Abstract: In a method for determining a course of lanes (L1, L2) of a road for a vehicle, a distance (D1-D3) of at least one lane boundary (B1-B3, N1-N3) of at least one lane (L1, L2) from a predetermined point of the vehicle (V) is determined (S1). Further, a course of the at least one lane boundary (B1-B3, N1-N3) is predicted (S2) based on information about a course of the road obtained from a database (DB) and based on the determined distance (D1-D3).

Abstract: A method for monitoring an AC voltage source, which is DC-decoupled from a reference potential and which generates an AC voltage between two AC voltage lines. Each of the AC voltage lines is coupled to the reference potential by way of a respective capacitive voltage divider and a respective component voltage signal is tapped at the voltage dividers and at least one root mean square value signal is generated therefrom and a check is carried out to determine whether the respective root mean square value signal meets a predetermined triggering criterion. When the triggering criterion is met, a fault signal is generated.

Abstract: A method for charging a power supply battery of a portable device by near-field communication with a base station. The method, implemented by the device, includes, the primary antenna of the base station and the secondary antenna of the device being electromagnetically coupled, the steps of modifying the coupling between the primary antenna of the base station and the secondary antenna of the device, of receiving an authentication request signal sent by the base station subsequent to the step of modifying the coupling, and of charging the power supply battery of the device from the energy of the received authentication request signal.

Abstract: A navigation system for ascertaining qualified special destinations includes: a database, which stores transport route nodes and route sections connecting the route sections and properties thereof; a route computation device; and a memory device. Special destinations stored in the database are each linked to one or more connecting nodes, for example motorway exits. Each special destination has, for each connecting node linked thereto, at least one associated first total route, connecting the special destination and the connecting node to one another, and an associated total route length. At least in the event of the first total route having a use restriction, the special destination and the connecting node also have at least one associated second total route that, at least for one restriction parameter, has lesser use restrictions.

Abstract: Some embodiments include a composite component for securing a permanent magnet inside a rotor laminated core of an electrical machine, the composite component comprising: a connecting element comprising a thermoplastic; and a permanent magnet secured inside the connecting element. The connecting element includes an outer fixing structure for securing the connecting element inside a receptacle of the rotor laminated core.

Abstract: The invention relates to a driving assistance method for a vehicle, wherein the movement of the vehicle in the direction of travel can be influenced in accordance with a traffic-controlling signal system positioned on the road in front of the vehicle and having cyclically recurring signal states, and wherein, inside the vehicle, first data relating to the position of a stop line associated with the signal system, and second data relating to the start times and end times of individual signal states of the signal system are determined via a first data processing system (electronic horizon) and provided in the form of data packets (messages) (A, B) for electronic control devices by means of a data connection inside the vehicle, and wherein individual data packets contain at least the following data: an earliest possible and/or latest possible time for the exchange of a signal phase, as well as a most probable time of the exchange of a signal phase.

Abstract: A system for detecting the operation of the motor or engine of a motor vehicle equipped with at least one tire-pressure-monitoring-system transmitter including: a low-frequency stage including a resonant stage connected in series with an antenna, a processing stage, a first switch and a second switch, the first switch being connected to at least two capacitors so as to control the parallel connection of at least one of the capacitors, the second switch being connected to at least two resistors so as to control the parallel connection of at least one of the resistors, outputs of the low-frequency stage being arranged to receive input from the processing stage, in order to transfer the perceived signal to a processor of the signal, which is configured to compare the level of the perceived signal to a preset threshold level.

Abstract: A method for exactly aligning at least two holograms arranged in optical waveguides with respect to one another includes writing a first hologram and a first mark in a first optical waveguide. The method also includes writing a second hologram and a second mark in a second optical waveguide. The method further includes positioning the first optical waveguide and the second optical waveguide with respect to one another. The method also includes illuminating the first mark and the second mark. A pattern occurring during the illumination after passing the first mark and the second mark is detected. The method further includes changing the position of one of the optical waveguides until the detected pattern matches a specified pattern.

Abstract: The disclosure relates to an optical waveguide for a display device and to a device for generating a virtual image using such an optical waveguide. The optical waveguide has two or more partial optical waveguides adapted to different wavelengths. At least one of the partial optical waveguides in this case has an optical filter. The optical filter is adapted to the wavelengths used.

Abstract: A device for generating a virtual image with stray light suppression comprises at least one light source for producing light with a specified wavelength, a display element for producing an image, and an optical waveguide for expanding an exit pupil. An aperture mask that has holes and non-transparent regions is arranged above an upper boundary surface of the optical waveguide.

Abstract: A backup power supply system that is intended to be installed in a vehicle, the system includes a backup battery, a synchronous voltage step-up circuit, a user device providing an emergency service, supplied with power under normal circumstances by the main battery of the vehicle, and under exceptional circumstances by the backup battery through the voltage step-up circuit. The voltage step-up circuit includes a coil, a first transistor and a second transistor. The system includes a backup battery discharge test circuit. The first transistor is used to draw current from the backup battery according to a predefined pattern, which makes it possible, by simultaneously measuring the voltage of the backup battery, to determine an indicator of the state of health of the backup battery.

Abstract: A method for detecting and estimating an angle of rotation on itself, about a mounting axis, of a wheel unit with an acceleration sensor, the wheel unit being associated with a tire mounted on a rim, forming a wheel, the sensor detecting a gravitational force during the rotation of the wheel, forming a sinusoid. The wheel unit is mounted on the wheel with the acceleration sensor directly or indirectly inclined with respect to a plane tangential to the rim. The angle of rotation on itself of said wheel unit and therefore of the acceleration sensor at a given instant is estimated by comparing at least one parameter of the sinusoids that are obtained for the wheel unit in an initial mounting position on the wheel and in its position at this given instant, respectively.

Abstract: In a system and a method for extrinsic calibration of an image capture apparatus of a vehicle, the vehicle includes a vehicle body and a movable part configured to rotate around a known rotation axis relative to the vehicle body. The system includes an image capture apparatus having an image capture device mounted on the vehicle body and configured to capture at least two images of the movable part, an identification unit configured to identify at least two image features in the images, a calculation unit configured to calculate a calculated direction of the rotation axis relative to the image capture device based on the image features, and a calibration unit configured to determine extrinsic parameters of the image capture apparatus based on the calculated direction of the rotation axis relative to the image capture device and the known parameters of the rotation axis relative to the vehicle.

Abstract: In the case of a black-colored object having an electromagnetic or electric field function, wherein the black-colored object is colored by means of pigments, is covered with a component colored by means of pigments, or is coated with a lacquer, wherein the lacquer includes pigments, provision is made for the pigments to be electrically non-conductive.

Abstract: A device for generating a virtual image. The device has at least one image-generating unit for producing an image and an optical waveguide for expanding an exit pupil. The optical waveguide has an output coupling region. An optical element for influencing a projection distance for at least a partial region of the virtual image is arranged adjacent to the output coupling region.

Abstract: A support for a camera on a motor vehicle, including at least a main body with a guide and a bracket element which is pivotable relative to the main body and is connected to the main body via at least one guide rail, and which extends along an extent between a first end and a second end, wherein the camera may be arranged on the second end, wherein the first end is arranged on the guide, wherein the bracket element is pivotably connected to the at least one guide rail between the first end and the second end, and wherein, when the bracket element is pivoted, the first end is displaceable along the guide and the bracket element is displaceable along the at least one guide rail.

Abstract: Some embodiments include a method of generating an environment reference model for positioning comprising: receiving multiple data sets representing a scanned environment including information about a type of sensor used and data for determining an absolute position of objects or feature points represented by the data sets; extracting one or more objects or feature points from each data set; determining a position of each object or feature point in a reference coordinate system; generating a three-dimensional vector representation of the scanned environment aligned with the reference coordinate system including representation of the objects or feature points at corresponding locations; creating links between the objects or feature points in the three-dimensional vector model with an identified type of sensor by which they can be detected in the environment; and storing the three-dimensional vector model representation and the links in a retrievable manner.

Abstract: A method for improved surroundings detection utilizing an optical sensor of a vehicle. The method includes detecting the surroundings of the vehicle and compiling a first surroundings model based on sensor data of the surroundings detecting sensor. The method also includes determining regions having low quality in the surroundings model by evaluating optical sensor data with an image evaluation device. The detectability of the regions having low quality are improved by taking a selected measure. The method also includes detecting the surroundings of the vehicle again with the optical sensor and comparing the sensor data of the optical sensor after taking the measure with the sensor data of the optical sensor prior to taking the measure. The sensor data following the measure is fused with the already existing sensor data in order to compile a second surroundings model.

Abstract: In a method of autonomously driving a subject vehicle through a narrow passage, the passage and an oncoming vehicle in the passage are sensed by sensors of the subject vehicle, and the speed of the oncoming vehicle is determined from speed data of the sensors. A reaction of the oncoming vehicle is predicted from the determined speed, and the subject vehicle is autonomously moved through the narrow passage when the predicted reaction indicates that the oncoming vehicle will not pass through or will free the narrow passage, or a right-of-way rule stored in a database accessed by the subject vehicle indicates that the subject vehicle has the right of way.

Abstract: Disclosed is a method for adapting a control signal of a control circuit for at least one injector of a combustion engine of a motor vehicle, the control signal being a voltage-pulse signal of variable frequency varying between a minimum frequency and a maximum frequency and which is characterized over a given period by its duty cycle. For a given period of the control signal, the method includes determining the start time of the given period and of detecting the first pulse in the given period from the start time and, when the duration of the detected first pulse is included in a minimum time interval beginning at the start of the given period and the duration of which is dependent on the maximum frequency, modifying the duration of the detected first pulse so that the duration becomes equal to the duration of the minimum time interval.