Abstract: A multipulse LIDAR system, including: a transmitting device for generating a transmission laser beam from a temporal sequence of single laser pulses; a receiving device with a detection surface, including a subdetector system made up of multiple subdetectors, for receiving the transmission laser beam that is reflected/scattered on objects in an observation area, the receiving device imaging a sampling point on the detection surface in the form of a pixel; a scanning device generating a scanning movement for successive sampling of the observation area along multiple sampling points situated in succession, the scanning movement to image a pixel on the detection surface, in each case shifted along the subdetector system; and a control device for determining distance information of the sampling points based on propagation times of the particular single laser pulses, the control device grouping subdetectors to form a macropixel individually associated with the particular pixel, for shared evaluation.

Abstract: A LIDAR sensor for detecting at least one object in a field of view. The LIDAR sensor includes: a transmitting unit includes a laser source; and a receiving unit having at least one detector unit for receiving secondary light that has been reflected and/or scattered in the field of view by an object. The detector unit includes a sub-detector array including a plurality of sub-detectors arranged in a first direction of extent next to each other and/or in a second direction of extent one behind another, and a processor unit that is designed to select a first group from a plurality of sub-detectors and to group it to form a first macropixel, and simultaneously to select at least one second group and to group it/them to form at least one second micropixel. The first macropixel and at least one of the second macropixels comprise at least one same sub-detector.

Abstract: A method for scanning a scan angle, in which at least one electromagnetic beam is generated, the at least one electromagnetic beam is deflected along the scan angle, and the at least one electromagnetic beam, reflected at an object, is received and detected, wherein after at least one first electromagnetic beam, at least one second electromagnetic beam is generated and the second electromagnetic beam is generated with a lower energy than the first electromagnetic beam. A LIDAR device is also disclosed.

Abstract: A method for calibrating and/or adjusting a lidar system. In the method, in order to perform a measurement-based comparison with respect to an underlying one-dimensionally or two-dimensionally detecting detector unit, a distribution of secondary light incident from the field of view and imaged onto the detector unit, and a center position and/or width of the distribution is/are acquired as position data and compared especially with presumed and/or expected position data featuring an expected center position and/or an expected distribution.

Abstract: An operating method for a LIDAR system that is operable by pulse sequence encoding and designed with a SPAD-based detector element, in which a down time of the SPAD-based detector element is detected, and in the transmission mode of the LiDAR system, a minimum time interval of transmission pulses of primary light to be transmitted in direct chronological succession is dimensioned in such a way that the minimum time interval at least approximately corresponds to the down time.

Abstract: A method for scanning solid angles is provided using at least two electromagnetic beams, at least one electromagnetic beam being generated that is subsequently deflected along a horizontal angle and/or along a vertical angle with the aid of a rotatable mirror; the solid angles being scanned using the at least one electromagnetic beam; and at least one reflected electromagnetic beam being received, after being reflected off an object, by a receiving optics that is pivotable along the horizontal angle synchronously with the mirror. Furthermore, a LIDAR device for carrying out the method is provided.

Abstract: A method for detecting objects using a LIDAR system. The method includes emitting a first light beam scanning in a scanning direction in an emission direction at a first instant, allocating a first propagation time between the first transmission instant and a first receiving instant of a first reflection of the first light beam to the emission direction, emitting in the emission direction, an angle-resolved, further light beam scanning in the scanning direction and angularly offset from the first light beam, at a second transmission instant following the first emission instant, allocating a second propagation time between the second transmission instant and a second receiving instant of a second reflection of the second light beam to the emission direction, and evaluating hits using the propagation times allocated to the emission direction.

Abstract: A LIDAR sensor for detecting an object in the surroundings and a method of the LIDAR sensor includes a light source emitting electromagnetic radiation, a micromechanical deflection mirror deflecting the emitted electromagnetic radiation by at least one angle into the surroundings, and a mirror, which includes an aperture situated on a main beam axis of the light source, deflecting onto an optical receiver received electromagnetic radiation that has been reflected from the object.

Abstract: A method for generating light pulses of a LIDAR system. The method includes the following steps: a) generating a light pulse sequence, including at least one first light pulse and one second light pulse of different intensities by a light source, in particular a laser; b) emitting the light pulse sequence by the LIDAR system; c) receiving, by the LIDAR system, a portion of the light pulse sequence reflected by an object; d) evaluating the received portion of the light pulse sequence for measuring distance. A corresponding LIDAR system, a computer program and a machine-readable memory medium are also described.

Abstract: A method for evaluating optical reception signals. The method includes: emitting multiple optical emission signals for reception as optical reception signals, the respective emission signals being emitted equidistantly varying; receiving optical reception signals; associating the respective received optical reception signals with the multiple optical emission signals; evaluating the received optical reception signals as a function of the respective maximum values of the associated optical reception signals.

Abstract: The invention relates to a monitoring device (1) of a LIDAR system (2), including a detector (5) for detecting laser light and for generating a reference signal (100) from the laser light, and a control loop (6) for minimizing a difference between an amplitude of the reference signal (100) and an amplitude of an actuating signal (200) by varying the actuating signal (200).

Abstract: A time-to-digital converter includes a self-calibrating, n-stage chain of a number n of gate delay elements connected in parallel and series between a clock signal line for supplying a clock signal and a stop signal line for supplying a stop signal; and a charge-pump and phase-detector unit for the feedback control of the gate delay elements, having a first input as a controlled-variable input, a second input as a reference-variable input, and an output as a correcting-variable output. The clock signal line is connected to the first input of the charge-pump and phase-detector unit, a push-pull line for supplying a push-pull signal is connected to the second input, and, for feedback, the gate delay elements are connected to the output of the charge-pump and phase-detector unit.

Abstract: A CCD photodetector and an associated method for operation. A CCD photodetector for LIDAR systems is described, including a shift register including a plurality of consecutively situated register cells, including a first register cell and a last register cell, a loading line for loading the shift register, and a read-out amplifier for unloading the shift register, the loading line and the read-out amplifier each being connected to the first register cell. A corresponding method for operating a CCD photodetector is also described.

Abstract: A field-effect transistor system is provided that comprises a field-effect transistor having a back-gate terminal that can be adjusted by a back-gate voltage, a gate-source voltage and a drain-source voltage additionally being present at the field-effect transistor, and a drain current flowing through the field-effect transistor. In addition, the field-effect transistor system includes a control unit connected to the back-gate terminal, which unit is set up to set the drain current flowing through the field-effect transistor to a setpoint current via a controlling of the back-gate voltage at the back-gate terminal, the controlling of the back-gate voltage taking place as a function of at least the gate-source voltage. In addition, a method is provided for setting a drain current of a field-effect transistor.

Abstract: A LIDAR sensor for optically detecting a field of vision. The LIDAR sensor includes a transmitting unit including a laser pattern generation unit, the laser pattern generation unit being designed to generate an illumination pattern in the field of vision; a receiving unit including at least one detector unit for receiving secondary light which was reflected and/or scattered by an object in the field of vision; the at least one detector unit including a plurality of pixels, and at least some pixels in each case including a multitude of activatable single-photon avalanche diodes; at least one rotor unit rotatable about a rotation axis, the transmitting unit and the receiving unit being at least partially situated on rotor unit. The LIDAR sensor furthermore includes at least one linker, which is designed to link detection signals of at least two single-photon avalanche diodes of a pixel via a combinational logic.

Abstract: A LiDAR system and a method for ascertaining a system state of a LiDAR system, includes an optical source, a mirror, a partially transparent element, a detector array and an evaluation unit. The optical elements of the LiDAR system are arranged so that a component of the light beam is reflected by the partially transparent element onto the detector array. The evaluation unit is configured to receive a detector signal from the detector array, which describes a dimension, shape and/or position of the second component of the light beam projected on the detector array, and to ascertain from the detector signal a system state of the LiDAR system.

Abstract: A multipulse LIDAR system, including: a transmitting device for generating a transmission laser beam from a temporal sequence of single laser pulses; a receiving device with a detection surface, including a subdetector system made up of multiple subdetectors, for receiving the transmission laser beam that is reflected/scattered on objects in an observation area, the receiving device imaging a sampling point on the detection surface in the form of a pixel; a scanning device generating a scanning movement for successive sampling of the observation area along multiple sampling points situated in succession, the scanning movement to image a pixel on the detection surface, in each case shifted along the subdetector system; and a control device for determining distance information of the sampling points based on propagation times of the particular single laser pulses, the control device grouping subdetectors to form a macropixel individually associated with the particular pixel, for shared evaluation.

Abstract: A lidar sensor, especially for motor vehicles, having a light source, a movable deflection mirror for producing a scanning beam that sweeps across a monitored space by deflecting a light beam emitted by the light source, and having an optical receiver for detecting light reflected by an object hit by the scanning beam in the monitored space. The light source and the deflection mirror are adapted for using the deflected light beam to scan an array of micro-optical elements, each of which, in response to being impinged upon by this light beam, widens it into a divergent beam; and, configured at a distance from the array of micro-optical elements, is a light-concentrating element that transforms the divergent beam into a beam which forms the scanning beam and whose beam diameter is larger than that of the deflected beam.

Abstract: An operating method for a LIDAR system that is operable by pulse sequence encoding and designed with a SPAD-based detector element, in which a down time of the SPAD-based detector element is detected, and in the transmission mode of the LiDAR system, a minimum time interval of transmission pulses of primary light to be transmitted in direct chronological succession is dimensioned in such a way that the minimum time interval at least approximately corresponds to the down time.

Abstract: A field-effect transistor system is provided that comprises a field-effect transistor having a back-gate terminal that can be adjusted by a back-gate voltage, a gate-source voltage and a drain-source voltage additionally being present at the field-effect transistor, and a drain current flowing through the field-effect transistor. In addition, the field-effect transistor system includes a control unit connected to the back-gate terminal, which unit is set up to set the drain current flowing through the field-effect transistor to a setpoint current via a controlling of the back-gate voltage at the back-gate terminal, the controlling of the back-gate voltage taking place as a function of at least the gate-source voltage. In addition, a method is provided for setting a drain current of a field-effect transistor.