Abstract: An inductive sensor arrangement for detecting a movement of a movable body includes a movable coupling device coupled to the movable body and a measured-value detection device comprising a circuit carrier with an exciter structure and a receiving structure. The exciter structure is coupled to an oscillator circuit which, during operation, couples a periodic alternating signal into the exciter structure. The movable coupling device is designed to influence an inductive coupling between the exciter structure and the receiving structure. An evaluation and control unit is designed to evaluate signals induced in the receiving structure and to determine a measurement signal for a current position of the movable body. The receiving structure comprises a receiving coil having at least one periodically repeating loop structure, each structure designed as a superposition in the angular direction of a sinusoidal fundamental wave and of at least one harmonic wave of the sinusoidal fundamental wave.

Abstract: A measured value acquisition device includes a circuit carrier, which comprises a receiving structure, which comprises a receiving coil having at least two electrically connected windings in series. A single winding comprises two loop structures having periodically repeating loop portions and is formed in at least two planes of the circuit carrier. Portions of the individual loop structures are electrically connected to each other via through-contacts. Loop portions of the individual windings have opposite directions of passage. The loop structures are arranged in a direction of the movement path offset from one another by a predetermined distance. The individual loop structures are separated at a separation point and are connected to each other via a connecting structure to be in series. The connecting structure comprises at least two connecting elements arranged in at least two parallel planes and have opposite directions of passage.

Abstract: Audio splicing is rendered more effective by the use of one or more truncation unit packets inserted into the audio data stream so as to indicate to an audio decoder, for a predetermined access unit, an end portion of an audio frame with which the predetermined access unit is associated, as to be discarded in playout.

Abstract: An inductive sensor arrangement includes at least two coupling devices rotatable about an axis of rotation at a different speed than a rotatable body, and at least one measured value acquisition device, which includes a multilayered circuit carrier having at least one exciter structure and at least two receiving structures, each of which is associated with one of the coupling devices. The exciter structure is coupled to at least one oscillator circuit, which generates a periodic change signal in the exciter structure. The coupling devices are designed to affect an inductive coupling between the exciter structure and the associated receiving structure. At least two receiving structures are arranged concentrically on the circuit carrier without significant overlap. An evaluation and control unit is designed to evaluate signals induced in the receiving structures, provided as at least two different measurement signals, which represent information about the rotational movement of the body.

Abstract: A method for determining a difference value includes multiplying one measurement signal, representing a current mechanical movement acquired at a first periodicity, with a second periodicity of another measurement signal, which represents another current mechanical movement, based on an integer algorithm, and using a potentially occurring arithmetical integer overflow, to provide a resulting multiplication result, and multiplying the other measurement signal by the first periodicity based on an integer algorithm, and using a potentially occurring arithmetical integer overflow to provide a resulting other multiplication result, wherein the measurement ranges for the measurement signal and the other measurement signal are each scaled such that they each apply a full range of a provided integer data type.

Abstract: A sensor arrangement for redundant determination of an angle of rotation of a body about an axis of rotation includes at least one circuit carrier, a first sensor device having a first ECU and a second ECU. A magnet of the first sensor device and a coupling device of the second sensor device are each coupled in a rotationally fixed manner to the rotatable body. The first ECU is designed to receive signals caused by the rotational movement of the magnet and to generate at least one first electrical measurement signal which represents the current angle of rotation of the rotatable body. The second ECU is designed to receive signals caused by the rotary movement of the coupling device and to generate at least one redundant second electrical measurement signal which represents the current angle of rotation of the rotatable body.

Abstract: A displacement sensor arrangement includes a generating device which generates a magnetic field having two mutually perpendicular components, one of which is perpendicular to a movement path of a body in a vehicle, and a first measuring device sensitive to the components of the generated magnetic field and designed to span at least one measuring plane and to determine a current position of the moving body as a function of respective value pairs of the two components. A second measuring device detects an instantaneous value of one of the two components and compares it with a threshold value to determine a switching point. One of the generating device and measuring devices is configured to be connected to the body to move relative to the others. The switching point is defined by a common alignment of measuring devices with respect to the movement path.

Abstract: An optical system, in particular a LiDAR system, is provided, including at least one optical transmitter and at least one optical detector as well as a data processing unit. The optical transmitter is configured to emit a scanning light beam into the surroundings to scan same for surroundings objects. The optical detector is configured to receive a reflected light beam from the surroundings. The optical system is configured to a) detect and differentiate reflected light beams in at least two wavelength ranges and/or b) detect and differentiate reflected light beams having at least two polarization directions. The optical system is configured with the aid of the data processing unit to determine the surface properties of the scanned surroundings objects from the differences between the reflected light beams and the emitted scanning light beams.

Abstract: A device for determining a surface state of a roadway traveled or to be traveled by a vehicle, wherein the device comprises at least one light source for emitting primary light in the direction of the roadway traveled or to be traveled; at least one detector device for detecting secondary light that has been reflected and/or scattered by the roadway traveled or to be traveled; and an evaluation unit configured to emit, on the basis of the secondary light detected, the surface state of the roadway traveled or to be traveled by the vehicle. The essence of the invention is that the device furthermore comprises at least one first semiconductor chip, wherein at least two diodes are arranged on the at least one first semiconductor chip.

Abstract: A method for ascertaining a solid physical state of water on a roadway surface. The method encompasses: emitting light having at least two predefined wavelengths or predefined wavelength ranges which differ from one another; receiving a signal representing an intensity of a portion of the emitted light which is scattered back by the roadway surface to an optical sensor; ascertaining a solid physical state of water on a roadway surface based on a ratio of received values for light intensities of the respective predefined wavelengths or predefined wavelength ranges within the signal; classifying the solid physical form of water on the roadway surface by reconciling absolute values of the signal with a first predefined threshold value and/or by reconciling a signal-to-noise ratio of the signal with a second predefined threshold value; and using the ascertained information regarding the solid physical state of the water in the transportation device.

Abstract: A method for operating a sensor device for determining a road condition. Beams of at least one beam source are generated and emitted into a scanning area. Beams that are scattered or reflected back from the scanning area are ascertained by at least one detector and evaluated for determining the road condition with the aid of the control unit coupled to the detector. Temperature-dependent influences on at least one component of the sensor device are ascertained with the aid of at least one sensor. The temperature-dependent influences on the component of the sensor device are compensated for by a heating device and/or a cooling device and/or during the evaluation by the control unit. A control unit and a computer program are also described.

Abstract: An optical system, in particular a LiDAR system, is provided, including at least one optical transmitter and at least one optical detector as well as a data processing unit. The optical transmitter is configured to emit a scanning light beam into the surroundings to scan same for surroundings objects. The optical detector is configured to receive a reflected light beam from the surroundings. The optical system is configured to a) detect and differentiate reflected light beams in at least two wavelength ranges and/or b) detect and differentiate reflected light beams having at least two polarization directions. The optical system is configured with the aid of the data processing unit to determine the surface properties of the scanned surroundings objects from the differences between the reflected light beams and the emitted scanning light beams.

Abstract: A filter material comprising at least one nonheatsealable ply and at least one heatsealable ply which comprises fibers of synthetic material and contains an adhesion promoter, and also processes for producing same.

Abstract: A filter material comprising at least one nonheatsealable ply and at least one heatsealable ply which comprises fibers of synthetic material and contains an adhesion promoter, and also processes for producing same.