Patent application number | Description | Published |
20100039656 | METHOD FOR DETERMINING AN INFLUENCING VARIABLE ACTING ON THE ECCENTRICITY IN A GONIOMETER - The invention relates to a method for determining at least one influencing variable acting on the eccentricity in a goniometer, using a detector arrangement consisting of four optical detector elements, and a rotational body comprising a plurality of pattern elements arranged around a pattern center, the rotational body being rotatably arranged about an axis. According to said method, at least some of the pattern elements are reproduced on the detector arrangement, the positions of the pattern elements reproduced on the detector arrangement are resolved, and the eccentricity of the pattern center in relation to a detector center of the detector arrangement is determined. A plurality of such eccentricity measurements for different rotational positions enables different influencing variables acting on the current eccentricity to be separated, especially by forming units. | 02-18-2010 |
20100274390 | METHOD AND SYSTEM FOR THE HIGH-PRECISION POSITIONING OF AT LEAST ONE OBJECT IN A FINAL LOCATION IN SPACE - The invention relates to a method and a system for the high-precision positioning of at least one object in a final location in space. An object ( | 10-28-2010 |
20100312524 | METHOD AND MEASURING DEVICE FOR GAUGING SURFACES - In a method for gauging surfaces ( | 12-09-2010 |
20110013199 | MEASURING HEAD SYSTEM FOR A COORDINATE MEASURING MACHINE AND METHOD FOR OPTICALLY MEASURING OF DISPLACEMENTS OF A PROBE ELEMENT - The invention relates to a measuring head system ( | 01-20-2011 |
20110046917 | MEASURING METHOD FOR AN ARTICULATED-ARM COORDINATE MEASURING MACHINE - The invention relates to a measuring method for determining a measurement position of a probe element | 02-24-2011 |
20110317880 | METHOD AND MEASUREMENT SYSTEM FOR CONTACTLESS COORDINATE MEASUREMENT ON AN OBJECT SURFACE - The invention relates to a method and a surveying system for noncontact coordinate measurement on the object surface of an object to be surveyed in an object coordinate system. With a 3D image recording unit, a first three-dimensional image of a first area section of the object surface is electronically recorded in a first position and first orientation, the first three-dimensional image being composed of a multiplicity of first pixels, with which in each case a piece of depth information is coordinated. The first position and first orientation of the 3D image recording unit in the object coordinate system are determined by a measuring apparatus coupled to the object coordinate system. First 3D object coordinates in the object coordinate system are coordinated with the first pixels from the knowledge of the first 3D image coordinates and of the first position and first orientation of the 3D image recording unit. | 12-29-2011 |
20120072021 | METHOD AND SYSTEM FOR HIGHLY PRECISELY POSITIONING AT LEAST ONE OBJECT IN AN END POSITION IN SPACE - An object is highly precisely moved by an industrial robot to an end position by the following steps, which are repeated until the end position is reached within a specified tolerance: Recording a three-dimensional image by means of a 3-D image recording device. Determining the present position of the object in the spatial coordinate system from the position of the 3-D image recording device the angular orientation of the 3-D image recording device detected by an angle measuring unit, the three-dimensional image, and the knowledge of features on the object. Calculating the position difference between the present position of the object and the end position. Calculating a new target position of the industrial robot while taking into consideration the compensation value from the present position of the industrial robot and a value linked to the position difference. Moving the industrial robot to the new target position. | 03-22-2012 |
20120084989 | COORDINATE MEASURING MACHINE (CMM) AND METHOD OF COMPENSATING ERRORS IN A CMM - A coordinate measuring machine for determination of at least one spatial coordinate of a measurement point on an object to be measured. The coordinate measuring machine comprises a stationary base, a probe head for approaching the measurement point and a frame structure for linking the probe head to the base. At least a first mechanical reference element extending along a first part of the frame structure is fastened fixedly to the frame structure in a substantially unloaded way, and at least one displacement sensor is assigned to the first reference element, wherein the first reference element and the displacement sensor are designed and arranged in such a way, that a distance from the first reference element to the frame structure in the region of the first part is measurable, the distance indicating a displacement and/or deformation of the frame structure in the region of the first part. | 04-12-2012 |
20120105866 | COORDINATE MEASURING MACHINE (CMM) AND METHOD OF COMPENSATING ERRORS IN A CMM - A coordinate measuring machine for determination of at least one spatial coordinate of a measurement point on an object to be measured. The coordinate measuring machine comprises a stationary base, a probe head for approaching the measurement point and a frame structure for linking the probe head to the base. A first reference path is provided by an optical reference beam, wherein the reference beam extends along a guide of a linear drive mechanism so that the reference path is parallel to a first direction. Furthermore, at least one displacement sensor is assigned to the reference beam, the reference beam and the displacement sensor being designed and arranged in such a way, that a displacement of the movable member of the linear drive mechanism relative to the first reference path is measurable being indicative of a translational and/or rotational displacement of the movable member from its ordinary bearing position. | 05-03-2012 |
20120222465 | CALIBRATION METHOD AND ANGLE MEASURING METHOD FOR AN ANGLE MEASURING DEVICE, AND ANGLE MEASURING DEVICE - The invention relates to a calibration method that can be carried out without a reference system for an angle measuring device having a code carrier carrying an absolute position code, and at least two reading heads comprising a fixed, known angle position at an angular distance, wherein the code carrier can be rotated relative to the reading heads, and different angle positions of the code carrier relative to the reading heads can thus be captured. Angle position values of the reading heads in an angular setting are determined and angular error is determined, which are repeated. And, a mathematical analysis method is performed, including determining the parameters of a mathematical function quantifying the angular error, and determining calibration parameters as parameters of the quantifying mathematical function or as a correction or code table derived from the parameters. | 09-06-2012 |
20120257017 | METHOD AND SURVEYING SYSTEM FOR NONCONTACT COORDINATE MEASUREMENT ON AN OBJECT SURFACE - Noncontact coordinate measurement. With a 3D image recording unit, a first three-dimensional image of a first area section of the object surface is electronically recorded in a first position and first orientation, the first three-dimensional image being composed of a multiplicity of first pixels, with which in each case a piece of depth information is coordinated. First 3D image coordinates in an image coordinate system are coordinated with the first pixels. The first position and first orientation of the 3D image recording unit in the object coordinate system are determined by a measuring apparatus coupled to the object coordinate system by means of an optical reference stereocamera measuring system. First 3D object coordinates in the object coordinate system are coordinated with the first pixels from the knowledge of the first 3D image coordinates and of the first position and first orientation of the 3D image recording unit. | 10-11-2012 |
20140007441 | COORDINATE MEASURING MACHINE - A coordinate measurement machine with a first frame element, a second frame element, a linear drive unit with a motor for moving the second frame element relative to the first frame element and a position measurement instrument, for determining a drive position of the second frame element relative to the first frame element. The drive unit has limited stiffness and dynamic deflections on movement. The machine comprises a mechanical coupler from the drive unit to the second frame element, which coupler comprises a first part fixed to the drive unit and a second part fixed to the second frame element, which parts are movable relative to each other by an active compensation actuator. The active compensation actuator is built in such a way to shift the second frame element against the drive unit to introduce a counter-displacement in such a way that the dynamic deflections are at least partially compensated. | 01-09-2014 |
20140076985 | SURFACE SPATTERING DEVICE - The invention concerns a handheld, dynamically movable surface spattering device ( | 03-20-2014 |
Patent application number | Description | Published |
20110112786 | CMM WITH IMPROVED SENSORS - A method of operating an articulated arm CMM is provided. One or more coordinates on an object can be measured with the articulated arm CMM. At least one of the encoders can then be at least partially powered-off. The encoder can then be powered on and one or more coordinates on the same object can be measured without recalibrating the encoder. | 05-12-2011 |
20120219699 | GRAPHICAL APPLICATION SYSTEM - A graphical application system, with a surface spattering device, with at least one nozzle for expelling a spattering material onto a target surface, a nozzle control mechanism controls expelling of the nozzle. A spatial referencing unit references the spattering device in space and a computation means automatically controls the nozzle according to information from the spatial referencing unit and according to predefined desired spattering data as a digital image or a CAD-model of a desired pattern to be spattered onto the target surface. A communication means for establishing a communication link from the spatial referencing unit to the computation means to supply the position and orientation to the computation means. The spatial referencing unit is located remote from the spattering device and comprises at least two optical 2D cameras arranged with a stereobasis, for determining the position and orientation of images taken by the cameras. | 08-30-2012 |
20130100282 | OPTICAL MEASUREMENT METHOD AND MEASUREMENT SYSTEM FOR DETERMINING 3D COORDINATES ON A MEASUREMENT OBJECT SURFACE - A measurement object surface is illuminated with a pattern sequence of various patterns using a projector, which is recorded with a camera system, and the 3D coordinates for the measurement points are determined by evaluation of the image sequence. While the image sequence is being recorded translational and/or rotational accelerations of the projector, the camera system and/or the measurement object are measured at least at a measurement rate such that in each case a plurality of values for the accelerations are acquired. It is thus possible, on the basis of the measured accelerations, to take into account algorithmically, when determining the 3D coordinates, movements of the projector, the camera system and/or the measurement object, which movements occur during the illumination times of the respective individual images of the image sequence and provoke unsteadiness and/or motion blur in the respective individual images of the image sequence. | 04-25-2013 |
20130132026 | MEASUREMENT METHOD FOR A SURFACE-MEASURING MEASURING MACHINE - Measurement method where a code projection which is dependent on a three-dimensional position of a code carrier relative to a sensor arrangement is generated on a sensor arrangement, and at least part of the code projection is captured. An angular position of the code carrier with reference to the defined axis of rotation is ascertained and a current measurement position of the measurement component relative to a base is determined, wherein, a position value for at least one further degree of freedom of the code carrier relative to the sensor arrangement is ascertained on the basis of the code projection and is taken into account to determine the current measurement position, and a relative position of the connecting element with respect to the holder and/or the deformation thereof is determined from the position value in the form of a change in shape or size. | 05-23-2013 |
20140032021 | SYSTEM AND METHOD FOR CONTROLLING AN UNMANNED AIR VEHICLE - A geodetic measuring system having a geodetic measuring unit having a beam source for emitting a substantially collimated optical beam. The measuring system also has an automotive, unmanned, controllable air vehicle having an optical module. An evaluation unit is also provided, wherein the evaluation unit is configured in such a manner that an actual state of the air vehicle, as determined by a position, an orientation and/or a change in position, can be determined in a coordinate system from interaction between the optical beam and the optical module. The measuring system has a control unit for controlling the air vehicle, wherein the control unit is configured in such a manner that control data can be produced using an algorithm on the basis of the actual state, which can be continuously determined in particular, and a defined desired state, and the air vehicle can be automatically changed to the desired state. | 01-30-2014 |
20140046589 | MEASURING SYSTEM FOR DETERMINING 3D COORDINATES OF AN OBJECT SURFACE - A measuring system for determining 3D coordinates of measurement points on an object surface which has a scanning apparatus for measuring the measurement points on the object surface and for determining inner measurement point coordinates in an inner scanning coordinate system. Furthermore, a referencing arrangement for producing referencing information for referencing the inner measurement point coordinates in the outer object coordinate system and an evaluation unit for determining the 3D coordinates of the measurement points in the outer object coordinate system on the basis of the inner measurement point coordinates and the referencing information are provided such that the inner measurement point coordinates are in the form of 3D coordinates in the outer object coordinate system. The scanning apparatus is in this case carried in an unmanned, controllable, automotive air vehicle. | 02-13-2014 |
20140063204 | OPTICAL MEASUREMENT METHOD AND MEASUREMENT SYSTEM FOR DETERMINING 3D COORDINATES ON A MEASUREMENT OBJECT SURFACE - An optical measurement method for determining 3D coordinates of a plurality of measurement points on a measurement object surface. The measurement object surface is illuminated with a pattern sequence of different patterns by a projector, an image sequence of the measurement object surface illuminated with the pattern sequence is recorded with a camera system, and the 3D coordinates of the measurement points are determined by evaluating the image sequence, in particular wherein a succession of brightness values for identical measurement points on the measurement object surface is ascertained in respective images of the recorded image sequence. Translational and/or rotational accelerations of the projector, of the camera system and/or of the measurement object are measured here and, in dependence on the measured accelerations, the illumination of the measurement object surface and/or the recording of the image sequence is/are reactively adapted, in particular temporally substantially directly and live during the measurement process. | 03-06-2014 |
20140125990 | OPTICAL MEASURING SYSTEM WITH FILTER UNIT FOR EXTRACTING ELECTROMAGNETIC RADIATION - An optical measuring system determines coordinates of points for distance measurement. The measuring system includes a radiation source for emitting electromagnetic radiation and a receiving unit having a filter unit for extracting electromagnetic radiation in a defined wavelength range and having, a detector, such that the radiation extracted by the filter unit is detectable by the detector. The filter unit includes at least two mirror elements which are at least partly reflective and constructed in a multilayered fashion. The mirror elements are substantially parallel to one another. Two adjacent mirror elements in each case enclose a cavity and are arranged at a specific distance from one another. An optical thickness is defined by a refractive index of the cavity and by the distance between the mirror elements. Optical thickness varying means operate to varying the optical thickness, such that an extractable wavelength range of the filter unit is varied. | 05-08-2014 |
20140211191 | OPTICAL INDIVIDUAL-POINT MEASUREMENT - A distance measuring method for a point on an object is performed by emitting measurement radiation. When an optical measurement axis of the measurement radiation is aligned with the point to be measured, an optical measurement point region is defined by the beam cross section of the radiation on the object. The beam cross section may be, for example, a maximum of eight times the standard deviation of a Gaussian steel profile of the measurement radiation. The distance to the point on the object is determined by receiving measurement radiation reflected from the object. The method includes altering, at least once, a measurement direction as emission direction of the measurement radiation with respective emission and reception of the measurement radiation. Altering the measurement direction is carried out such that respective area centroids defined by the beam cross section on the object lie within the measurement point region. | 07-31-2014 |
20140242285 | GRAPHICAL APPLICATION SYSTEM - The invention relates to a graphical application system to apply a desired pattern by multiple tiles onto a target surface. The system comprises a graphical application device comprising a base structure with a trackable optical feature, at least one nozzle for expelling paint, a driving unit for positioning the nozzle and a local camera for a local referencing of the nozzle. A controller controls the driving unit and the expelling of the nozzle to achieve an application of the desired pattern on the target surface. The system also comprises an external referencing device located remote from the graphical application device, for a global referencing of the application device according to the trackable optical feature. The desired pattern is applied with a primary alignment of the application range by the global referencing and with a fine-alignment of the actual tile to a previously applied tile according to the local referencing. | 08-28-2014 |
20140286536 | POSITION AND ORIENTATION DETERMINATION IN 6-DOF - A method for a six degree of freedom position and orientation determination of a known shape in a scenery is disclosed. The method includes taking a range image with a range imaging camera and a visual picture with a digital camera. The range imaging camera includes a sensor array with a first number of pixels. Determining a 3D cluster of points from range information collected from the sensor array to a point of the scenery. The digital camera comprises an image sensor having a second number of pixels, resulting in a 2D picture. A stored 3D digital representation of the known shape may be fitted in a virtual space to match the reproduction of the known object in the 2D picture and the 3D cluster of points and determining the six degree of freedom position and orientation of the known shape according to the virtual match. | 09-25-2014 |
20140320603 | METHOD AND DEVICE FOR DETERMINING 3D COORDINATES OF AN OBJECT - The invention relates to a method for determining 3D coordinates of an object ( | 10-30-2014 |
20150022640 | METHOD AND SYSTEM FOR VOLUME DETERMINATION USING A STRUCTURE FROM MOTION ALGORITHM - A volume determining method for an object on a construction site is disclosed. The method may include moving a mobile camera along a path around the object while orienting the camera repeatedly onto the object. The method may include capturing a series of images of the object from different points on the path and with different orientations with the camera, the series being represented by an image data set; performing a structure from motion evaluation with a defined algorithm using the series of images and generating a spatial representation; scaling the spatial representation with help of given information about a known absolute reference regarding scale; defining a ground surface for the object and applying it onto the spatial representation; and calculating and outputting the absolute volume of the object based on the scaled spatial representation and the defined ground surface. | 01-22-2015 |
20150042977 | MEASUREMENT SYSTEM WITH A MEASURING DEVICE AND A SCANNING MODULE - The present invention relates to a measurement system | 02-12-2015 |
20150049186 | COORDINATE MEASURING MACHINE HAVING A CAMERA - A coordinate measuring machine ( | 02-19-2015 |
20150085110 | SURVEYING APPARATUS HAVING A RANGE CAMERA - Embodiments described herein include a surveying apparatus for surveying a measurement scenery. The surveying apparatus may include a base defining a vertical axis; a support tiltable around the vertical axis; a telescope unit tiltable around the vertical axis and around a horizontal axis that is orthogonal to the vertical axis and comprises means for distance measurement; motor means for rotational driving of the support and the telescope unit; and angle determination means for detecting an orientation of the telescope unit with respect to the base. In some embodiments, the telescope unit comprises a first camera capable to take a visible image of the measurement scenery and/or means for capturing coordinates of 3D-points of the measurement scenery. In some embodiments, the surveying apparatus comprises a display capable to display at least a portion of the visible image taken by the first camera and/or at least a portion of the 3D-points. | 03-26-2015 |