Patents Assigned to Leica Geosystems AG
  • Patent number: 10704233
    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.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: July 7, 2020
    Assignee: LEICA GEOSYSTEMS AG
    Inventor: Damien Dusha
  • Publication number: 20200209394
    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.
    Type: Application
    Filed: November 10, 2016
    Publication date: July 2, 2020
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Simon MARK, Klaus BEREUTER, Benjamin MÜLLER, Roman STEFFEN, Burkhard BÖCKEM, Jürgen DOLD, Jochen SCHEJA, Lukas HEINZLE, Charles Leopold Elisabeth DUMOULIN
  • Patent number: 10698042
    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.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: June 30, 2020
    Assignee: LEICA GEOSYSTEMS AG
    Inventor: Damien Dusha
  • Publication number: 20200200872
    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.
    Type: Application
    Filed: December 5, 2019
    Publication date: June 25, 2020
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Burkhard BÖCKEM, Jürgen DOLD, Klaus BEREUTER, Simon MARK, Matthias WIESER
  • Publication number: 20200191569
    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.
    Type: Application
    Filed: December 5, 2019
    Publication date: June 18, 2020
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Jan ZIMMERMANN, Bernd MÖLLER, Christoph LUX
  • Publication number: 20200191929
    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.
    Type: Application
    Filed: December 5, 2019
    Publication date: June 18, 2020
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Thomasz KWIATKOWSKI, Thomas LÜTHI, Markus STEINER
  • Patent number: 10684359
    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.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: June 16, 2020
    Assignee: LEICA GEOSYSTEMS AG
    Inventor: Andreas Axelsson
  • Patent number: 10645363
    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.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: May 5, 2020
    Assignee: LEICA GEOSYSTEMS AG
    Inventors: Elmar Vincent Van Der Zwan, Tobias Heller, Siegfried Wiltsche
  • Patent number: 10640209
    Abstract: A flying sensor comprising an unmanned aerial vehicle (UAV) and at least one profiler mounted on the UAV, the profiler comprising a base, a scanning unit for providing (LiDAR) data, the scanning unit mounted on the base and comprising a shaft carrying a deflector and being mounted in the scanning unit and rotatable, a transmitter transmitting a transmission beam, a first receiver configured for receiving a first reception beam reflected from the setting via the deflector, and an electric port configured for connecting the profiler to the UAV, and comprising a data interface and a power interface, and wherein the UAV comprises a visual sensor providing visual data, and comprising one or more cameras, a pose sensor for providing pose data, and a computer to compute a 3D point cloud based on the LiDar data and a Simultaneous Localisation and Mapping (SLAM) algorithm using the visual and pose data.
    Type: Grant
    Filed: October 8, 2017
    Date of Patent: May 5, 2020
    Assignee: LEICA GEOSYSTEMS AG
    Inventors: Burkhard Böckem, Jürgen Dold, Simon Mark
  • Patent number: 10634771
    Abstract: A laser scanner device adapted to be mounted to a vehicle, the device comprising a LIDAR module, the LIDAR module comprising at least one laser source, characterized by a horizontal field of view of at least 60°, an instantaneous vertical field of view of at least ±2°, a scan resolution of at least one point per 0.8° in horizontal and vertical direction, and a frame rate of at least 10 Hz for scanning at least the entire horizontal and instantaneous vertical field of view with said scan resolution.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: April 28, 2020
    Assignee: LEICA GEOSYSTEMS AG
    Inventors: Julien Singer, Lukas Heinzle, Jochen Scheja, Simon Mark, Jürg Hinderling, Burkhard Böckem
  • Patent number: 10627211
    Abstract: Some embodiments of the invention relate to a laser tracker for progressive tracking of a reflective target and for determining the distance to the target having a distance measuring unit, which is designed as an interferometer, for determining a distance change to the target by means of interferometry, a laser beam source for generating measuring radiation for the interferometer, a base, which defines a standing axis, a beam guiding unit for emitting the measuring radiation and for receiving at least a part of the measuring radiation reflected on the target, wherein the beam guiding unit is pivotable by a motor about the standing axis and an inclination axis, which is essentially orthogonal in relation to the standing axis, in relation to the base, and an angle measuring functionality for determining an alignment of the beam guiding unit in relation to the base.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: April 21, 2020
    Assignee: LEICA GEOSYSTEMS AG
    Inventor: Thomas Lüthi
  • Publication number: 20200116833
    Abstract: A multiple-pulses-in-air (MPiA) laser scanning system, wherein the MPiA problem is addressed in that an MPiA assignment of return pulses to send pulses of a laser scanner is based on range tracking and range probing at intermittent points in time. Each range probing comprises a time-of-flight arrangement which is constructed to be free of the MPiA problem. The invention further relates to an MPiA laser scanning system, wherein an MPiA ambiguity within a time series of return pulses, is converted into 3D point cloud space, which provides additional information from the spatial neighborhood of the points in question to enable MPiA disambiguation.
    Type: Application
    Filed: October 15, 2018
    Publication date: April 16, 2020
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Quan YANG, Zhigang PAN, James Chester SANDERS, III
  • Publication number: 20200102769
    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.
    Type: Application
    Filed: December 3, 2019
    Publication date: April 2, 2020
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Thomas HARRING, Katherine BRODER, Burkhard BÖCKEM
  • Publication number: 20200081098
    Abstract: A laser distance meter forming a handheld device comprising a housing, an electro-optical distance measurement unit arranged in the housing for ascertaining at least one measured distance between the laser distance meter and a target object in a measurement direction, and a camera having a field of view in the measurement direction. A deflection unit is disposed in the housing for the angular deflection of the measurement direction and an operating and input arrangement for operating at least the distance measurement unit and the camera. A control unit at the housing is configured to activate the distance measurement unit and the deflection unit such that a series of measured values of the measured distance are recorded in different deflections along a path of the deflection, and a subsequent selection of the measured distances from the series of measured values is carried out using the operating and input arrangement.
    Type: Application
    Filed: September 11, 2019
    Publication date: March 12, 2020
    Applicant: LEICA GEOSYSTEMS AG
    Inventor: Markus HAMMERER
  • Publication number: 20200065432
    Abstract: A method, device and system for automatically deriving stationing zones for an electronic measuring or marking device in a worksite environment. The method includes querying a database (DB) for a construction plan information for the worksite environment and acquiring a worksite-task-information of a worksite-task to be executed. The worksite-task-information includes spatial points in the construction plan which have to be measured and/or marked to accomplish the worksite-task. It also comprises an acquiring of at least coarse 3D-data of the actual real world worksite environment, and a merging of the at least coarse 3D-data and the construction plan information to form an actual state model of the worksite environment. An automatic calculating of at least one stationing zone within the actual state model is established, the stationing zone including at least one stationing location from which the measuring or marking of the spatial points are accessible by the device without obstructions.
    Type: Application
    Filed: August 22, 2019
    Publication date: February 27, 2020
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Bernd MÖLLER, Thomas AMMER
  • Publication number: 20200056886
    Abstract: The invention generally relates to an industrial or geodetic surveying device having a tracking unit configured to receive over a tracking channel a tracking signal which is used to track a cooperative target. According to the invention, the surveying device comprises a camera to generate image data, wherein based on the additional knowledge about the position of the cooperative target in an image generated in the locked state, the visual appearance of the target carrier is learned and the result is stored in the form of a detector for use in a backup tracking mode.
    Type: Application
    Filed: August 19, 2019
    Publication date: February 20, 2020
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Urlich HORNUNG, Zoltán TÖRÖK, Veroljub MAKSIMOVIC, Bernhard METZLER
  • Publication number: 20200025921
    Abstract: A Distance Measuring (DM)-system comprising a DM-device comprising a measuring beam unit configured for determining a distance between an object and the DM-device by transmitting a measuring beam, and an Inertial Measurement Unit (IMU) configured for determining an absolute first rotational position of the DM-device with respect to a first axis being parallel to the measuring beam, and an absolute second rotational position of the DM-device with respect to a second axis parallel to the gravity field. The DM-system also includes a computer unit configured for receiving from the DM-device a plurality of measured distance values, an absolute first rotational position of the DM-device at the time of a respective distance measurement, and an absolute second rotational position of the DM-device at the time of a respective distance measurement, and generating a layout by consecutively linking the measured distances based on the plurality of measured distance values.
    Type: Application
    Filed: February 14, 2019
    Publication date: January 23, 2020
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Johannes MAUNZ, Patrick RENNHARD
  • Publication number: 20200018598
    Abstract: A surveying pole system comprising a surveying pole including two telescopic sections for providing length adjustability. At a first end of the surveying pole, a pointing tip is disposed for positioning on a target point of the environment. At a second end, a length reference point is disposed. The surveying pole also includes a locking mechanism for locking the length adjustability in respective lock-in positions. Each of the lock-in positions provides a corresponding distance between the pointing tip and the length reference point. A plurality of coded identifiers have a predetermined code associated with one of the lock-in positions. The surveying pole also includes a coded-identifier reader for reading the code of a respective coded identifier associated with the respective lock-in position, a communication device configured for transmitting a signal to a surveying instrument, wherein the signal is based at least on the read code.
    Type: Application
    Filed: July 16, 2019
    Publication date: January 16, 2020
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Walter HOLLENSTEIN, Markus GESER, Josef MÜLLER, Oliver FAIX
  • Patent number: 10520310
    Abstract: Some embodiments include a surface surveying device, in particular profiler or 3D scanner, for determining a multiplicity of 3D coordinates of measurement points on a surface, comprising a scanning unit and means for determining a position and orientation of the scanning unit, a carrier for carrying the scanning unit and at least part of the means for determining a position and orientation, and a control and evaluation unit with a surface surveying functionality. The carrier is embodied as an unmanned aerial vehicle which is capable of hovering and comprises a lead, the latter being connected at one end thereof to the aerial vehicle and able to be held at the other end by a user, wherein the lead is provided for guiding the aerial vehicle in the air by the user and the position of the aerial vehicle in the air is predetermined by the effective length of the lead.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: December 31, 2019
    Assignee: LEICA GEOSYSTEMS AG
    Inventors: Jürgen Dold, Thomas Harring, Burkhard Böckem
  • Patent number: D873158
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: January 21, 2020
    Assignee: Leica Geosystems AG
    Inventor: Matthias Wieser