Patents Assigned to Leica Geosystems AG
  • Patent number: 11948286
    Abstract: The invention relates to a method for enhancing images for metrological applications. The method comprises the steps: 1) providing a geometric correction image having an image geometric correctness higher than the processed image geometric correctness and showing at least a part of the scene of interest, and 2) at least partially reducing the loss of initial metrological information in the distorted metrological information by fusing the enhanced image with the geometric correction image.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: April 2, 2024
    Assignee: LEICA GEOSYSTEMS AG
    Inventors: Bernhard Metzler, Harald Vennegeerts, Aldo Facchin
  • Publication number: 20240077301
    Abstract: A measuring instrument for coordinative measuring of object surface points of an object embodied as a measuring head of a coordinate measuring machine or of an articulated arm or embodied as a handheld measuring probe of a measuring system having a surveying station such as a laser tracker or as a 6-DoF handheld measuring instrument with an IMU. The measuring instrument comprises a scanning absolute distance meter with a light source, a transmission channel for emitting light from the light source as a measurement beam along a targeting axis towards the object, a beam deflection unit for scanning deflection of the targeting axis, a receiver channel for receiving at least part of the measurement beam reflected from the object surface, an opto-electronic detector for detection of the received measurement beam and outputting an according detection signal and an evaluation unit for determination of a coordinate of a surface point.
    Type: Application
    Filed: September 1, 2023
    Publication date: March 7, 2024
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Thomas LÜTHI, Duncan REDGEWELL
  • Publication number: 20240077310
    Abstract: A selective laser scanner, comprising a target component which can be rotated about two rotation axes and is configured to transmit a distance measuring beam defining a target axis. The selective laser scanner further comprises a distance measuring unit configured to carry out distance measurements by means of the distance measuring beam on cooperative targets or on diffusely scattering targets. The selective laser scanner is equipped with a plurality of overview cameras arranged on the target component offset from the target axis in a fixed positional arrangement with respect to each other having field of views which at least partly overlap each other. The selective laser scanner further comprises a display for displaying an environment image provided by imaging data of at least one of the cameras as well as automatic feature and area detections.
    Type: Application
    Filed: August 31, 2023
    Publication date: March 7, 2024
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Marcel RÜEGG, Matthias WOLF
  • Publication number: 20240061072
    Abstract: A ground-penetrating radar (GPR) scanner for investigating a sub-surface, wherein the GPR scanner comprises an antenna assembly configured for transmitting and receiving ultra-wide band (UWB) signals. The GPR scanner further comprises a directional coupler, a UWB signal generator configured for providing outgoing UWB signals through the directional coupler to the antenna assembly, a UWB signal sampling unit configured for receiving incoming UWB signals from the antenna assembly through the directional coupler, and an impedance. The directional coupler is configured as a balanced UWB directional coupler. It comprises a first port configured for receiving positive outgoing UWB signals from the UWB signal generator and a second port configured for receiving negative outgoing UWB signals from the UWB signal generator, wherein the second port is balanced with the first port.
    Type: Application
    Filed: August 18, 2023
    Publication date: February 22, 2024
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Wilfried KANEIDER, Stefano DI BENE, Alessandro SIMI
  • Publication number: 20240064022
    Abstract: A laser-scanning method may include obtaining scan data captured by a laser scanner in which the laser scanner includes a first private key that uniquely corresponds to the laser scanner. The laser-scanning method may include obtaining a first digital signature corresponding to the obtained scan data that is generated based on the scan data and the first private key. The laser-scanning method may include validating the first digital signature using a first public key that corresponds to the first private key and generating a report that summarizes results of the validating. The laser-scanning method may include transforming and aggregating, by a scan data aggregator, the scan data as aggregated scan data and generating a second digital signature corresponding to the aggregated scan data. The second digital signature may be generated by signing hashes corresponding to the aggregated scan data using a second private key corresponding to the scan data aggregator.
    Type: Application
    Filed: August 19, 2022
    Publication date: February 22, 2024
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Gregory Charles WALSH, Daniel MARTY
  • Publication number: 20240057257
    Abstract: A printed circuit board (PCB) having a lateral extent and comprising a side landing pad for direct bonding of an optoelectronic chip, whereby the side landing pad comprises at least two landing areas being differently oriented with regard to the lateral, thus enabling a bonding of the chip in at least two different lateral orientations relative to the printed circuit board, whereby the electrical connection lengths of the landing areas are equal, and an optoelectronic module based on such a printed circuit board and an according time of flight camera.
    Type: Application
    Filed: August 8, 2023
    Publication date: February 15, 2024
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Ralph HARTI, Stefan KOHLGRÜBER, Andrey MARINOV, Michele PORTENTOSO
  • Publication number: 20240035820
    Abstract: An automatic stationing of a geodetic survey instrument. The instrument comprises a targeting unit to provide targeting data, an imaging sensor, wherein the axis is referenceable to a targeting direction, and a computing unit. The automatic stationing comprises the steps of 1.) acquiring an image of the environment, 2.) creating a catalog of features based on the image and providing a score of applicability for each feature, 3.) selecting a first set of features based on the score of applicability and providing a first targeting data, 4.) recognizing a relocation of the instrument 5.) selecting a second set of features from the first set of features, and providing a second targeting data and 6.) determining the fine pose relative to the first pose based on the first and second set of targeting data.
    Type: Application
    Filed: July 28, 2023
    Publication date: February 1, 2024
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Zoltán TÖRÖK, Bernhard METZLER, Elmar VAN DER ZWAN, Holger STRITTMATTER
  • Publication number: 20240035821
    Abstract: An automatic stationing functionality of a geodetic survey instrument. The survey instrument comprising a targeting unit configured to provide a targeting data measurement, an inertial measurement unit (IMU), an imaging sensor unit configured for providing the functionalities of a visual positioning system (VPS), a communication interface configured to receive a design data comprising position information of reference markers in the environment, and a computing unit. The automatic stationing functionality being configured for calculating a coarse pose of the instrument based on the IU and/or the VPS pose data, selecting a plurality of reference markers to be targeted based on the coarse pose and the design data, and determining a fine pose of the instrument based on the targeting data measurement of the plurality reference markers.
    Type: Application
    Filed: July 28, 2023
    Publication date: February 1, 2024
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Norbert KOTZUR, Zoltán TÖRÖK
  • Publication number: 20240020924
    Abstract: A computer-implemented method for generating land-cover maps of an area, comprising: receiving a plurality of digital input images; performing semantic segmentation in the input images, segmenting each image individually and with a plurality of semantic classes, each semantic class being related to a land-cover class from a set of land-cover classes; identifying a set of single-image probability values of one or more of the semantic classes for at least a subset of the image pixels of the respective segmented image; generating a 3D mesh of the area based on the plurality of digital input images using a structure-from-motion algorithm; projecting the sets of single-image probability values on vertices of the 3D mesh; determining a set of overall probability values of one or more of the semantic classes.
    Type: Application
    Filed: July 14, 2023
    Publication date: January 18, 2024
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Jan ZAPLETAL, Martina BEKROVÀ
  • Publication number: 20240003673
    Abstract: Computer system and computer-implemented method comprising: providing a digital-twin database comprising individual digital twins for a multitude of coordinate measuring devices; assigning an individual code to each of the multitude of coordinate measuring devices; providing on a first coordinate measuring device the assigned code; and pairing the first device with a mobile device, the pairing comprising capturing the individual code of the first device and sending the captured individual code together with an identifier, verifying the sent individual code and storing the identifier of the mobile device assigned to the digital twin of the first device.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 4, 2024
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Markus STEINER, Philip KIM
  • Publication number: 20230417545
    Abstract: A method for optimizing simultaneous use of a multitude of coordinate measuring devices at a multitude of locations, comprising: obtaining job information about a multitude of coordinate measuring jobs at the multitude of locations, the job information comprising the position of one or more objects, a time for performing the job, required capabilities of involved devices, and required certifications and/or calibrations for the involved devices; determining an actual position and a condition of each device, the condition comprising a measuring precision and a measuring speed, individual conditions of a plurality of components of the device, a maintenance status and a certification and/or calibration status; performing a job analysis involving the obtained job information and the determined positions and conditions; and performing, based on a result of the analysis, an assignment optimization for assigning at least a subset of the devices to the jobs.
    Type: Application
    Filed: June 27, 2023
    Publication date: December 28, 2023
    Applicant: LEICA GEOSYSTEMS AG
    Inventor: Markus STEINER
  • Patent number: 11846709
    Abstract: A distance measuring device comprising an optical transmitter channel for transmitting laser light along a transmitter path and an optical reception channel for receiving laser light along a reception path. At least one optical element including a glass part with a coated surface is positioned in the optical transmitter channel or in the optical reception channel. The glass part includes a glass pane with a thickness below 0.3 mm, with a peripheral edge and with a coating on at least one of the two surfaces, and a ring element. The glass pane is adhesively connected to an end face of the ring element. This distance measuring device shows reduced measuring artefacts and/or reduced optical aberration effects and/or a reduced weight.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: December 19, 2023
    Assignee: LEICA GEOSYSTEMS AG
    Inventors: Heinz Bernhard, Christian Weis
  • Publication number: 20230401543
    Abstract: A computer-implemented method for determining maintenance requirements of a first coordinate measuring device, comprising: providing a digital-twin database comprising individual digital twins for each of a multitude of coordinate measuring devices, each device comprising a plurality of components, each individual digital twin comprising information about the individual components of the respective device; continuously receiving usage-related data regarding a usage of the multitude of coordinate measuring devices; receiving maintenance data related to maintenance events of the coordinate measuring devices; performing a maintenance analysis involving the maintenance data of at least a subset of the multitude of coordinate measuring devices, the information about the components used in the coordinate measuring devices of the subset and the usage-related data of the coordinate measuring devices of the subset; and predicting, based on a result of the maintenance analysis, maintenance requirements for the first co
    Type: Application
    Filed: June 9, 2023
    Publication date: December 14, 2023
    Applicant: LEICA GEOSYSTEMS AG
    Inventor: Markus STEINER
  • Patent number: 11802963
    Abstract: A distance measuring device comprising an optical transmitter channel for transmitting laser light along a transmitter path and an optical reception channel for receiving laser light along a reception path. At least one optical element including a glass part with a coated surface is positioned in the optical transmitter channel or in the optical reception channel. The glass part includes a glass pane with a thickness below 0.3 mm, with a peripheral edge and with a coating on at least one of the two surfaces, and a ring element. The glass pane is adhesively connected to an end face of the ring element. This distance measuring device shows reduced measuring artefacts and/or reduced optical aberration effects and/or a reduced weight.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: October 31, 2023
    Assignee: LEICA GEOSYSTEMS AG
    Inventors: Heinz Bernhard, Christian Weis
  • Publication number: 20230342952
    Abstract: Automatic method for coordinative measuring of a measurement space with a stationary terrestrial scanning measuring device having an emitting unit for directed emission of radiation as a free beam and at least one camera arranged in known spatial relationship to the emitting unit.
    Type: Application
    Filed: April 25, 2023
    Publication date: October 26, 2023
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Tobias WIESNER, Christoph HERBST
  • Patent number: 11796314
    Abstract: 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.
    Type: Grant
    Filed: August 15, 2022
    Date of Patent: October 24, 2023
    Assignee: LEICA GEOSYSTEMS AG
    Inventors: Heinz Lippuner, Urs Vokinger, Knut Siercks
  • Patent number: 11800225
    Abstract: The invention relates to a camera body comprising an optics interface configured for receiving projection optics, a holder coupled with the optics interface, a sensor arranged on the holder and configured for being movable relative to the optics interface along a stabilisation axis, circuitry connected to the sensor and configured for generating surveying data, the holder comprising a first frame and a first movable part that is connected to the first frame via a first solid-state joint, the sensor arranged on the first movable part, the first solid-state joint configured for providing a movability of the first movable part relative to the first frame along the stabilisation axis, a motor having a mover and a stator, the motor connected to the circuitry, the mover operatively linked with the first movable part, and the stator fixedly arranged relative to the first frame.
    Type: Grant
    Filed: May 30, 2021
    Date of Patent: October 24, 2023
    Assignee: LEICA GEOSYSTEMS AG
    Inventor: Patrick Steinmann
  • Publication number: 20230332648
    Abstract: A reality capture device, particularly a reality capture device having a lightweight construction, being configured for generating a digital representation of an environment. The reality capture device comprises a probing unit with a pivoting component configured to be pivoted relative to a base part of the reality capture device in order to generate probing data of the environment. The pivoting component is mounted on the base part by a four-point roller bearing configured as wire race bearing. Applicability of a four-point roller bearing in the form of a wire race bearing for supporting the probing unit of the reality capture device is achieved by a specific design of the inner and/or outer race supporting the raceway wires in order to reduce unwanted pressure in the bearing, e.g. due to thermal behavior.
    Type: Application
    Filed: April 13, 2023
    Publication date: October 19, 2023
    Applicant: LEICA GEOSYSTEMS AG
    Inventors: Roman STEFFEN, Matthias WOZASEK
  • Patent number: 11789126
    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: Grant
    Filed: September 11, 2019
    Date of Patent: October 17, 2023
    Assignee: LEICA GEOSYSTEMS AG
    Inventor: Markus Hammerer
  • Publication number: 20230314616
    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: May 24, 2023
    Publication date: October 5, 2023
    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