Abstract: Some embodiments of the invention may include an electro-optical distance measurement method having at least one emission of a light signal, in particular of laser light, from at least one light source onto a target object, detection of a fraction of the light signal returning from the target object using a detector and a signal processing electronics system connected downstream from the detector, and/or determination of a distance to the target object. In some embodiments, the emitted light signal comprises in this case a sequence of sequential elements of, in each case at least one light pulse and one light signal train. In some embodiments, the light pulses each have a higher intensity amplitude than the light signal trains. Some embodiments may also an electro-optical distance meter having the features analogous to The distance measurement method according to the invention.

Abstract: A laser tracker for industrial coordinative position determination of a target, wherein the laser tracker at least comprises a control and evaluation unit, a base and a beam directing unit, means for detecting a rotation angle of the beam directing unit relative to the base, and a first optical distance measuring unit having at least a first beam source and a first detection unit. The distance measuring unit and the control and evaluation unit are designed for implementing a first and a second measurement functionality, where at least one element of the distance measuring unit is designed for dual use in the first and in the second measurement functionality. The first measurement functionality is for coordinative position determination of a retroreflective target, and the second measurement functionality is for position determination of a diffusely scattering target.

Abstract: A portable protective case for the safe transport and storage of measuring devices and other electrical equipment. The protective case is designed to protect a valuable and sensitive measuring device located inside it against theft, unauthorized use and/or potentially harmful environmental influences. The case comprises communication means for sending and receiving data via a wireless network, as well as for receiving localization data, which enable the communication unit to provide at least a rough location of the case.

Abstract: A total station configured for receiving from a camera a first image captured in a first face and a second image captured in a second face, wherein in the second face the camera is rotated around the optical axis by between 170° and 190° compared to the first face, receiving at least one of an azimuthal angle pair and an elevative angle pair, said azimuthal angle pair comprising a first azimuthal angle and a second azimuthal angle, and said elevative angle pair comprising a first elevative angle a second elevative angle, matching the first image and the second image with a relative rotation and a relative translation, determining the relative rotation of the matched first image and second image, determining the relative translation of the matched first image and second image, based on the respective angle pair, the relative rotation, the relative translation, and determining an instrument error.

Abstract: A measuring apparatus comprising a tunable laser diode for generating a mono mode measurement radiation, said laser diode being designed as a laser beam source in such a way that an emission wavelength of the measurement radiation is variable within a wavelength range by means of the variation of a tuning parameter, comprising an absorption medium defining absorption lines within the wavelength range, comprising a memory having a line atlas for the absorption medium, comprising a detector for determining an absorptivity and comprising a control and evaluation unit for regulating the emission wavelength by means of the at least one tuning parameter in a manner dependent on the absorptivity determined in such a way that the emission wavelength remains stable.

Abstract: An Augmented Reality (AR)-based inspection system comprising a coordinate measuring instrument having a first camera unit, a first computer unit, and a first communication unit, and an AR-device having a second camera unit, a second computer unit, and a second communication unit, wherein the first and the second communication units are connectable, each of the coordinate measuring instrument and the AR-device is configured for establishing a referenced status relative to a setting, at least one of the first and the second computer unit is configured for detecting two-dimensional or three-dimensional structured shapes in images captured by at least one of the first and second camera unit. The AR-device is configured for providing a real view of the setting, providing overlays onto the real view according to corresponding AR-data, wherein said AR-data are at least in part spatially associated with the detected structured shapes.

Abstract: An airborne laser scanner configured to be arranged on an aircraft for surveying a target along a flight path. The airborne laser scanner comprises an emitter configured for emitting a plurality of consecutive laser pulses towards the ground surface, at least one optical element configured for deflecting the laser pulses along pulse paths towards the target, a motor configured for altering the pulse paths by moving the optical element, a receiver configured for receiving the laser pulses backscattered from the target, and a computer configured for controlling the emitter, the motor, and the receiver, for determining directions of the pulse paths, and for triggering the emitter to emit the laser pulses with a varying pulse spacing based on the directional component of the pulse paths in a horizontal direction perpendicular to a direction of the flight path.

Abstract: Measuring device with a control and evaluation unit, a radiation source for emitting an illumination light ray and a fine targeting and target tracking functionality, a variation of the emission of the illumination light ray being effected automatically controlled by the control and evaluation unit, in the course of the fine targeting and target tracking functionality, such that a known sequence of illumination ray flashes is generated.

Abstract: A measuring apparatus comprising a tunable laser diode for generating a mono mode measurement radiation, said laser diode being designed as a laser beam source in such a way that an emission wavelength of the measurement radiation is variable within a wavelength range by means of the variation of a tuning parameter, comprising an absorption medium defining absorption lines within the wavelength range, comprising a memory having a line atlas for the absorption medium, comprising a detector for determining an absorptivity and comprising a control and evaluation unit for regulating the emission wavelength by means of the at least one tuning parameter in a manner dependent on the absorptivity determined in such a way that the emission wavelength remains stable.

Abstract: A surveying system can have a position determination unit for determining a target position in a defined coordinate system and have a mobile measurement unit for definition and/or position determination of measurement points in the coordinate system. The surveying system may include a control unit for allowing a user to control a surveying task of the surveying system in a surveying environment in order to acquire surveying task data that comprises spatial coordinates of at least one measurement point, the surveying system being adapted to capture and/or receive environment data of the surveying environment, the control unit comprising a processor unit, a data storage unit and an electronic graphical display for displaying a visualization of the surveying task data to the user, wherein the control unit is adapted to provide a virtual walkthrough functionality in a three-dimensional representation of the surveying environment.

Abstract: An optical measuring device having a base for placing the measuring device and a targeting unit that is rotatable with respect to the base and defines a target axis for targeting a target object that is to be measured. The targeting unit has a first beam path for emitting optical measurement radiation in the direction of the target object that is to be measured. The targeting unit furthermore has a diffractive optical element (DOE), which is arranged or arrangeable in the beam path such that the optical measurement radiation is homogenized.

Abstract: A airborne range finder arranged on an aircraft for surveying a target, the finder comprising an emitter configured for emitting electromagnetic pulses towards the target, a receiver for receiving backscattered pulses, wherein the receiver comprises a projection surface comprising an inner area and an outer area, focusing optics configured for imaging pulses backscattered from a distance equal to or longer than a threshold distance onto the inner area, and pulses backscattered from a distance shorter than said threshold distance onto the inner area and a part of the outer area, a detector configured for detecting and outputting pulses imaged onto the projection surface, and a recorder configured for reading the detector and storing pulses detected only within the inner area as target pulses, storing pulses detected within the outer area as near-field pulses, and tagging each stored pulse with a corresponding pulse reception time, and a control unit.

Abstract: A method for a three dimensional surveying of a 3D-scene for deriving a true-to-size 3D-model. It involves deriving a first 3D-partial-model of a section of the 3D-scene together with a capturing of at least one first 2D-visual-image and a second 3D-partial-model of another section of the 3D-scene, together with a capturing of at least one second 2D-visual-image, wherein the 3D-partial-models are partially overlapping. The first 3D-partial-model is conglomerated with the second 3D-partial-model to form the 3D-model of the 3D-scene, which is done with defining a first line segment in the first 2D-visual-image and a second line segment in the second 2D-visual-image, which first and second line segments are representing a visual feature, which is common in both of the 2D-visual-images. The line segments in the 2D-visual-images are utilized in conglomerating the corresponding 3D-partial models to form the 3D-model of the whole 3D-scene.

Abstract: A method for an image-based measurement of a scene using a handheld apparatus, including a recording of at least one first image and one second image of the scene by at least one camera of the apparatus, a photogrammetric evaluating of the first and the second image, and a graphic outputting of an image representation of the scene on a display unit, characterized by an automatically proceeding edge measurement functionality, as part of which, in each case without user intervention, edges in the scene are identified utilizing at least one image of the scene, edge lengths of the identified edges are ascertained based on the photogrammetrically evaluated images, and the ascertained edge lengths are displayed in the image representation of the scene.

Abstract: A handheld device for the image-based measurement of a remote object, comprising a housing having a front side and a rear side, a first and second camera, which are arranged having a stereo base on the rear side, for recording images of the object, an analysis unit having an algorithm for the stereophotogrammetric analysis of the images of the cameras and a display unit, which is arranged on the front side, for displaying images of the object and results of the stereophotogrammetric analysis, wherein the housing has a longitudinal axis, the stereo base is aligned diagonally relative to the longitudinal axis, and the analysis unit is designed for the purpose of taking into consideration the relative alignment of the stereo base during the stereophotogrammetric analysis.

Abstract: Method for aerial image capturing by means of an unmanned and controllable aircraft comprising a camera, more particularly a drone, during a flight maneuver of said aircraft, comprising continual determining of a camera position and alignment of an optical camera axis and acquiring of a series of aerial images. For each aerial image of said aerial image series, the capturing of the respective aerial image is triggered by flying through a respective image trigger region with said aircraft, wherein the location of said respective image trigger region is determined at least in each case by one trigger position assigned to said respective image trigger region and triggered subject to the alignment of the camera axis when flying through said respective image trigger region, with respect to fulfilling a defined, maximum angle deviation relative to a predetermined spatial alignment.

Abstract: Some embodiments of the invention include a surveying apparatus that includes an optoelectronic distance measuring device having a measuring beam path, a base for placing the surveying apparatus, a support which is mounted on the base such that it is rotatable about a vertical axis, a beam directing unit which is mounted in the support such that it is rotatable about a tilting axis, an angle measurement system for measuring the axial positions, and an actuatable positioning device driving the beam directing unit or the support. In some embodiments the positioning device may include a plurality of coils which are arranged in a positionally fixed manner in the form of a ring about the tilting axis and/or vertical axis, with winding axes which are axially parallel to the tilting axis or vertical axis.

Abstract: A sensor module for connection to a handheld rangefinder instrument and for providing sensor data for the rangefinder instrument includes an electronic interface for connection to an applicable interface of the rangefinder instrument, and at least one electronic sensor component for generating the sensor data. A system for the handheld measurement of distances to a surface region of an object includes a sensor module of this kind and a handheld rangefinder instrument having a first laser rangefinder. When the interfaces are connected to one another, the sensor module is configured for transmitting the sensor data to the rangefinder instrument, and the interfaces are configured for transmitting electric power from the rangefinder instrument to the sensor module, in which the sensor module is configured to operate the at least one sensor component by means of the electric power transmitted by the rangefinder instrument.

Abstract: A coordinate measuring device includes a carrier that can be rotated automatically about two axes and that can be directed toward a measuring aid. The following are arranged on the carrier so as to be able to move together: an optical distance measuring device for measuring the distance to the measuring aid; a light source for emitting light, directly or by means of optical elements, wherein said light is visible as a target point when reflected on the measuring aid; a target detecting unit for determining a position as the position of the imaging of the target point on a position detection sensor. The control apparatus is designed to direct the carrier at the measuring aid by rotating the carrier about the at least two axes of the carrier according to the fine position and the rough position; and the light source is a superluminescent diode (SLED).