Abstract: A metrology system comprising a target object, a metrology instrument and a control unit configured for controlling an alignment of the targeting unit and for deriving an orientation of the target object. The metrology instrument comprises a zoom objective, an illumination unit and a time-of-flight sensor comprising an array of pixels and capable of providing range data for each pixel of the array as point cloud data, the time-of-flight sensor provides the distance measuring device. The control unit comprises an object determination functionality which provides receiving the point cloud data provided by the time-of-flight sensor, deriving a digital representation of the target object by processing the point cloud data, comparing the digital representation of the target object with a reference pattern of the target object, and determining the orientation of the target object based on the comparison of the digital representation of the target object with the reference pattern.

Abstract: The invention relates to a laser tracker-based surveying system having a measurement aid which comprises an inertial measurement unit (IMU). The surveying system is designed to determine coordinates of points of a surface which are sampled by means of the measurement aid.

Abstract: An aerial camera instrument configured to acquire high-resolution aerial images from a target area. The aerial camera instrument comprises (i) an imaging sensor having an electronic global shutter functionality, (ii) an external shutter component, and (iii) a coupling functionality configured to synchronize the electronic global shutter functionality and the external shutter component.

Abstract: A coordinate measuring machine for measuring a number of measuring points on a surface, the coordinate measuring machine comprising a base, a probe head with an optical probe, a machine structure for linking the probe head to the base, at least one drive mechanism for providing movability of the probe head relative to the base, at least one encoding unit, an optical overview sensor unit arranged at the machine structure and a controlling and processing unit adapted at least for controlling the drive mechanism. The optical probe comprises an optical detection unit, in particular a sensor, a variable focal length lens capable of modifying its focal length and an actuating unit configured and arranged relative to the variable focal length lens so that the actuating unit provides setting and varying the focal length as a function of a controlling signal.

Abstract: A triangulation device for measuring a measurement object by a projection of a structured light pattern onto the measurement object. The triangulation device includes a projector projecting the structured light pattern decomposable into different spatial frequencies onto the measurement object. The projector comprises a matrix of pixel elements and a lens system which determines a wavefront with a wavefront aberration from a reference wavefront, and a camera including a lens system and an imaging sensor, the camera being configured to receive the structured light pattern projected by the projector onto the measurement object, and a processing unit configured to provide distance information by evaluating imaging information provided by the camera. The wavefront aberration comprises a primary spherical aberration coefficient Z9, wherein the primary spherical aberration coefficient Z9 is larger than 0.5?, wherein ? is a wavelength of the projected structured light pattern.

Abstract: A geodetic surveying device, wherein the geodetic surveying device is configured for surveying retroreflective cooperative targets, the geodetic surveying device comprises a base, a telescope and a support. The geodetic surveying device further comprises a target recognition emitting unit, called ATR-illuminator, an target recognition sensor, called ATR-sensor, having a position-sensitive area for receiving radiation of the radiation beam reflected at the retroreflective cooperative targets for generating ATR image data, wherein the received radiation appear as spots in the ATR image data, an angle encoder and a processing unit. The geodetic surveying device generates a series of ATR image data with continuously changing orientation of the ATR-illuminator and/or the ATR-sensor.

Abstract: A measuring system for measuring an object, the measuring system comprising a measuring device and a controlling and processing unit. The measuring device comprises at least one camera, a first optical sensor and a second optical sensor, the first optical sensor provides a first field of view and is configured for collecting first measuring data representing a first part of the object, the second optical sensor provides a second field of view and is configured for collecting second measuring data representing a second part of the object. The second optical sensor comprises at least three light sources configured for illuminating the object from at least three different poses. The controlling and processing unit comprises a second capturing mode.

Abstract: A sensor device comprising a retro-reflecting element having a front boundary surface configured for entry of measuring light into the retro-reflecting element and a back boundary surface configured for reflecting a first part of the measuring light as reflected measuring light and configured for transmitting a second part of the measuring light as transmitted measuring light, wherein the front boundary surface and the back boundary surface are arranged on opposite sides of the retro-reflecting element, and a sensor unit configured and arranged so that the transmitted measuring light is detectable by the sensor unit. The front boundary surface and the back boundary surface are of curved shape.

Abstract: An optical detection unit comprising a retro-reflecting element which provides a reflection surface configured for retro-reflecting a first part of measuring light as reflected measuring light for providing determination of a position of the optical detection unit and a passage surface configured for transmitting a second part of the measuring light as transmitted measuring light, further comprising a sensor arrangement with a sensor configured and arranged behind of the retro-reflecting element so that the transmitted measuring light is detectable by the sensor. The optical detection unit comprises a referencing assembly with at least one illumination unit configured to emit reference illumination light. The at least one illumination unit is arranged with fixed positional relationship to the retro-reflecting element and/or the sensor arrangement and the referencing assembly is configured and arranged to direct the reference illumination light onto the sensor.

Abstract: A measuring device for acquiring a three-dimensional measuring point related to a target in a scene, the measuring device comprises a base unit, a support unit mounted on the base unit, a distance measuring unit comprising an emitting unit configured for emitting measuring radiation and a receiving unit configured for detecting at least a part of the measuring radiation reflected by the target and a directing unit mounted in the support unit configured for directing the measuring radiation towards the scene. The measuring device comprises a capturing unit, wherein the capturing unit is configured for capturing at least a scene image of at least part of the scene, the scene image is generated by the detection of visual-spectrum light, and a controlling and processing unit, wherein the controlling and processing unit is configured for aligning the directing unit.

Abstract: A measuring device for acquiring a three-dimensional measuring point related to a target in a scene, the measuring device comprises a distance measuring unit comprising an emitting unit configured for emitting collimated measuring radiation (T) and a receiving unit configured for detecting at least a part of the collimated measuring radiation reflected (R) by the target, a directing unit rotatable around an elevation axis and configured for directing the measuring radiation towards the scene, a capturing unit, wherein the capturing unit comprises an image sensor and is configured to capture at least a scene image of at least part of the scene, and a controlling and processing unit configured at least for aligning the directing unit.

Abstract: A metrology system comprising a target object, a metrology instrument and a control unit configured for controlling an alignment of the targeting unit and for deriving an orientation of the target object. The metrology instrument comprises a zoom objective, an illumination unit and a time-of-flight sensor comprising an array of pixels and capable of providing range data for each pixel of the array as point cloud data, the time-of-flight sensor provides the distance measuring device. The control unit comprises an object determination functionality which provides receiving the point cloud data provided by the time-of-flight sensor, deriving a digital representation of the target object by processing the point cloud data, comparing the digital representation of the target object with a reference pattern of the target object, and determining the orientation of the target object based on the comparison of the digital representation of the target object with the reference pattern.

Abstract: Optical assembly comprising a variable focal length lens assembly comprising a variable focal length lens and an actuating unit, wherein an energy absorption rate of energy absorbed by the variable focal length lens assembly depends on the applied controlling signal. The optical assembly comprises a controlling unit configured to control focal length settings of the variable focal length lens by providing respective controlling signals and to apply a default controlling signal for providing a default focal length and default energy absorption rate. The controlling unit provides a thermal stabilisation functionality, the thermal stabilisation functionality is defined by applying a varying controlling signal related to a varying focal length and applying a compensation controlling signal related to a compensating focal length.

Abstract: A reflector arrangement having at least one retroreflector and at least one sensor arrangement arranged downstream of the retroreflector in relation to a beam incidence direction, having a sensor. The sensor arrangement comprises a code element—having a code pattern, and the retroreflector, the code element—and the sensor are arranged in such a way that the code element—is arranged between the retroreflector and the sensor and an angle-dependent position with respect to the optical axis of a projection of the code pattern onto the detection surface can be determined by means of the sensor.

Abstract: A reflector arrangement for determining the position or marking of target points, having at least one retroreflector, and a beam detection unit, by means of which the orientation measurement radiation passing through the retroreflector is acquirable. The beam detection unit comprises a first sensor for generating a signal in dependence on an acquisition of orientation measurement radiation and a first beam guiding unit. The first sensor and the first beam guiding unit are arranged such that a detection field of view for acquiring the orientation measurement radiation is defined, an alignment of the detection field of view around the yaw axis is variable and orientation measurement radiation passing through the retroreflector is acquirable in dependence on the alignment of the detection field of view with the first sensor.

Abstract: The invention relates to a laser tracker-based surveying system having a measurement aid which comprises an inertial measurement unit (IMU). The surveying system is designed to determine coordinates of points of a surface which are sampled by means of the measurement aid.

Abstract: A system for monitored additive manufacturing of an object, comprising a manufacturing unit], designed for additive manufacturing of the object based on metal-containing manufacturing material in a manufacturing volume, wherein the object is built up by repeated layer-by-layer provision of the manufacturing material in defined quantity and accurately-positioned forming of the provided manufacturing material. The system moreover comprises an optical checking unit having at least one projector and two cameras and a control and processing unit. The manufacturing volume comprises an optical transmission region, the projector and cameras—are arranged outside the manufacturing volume in a fixed position relationship and are aligned in such a way that respective optical axes extend through a respective transmission region, by means of the projector, a projection can be generated on a manufacturing area and at least a common part of the manufacturing area on which the projection can be overlaid can be captured.

Abstract: A reflector arrangement for position determination and/or marking of target points, comprising a retroreflector and a first sensor arrangement, by means of which the orientation measurement radiation passing through the retroreflector is acquirable. The first sensor arrangement comprises a first optical assembly providing a fisheye lens, and a first sensor, wherein the retroreflector and the first sensor arrangement are arranged in such a way that orientation measurement radiation passing through the retroreflector is projectable onto the detection surface of the first sensor by means of the first optical assembly.

Abstract: A triangulation scanner having a projection unit, at least one first image acquisition unit and one second image acquisition unit and a control and processing unit for deriving distance measured values from image information. The scanner comprises a third image acquisition unit and a fourth image acquisition unit and an acquisition zoom functionality for activating or reading out the sensors such that a respective first acquisition state and a respective second acquisition state can be provided for each sensor. The acquisition of an image corresponding to a field of view defined by the respective acquisition zoom level is provided by each such acquisition zoom level thus definable, wherein the fields of view are each different.

Abstract: A measuring system for acquiring three-dimensional measuring points, comprising a base unit, a support unit mounted on the base unit and rotatable relative to the base unit around an azimuth axis, an emitting unit, a receiving unit, a directing unit mounted in the support unit, and configured for directing a transmission beam from the emitting unit towards a scene, directing a reception beam from the scene to the receiving unit, a first actuator configured for rotating the support unit relative to the base unit around the azimuth axis, a second actuator configured for rotating the directing unit relative to the support unit around the elevation axis, a first angle encoder configured for measuring a rotatory position of the support unit, a second angle encoder configured for measuring a rotatory position of the directing unit, a camera comprising an image sensor.