Patents by Inventor Juerg Hinderling
Juerg Hinderling has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240118421Abstract: A laser scanner or laser profiler for scanning of an object surface by measuring of distances to surface points comprising a light pulse source, a transmission unit, a receiving unit for receiving measurement light reflected from the object surfaces and for determining the respective distance to a surface point based on the received measurement light according to the principle of time-of-flight and a fiber network with a fiber based optical coupler being designed for transforming a respective light pulse into a series of spaced sub-pulses of different energies. The sub-pulses are digitally sampled, at least one of the sub-pulses having an energy yielding an electrical signal amplitude in the non-saturated range of the receiving unit is selected, and a respective distance is determined based on deducing a time-of-flight of the at least one selected sub-pulse.Type: ApplicationFiled: August 1, 2023Publication date: April 11, 2024Applicant: HEXAGON TECHNOLOGY CENTER GMBHInventors: Reto STUTZ, Jürg HINDERLING, Florian ENGELER
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Patent number: 11933632Abstract: A surveying device with a targeting unit carried by a support, the targeting unit being arranged rotatable relative to a vertical axis and a tilt axis as a first and a second axis of rotation, for emitting a distance measurement beam in an emission direction into free space, the emission direction being variable with respect to the vertical axis and the tilt axis. The device further comprises a beam deflection element such as a partially transparent rotatable mirror, situated in the targeting unit and being rotatable about a deflection axis as a third axis of rotation. The deflection axis is congruent to the tilt axis and the beam deflection element is arranged in such a way in the distance measurement beam path that the emission direction can be varied with respect to the deflection axis.Type: GrantFiled: February 18, 2021Date of Patent: March 19, 2024Assignee: HEXAGON TECHNOLOGY CENTER GMBHInventor: Jürg Hinderling
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Patent number: 11860312Abstract: A measuring device comprises a base, a case, and a rotating member rotatable about the axis of rotation. The rotating member comprises a transmission unit configured to emit transmission beams to different beam directions. The rotating member further comprises a receiver unit configured to receive returning transmission beams. A longitudinal member is fixed to the base and extends in a central area of the rotating member along the axis of rotation over a range including the transmission unit and the receiver unit. Two bearing members are arranged on the longitudinal member and on the rotating member. In the direction of the axis of rotation, the transmission unit and the receiver unit are located in a range between the two bearing members. The measuring device has a high aiming accuracy and low hysteresis of the turning transmission beams.Type: GrantFiled: November 11, 2020Date of Patent: January 2, 2024Assignee: HEXAGON TECHNOLOGY CENTER GMBHInventors: Rainer Wohlgenannt, Jürg Hinderling, Simon Bestler
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Publication number: 20230375672Abstract: A multichannel Light Detection And Ranging device with a dense array of equal spatial light modulator elements such as a digital micromirror device. The modulator array is arranged in a focal plane of a receiving optics between the receiving optics of a receiver unit and detectors. Each spatial light modulator element individually provides a first spatial modulation state and a second spatial modulation state, the two states differing in light redirection. Only in the first modulation state light from the receiving optics is redirected via a respective modulator element in a targeted manner towards a detector. The receiver unit comprises a dense array of juxtaposed optical wedges in between the modulator array and the detectors. Each wedge covers a different area of the modulator array and the refractive planes of the wedges are differently oriented.Type: ApplicationFiled: May 22, 2023Publication date: November 23, 2023Applicant: HEXAGON TECHNOLOGY CENTER GMBHInventors: Rainer WOHLGENANNT, Jürg HINDERLING
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Patent number: 11789148Abstract: An electro-optical distance meter and a distance measuring method, wherein a distance to a target is measured based on runtime by means of radiation pulses, which are emitted at a pulse rate. Received radiation pulses are digitized by means of sampling, wherein the sampling rate is set in dependence on the pulse rate, wherein a digitized signal is generated on the basis of sampling over the reception signals of a plurality of received radiation pulses.Type: GrantFiled: November 21, 2019Date of Patent: October 17, 2023Assignee: HEXAGON TECHNOLOGY CENTER GMBHInventors: Reto Stutz, Jürg Hinderling, Andreas Walser
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Patent number: 11789127Abstract: A laser scanner has multiple measuring beams for optical surveying of an environment. The laser scanner is configured to provide scanning with at least two different multi-beam scan patterns. Each multi-beam scan pattern is individually activatable by a computing unit of the laser scanner.Type: GrantFiled: June 21, 2022Date of Patent: October 17, 2023Assignee: HEXAGON TECHNOLOGY CENTER GMBHInventors: Charles Leopold Elisabeth Dumoulin, Jürg Hinderling
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Patent number: 11733043Abstract: A target reflector search device. This device comprises an emitting unit for emitting an emission fan, a motorized device for moving the emission fan over a spatial region, and a receiving unit for reflected portions of the emission fan within a fan-shaped acquisition region, and a locating unit for determining a location of the reflection. An optoelectronic detector of the receiving unit is formed as a position-resolving optoelectronic detector having a linear arrangement of a plurality of pixels, each formed as an SPAD array, and the receiving unit comprises an optical system having an imaging fixed-focus optical unit, wherein the optical system and the optoelectronic detector are arranged and configured in such a way that portions of the optical radiation reflected from a point in the acquisition region are expanded on the sensitivity surface of the optoelectronic detector in such a way that blurry imaging takes place.Type: GrantFiled: May 6, 2020Date of Patent: August 22, 2023Assignee: HEXAGON TECHNOLOGY CENTER GMBHInventors: Jürg Hinderling, Simon Bestler, Peter Kipfer, Andreas Walser, Markus Geser
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Patent number: 11725935Abstract: A distance meter for the high-accuracy single-point distance measurement to a target point by means of an oriented emitted beam, wherein the receiver has an optoelectronic sensor based on an arrangement of microcells for acquiring the received beam. The receiver and a computer unit are configured in this case for deriving a set of runtimes with respect to different cross-sectional components of the received beam acquired using subregions of the receiver, and therefore, for example, an evaluation is enabled as to whether the received beam has parts of the emitted beam reflected on a single target or a multiple target in its lateral extension.Type: GrantFiled: July 30, 2018Date of Patent: August 15, 2023Assignee: HEXAGON TECHNOLOGY CENTER GMBHInventors: Jürg Hinderling, Simon Bestler, Thomas Piok, Andreas Walser, Rainer Wohlgenannt
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Patent number: 11703410Abstract: An inclination sensor for determining an angle of inclination relative to the gravitational vector includes comprising a fluid container and a first pressure sensor pair configured to measure a hydrostatic pressure in the connecting fluid. Temperature sensors are assigned to the sensors. A processor is configured to determine: a relative height (h) in the direction of gravity between the pressure sensors, an angle of inclination with respect to the gravitational vector based on the determined relative height (h) and the fixed locations of the pressure sensors, and relative height in the direction of gravity and the angle of inclination, also based on the measured temperatures.Type: GrantFiled: August 2, 2022Date of Patent: July 18, 2023Assignee: HEXAGON TECHNOLOGY CENTER GMBHInventors: Jürg Hinderling, Wolfgang Rebhandl, Jochen Scheja, Markus Wenk
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Patent number: 11703567Abstract: A measuring device can have a scanning functionality for optical surveying of an environment, wherein the measuring device has a sensor comprising an assembly of microcells as a receiving surface and direction-dependent active sections of the receiver are defined depending on the transmission direction of the transmitted radiation, in order to adapt the active receiver surface to a varying imaging position of the received radiation.Type: GrantFiled: August 29, 2018Date of Patent: July 18, 2023Assignee: HEXAGON TECHNOLOGY CENTER GMBHInventors: Tim Mayer, Jürg Hinderling
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Patent number: 11703591Abstract: 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.Type: GrantFiled: November 26, 2018Date of Patent: July 18, 2023Assignee: LEICA GEOSYSTEMS AGInventors: Reto Stutz, Josef Lais, Jürg Hinderling
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Publication number: 20230194255Abstract: An opto-electronic distance measuring module and a surveying device comprising the opto-electronic distance measuring module. The opto-electronic distance measuring module comprises a laser diode or a low power fiber laser as emission unit of a distance measuring beam, wherein a finite emission code sequence with N chips is emitted and cross-correlated with a reference signal for generating a compressed pulse. In order to provide sufficient pulse compression and accurate timing of the compressed pulse, the reference signal is configured to have a number of chips larger than N and is formed by reference signal components which take up a bipolar shape of expected receiver output signal components which can be assigned to respective light pulses of the emission code sequence.Type: ApplicationFiled: December 9, 2022Publication date: June 22, 2023Applicant: HEXAGON TECHNOLOGY CENTER GMBHInventor: Jürg HINDERLING
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Publication number: 20230184547Abstract: A surveying device embodied as total positioning system or total station, wherein the surveying device comprises a laser distance measuring module configured to generate a distance measuring beam for a single point measurement to determine a distance to a measurement point targeted by the distance measuring beam. Furthermore, the surveying device comprises a range imaging module with a switchable target illuminator for providing different distance-dependent illumination states of an area illumination comprising a broad and a narrow illumination state.Type: ApplicationFiled: December 9, 2022Publication date: June 15, 2023Applicant: HEXAGON TECHNOLOGY CENTER GMBHInventors: Jürg HINDERLING, Simon BESTLER, Andreas WALSER
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Publication number: 20230096122Abstract: A measuring device comprising a targeting unit and a scanning module. The scanning module has a field of view with a central line in the field of view. The measuring device has a pivoting axis around which an upper part of the measuring device can be pivoted or rotated. The central line deviates by at most 45 degree from orthogonality with respect to the pivoting axis.Type: ApplicationFiled: September 26, 2022Publication date: March 30, 2023Applicant: LEICA GEOSYSTEMS AGInventors: Tim MAYER, Benjamin SCHÖLL, Jochen SCHEJA, Jürg HINDERLING
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Publication number: 20230102020Abstract: A target object providing a large angular incidence range for retroreflection and a reduced amount of interfering reflections. The target object is configured to provide a 360° all-around retroreflection about a vertical axis and ±45° angular incidence range from the horizontal. According to one aspect, the target object comprises eight triple prisms arranged around the arrangement axis in such a way that their contour embeds in an octahedral shape, wherein four of the eight triple prisms are arranged to embed in a first pyramidal body and other four of the eight triple prisms are arranged to embed in a second pyramidal body. Each of the first and the second pyramidal bodies comprises a pyramid base and four lateral surfaces, wherein the pyramid bases of the first and the second pyramidal bodies are arranged parallel to each other.Type: ApplicationFiled: September 27, 2022Publication date: March 30, 2023Applicant: HEXAGON TECHNOLOGY CENTER GMBHInventors: Jürg HINDERLING, Thomas PIOK
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Patent number: 11592292Abstract: A total station or a theodolite includes scanning functionality for optical surveying of an environment, in which the total station or the theodolite is configured such that direction-dependent active acquisition regions of the receiver are defined depending on the transmission direction of the transmitted radiation to adapt the receiver surface mechanically and/or electronically to a varying imaging position of the received radiation on the overall detector surface.Type: GrantFiled: August 29, 2018Date of Patent: February 28, 2023Assignee: HEXAGON TECHNOLOGY CENTER GMBHInventors: Tim Mayer, Jürg Hinderling
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Patent number: 11585897Abstract: An optoelectronic measuring device having scanning functionality having a pulsed radiation source for generating a measuring beam from light pulses at a light pulse emission rate, an optoelectronic detector for detecting light pulses reflected from a target object, a control and analysis unit designed for measuring a distance value from a respective scanning point of the target object according to the time-of-flight principle, based on a number n>=1 of light pulses, wherein the control and analysis unit is designed to automatically set the number (n) depending on a target-object-related measured value determined by the measuring device in real time.Type: GrantFiled: March 20, 2019Date of Patent: February 21, 2023Assignee: HEXAGON TECHNOLOGY CENTER GMBHInventors: Jürg Hinderling, Rainer Wohlgenannt
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Publication number: 20220373419Abstract: An inclination sensor for determining an angle of inclination relative to the gravitational vector comprising a fluid container and a first pressure sensor pair having a first and a second pressure sensor arranged in an edge region of the fluid container such that they are connected to each other by the connecting fluid and have a fixed and defined positional relation to each other. The first and the second pressure sensor are each configured to measure a hydrostatic pressure in the connecting fluid. A processor is configured to determine a relative height (h) in the direction of gravity between the first and the second pressure sensor based on the hydrostatic pressures measured, and to determine an angle of inclination with respect to the gravitational vector based on the determined relative height (h) and the known fixed locations of the pressure sensors within the fluid container.Type: ApplicationFiled: August 2, 2022Publication date: November 24, 2022Applicant: HEXAGON TECHNOLOGY CENTER GMBHInventors: Jürg HINDERLING, Wolfgang REBHANDL, Jochen SCHEJA, Markus WENK
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Patent number: 11486704Abstract: A stand-alone module for localizing a surveying device installed with a stand above a ground mark. The module has at least one housing attached between the stand and the surveying device, a measuring camera unit, which is arranged and designed in such a way that when the module is mounted on a stand the ground mark can be detected in the field of view of the measuring camera unit, a power supply, an inclination sensor and a communication unit.Type: GrantFiled: November 27, 2019Date of Patent: November 1, 2022Assignee: HEXAGON TECHNOLOGY CENTER GMBHInventor: Jürg Hinderling
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Publication number: 20220334229Abstract: A laser scanner has multiple measuring beams for optical surveying of an environment. The laser scanner is configured to provide scanning with at least two different multi-beam scan patterns. Each multi-beam scan pattern is individually activatable by a computing unit of the laser scanner.Type: ApplicationFiled: June 21, 2022Publication date: October 20, 2022Applicant: HEXAGON TECHNOLOGY CENTER GMBHInventors: Charles Leopold Elisabeth DUMOULIN, Jürg HINDERLING