Abstract: A coordinate measuring and/or stake out device can be designed for being hand-held (one-handed), free carriage and movement by a user. A position giving means is for determination of an actual translational position of the device using an external position reference and an orientation giving means for determination of an actual rotational position of the device, such that the actual position of the device with respect to all six degrees of freedom of the device can be determined. A radiation source is for generation of a radiation beam as measuring and/or marking beam for measuring and/or visually marking of an object point. A beam steerer is for automatic steering of an alignment of the beam, whereby the beam which differ in the manner of automatic steering the beam alignment.

Abstract: The invention relates to providing atmospheric correction data in a GNSS network-RTK system for correcting GNSS data, wherein a base triangulation that encloses at least part of the reference stations of the GNSS network-RTK system is subdivided into child triangles by means of a recursive division of parent triangles into four child triangles, synthetic data are determined for each of the child triangles based on a triangulation algorithm applied to basic data of the reference stations such that the synthetic data represent a gridded representation of the basic data, and access to correction data is provided, wherein the correction data comprise at least part of the synthetic data arranged in a quad-tree hierarchy.

Abstract: A handheld stylus for the precise operation of a touch-sensitive display screen, comprising an oblong housing, which is designed in such a way that the stylus is provided to be held in one hand like a pen, and a tip, which is designed for touching the display screen, wherein the stylus comprises a laser distance meter integrated into the housing for measuring distances to spatial points along an emission direction.

Abstract: A surveying system comprising a global coordinate measuring device (CMD) and a local CMD, wherein the local CMD is configured to coordinatively survey surface survey an object. The surveying system has a coordinate transformation functionality, during the execution of which a first transformation of the local coordinate system of the local CMD into the global coordinate system of the global CMD takes place, whereby at least three reference points, the respective defined position of which is known to either the global or the local CMD, are surveyed by the respective other CMD. A second transformation of the global coordinate system into the object-side coordinate system also takes place, whereby the global CMD surveys at least three support points, the respective defined position of which in the object-side coordinate system is known.

Abstract: A system is configured for confirming a mobile cooperative target being automatically tracked and measured by a total station or theodolite in order to automatically control a machine operation of a construction site machine. The system includes at least one total station or theodolite with a UWBST anchor-module having an anchor-ID, and a cooperative target associated with a UWBST tag-module having a tag-identifier (tag-ID) and being used for automatically controlling a machine operation of the construction site machine. The system can include a machine control unit associated with the construction site machine configured for controlling machine operations based on tracking and continuously measuring cooperative targets carried out by the total station or theodolite, and an ultra-wide band (UWB) distance meter associated with the UWBST anchor-module configured for measuring a distance (UWB-distance) between the UWBST anchor-module and the UWBST tag-module.

Abstract: A surveying system can include a surveying instrument, a control system, a tilt measuring system, a levelling unit, a camera system, and a second distance meter, wherein the control system is configured for obtaining an image position of a captured image, adjusting a tilt status until a first tilt status is obtained, the second distance meter aiming onto the location on the ground in the first tilt status, determining the first tilt status, effecting the second distance meter to measure a distance to the location on the ground, effecting a first angle encoder to measure a rotatory position of a support unit, effecting the levelling unit to adjust the tilt status, and calibrating a preconfigured centre point based on the distance to the location on the ground, a deviation between the first tilt status and the second tilt status, and/or the rotatory position of the support unit.

Abstract: A measuring method and a distance measuring device for determining an absolute distance to a target moving at a radial movement velocity with respect to the distance measuring device, wherein a modulated transmission radiation is emitted to the target and a measurement signal is detected, such that information regarding the absolute distance to the target is attached to the measurement signal by means of at least one reference point of a frequency-dependent signal profile of the measurement signal, on the basis of a modulation phase of the reception radiation with respect to a set fundamental modulation, wherein for a set fundamental modulation frequency the deviation of said frequency value with respect to a reference point, in particular a minimum point, of the signal profile of the measurement signal is derived, namely the frequency offset and the offset direction with respect to the reference point.

Abstract: A geodetic surveying instrument, such as a total station, stationed with instrument center coordinates at ground coordinates in a stationing height above ground. The instrument comprises a sighting unit for aiming a measurement target point, with an opto-electronic distance meter to determine a target distance and two axes for aiming the sighting unit, with goniometers to determine a target direction. It also comprises a tilt sensor to determine a tilt value of the instrument and a measurement-controller to derive measured coordinates of the measurement target point based on this target direction and target distance.

Abstract: Surveying apparatus comprising an event-based camera comprising a dynamic vision sensor.

Abstract: Some embodiments of the invention include a coordinate measuring machine for detecting the position and alignment of a spatially movable measuring aid. The coordinate measuring machine may include a retroreflector; a base; a support, which is fixed on the base rotatably about a first rotation axis; a beam directing unit, which is fixed to the support rotatably about a second rotation axis substantially orthogonal to the first rotation axis; means for detecting a rotation angle of the support relative to the base; and means for detecting a rotation angle of the beam directing unit relative to the support. In some embodiments, the beam directing unit comprises a laser emission and reception optical unit and a first optical distance measuring unit having at least one first distance measuring device for measuring the distance to a retroreflector of the measuring aid by means of a first measurement radiation.

Abstract: A laser level comprising a first laser module and a second laser module, each comprising a laser diode and an optical unit, a holder arranging the first laser module and the second laser module in a fixed relative position, and a housing, in which the holder is suspended with a gimbal or ball joint. Each optical unit comprises a collimating lens arranged along the beam path following the laser diode, and configured for collimating a beam emitted by the laser diode; a pair of partially transmitting mirrors, each arranged along the beam path following the collimating lens, and configured for laterally reflecting less than half of the collimated beam in terms of the beam cross-section, and in terms of the beam intensity; and a cylindrical lens arranged along the beam path following the pair of partially transmitting mirrors, and configured for shaping the collimated beam into a fan beam.

Abstract: A measuring system comprising a measuring instrument and a computer system, the measuring instrument comprising a base unit, a support unit mounted on the base unit, a targeting unit comprising a distance meter having a targeting axis, a first angle encoder configured for measuring a horizontal angular position of the support unit, a second angle encoder for measuring a vertical angular position of the targeting unit, a camera for capturing image data, and a control unit is configured for computing a position of a target based on a preconfigured target attribute, the computer system being configured for receiving the image data from the camera, executing a classifier for determining at least one of a plurality of classes of at least part of the image data, validating a preconfigured target attribute based on the at least one class target attribute, and generating result data based on the validation.

Abstract: A method and system that compensates for kinematic accelerations influencing a sensor measurement of working equipment such as an excavator. The method and system identify members of the working equipment that are movable relative to each other (e.g. stick, boom, bucket) and define a co-ordinate frame for each movable member. A kinematic relationship, preferably a kinematic chain. The sensor measurement is then modified according to the kinematic relationships and the relative position of each identified member.

Abstract: A laser scanner and a system with a laser scanner for measuring an environment. The laser scanner includes an optical distance measuring device, a support, a beam steering unit rotatably fixed to the support which rotates around a beam axis of rotation. The beam steering unit includes a mirrored surface which deflects radiation used in the optical distance measurement and an angle encoder for recording angle data. The optical distance measurement is performed by a progressive rotation of the beam steering unit about the beam axis of rotation and the continuous emission of a distance measurement radiation, the emission being made through an outlet area arranged in the direction of the mirrored surface on the support, the receiving optics for receiving radiation are arranged on the support, and wherein the outlet area has a lateral offset with respect to the optical axis of the receiving optics.

Abstract: A system and method that compensates for local disturbances in magnetometer measurements for working equipment. For example, compensating for magnetometer disturbances caused by a stick, boom, and bucket of an excavator. The compensation is performed by generating or obtaining a magnetic model of movable members, determining the position of each of the movable members, calculating an estimated magnetic disturbance, and modifying the magnetometer measurement.

Abstract: A surveillance system for detecting an object within a monitored infrastructure and to a hybrid 3D surveying device, wherein a LiDAR device is configured that scanning is carried out with respect to two essentially orthogonal axes and wherein the LiDAR device comprises a cover mounted on the base, such that the base and the cover form an enclosure that encloses all moving parts of the LiDAR device, wherein the cover is configured to be opaque for visible light and translucent for the wavelength range of the LiDAR transmission radiation. The system further comprises a computing unit configured for processing the LiDAR measurement data to generate a 3D point cloud of the monitored infrastructure, and an object detector configured for classification of the object based on the 3D point cloud.

Abstract: A geodetic stake-out system comprising a stake-out device, a total station, and a guidance system. The stake-out device includes a reflector and a pointing tip. The total station includes a target unit comprising a telescope, a distance meter, and a sensor. The stake-out system includes a direction measuring unit for measuring a horizontal and vertical rotational position of the target unit which is rotatable horizontally and vertically, the sensor generating sensor data indicative for a position of the stake-out device. The guidance system comprises a guidance computer generating guidance data based on the sensor data, and an output device providing a guidance signal based on the guidance data, and a connection system for connecting the sensor with the guidance computer and the guidance computer with the output device, the guidance signal guiding a user of the stake-out device towards a horizontal centre of the field of view of the telescope.

Abstract: A system configured for rough localization of moveable cooperative targets. The system includes at least one laser tracker, having a moveable upper part connected to a base part, an optical target rough location detector automatically detecting a rough location of a cooperative target, a target fine position detector automatically detecting a fine position of a cooperative target within a fine position field of view, motors for changing an orientation of the moveable upper part, a motor controller, and a computer, a first and a second radio frequency telegram (RFT) transceiver (RFTT) anchor-module, wherein each RFTT anchor-module's position is referenced to the laser tracker, a cooperative target associated with a RFTT tag-module and each of the RFTT tag- and anchor-modules an evaluation unit configured for determining a RFT-transmission specific parameter based on the transmission of RFTs between the RFTT anchor- and tag-modules and providing said RFT-transmission specific parameter to the computer.

Abstract: A system for compensating for an angle difference between outgoing and incoming beams of a scanner in a long range LiDAR surface scan, the angle difference being dependent of the flight travel time of the beam and of a movement of a deflection unit of the scanner. The scanner consists of a transmitter unit emitting laser pulses, a movable deflection unit directing the laser pulses towards a target surface according to a given scan pattern, a receiver unit, comprising of receiving optics and a photo-sensitive time-of-flight sensor, and a control unit. The receiver unit comprises an active device for compensating for the angle difference between outgoing and incoming laser pulses and the control unit actuates the active device of the receiver unit and calculates a predicted angle difference between outgoing and incoming laser pulses based on a prediction of the time difference between the outgoing and incoming laser pulses.

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.