Abstract: A multiband loop antenna includes a first, electrically conductive, L-shaped partial structure on a first layer of a printed circuit board. The first partial structure has a first resonant frequency and a feed point of the antenna. The multiband loop antenna includes a second, electrically conductive, L-shaped partial structure on the first layer of the circuit board. The second partial structure is configured for a second resonant frequency. The first partial structure and the second partial structure are capacitively coupled to one another in a coupling region. The multiband loop antenna includes an electrically conductive first reference region. The first partial structure and the second partial structure are disposed on the first layer of the circuit board in such a way that they form a loop together with the first reference region. A household appliance including a communication unit having the multiband loop antenna is also provided.

Abstract: A system includes an essentially metallic body. A sensor device is inserted into a clearance in the metallic body, the sensor device including a sensor unit, an antenna unit, and a ground potential. The antenna unit is electrically connected to the ground potential, which is electrically connected to the metallic body.

Abstract: A system includes an essentially metallic body. A sensor device is inserted into a clearance in the metallic body, the sensor device including a sensor unit, an antenna unit, and a ground potential. The antenna unit is electrically connected to the ground potential, which is electrically connected to the metallic body.

Abstract: A module for wireless communication includes: a module body which (i) is plate-shaped, has (ii) a structure having a plurality of layers, and (iii) has a circuit region; and a folded dipole which is situated circumferentially around the circuit region and has a first dipole half situated in a first level of the module body, and a second dipole half situated in a second level of the module body. The first dipole half and the second dipole half are separated by a layer of the module body, and are connected to one another in electrically conductive fashion through a first via and a second via extending through the layer.

Abstract: A semiconductor module, having an integrated circuit, a rewiring layer for externally connecting the integrated circuit, and at least one waveguide integrated into the semiconductor module for radar signals having a conductive pattern, which laterally surrounds the interior of the waveguides, the integrated circuit and the at least one waveguide being embedded, at least in regions, in a housing material of the semiconductor module; as well as a radar sensor, a motor vehicle radar system having such a semiconductor module, and a method for producing a semiconductor module.

Abstract: A module for wireless communication includes: a module body which (i) is plate-shaped, has (ii) a structure having a plurality of layers, and (iii) has a circuit region; and a folded dipole which is situated circumferentially around the circuit region and has a first dipole half situated in a first level of the module body, and a second dipole half situated in a second level of the module body. The first dipole half and the second dipole half are separated by a layer of the module body, and are connected to one another in electrically conductive fashion through a first via and a second via extending through the layer.

Abstract: A semiconductor module, having an integrated circuit, a rewiring layer for externally connecting the integrated circuit, and at least one waveguide integrated into the semiconductor module for radar signals having a conductive pattern, which laterally surrounds the interior of the waveguides, the integrated circuit and the at least one waveguide being embedded, at least in regions, in a housing material of the semiconductor module; as well as a radar sensor, a motor vehicle radar system having such a semiconductor module, and a method for producing a semiconductor module.

Abstract: In an antenna, e.g., for radar signals, a substrate carries two pairs of diametrically opposed antenna elements, first diametrically opposed antenna elements being oriented in a direction that considerably deviates from the direction of second diametrically opposed antenna elements, e.g., by 90°, and the first and second diametrically opposed antenna elements each lying symmetrically with respect to the point of intersection of their orientation directions.

Abstract: A radar device has an antenna as well as a switching module, the switching module being designed to set an electric signal to be provided to the antenna in such a way that, depending on the switching, the antenna either emits a continuous modulated radar signal for a long range or a pulsed modulated radar signal for a short range.

Abstract: A method and a device for adaptively controlling power in a radar device having a radar transmitter and a radar receiver are provided, in particular for applications in vehicles. The radar signals are emitted, and radar signals reflected off of target objects are received and checked for irregularities. The transmitting power of the radar transmitter is reduced when irregularities occur which are attributable to interference caused by neighboring radar transmitters.

Abstract: The current invention provides a high-frequency signal transmitter with: a first strip line (10) on the surface of a dielectric substrate (11) for producing a signal; a second strip line (16) in the dielectric substrate (11) for the coupling-out and/or coupling-in of a high-frequency signal; a first interfacial connection device (15) in the substrate (11) for producing a conductive connection between the first and second strip line (10; 16); a first solid surface (12) essentially parallel to the microstrip line (10) and serving as a lower boundary surface of the substrate (11) in the vertical direction for producing a shielding; a second solid surface (18) essentially parallel to the first solid surface (12) and disposed at least in the region above the second strip line (16) on the substrate (11) for producing a shielding; a coupling opening (17) in the second solid surface (18) for radiating high-frequency energy; a planar coupling device (19) above and essentially parallel to the coupling opening (17); and

Abstract: A method and a device for adaptively controlling power in a radar device having a radar transmitter and a radar receiver are provided, in particular for applications in vehicles. The radar signals are emitted, and radar signals reflected off of target objects are received and checked for irregularities. The transmitting power of the radar transmitter is reduced when irregularities occur which are attributable to interference caused by neighboring radar transmitters.

Abstract: In order to produce a planar antenna array in a radar sensor with a multitude of microstrip feeder lines and a multitude of coupling slots for emitting microwave energy into open space, which achieves a favorable antenna efficiency when embodied in a planar design using LTCC technology, the invention proposes embodying the feeder lines and the coupling slots in a multilayer ceramic substrate produced by means of the LTCC thick layer technique with an upper and a lower grounded layer, as well as enclosing the feeder lines and the coupling slots with plated-through contacts from the upper grounded layer to the lower one.

Abstract: The current invention provides a high-frequency signal transmitter with: a first strip line (10) on the surface of a dielectric substrate (11) for producing a signal; a second strip line (16) in the dielectric substrate (11) for the coupling-out and/or coupling-in of a high-frequency signal; a first interfacial connection device (15) in the substrate (11) for producing a conductive connection between the first and second strip line (10; 16); a first solid surface (12) essentially parallel to the microstrip line (10) and serving as a lower boundary surface of the substrate (11) in the vertical direction for producing a shielding; a second solid surface (18) essentially parallel to the first solid surface (12) and disposed at least in the region above the second strip line (16) on the substrate (11) for producing a shielding; a coupling opening (17) in the second solid surface (18) for radiating high-frequency energy; a planar coupling device (19) above and essentially parallel to the coupling opening (17); and

Abstract: In order to produce a planar antenna array in a radar sensor with a multitude of microstrip feeder lines (18) and a multitude of coupling slots (20) for emitting microwave energy into open space, which achieves a favorable antenna efficiency when embodied in a planar design using LTCC technology, the invention proposes embodying the feeder lines (18) and the coupling slots (20) in a multilayer ceramic substrate (10) produced by means of the LTCC thick layer technique with an upper and a lower grounded layer (12), as well as enclosing the feeder lines (18) and the coupling slots (20) with plated-through contacts (14) from the upper grounded layer to the lower one.

Abstract: A device for data transmission in a motor vehicle and/or from a motor vehicle in its vicinity includes a first transceiver unit in or on the motor vehicle and a second transceiver unit. which is provided in at least one transponder unit whose spatial position relative to the vehicle may be variable or any desired position. In the first transceiver unit is a radar unit equipped for distance measurement, expanded by adding a two-channel data transmission system. The second transceiver unit is also a two-channel data transmission unit, and the microwave frequencies for two-channel communication of the data transmission system are selected so that their difference yields an intermediate frequency which is processable using conventional components in a heterodyne receiver in the reception part of each of the first and second transceiver units.

Abstract: A device for data transmission in a motor vehicle and/or from a motor vehicle in its vicinity has a first transceiver unit (1) in or on the motor vehicle and a second transceiver unit (2) which is provided in at least one transponder unit whose spatial position relative to the vehicle may be variable or any desired position; it is characterized in that the first transceiver unit (1) is a radar unit equipped for distance measurement, expanded by adding a two-channel data transmission system; the second transceiver unit (2) is also a two-channel data transmission unit, and the microwave frequencies (f1, f2) for two-channel communication of the data transmission system are selected so that their difference |f1-f2| yields an intermediate frequency (fIF) which is processable using conventional components in a heterodyne receiver in the reception part of each of the first and second transceiver units (1, 2).

Abstract: A device is proposed for ascertaining distance and transmitting data in a motor vehicle. It has a transmitting arrangement for generating and emitting a radar signal. A receiving arrangement receives a radar signal. It is characterized in that switchover arrangements are provided which cause the transmitting and/or receiving arrangement to operate either in a radar operating mode for detecting the distance and/or speed of a further object, or in a data-exchange operating mode for the exchange of data with a transceiver. Specific functions are enabled in dependence on the data exchange.