Abstract: A method and system for digital authentication is disclosed, in which an owner device associated with a smart lock receives identity information of a user device requesting access to the smart lock. The owner device registers first contract information of the smart contract, for granting access of the smart lock to the user device, on a decentralized trust network, and sends second contract information about the smart contract to the user device. The second contract information comprises validation information of the smart contract indicating an un-validated information of the second contract information. The user device validates the received second contract information against the first contract information on the decentralized trust network, and authenticates the user device with the smart lock using the validated second contract information.

Abstract: A lighting device for a motor vehicle, wherein the lighting device comprises a printed circuit board having a plurality of light-emitting diodes arranged thereon, an optical disk and a reflector element, wherein the reflector element is arranged between the circuit board and the optical disk, wherein the reflector element has a plurality of segments into which the reflector element is divided, wherein each light-emitting diode is assigned a segment so that light emitted from the LEDs is reflected at the reflector element and passes through the optical disk.

Abstract: A lighting device for a motor vehicle, comprising a light source from which light is emitted during operation of the lighting device, a rod-shaped light guide which has a light entry surface on an end face for the light emitted from the light source and a light exit surface from which, during operation of the lighting device, the light which has entered through the light entry surface exits at least partially. The lighting device is set up to serve as a direction indicator, and wherein the lighting device comprises a controllable cover which is arranged at least partially in front of the light exit surface such that, during operation of the lighting device, at least a portion of the light exiting from the light exit surface enters an entry surface of the cover and exits from an exit surface of the cover.

Abstract: A method and an apparatus for monitoring a low-pass filter, preferably a capacitor in a low-pass filter, a battery management system and a battery are provided. The apparatus includes a switch connected in series with a resistor, and a capacitor connected in parallel with the resistor. When the switch carries out a switching operation, the voltage changes within a very short time from a first to a second voltage value. A voltage detection device measures the voltage during switching and at at least one further point in time, 0.5 to 5 milliseconds later. Determining the speed at which the voltage changes from the first voltage value to the second voltage value makes it possible to determine whether the capacitor is functional and/or makes it possible to determine the resistance. Determining the internal resistance of a battery cell also makes it possible to determine the state of charge of a battery.

Abstract: A lighting device for a motor vehicle having at least one first module and at least one second module and is set up to produce light with a second color different from a first color of the first module in operation of the lighting function. A shared at least partially transparent cover for the at least one first and the at least a second module is designed such that the light emitted by the respective module can escape through the cover from the lighting device. An LC display is arranged between the at least one first module and the cover and is set up to be controlled such that at least part of the light emitted by the first module enters an inlet surface of the LC display and exits from an exit surface of the LC display at least partially in the direction of the cover.

Abstract: An optical device is provided for a distance measurement device according to the LIDAR principle. At least one light source is provided, along with a first means of deflection that during operation of the device deflects light emitted by the at least one light source into a first angle range. A second means of deflection is also provided that during operation of the device deflects the light emitted from the first means of deflection into a second angle range which is larger than the first angle range. Finally, an optical means is provided that influences the light in such a way that it hits the second means of deflection as convergent light.

Abstract: A thermal management system for an electric vehicle, having a control unit, a battery circuit connected to a drive battery of the electric vehicle, a drive circuit connected to an electric drive of the electric vehicle or to a power electronics for an electric drive, and an air conditioning circuit connected for heat transfer to a vehicle interior of the electric vehicle. The battery circuit and the drive circuit are each operable with a coolant and can be connectable from one another for transfer of coolant by an actuatable coolant valve. The air conditioning circuit can be operated with a refrigerant different from the coolant. A heat transfer connection between the battery circuit and/or the drive circuit on the one hand and the air conditioning circuit on the other hand can be established or separated by at least one heat exchange device of the thermal management system.

Abstract: A method for displaying a horizontal distance of a motor vehicle from a lane boundary, comprising the following steps: determining the horizontal distance of the motor vehicle from the lane boundary; and projecting a numerical value by means of a headlight of the motor vehicle, wherein the numerical value depends on the determined horizontal distance, or projecting a marking, wherein a width of the marking depends on the determined horizontal distance.

Abstract: A pump, in particular for a fluid circuit in a vehicle, for example a coolant pump with a multi-part housing that has a pump chamber, wherein an impeller is arranged in the pump chamber, wherein the pump chamber is bounded by a pump housing and a further housing part of the multi-part housing, wherein the pump housing and the further housing part each have a flange surface that rest against one another, and wherein one of the two flange surfaces has at least one annular groove and the other of the two flange surfaces has at least one circumferential web which engages in the annular groove.

Abstract: A device for producing an edge-lit-hologram having a light source, in particular a laser light source, for generating a light beam, optical splitter for splitting the light beam generated by the light source into an object beam and a reference beam, imprinter for imprinting computer-generated information pertaining to the edge-lit-hologram to the object, optics for overlapping the object beam and the reference beam on or in a photosensitive recording medium for imprinting the edge-lit-hologram, where the optics include at least one transparent body through which the reference beam enters the photosensitive recording medium during operation of the device. The at least one transparent body shaped and disposed in the device such that the reference beam enters the body at an angle of less than 10° to the normal on the surface of the body or enters the body perpendicular to the surface of the body.

Abstract: A subassembly for a vehicle, having a housing with a first housing part and a rotational body which is rotatably arranged on the first housing part about a rotational axis when the subassembly is in the installed state, wherein the axial position of the rotational body relative to the first housing part is fixed by the first housing part when the subassembly is in the installed state. In order to improve a subassembly for a vehicle and a vehicle equipped therewith, the invention proposes that the axial position of the rotational body relative to the first housing part is fixed solely by the first housing part when the subassembly is in the installed state.

Abstract: A lighting apparatus for vehicles, having a light source and a headlamp lens assigned thereto. The headlamp lens has scattering optical elements for scattering the light. A light guide is disposed between the light source and the headlamp lens in such a way that, firstly, light emitted by the light source strikes an area of the headlamp lens delimited by an edge of the same or a portion of the headlamp lens and/or that, secondly, the plurality of light sources are disposed with different spatial orientations with respect to one another in terms of their principal axes such that the light emitted by the light sources strikes different portions of the headlamp lens, wherein the headlamp lens is disposed upstream and/or downstream of the light source in the principal emission direction for the purposes of scattering the light in a transmissive or reflective manner.

Abstract: An inductive position sensor including a stator element having an exciter coil to which a periodic alternating voltage is applied and having a receiving system, wherein the signal of the exciter coil is inductively coupled into the receiving system. A rotor element influences the strength of the inductive coupling between the exciter coil and the receiving system according to its angular position relative to the stator element. An evaluation circuit determines the angular position of the rotor element relative to the stator element from the voltage signals induced in the receiving system. The position sensor has an unambiguous range E, in which the angular position can be unambiguously determined. The receiving system extends over a first angular range, wherein the first angular range is N1=n*E where n?1, and the exciter coil extends over a second angular range, wherein the second angular range is N2=m*E where m?2.

Abstract: An inductive position sensor, having a first stator element that comprises a first excitation coil, to which a periodic alternating voltage is applied, and also comprises a first receiving system, wherein the signal from the first excitation coil couples inductively into the first receiving system. A first rotor element influence the strength of the inductive coupling between the first excitation coil and the first receiving system as a function of its angular position relative to the first stator element. A metal element and the first rotor element are arranged on a shaft in a rotationally fixed manner. An evaluation circuit determines the angular position of the first rotor element relative to the first stator element from the voltage signals induced in the first receiving system. The first rotor element and the metal element are each designed as a conductor loop with a periodic geometry.

Abstract: A lighting device for vehicles having a light source apparatus for emitting light, having an optical apparatus, which contains a lens arrangement with a multiplicity of lenses, for deflecting the light in accordance with a specified light distribution, and having a positioner for adjusting a lens along an optical axis of the lens arrangement, wherein the positioner is implemented as an apparatus for setting basic scatter width in such a manner that light can be projected in different scatter widths for a specified basic lighting function.

Abstract: A fan system for a headlight of a motor vehicle, wherein the fan system comprises a fan mount which is designed to be fastened to a housing of the headlight and comprises at least two bayonet guides and comprises a fan which comprises at least two bayonet elements, wherein the bayonet guides and the bayonet elements form a bayonet joint by means of a plug-in movement of the fan into the fan mount in an axial direction and a rotational movement of the bayonet elements into the bayonet guides in a rotational direction, wherein each of the bayonet guides is formed between a main body of the fan mount and a bayonet arm of the relevant one of the bayonet guides, wherein each of the bayonet arms is fastened to the main body and is spaced apart from the main body in a direction counter to the axial direction.

Abstract: An apparatus for identifying a weather condition in surroundings of a vehicle, which includes an illuminating unit for illuminating the surroundings, a control unit for controlling the illuminating unit, an image capturing unit for capturing image information of the surroundings, an evaluation unit for evaluating the image information, image data provided by the image capturing unit being compared with predefined reference image data, each characterizing different weather conditions, and a weather condition signal being generated, depending on a match of the comparison, the control unit including a pulse modulation device, with the aid of which the illuminating unit is controlled in such a way that the illuminating unit emits pulsed light signals

Abstract: A primary optic for a headlamp of a motor vehicle is provided. The primary optic is a multi-component injection molding comprising at least two injection molded photometrical components coupled to each other, whereby the at least two photometrical components are arranged to consecutively receive light emitted by a light source.

Abstract: The invention concerns a method for producing an optical lens element, in particular for illumination purposes, in particular for producing a headlight lens for a vehicle headlight, in particular for a motor vehicle headlight (10), wherein a pre-lens element (42, 43) is injection molded using at least one mold by heating liquefied transparent plastic, wherein the pre-lens element (42, 43) being cooled in such a way that the plastic solidifies, and at least one optically effective surface of the pre-lens element (42, 43) then being heated in such a way that the plastic on the optically effective surface can be shaped, in particular up to a depth of not more than 1000 micrometers, wherein the pre-lens element (42, 43) is pressed with the optically effective surface in a final contour mold to form the lens element.

Abstract: A rivet sleeve of a blind rivet for connecting at least one die-head-side component to a closing-head-side component, the rivet sleeve having a sleeve shank including a sleeve shank end. An elastic sleeve die head is arranged at an end of the sleeve shank opposite the sleeve shank end for ensuring a minimum clamping force between at least the die-head-side component and the closing-head-side component in a closed state of the blind rivet, the sleeve die head. The sleeve die head extend around the sleeve shank radially around the extension axis of the sleeve shank. At least two recesses spaced a distance apart in the lateral surface of the sleeve die head.