Abstract: A radar sensor for motor vehicles has a transmitting antenna in the form of a planar array antenna having a plurality of juxtaposed antenna elements, and a supply network for supplying microwave power to the antenna elements, wherein the supply network is developed to supply the antenna elements with the microwave power having a phase shift increasing at constant increments from one end of the row to the other.

Abstract: A radar sensor for motor vehicles includes a plurality of transmission and receiving antennas, which differ in their azimuthal directivity characteristic and to which a separate mixer is assigned, which mixes a transmitted signal with a received signal, at least one of the mixers being a transfer mixer, and at least one other of the mixers having a lower transfer output, wherein the assignment of the transmission and receiving antennas is asymmetrical with respect to the mixers differing in their transfer output.

Abstract: Radar sensor for motor vehicles, including a transmitting antenna in the form of a planar array antenna having multiple adjacent antenna elements, and including a power supply system for supplying the antenna elements with microwave power. The power supply system is designed for supplying each pair of directly adjacent antenna elements with microwave power in phase opposition.

Abstract: A combination of a radar sensor and a trim component, which are to be mounted on a motor vehicle so that the trim component is penetrated by microwaves of the radar sensor, the trim component including at least one layer, which reflects a portion of the microwaves, the trim component including an additional layer, which is configured based on thickness and dielectric constant to reduce the reflection.

Abstract: A radar sensor for motor vehicles, having a source of radar radiation and a lens, which is situated in front of the source, is made of a material that refracts radar radiation and has a convex surface on at least one side, wherein the convex surface has a greater curvature in elevation than in azimuth.

Abstract: A semiconductor module has: an integrated circuit, which includes at least one oscillator for generating a radar signal; a rewiring layer for the external connection of the integrated circuit; and at least two antenna structures integrated into the semiconductor module for transmitting and/or receiving radar signals, at least one of the at least two antenna structures being connected to the integrated circuit, and at least one first one of the antenna structures being embedded in a housing material of the semiconductor module outside a height region of the rewiring layer.

Abstract: The invention relates to a radar sensor including a radar antenna, a radar lens and a funnel element between the radar antenna and the radar lens. The funnel element includes a material which absorbs the radar radiation emitted by the radar antenna.

Abstract: A circuit configuration for radar applications having a printed board and semiconductor modules mounted on it, each of the semiconductor modules including an integrated circuit, a rewiring layer for connecting the integrated circuit to the printed board and at least one antenna element integrated into the semiconductor module and connected to the integrated circuit for transmitting and/or receiving radar signals, the integrated circuit including at least one HF oscillator and a frequency splitter connected to the HF oscillator, the circuit configuration including phase-locked loops for controlling the HF oscillators, each of the phase-locked loops having the frequency splitter and a phase detector for comparing a split-frequency signal of the HF oscillator with a reference signal, and the reference signals may be fed to the phase-locked loops via the printed board.

Abstract: FMCW radar sensor for motor vehicles, having at least one antenna element and a modulation device for feeding the antenna element using a frequency-modulated transmission signal, whose frequency periodically sweeps a frequency band, characterized in that the antenna element has multiple subelements, which are positioned in a vertical column and fed serially, and the modulation device is implemented for the purpose of variably setting the frequency position of the frequency band.

Abstract: Radar sensor having a mixer for mixing a received signal with a reference signal and having a device for compensating interference signals which would overload the mixer, wherein the device for compensating the interference signals has an adjustable reflection point at the reference input of the mixer.

Abstract: An angle-resolving radar sensor for motor vehicles having multiple antenna elements and multiple receive channels, at least two antenna elements connected to the same receive channel together having a directional characteristic having at least two main lobes having different primary sensitivity directions.

Abstract: In a multibeam radar sensor apparatus having at least two transmission/reception channels, whose signal paths each include an antenna and a mixer, at least one first mixer is configured bidirectionally as a transfer mixer, and at least one second mixer is switchable from a first into a second operating state; in the first operating state, the mixer is bidirectionally configured as a transfer mixer, and in the second operating state, the mixer being configured in an at least approximately isolating manner as a receiving mixer.

Abstract: A radar system for motor vehicles has at least two radar sensors for emitting and receiving radar radiation for monitoring the surroundings of the motor vehicle, the at least two radar sensors being each positioned at an angle between 40 degrees and 50 degrees to an axis, and the at least two radar sensors being configured in such a way that the respective antenna has a pivotable visual range of an angle between at least ?60 degrees and +60 degrees, in particular between ?45 degrees and +45 degrees, relative to the main emission direction of the respective radar sensor.

Abstract: A radar sensor for motor vehicles, having an antenna system that can be controlled by a control device so that it has a temporally varying directional characteristic, and having an evaluation device for evaluating the radar echoes received by the antenna system and for the location of objects using angular resolution, wherein the antenna system has at least two groups of antenna elements that differ in elevation in their effective direction, and the control device is fashioned to activate and deactivate the two groups in periodically alternating fashion, and the evaluation device is configured to estimate the elevation angle of the objects on the basis of a contrast between the radar echoes received by the various groups.

Abstract: Radar sensor for motor vehicles, including a transmitting antenna in the form of a planar array antenna having multiple adjacent antenna elements, and including a power supply system for supplying the antenna elements with microwave power. The power supply system is designed for supplying each pair of directly adjacent antenna elements with microwave power in phase opposition.

Abstract: A radar sensor for motor vehicles, having a transmitting antenna in the form of a planar group antenna having multiple antenna elements situated side by side on a shared planar substrate, and having a feed network and a switching device for supplying microwave power to the antenna elements. The antenna elements are situated at equal distances in at least one row; the feed network is designed for supplying the antenna elements with the microwave power having a phase shift which increases at constant increments from one end of the row to the other; and the switching device is designed for controlling the supply of the microwave power to the antenna elements in such a way that, depending on the operating mode, the supply is implemented in a mirror-inverted fashion from opposite ends of the at least one row.

Abstract: A radar sensor for motor vehicles has a transmitting antenna in the form of a planar array antenna having a plurality of juxtaposed antenna elements, and a supply network for supplying microwave power to the antenna elements, wherein the supply network is developed to supply the antenna elements with the microwave power having a phase shift increasing at constant increments from one end of the row to the other.

Abstract: An array antenna for radar sensors has a supply line, a plurality of antenna elements each connected to the supply line via a feed line, and circuit elements for distributing power to the antenna elements, in which the supply line is made reflective at one end and the circuit elements for power distribution are situated exclusively in the feed lines.

Abstract: A planar array antenna for radar sensors includes: a plurality of base antenna elements situated in a common plane on a printed circuit board; and additional antenna elements, which are situated in an offset plane, in each case over one of the base antenna elements. Each additional antenna element is situated individually on an associated carrier, and the printed circuit board is equipped with the individual carriers.

Abstract: A radome for a radar sensor in a motor vehicle. The radome includes a first region, which is permeable to at least one specific type of electromagnetic waves, in particular radar waves, and a second region, which includes a shield, so that the second region is impermeable to the specific type of electromagnetic waves. Also, a radar sensor is described.