individual sensors illuminated by the incident light, a position of the point of impact along the area sensor or line sensor can be determined.
- An embodiment with an analog light-sensitive sensor which can have an essentially isotropic sensor surface and can provide continuous position information on the incident light, is also conceivable.
- a longitudinal extension of the optical sensor can correspond to a dimension of a light-sensitive region of the sensor, for example the dimension of a row of pixels or a sensor area.
- the at least one optical aperture can be a slit aperture with a slit opening with a predetermined or predeterminable width along a transverse direction and a predetermined or predeterminable height along a longitudinal direction.
- a slit aperture can generally be characterized by its width. If a length of the slit is also predetermined or predeterminable, this can be characterized by specifying a height.
- a position and/or a movement of at least one object in space can be characterized by at least one angle to an optical aperture of the imaging optics.
- An angle, for example a polar angle and/or an azimuthal angle, to an optical aperture of the imaging optics can be measured or defined relative to a direction of the width and/or a direction of the height of the optical aperture.
- an angle can be measured relative to a normal to a plane of an optical aperture. If the orientation of an aperture to a given or predeterminable spatial direction is known, for example relative to a horizontal or a vertical, the position of an object in space can be characterized, for example by trigonometric relationships.
- the slit opening of the optical diaphragm runs parallel to a cylinder axis of the beam-forming optical element when viewed along the height.
- the cylinder axis runs through the center of curvature of the mirror.
- An optical diaphragm designed as a slit diaphragm can be aligned with a height of the optical diaphragm, i.e. viewed in the longitudinal direction of the slit, relative to the mirror in such a way that the cylinder axis runs parallel to the direction of the height of the slit.
- the at least one light-sensitive sensor can be designed as a line sensor or an area sensor with a longitudinal extension along a longitudinal direction, wherein the longitudinal direction advantageously runs transversely, in particular at right angles to a cylinder axis of the beam-forming optical element when viewed in projection onto the beam path between the mirror and the sensor.
- the longitudinal direction advantageously runs transversely, in particular at right angles to a cylinder axis of the beam-forming optical element when viewed in projection onto the beam path between the mirror and the sensor.
- light incident on the optical aperture at different polar angles i.e. at different angles around a longitudinal direction of the slit diaphragm, strikes different areas along a circumferential direction of the plano-concave cylindrical mirror at different angles and is reflected and focused according to the concave course in this direction.
- the at least one light-sensitive sensor can be designed as a line sensor or as an area sensor with a longitudinal extension along a longitudinal direction, wherein a polar angle about a longitudinal direction of the optical aperture can be determined from a position of the imaged light source along the longitudinal extension of the at least one light-sensitive sensor.
- the imaging optics can comprise an evaluation device by means of which a polar angle about a longitudinal direction of the optical aperture can be determined from the position of impact along the longitudinal extension of the at least one light-sensitive sensor.
- the evaluation device can have at least one computing unit that is in a data connection with at least one storage unit of the evaluation device or can be brought into such a connection. Data on distances, dimensions, geometries and focal lengths of the imaging optics can be stored in the storage unit of the evaluation device.
- An embodiment of the evaluation device with sensors for detecting the alignment of the imaging optics with respect to a predeterminable or predetermined spatial direction is also conceivable.
- a computer program product can comprise instructions which, when executed by the computing unit, cause the computing unit to execute a method for detecting the position and/or movement of at least one object in space from the storage unit.
- the computer program product can, for example, be stored in at least one memory unit of the evaluation device and executed by the at least one computing unit of the evaluation device.
- the positions of light sources and, if necessary, their movement in space can be determined by determining the respective angles and, if necessary, changing them.
- a distance from objects to the imaging optics can be determined stereoscopically.
- the at least one light-sensitive sensor can be arranged essentially at a distance from the at least one beam-forming optical element that is smaller than the radius of curvature, preferably smaller than three quarters of the radius of curvature, particularly preferably smaller than two thirds of the radius of curvature, in particular essentially half of the radius of curvature, of the at least one beam-forming optical element. This allows a reduced image of the optical aperture on the light-sensitive sensor, whereby a more sensitive detection and a higher spatial resolution can be achieved.
- the at least one light-sensitive sensor can be arranged essentially at a distance from the at least one beam-forming optical element that is greater than a quarter of the radius of curvature, preferably greater than a third of the radius of curvature, particularly preferably essentially half of the radius of curvature, of the at least one beam-forming optical element. This allows a reduced image of the optical aperture on the light-sensitive Sensor, which allows for more sensitive detection and higher spatial resolution.
- the at least one optical aperture can be arranged substantially at a distance from the at least one beam-forming optical element that is smaller than the radius of curvature, preferably smaller than three quarters of the radius of curvature, particularly preferably smaller than two thirds of the radius of curvature, in particular substantially half of the radius of curvature, of the at least one beam-forming optical element. This makes it possible to influence the angular range from which light from a light source can impinge on the beam-forming optical element.
- the at least one optical aperture can be arranged substantially at a distance from the at least one beam-forming optical element that is greater than a quarter of the radius of curvature, preferably greater than a third of the radius of curvature, particularly preferably substantially half the radius of curvature, of the at least one beam-forming optical element. This makes it possible to influence the angular range from which light from a light source can impinge on the beam-forming optical element.
- the distance between the at least one light-sensitive sensor and the at least one beam-shaping optical element and the distance between the at least one optical aperture and the at least one beam-shaping optical element can be adapted to one another.
- the distance between the at least one optical aperture and the at least one beam-shaping optical element can specify the angular range from which light emitted by a light source can strike the mirror and be reflected by it.
- the longitudinal extension of the sensor in other words the sensor length, can specify the angular range over which light reflected by the mirror can be detected by the sensor.
- the at least one optical aperture, the at least one beam-forming optical element and the at least one light-sensitive sensor can be arranged at corner points of a triangle. This results in an arrangement of the imaging optics that deviates from a straight line. The parts of the imaging optics that are partially arranged next to one another can have a reduced space requirement.
- the at least one optical aperture and the at least one light-sensitive sensor can be arranged spatially between the at least one light source and the at least one beam-forming optical element. As a result, the parts of the imaging optics can be arranged partially next to one another.
- An imaging optic as described above can be part of an arrangement comprising at least one imaging optic and at least one light source.
- the at least one light source can be arranged on at least one object whose position and/or movement in space is to be detected.
- Protection is also sought for the use of an imaging optic as described above for detecting the position and/or movement of at least one object in space, wherein at least one light source is arranged on the at least one object.
- Protection is also sought for a method for detecting the position and/or movement of at least one object in space.
- an imaging optic as described above can be used to carry out the method.
- light emitted by at least one object can initially pass through at least one optical aperture.
- the light can then impinge on at least one beam-forming optical element in the form of a plano-concave cylindrical mirror and be reflected and, if necessary, focused, whereby beam guidance and beam focusing can take place.
- the light can then impinge on at least one light-sensitive sensor and be detected by it.
- An object whose position and/or movement in space is to be recorded can itself emit light and thus form a light source.
- An object can also have a light source that can be arranged on the object. It is also conceivable that light reflected from an object is recorded by the imaging optics.
- a suitable reflector can be arranged on an object.
- the light emitted by at least one object can pass through the at least one optical aperture at a polar angle around a longitudinal direction of the optical aperture, wherein the light can then strike a cylinder jacket segment of the plano-concave cylindrical mirror and be reflected depending on the polar angle.
- the light can strike and be detected at a position along a longitudinal extension along a longitudinal direction of at least one light-sensitive sensor designed as a line sensor or area sensor.
- the polar angle can be determined by an evaluation device of an imaging optics from the position of impact along the longitudinal extension along a longitudinal direction of the at least one light-sensitive sensor.
- the emission of light from several objects or light sources to be detected can be clocked serially in order to enable the different objects and light sources to be differentiated.
- Different spectral distributions and sensors with different sensitivity are also conceivable.
- Figure 1 is a perspective view of an embodiment of an imaging optics and an object with a light source arranged thereon at a first position in space
- Figure 2 is a perspective view of an imaging optic and an object with a light source arranged thereon at a second position in space
- Figure 3 is a perspective view of an imaging optics with an evaluation device and two objects with a light source arranged on them at different positions in space
- Figure 4 is a side view of an imaging optics and two objects with a light source arranged thereon at different positions in space according to Figure 3,
- Figure 5 is a plan view of an imaging optic
- Figure 6 is a perspective view of an arrangement of three differently aligned imaging optics and the recorded polar angles of an object in space
- Figure 7 is a perspective view of an arrangement of three differently aligned imaging optics for detecting a position of an object in space.
- Figure 1 shows an imaging optic for imaging a light source 1 arranged on an object 5 onto a light-sensitive sensor 4, wherein the imaging optic has an optical aperture 2, a beam-forming optical element 3 in the form of a plano-concave cylindrical mirror and a light-sensitive sensor 4. As shown, the imaging optic images a slit opening 21 of the at least one optical aperture 2 onto the at least one light-sensitive sensor 4.
- the at least one beam-forming optical element 3 is arranged in the optical beam path between the optical aperture 2 and the at least one light-sensitive sensor 4.
- the optical aperture 2 and the at least one light-sensitive sensor 4 are arranged outside an optical plane of the at least one beam-forming optical element 3 (see also Figure 4).
- the imaging optics Due to the reflection at the beam-forming optical element 3 in the form of the plano-concave cylindrical mirror, the imaging optics has a folded beam path between the at least one optical aperture 2 and the at least one light-sensitive sensor 4.
- the optical aperture 2, the beam-forming optical element 3 and the light-sensitive sensor 4 are arranged on corner points of a triangle, wherein the optical aperture 2 and the at least one light-sensitive sensor 4 is spatially arranged between the at least one light source 1 and the at least one beam-forming optical element 3.
- the light-sensitive sensor 4 is designed as a line sensor with a longitudinal extension LI along a longitudinal direction L.
- the longitudinal direction L runs transversely, in particular at right angles when viewed in projection along the optical beam path, to a cylinder axis C of the beam-forming optical element 3.
- the slit opening 21 runs along the longitudinal direction H parallel to a cylinder axis C of the beam-forming optical element 3.
- the at least one light-sensitive sensor 4 is arranged essentially at a distance r from the at least one beam-forming optical element 3, which is smaller than the radius of curvature R of the at least one beam-forming optical element 3, wherein the radius of curvature R corresponds to the radial distance of the beam-forming optical element 3 from the cylinder axis C (see Figures 4 and 5).
- the distance r corresponds essentially to half the radius of curvature R.
- the at least one optical aperture 2 is arranged essentially at a distance d from the at least one beam-forming optical element 3, which is smaller than the radius of curvature R of the at least one beam-forming optical element 3, wherein the radius of curvature R corresponds to the radial distance of the beam-forming optical element 3 from the cylinder axis C (see Figures 4 and 5).
- the distance d corresponds essentially to half the radius of curvature R.
- Figure 3 shows a representation analogous to Figures 1 and 2, wherein the imaging optics are used to characterize the position of the objects 5, 6 in space.
- a polar angle around the longitudinal direction H of the optical aperture 2 can be determined with respect to a normal to the plane of the optical aperture 2.
- mirrors 3 and sensors 4 oriented accordingly in different spatial directions, as shown in Figures 6 and 7, the positions of objects 5, 6 and light sources 1, and possibly their movement, in space can be characterized by determining the respective angles in different spatial directions and, if necessary, changing them.
- a distance from objects 5, 6 and light sources 1 to the imaging optics can be determined stereoscopically.
- Figure 4 shows a side view of an imaging optics and two objects 5, 6 with light sources 1 arranged thereon at different positions in space, the arrangement of the imaging optics and the objects 5, 6 corresponding to that of Figure 3.
- the distances R, r, d and angles phil, phi2 are shown in projection.
- a polar angle phil, phi2 with respect to a normal to the plane of the optical aperture 2 of the light rays emanating from the objects 5, 6 with the light sources 1 can be determined from the positions xl, x2 of the impact along the longitudinal extension LI of the at least one light-sensitive sensor 4.
- Figure 5 shows a plan view of an imaging optic, the arrangement of the imaging optic and the objects 5, 6 of Figure 3 can correspond to .
- the distances R, r, d and angles phil , phi2 are shown in projection .
- light emitted by at least one object 5, 6 can pass through at least one optical aperture 2, be reflected by at least one beam-forming optical element 3 in the form of a plano-concave cylindrical mirror and impinge on at least one light-sensitive sensor 4 and be detected by the latter.
- the emission of light from several objects 5, 6 or light sources 1 can be serially clocked in order to enable a distinction between the objects 5, 6 and light sources 1.
- Different spectral distributions and differently sensitive sensors are also conceivable.
- the light emitted by at least one object 5, 6 can, as shown in the figures, pass through the at least one optical aperture 2 at different polar angles phil, phi2 around a longitudinal direction H of the optical aperture 2, impinge on a cylinder jacket segment of the plano-concave cylindrical mirror and be reflected as a function of the polar angle phil, phi2, impinge and be detected at a position xl, x2 along a longitudinal extension LI of at least one light-sensitive sensor 4 designed as a line sensor or area sensor as a function of the polar angle phil, phi2, and as a result the respective polar angle phil, phi2 can be determined from the position xl, x2 of the impingement along the longitudinal extension LI of the at least one light-sensitive sensor 4 by an evaluation device 7.
- Figure 6 shows a perspective view of an arrangement of three imaging optics aligned differently to one another and the polar angles phil of an object 5 with a light source 1 arranged on it in space, each of which is recorded by the imaging optics.
- the polar angles phil recorded in each case are measured here in analogy to the previously discussed figures relative to a normal to the plane of the respective optical aperture 2. If the dimensions and the spatial orientation of the arrangement of the imaging optics are known - or have been recorded accordingly - the position of an object 5 in space can be determined trigonometrically from the respective recorded polar angles phil through angles al, a2, a3 to predetermined or predeterminable spatial directions.
- a determination can be made by an evaluation device 7 as shown by way of example in Figure 3.
- Figure 7 shows a perspective view of an arrangement of three imaging optics aligned differently to one another used to record the position of an object 5 in space.
- the position of the object 5 in space can be characterized by the recorded angles al, a2, a3.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
- Stereoscopic And Panoramic Photography (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202480021074.5A CN120981741A (zh) | 2023-02-23 | 2024-02-21 | 成像光学器件 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50124/2023 | 2023-02-23 | ||
| ATA50124/2023A AT526145B1 (de) | 2023-02-23 | 2023-02-23 | Abbildende Optik |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US19/307,487 Continuation US20250389804A1 (en) | 2023-02-23 | 2025-08-22 | Imaging optical system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024173973A1 true WO2024173973A1 (de) | 2024-08-29 |
Family
ID=89123170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/AT2024/060064 Ceased WO2024173973A1 (de) | 2023-02-23 | 2024-02-21 | Abbildende optik |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN120981741A (de) |
| AT (1) | AT526145B1 (de) |
| WO (1) | WO2024173973A1 (de) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5198877A (en) * | 1990-10-15 | 1993-03-30 | Pixsys, Inc. | Method and apparatus for three-dimensional non-contact shape sensing |
| EP1100040A2 (de) * | 1999-11-11 | 2001-05-16 | Newcom Inc. | Optischer Digitalisierer mit gekrümmtem Spiegel |
| WO2004046770A1 (de) | 2002-11-20 | 2004-06-03 | Robert Kovacs | Einrichtung zur lokalisation von lichtquellen |
| US20080111985A1 (en) * | 2006-04-20 | 2008-05-15 | Faro Technologies, Inc. | Camera based six degree-of-freedom target measuring and target tracking device |
| JP4143759B2 (ja) * | 2002-10-17 | 2008-09-03 | 株式会社シロク | 光学式座標入力装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8520045B2 (en) * | 2011-08-24 | 2013-08-27 | Palo Alto Research Center Incorporated | Single-pass imaging system with spatial light modulator and catadioptric anamorphic optical system |
-
2023
- 2023-02-23 AT ATA50124/2023A patent/AT526145B1/de active
-
2024
- 2024-02-21 CN CN202480021074.5A patent/CN120981741A/zh active Pending
- 2024-02-21 WO PCT/AT2024/060064 patent/WO2024173973A1/de not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5198877A (en) * | 1990-10-15 | 1993-03-30 | Pixsys, Inc. | Method and apparatus for three-dimensional non-contact shape sensing |
| EP1100040A2 (de) * | 1999-11-11 | 2001-05-16 | Newcom Inc. | Optischer Digitalisierer mit gekrümmtem Spiegel |
| JP4143759B2 (ja) * | 2002-10-17 | 2008-09-03 | 株式会社シロク | 光学式座標入力装置 |
| WO2004046770A1 (de) | 2002-11-20 | 2004-06-03 | Robert Kovacs | Einrichtung zur lokalisation von lichtquellen |
| US20080111985A1 (en) * | 2006-04-20 | 2008-05-15 | Faro Technologies, Inc. | Camera based six degree-of-freedom target measuring and target tracking device |
Also Published As
| Publication number | Publication date |
|---|---|
| AT526145B1 (de) | 2023-12-15 |
| AT526145A4 (de) | 2023-12-15 |
| CN120981741A (zh) | 2025-11-18 |
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