Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A reality capture device configured to perform a measuring process for generating a digital representation of an environment comprising a body defining a first axis, and an imaging unit with one or more 2D cameras configured to provide 2D image data of the environment. The device comprises a ToF camera arrangement configured for capturing 3D point-cloud data of the environment and comprising at least two time-of-flight cameras, wherein each time-of-flight camera comprises a sensor array and one or more laser emitters, the sensor array of each of the time-of-flight cameras having an optical axis and being configured to receive reflections of light pulses emitted by the one or more laser emitters of the respective time-of-flight camera, the time-of-flight cameras being arranged around the first axis so that each sensor array has one or two other sensor arrays as a neighbouring sensor array.

Abstract: A measuring apparatus for the three-dimensional geometric acquisition of surroundings by means of a rotating transceiver platform and a multiplicity of transmission channels for emitting pulsed distance measurement beams, wherein in each case a different elevation with respect to a reference plane orthogonal to the rotation axis is scannable with each of the transmission channels. Furthermore, the measuring apparatus comprises a receiving unit having a sensor arrangement of semiconductor photomultiplier sensors, wherein the number of sensors is less than the number of transmission channels, and the transmitting unit and the receiving unit are configured such that at least two of the transmission channels are assigned to a common sensor, which is configured for generating distance measurement data with respect to the at least two transmission channels.

Abstract: A measuring appliance for performing distance measurements to an object, with an optical transmitter channel, an optical reception channel, a reference light path and an evaluation device, wherein the optical transmitter channel comprises a transmitter unit and an optical outlet element and the optical reception channel comprises an optical inlet element and a reception unit. The measuring appliance facilitates distance measurements over a measurement light path to the object and back again and over a reference light path. An attenuation device renders a desired signal attenuation attainable in the reference light path. The reference light path is laid out in such a way that it receives laser measurement radiation prior to the passage through the optical outlet element, guides said laser radiation without contact with the surroundings to the attenuation device and forwards an attenuated portion to the reception unit through the optical inlet element.

Abstract: An optical distance meter configured to carry out a distance measurement in a first measuring mode, in which the distance meter is set for distance measurement on a retroreflective target, and a second measuring mode, in which the distance meter is set for distance measurement on a diffusely scattering target. In this case, a first aperture of the receiving channel is set in the first measuring mode, which is smaller than an aperture set in the second measuring mode.

Abstract: The invention relates to a multi-beam distance measuring device, configured for timing the time-of-flight of transmission pulses by using a programmable integrated circuit, which has a plurality of parallel delay lines. Each delay line has a plurality of delay elements, which sequentially propagate an input signal of the respective delay line, wherein each of the delay elements is configured to provide a binary output as a function of the input signal. Time measurement of a signal change of a return signal is carried out by sampling binary outputs of a respective delay line and simultaneous consideration of the sampled binary outputs at a certain point in time, by further taking into account individual time delays of the delay elements.

Abstract: A distance measuring device comprising a sensor for highly accurate distance measurement with a very high dynamic range and range walk compensation, said sensor being provided by means of an array of single photon avalanche photodiodes.

Abstract: 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.

Abstract: An absolute distance measuring method and device including a transmission unit having a laser array comprising multiple measurement laser emitters arranged along a laser array axis and a receiver unit having at least one receiver array comprising multiple measurement receivers arranged along a receiver array axis for measuring of an absolute distance based on a respective detected transmission beam and the principle of time-of-flight. The laser array comprises at least a first reference laser emitter and the receiver array comprises at least a first reference receiver. The reference laser emitter and reference receiver define an internal absolute distance reference beam path for calibration of the device with respect to said measuring of absolute distance.

Abstract: A distance measuring method and an electronic laser distance measuring module, in particular for use in a distance measuring apparatus, especially configured as a laser tracker, tachymeter, laser scanner, or profiler, for fast signal detection with an analog-to-digital converter, wherein conversion errors that arise in the context of a signal digitization, in particular timing, gain and offset errors of the ADC, are compensated for by means of variation of the sampling instants.

Abstract: A distance measuring method and an electronic laser distance measuring module, in particular for use in a distance measuring apparatus, especially configured as a laser tracker, tachymeter, laser scanner, or profiler, for fast signal detection with an analog-to-digital converter, wherein conversion errors that arise in the context of a signal digitization, in particular timing, gain and offset errors of the ADC, are compensated for by means of variation of the sampling instants.

Abstract: A measuring appliance for performing distance measurements to an object, with an optical transmitter channel, an optical reception channel, a reference light path and an evaluation device, wherein the optical transmitter channel comprises a transmitter unit and an optical outlet element and the optical reception channel comprises an optical inlet element and a reception unit. The measuring appliance facilitates distance measurements over a measurement light path to the object and back again and over a reference light path. An attenuation device renders a desired signal attenuation attainable in the reference light path. The reference light path is laid out in such a way that it receives laser measurement radiation prior to the passage through the optical outlet element, guides said laser radiation without contact with the surroundings to the attenuation device and forwards an attenuated portion to the reception unit through the optical inlet element.

Abstract: A measuring apparatus for the three-dimensional geometric acquisition of surroundings by means of a rotating transceiver platform and a multiplicity of transmission channels for emitting pulsed distance measurement beams, wherein in each case a different elevation with respect to a reference plane orthogonal to the rotation axis is scannable with each of the transmission channels. Furthermore, the measuring apparatus comprises a receiving unit having a sensor arrangement of semiconductor photomultiplier sensors, wherein the number of sensors is less than the number of transmission channels, and the transmitting unit and the receiving unit are configured such that at least two of the transmission channels are assigned to a common sensor, which is configured for generating distance measurement data with respect to the at least two transmission channels.

Abstract: 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.

Abstract: The invention relates to a distance measurement apparatus for measuring the time of flight of electromagnetic signals, having at least: a transmitter for transmitting coded transmission signals according to a pattern specified by a coder, a receiver for detecting the signals reflected by at least one object as receive signals, a counter unit having a time counter for writing time counter values, which are generated in each case with the transmission of the transmission signals and the receipt of the receive signals, into at least one register, and a control and evaluation unit for calculating the time of flight on the basis of decoding the receive signals and reading the register of the counter unit.

Abstract: An optical distance meter configured to carry out a distance measurement in a first measuring mode, in which the distance meter is set for distance measurement on a retroreflective target, and a second measuring mode, in which the distance meter is set for distance measurement on a diffusely scattering target. In this case, a first aperture of the receiving channel is set in the first measuring mode, which is smaller than an aperture set in the second measuring mode.

Abstract: 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.