Abstract: A spring for use in conjunction with a vehicle, in particular a leaf spring (1), preferably a parabolic spring, has a single-part spring leaf (12) made of steel, in particular spring steel, having a central region (2) and two adjoining edge regions (4a, 4b), wherein the edge regions (4a, 4b) each have an end region (5a, 5b), the end regions (5a, 5b) can each be connected to a chassis in a stationary manner via a rolled eye (11), and the total length of the spring when installed on the vehicle is substantially unchangeable in all load states. In the unloaded state, the spring leaf (12) has two bending sections (13, 14), which each have a curvature with a curvature direction, wherein the curvature directions of the two bending sections (13, 14) are opposed, and the two bending sections (13, 14) merge into each other in the region of a turning point (15).

Abstract: A method comprises outputting at least one test signal to a listening environment via a loudspeaker, receiving each of the at least one test signal via a microphone arranged in the listening environment, determining at least one of a position and an orientation of the microphone in the listening environment with respect to the loudspeaker at the time of receipt of each of the at least one test signal, evaluating the test signals received by the microphone, and determining at least one aspect related to at least one transfer function based on the evaluation of the test signal and on at least one of the position and the orientation of the microphone.

Abstract: A diagnostic reagent that is suitable for turbidimetric analysis with a simple photometer and has high sensitivity for quantitative determination of procalcitonin in a sample is provided. The reagent is an aqueous suspension of polymer particles with antibodies against procalcitonin covalently bound to said polymer particles, in which no or only an extremely slight tendency to agglutination/sedimentation is detectable even after longer standing times and the specific reactivity of the particles remains largely unchanged. The suspended polymer particles have an average particle size in the range from 150 to 450 nm, the suspension includes a proportion of sugar or sugar alcohol dissolved therein in the range from 25 to 250 g/l and the suspension has a pH in the range from 8 to 10.

Abstract: The present invention relates to a cutting equipment having a cutting device with a cutting element and a drive device for the cutting element. The drive device includes a pneumatically driven piston/cylinder arrangement and a switch valve having a high-pressure input port, a high-pressure output port and a low-pressure output port, with the high-pressure input port coupled to a high-pressure source, the high-pressure output port coupled to a first cylinder chamber and the low-pressure output port coupled to a second cylinder chamber. The switch valve connects the high-pressure input port to the high-pressure output port upon application of a pressurized fluid, and connects the high-pressure output port to the low-pressure output port upon reduction of the pressure level of the pressurized fluid. The present invention further relates to a clipping machine for producing sausage-shaped products, including said cutting equipment, and a method for controlling the cutting equipment.

Abstract: A flight direction indication system for an aerial vehicle having a plurality of rotors includes: for each of the plurality of rotors, at least one rotor blade having a plurality of light sources arranged along a radial extension of the rotor blade; and a control unit, coupled to the plurality of light sources of the rotor blades of the plurality of rotors. The control unit is configured to effect a coordinated control of the plurality of light sources of the rotor blades of the plurality of rotors, with the coordinated control yielding an image or a sequence of images across the plurality of rotors to an observer of the aerial vehicle and to to control the plurality of light sources of the rotor blades of the plurality of rotors on the basis of a momentary flight direction of the aerial vehicle.

Abstract: The invention relates to a method for producing a semiconductor assembly, in particular connecting a semiconductor chip to a heat sink. A first metal layer consisting of Pb, Cd, In or Sn is made so thin that it is bonded by means of an opposing second metal layer consisting of another metal, for example gold, in a layer consisting of intermetallic phases. This can prevent migration of the soft metals. The brittle intermetallic layer is prevented from fracturing by a continuous pressing force.

Abstract: A strapping machine configured for and method for actuating the belt drive mechanism of a strapping machine during a loss of band carrying out the following steps: (1) polling the detector as to a proper shooting of the strapping band in the shooting direction up until the end of the shooting trajectory, and (2) for an improper shooting of the strapping band, activating the shooting and retrieval unit to retrieve the strapping band with a definite retrieval speed for a defined retrieval time so that the strapping band emerges from the shooting and retrieval unit opposite the shooting direction, and (3) actuating the drive of the back-tensioning unit so that the back-tensioning unit transports the strapping band back into the shooting and retrieval unit in the shooting direction.

Abstract: A receiver assembly for receiving light pulses, a lidar module containing such a receiver assembly, and a method for receiving light pulses are proposed. There is at least one photosensitive receiver (SPAD) therein, which converts the light pulses into an electric signal. An evaluation circuit is connected to the receiver, which determines a distance between the receiver assembly and at least one object that reflects the light pulses from the electric signal, by means of a time-correlated photon counting with at least one histogram, via a time of flight of the light pulse. The evaluation circuit is configured to reduce the resolution of the distance determination starting at no further than a predetermined distance.

Abstract: The present invention relates to a heating device for an aircraft interior. The heating device has a mechanically loadable support structure, a mechanically loadable and thermally conductive outer structure, and a heater for converting electrical energy into thermal energy, wherein the heater is arranged between the support structure and the outer structure and has a heating layer composed of a resistance material with a positive temperature coefficient.

Abstract: Provided is a seal arrangement for sealing an internal space between two components mounted for rotation relative to each other, in particular for sealing a wheel bearing. The seal arrangement comprises a first carrier element, which can be connected to the first component, and a second carrier element, which can be connected to the second component. A sealing element is formed on at least one of the carrier elements and rests against the respective other carrier element at least one contact point. It is provided that at least one opening is made in the first carrier element, into which a ventilation element is inserted. It is provided that a receiving space is formed on the ventilation element, which is delimited in the radial direction by a collar on a base body of the ventilation element, wherein a gas-permeable membrane or a porous body is arranged in the receiving space.

Abstract: A gear system for pivoting blades of an air vent, which is releasable or disengageable. For this purpose, one embodiment provides a rack and pinion gear system comprising helical pinions, which engage with a toothed rack as a result of an axial force due to a helical spline when rotational driving, and thereby establish a drive connection with the blades.

Abstract: A map fusing method includes receiving a source graph and a target graph. The source graph is representative of a source map and the target graph is representative of a target map and includes nodes and edges that connect the nodes. The method further includes processing each of the source graph and the target graph in a graph convolutional layer to provide graph convolutional layer outputs related to the source graph and to the target graph, processing each of the graph convolutional layer outputs for the source graph and the target graph in a linear rectifying layer to output node feature maps related to the source graph and the target graph. The method further includes selecting pairs of node representations from the node feature maps related to the source graph and the target graph and concatenating the selected pairs to output selected and concatenated pairs of node representations.

Abstract: An apparatus for generating backscatter histogram data for determining a diffuse backscatter during an optical runtime measurement, comprising: At least one histogram accumulation unit, which has several signal inputs, so as to receive time-correlated histogram data; and wherein the histogram accumulation unit is set up to generate backscatter histogram data based upon the time-correlated histogram data received at the signal inputs.

Abstract: A fast charging system for electrically driven vehicles and a method for forming an electrically conductive connection between a vehicle and a stationary charging station, the fast charging system having a contact device, a charging contact device and a positioning device, said contact device or said charging contact device being disposeable on a vehicle, said charging contact device being electrically contacted using the contact device when in a contact position, said contact device being positioned in a longitudinal and/or transverse direction with respect to the charging contact device as well as being moved to the contact position by means of the positioning device, said charging contact device comprising a charging-contact-element carrier having charging contact elements, said charging contact elements each forming a strip-shaped charging contact surface, said contact device comprising a contact element carrier having contact elements, said contact elements each forming a contact surface which is smaller

Abstract: An active road noise control system method for a vehicle includes picking up noise at a multiplicity of positions in or on the vehicle and generating a multiplicity of noise sense signals representative of road noise originating from a road noise source in or at the vehicle, and processing, according to a beamforming scheme, the multiplicity of noise sense signals to generate a reference signal and to provide a sensitivity characteristic for picking up the noise that comprises one main lobe directed to the road noise source. The system and method further includes iteratively and adaptively processing the reference signal to provide a noise reducing signal, and generating at one or more positions in an interior of the vehicle, from the noise reducing signal, noise reducing sound at a listening position in the interior of the vehicle.

Abstract: A method for designing a line array loudspeaker arrangement comprises providing a loudspeaker arrangement based on design start parameters and including at least a vertical front array and measuring the frequency responses of the loudspeaker arrangement with bypassed or omitted electronic filters at predefined horizontal angle increments. The method further comprises computing combined beam forming and crossover filter frequency responses for the vertical front array based on the measured frequency responses of the loudspeaker arrangement and first target frequency responses at various frequency points and various positions; and computing combined equalizing and crossover filter frequency responses for the vertical front array based on second target frequency responses, the combined equalizing and crossover filter frequency responses being configured to obtain acoustic linear phase responses of the loudspeaker arrangement.

Abstract: A method for analyzing backscatter histogram data in an optical pulse runtime method, including the steps of receiving backscatter histogram data; and analyzing the received backscatter histogram data.

Abstract: A vehicle microphone system may include at least two microphones forming a microphone array, at least one loudspeaker configured to emit audio signals. a processor coupled to a memory and programmed to receive incoming audio signals from the microphone array, determine at least one parameter for each channel of the microphone array, determine at least one filter to apply to at least one channel based on a difference between the parameters of each channel, and store the at least one filter in the memory.

Abstract: An oxygen generator for use in a passenger aircraft comprises an oxygen generating substance for generating oxygen gas after being activated; an activating substance for activating the oxygen generating substance; a pyroelectric igniter for igniting the activating substance upon receiving an electric trigger input; a housing defining a gas-tight chamber, accommodating the oxygen generating substance, the activating substance and the pyroelectric igniter; at least two electric conductors, coupled to the pyroelectric igniter and extending through a passage in the housing between an interior of the gas-tight chamber and an exterior of the gas-tight chamber; and at least one of a gas-tight glass-to-metal sealing and a gas-tight ceramic-to-metal sealing, sealing the at least two electric conductors with respect to the housing at the passage.

Abstract: A clamping device for clamping at least one cell for storing electrical energy includes a downholder ,by which a cell connector can be placed on the cell or the cells without gaps at least in some sections, wherein for each cell a separate downholder is provided, wherein the downholder(s) can be tensioned against the cell or the cells.