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: An antenna arrangement for vehicle-to-vehicle communication includes at least two antenna transmitters each having a unidirectional directional diagram. The antenna transmitters are positioned in such a manner that a combination of the unidirectional directional diagrams of the antenna transmitters generates a largely omnidirectional directional diagram by way of a method for transmitting and/or receiving.

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.

Abstract: A transmitting device for electromagnetic radiation includes a waveguide having an input for coupling an electromagnetic wave into the waveguide, and multiple openings in the waveguide for emitting the electromagnetic wave. A controllable closure element is provided for selectively closing at least one of the openings with respect to the electromagnetic radiation.

Abstract: The present invention provides an integrated lab-on-a-chip device for carrying out a nucleic acid extraction process on a fluid sample containing cells and/or particles, the device comprising: (a) a sample inlet (1) for loading of a fluid sample, (b) a lysis unit (4) for lysis of cells and/or particles present in the fluid sample, (c) a reservoir of lysis fluid (7) for the lysis unit, (d) a nucleic acid extraction unit (5) downstream of the lysis unit, and (e) reservoirs of first washing buffer and eluant fluid (8, 9, 10) for the nucleic acid extraction unit, wherein the device further comprises (f) a mixing unit (6) downstream of the nucleic acid extraction unit, and (g) a source of mixing fluid (11) for the mixing unit. The reservoirs of lysis fluid, first washing buffer and eluant fluid may be provided parallel to one anther so that they may be actuated by a single pump.

Abstract: An FMCW radar locating device includes a transmitting device having a controllable transmitting-signal-generating device generating a transmitting signal having a frequency corresponding to an input control signal; a control device connected to the transmitting-signal-generating device and generating the input control signal which controls the transmitting signal such that it rises periodically in a discontinuous, inconsistent linear fashion in first frequency segments, and drops periodically in a discontinuous, inconsistent linear fashion in second frequency segments; and a receiving device for receiving an echo signal reflected by an object and locating an object based on the received echo signal.

Abstract: A radar sensor including an antenna array having multiple antenna elements situated next to one another and at least one feeding point at an outer antenna element. The antenna elements are connected in series via delay lines. The radar sensor has at least two transmitting and receiving units which are each suitable for generating and evaluating a radar signal at a predefined frequency. The at least two transmitting and receiving units are connected to a feeding point of the antenna array. The frequencies of the radar signals of the at least two transmitting and receiving units are predefinable independently of one another.

Abstract: Radar sensor for motor vehicles, having a transmitting and receiving device for microwaves, in which beam-shaping devices which are independent of one another are provided for the azimuth and the elevation, and the beam-shaping device for the elevation has a cylindrical lens.

Abstract: In a disk monopole antenna structure, a semicircular region is provided, as well as an oppositely disposed, second frame-type region, which faces away from the semicircular region and forms a cut-out in the antenna structure.

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: An antenna has an antenna body having a plurality of first antenna elements, which are disposed along a first straight line. A hollow conductor, which extends between the first antenna elements, is disposed in the antenna body. The first antenna elements are developed as openings running between the hollow conductor and a surface of the antenna body. The antenna is designed to radiate a signal in a spatial direction that is a function of a frequency of the signal. The antenna body has an electrically insulating material that is coated with a conductive material.

Abstract: A chip for performing and measuring chemical reactions, interactions (bonds), and/or conformational changes, especially fast chemical reactions and processes. The chip includes a base plate, which is made of a polymer material that is transparent at least in the measuring zone, and having. fluid ducts parallel to the plane of the base plate and includes at least two reagent feeders leading into a mixer structure that has a number of inlets corresponding to the number of reagent feeders and an outlet leading into a mixing section, the outlet of the mixing section leads into a measuring section, the outlet of the measuring section is connected to a discharge section, the discharge section leads out of the base plate or into a reservoir that is arranged on the chip, and pressure conduits lead into the reagent feeders at a distance from the mixer structure.

Abstract: An antenna has an antenna body having a plurality of first antenna elements situated along a first straight line. The antenna body includes a first conductive grounded surface and a second conductive grounded surface, the first and second grounded surfaces being situated essentially parallel to one another. A dielectric is situated between the first and second grounded surfaces. A signal conductor is also situated between the first and second grounded surfaces. The first antenna elements are designed as apertures situated above the signal conductor in the first grounded surface. Furthermore, the antenna is designed to emit a signal in a direction in space, depending on a frequency of the signal. At least two of the first antenna elements differ from one another in such a way that their power emissions are different.

Abstract: In an antenna structure having a plurality of serially fed patch elements, at least one of the patch elements has a slot coupling to the continuation of the feed line for influencing the radiation of this patch element.

Abstract: A push-pull capacitive micromechanical ultrasound transducer (CMUT) is provided for ultrasound imaging or therapy. Gaps and electrodes on both sides of an electrostatic membrane provide push-pull operation. The membrane is oriented to flex in a direction of acoustic propagation. A surface connected to the membrane may better expose the movement to the acoustic medium even in the push-pull arrangement.

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: The present invention provides an integrated lab-on-a-chip device for carrying out a nucleic acid extraction process on a fluid sample containing cells and/or particles, the device comprising: (a) a sample inlet (1) for loading of a fluid sample, (b) a lysis unit (4) for lysis of cells and/or particles present in the fluid sample, (c) a reservoir of lysis fluid (7) for the lysis unit, (d) a nucleic acid extraction unit (5) downstream of the lysis unit, and (e) reservoirs of first washing buffer and eluant fluid (8, 9, 10) for the nucleic acid extraction unit, wherein the device further comprises (f) a mixing unit (6) downstream of the nucleic acid extraction unit, and (g) a source of mixing fluid (11) for the mixing unit. The reservoirs of lysis fluid, first washing buffer and eluant fluid may be provided parallel to one anther so that they may be actuated by a single pump.

Abstract: An FMCW radar locating device includes a transmitting device having a controllable transmitting-signal-generating device generating a transmitting signal having a frequency corresponding to an input control signal; a control device connected to the transmitting-signal-generating device and generating the input control signal which controls the transmitting signal such that it rises periodically in a discontinuous, inconsistent linear fashion in first frequency segments, and drops periodically in a discontinuous, inconsistent linear fashion in second frequency segments; and a receiving device for receiving an echo signal reflected by an object and locating an object based on the received echo signal.

Abstract: Radar sensor for motor vehicles, having a transmitting and receiving device for microwaves, in which beam-shaping devices which are independent of one another are provided for the azimuth and the elevation, and the beam-shaping device for the elevation has a cylindrical lens.

Abstract: A monostatic multi-beam radar sensor for motor vehicles, having a group antenna, a planar lens having multiple inputs, and a homodyne mixer system, wherein the mixer system comprises multiple transfer mixers that are connected in parallel to the inputs of the lens.