Abstract: A sensor assembly, for monitoring the structure of a housing structure for holding fluid or solid media with an outer casing, has a central control unit designed to generate and receive structure-borne sound signal patterns. The sensor assembly includes at least one transmitter unit separated spatially from the central control unit. The at least one transmitter unit is designed to generate and receive structure-borne sound signal patterns. The central control unit has at least one evaluation unit for evaluating the structure-borne sound signal patterns emitted by the transmitter units.

Abstract: In a sensor apparatus for detecting deposits, in particular water deposits such as moisture deposits and/or ice deposits on a windowpane, in particular on the inside of a motor vehicle window, with a radiation emitter for irradiating the windowpane and with a radiation receiver for detecting the radiation intensity of the radiation reflected back from the windowpane, and wherein at least one optical body with at least one radiation guidance element is assigned to the radiation emitter and/or the radiation receiver, it is provided as essential to the invention that the radiation guidance element has at least two segments, that each segment has at least one refractive surface, and that the refractive surfaces are arranged facing the radiation emitter and/or the radiation receiver.

Abstract: A sensor apparatus has at least one sensor element, with at least one data conducting interface, with at least one power supply device and with at least one carrier structure, in which it is provided as essential to the invention that the carrier structure forms at least two segments and that the segments are connected flexibly to each other. For a method for producing a sensor apparatus, a carrier structure is provided, segments are produced from the carrier structure, and flexible connections are formed between the segments.

Abstract: A sensor apparatus for detecting the wetness of window, with a radiation emitter and a radiation receiver, with an optical guide element which can be coupled to the inner side of the window, the radiation inlet side and the radiation outlet side of the guide element are each embodied as a lens arrangement, and a lens arrangement is embodied by lens contours arranged side by side. The lens arrangement on the radiation inlet side has at least two lens contours. The inlet surfaces of the lens contours on the radiation inlet side, through which the radiation is able to enter the guide element, are inclined towards each other. The lens arrangement on the radiation outlet side has at least two lens contours. The outlet surfaces of the lens contours on the radiation outlet side, through which the radiation can exit the guide element, are inclined towards each other.

Abstract: The invention relates to a method and a sensor device for detecting aerosols in the ambient air of a motor vehicle, wherein the probability of occurrence of aerosols in the ambient air of the vehicle is determined, wherein a control signal is sent to at least one radiation emitter when the determined probability of occurrence exceeds a defined probability value, wherein a radiation signal is emitted by the radiation emitter, wherein a possible response signal to the emitted radiation signal is captured by at least one radiation receiver, wherein the response signal is detected from at least two directions, wherein the electrical capacitance of a field around the vehicle is captured by at least one capacitive sensor, wherein the occurrence of aerosols is deduced upon detection of the response signal from two directions and detection of a change of capacitance in the surrounding area.

Abstract: A sensor apparatus for analysing a sample gas volume includes at least one fine particle measuring chamber to hold the sample gas that is to be analysed, at least one sensor element for measuring fine particles assigned to the fine particle measuring chamber, at least one sample gas feed assigned to the fine particle measuring chamber, at least one sample gas discharge assigned to the fine particle measuring chamber, at least one ventilation device assigned to the fine particle measuring chamber. The ventilation device includes a fan with a fan housing, and the sensor apparatus has at least one circuit carrier with at least one control circuit for actuating the ventilation device. The circuit carrier incudes a circuit for controlling the measurement of fine particles. The circuit carrier is arranged outside the fan housing. The ventilation device has a data interface for a data-carrying connection to the circuit carrier.

Abstract: A device for the detection of wetness in wheel arches of road vehicles includes at least one sensor arrangement including at least one capacitive moisture sensor with two electrodes, electrically insulated with respect to one another, and with at least one evaluation unit, the electrodes, electrically insulated with respect to one another, are arranged on a carrier element, that the electrodes, electrically insulated with respect to one another, are formed by two detection sections arranged parallel to one another, and that the detection sections, when used as intended, are aligned respectively in a rising manner in their longitudinal extent. The device also relates to a road vehicle for the detection of wetness, with at least one wheel arch, with which provision is made according to the invention that the wheel arch is delimited by a wheel-housing shell, at which a device according to the invention is arranged.

Abstract: A method for determining the degree of soiling of an air filter, in particular of an air filter in the interior space of motor vehicle, in which air to be purified is directed across at least one filter body in a predetermined direction of flow. An indirect pressure measurement takes place before and after the at least one filter body in the predefined direction of flow. An apparatus for determining the degree of soiling of an air filter is also provided, having at least one filter body as well as an airflow chamber connected upstream of the filter body and an airflow chamber connected downstream of the filter body. An indirect pressure measurement device is allocated to the airflow chamber connected upstream of the filter body and to the airflow chamber connected downstream of the filter body.

Abstract: A method for detecting liquid on a windowpane in which radiation is emitted by at least one radiation emitter, the radiation is coupled into the windowpane via at least one optical element, and, after reflection in the windowpane, the radiation is coupled out of the windowpane. The radiation which is coupled out of the windowpane is captured in single measurements. A measurement cycle is formed from a multiplicity of single measurements. An average value is calculated from the measurement results of a measurement cycle. The average value is used a reference value for the single measurements of the subsequent measurement cycle currently in progress. The differences between the measured values of the single measurements of a measurement cycle currently in progress and the reference value are determined. The differences between the measured values of the single measurements of the measurement cycle currently in progress and the reference value are evaluated statistically.

Abstract: A method for detecting and processing the carriageway condition of a carriageway on which a vehicle is driven, by means of at least one noise sensor provided on the vehicle, in particular by means of at least one mechanical vibration sensor, wherein noise signals travelling through the vehicle are sensed by a noise sensor and conclusions as to the carriageway condition are drawn from the sensed noise signals. According to said method, the section of route on which the vehicle is currently being driven is determined, the determined carriageway condition is assigned to the section of route, said section of route and the carriageway condition that has been determined and assigned to the section of route are transmitted to a computer network, in particular to a cloud-based computing service, and the information relating to the carriageway condition assigned to a section of route is made available via the computer network.

Abstract: In a sensor apparatus for detecting the temperature on a flat component, particularly on a window of a motor vehicle, having at least one sensor housing, having at least one circuit carrier, at least a section of which is arranged inside the sensor housing, and having at least one temperature sensor arranged on the circuit carrier, it is provided as essential to the invention that the circuit carrier includes at least one section embodied as a contact finger, that the temperature sensor is arrange on the contact finger, that the contact finger has a contact region for thermal coupling with the flat component, that the contact region is connected in thermally conductive manner to the temperature sensor, that the sensor housing has at least one deflection element impinging on the contact finger with a bias.

Abstract: The invention relates to a method and a device for determining particulate emissions in the driving operation of a vehicle, in particular of a motor vehicle. According to the invention, provision is made that the device has a sensor system and a control unit and that in driving operation the sensor system and the control unit jointly undertake the function of particulate matter sensors. Here, the sensor system senses driving operation values on the vehicle. From the sensed driving operation values and by means of correlations of driving operation values with particulate matter values determined and stored in advance in the control unit, the control unit estimates the particulate emissions from tyre abrasion of the vehicle. Finally, the invention relates to a vehicle with the device according to the invention.

Abstract: In a sensor arrangement for measurement of the temperature of a disk, it is provided that the sensor arrangement comprises a circuit carrier with a temperature sensor arranged thereon, wherein the circuit carrier and the temperature sensor are arranged in a housing and an electrical connection and a heat-conducting element are guided out from the housing, the heat-conducting element is configured as a rigid pin, the rigid pin has a thermal connection and a mechanical connection to the circuit carrier, the rigid pin is provided and configured to make a thermal contact with the disk.

Abstract: A sensor apparatus for detecting the wetness of window, with a radiation emitter and a radiation receiver, with an optical guide element which can be coupled to the inner side of the window, the radiation inlet side and the radiation outlet side of the guide element are each embodied as a lens arrangement, and a lens arrangement is embodied by lens contours arranged side by side. The lens arrangement on the radiation inlet side has at least two lens contours. The inlet surfaces of the lens contours on the radiation inlet side, through which the radiation is able to enter the guide element, are inclined towards each other. The lens arrangement on the radiation outlet side has at least two lens contours. The outlet surfaces of the lens contours on the radiation outlet side, through which the radiation can exit the guide element, are inclined towards each other.

Abstract: With a method for at least partially automatically controlling, in particular automatically parking a vehicle, in particular a motor vehicle, provision is made according to the invention for the movement of the vehicle to be predicted, for the position of a body outside the vehicle to be detected, for a possible spatial and/or time-related contact area between the vehicle and the body on the outer shell of the vehicle to be predicted, for a structure-borne sound measurement to be taken in the predicted spatial and/or time-related contact area and for a warning signal to be issued to the control unit if a previously specified criterion is met by the measured structure-borne sound signal.

Abstract: A method for detecting and processing the carriageway condition of a carriageway on which a vehicle is driven, by means of at least one noise sensor provided on the vehicle, in particular by means of at least one mechanical vibration sensor, wherein noise signals travelling through the vehicle are sensed by a noise sensor and conclusions as to the carriageway condition are drawn from the sensed noise signals. According to said method, the section of route on which the vehicle is currently being driven is determined, the determined carriageway condition is assigned to the section of route, said section of route and the carriageway condition that has been determined and assigned to the section of route are transmitted to a computer network, in particular to a cloud-based computing service, and the information relating to the carriageway condition assigned to a section of route is made available via the computer network.

Abstract: In a method for determining the surface temperature of a road on which a motor vehicle is travelling, the brightness of the ambient light around the motor vehicle is determined, that radiated light reflected from the road is captured, and that the measured values for brightness of the ambient light and the radiated light reflected from the road are included in the calculation. Also, a sensor arrangement for a motor vehicle for determining the surface temperature of a road on which the motor vehicle is travelling is used to carry out the method, in which at least one light sensor is assigned to the sensor arrangement for capturing the brightness of the ambient light around the motor vehicle, that at least one light sensor is assigned to the sensor arrangement for capturing the radiated light reflected from the road on which the vehicle is travelling.

Abstract: A sensor device for detecting moisture on a roadway of a vehicle includes a housing having at least one flat housing area. The housing is constructed as a resonant body and is provided for mounting in a wheel arch of the vehicle. At least one structure-borne sound sensor is arranged in the housing area of the housing and at least one connecting means is assigned to the housing for producing a connection between the housing and the wheel arch. The at least one connecting means is constructed to be vibration damping and constructed for receiving a decoupling of the sensor device and the wheel arch. The at least one connecting means is constructed for producing a connection between the housing and the wheel arch and the structure-borne sound sensor is configured to detect only structure-borne sound signals caused by impacting moisture droplets on the housing.

Abstract: The invention relates to a method and a device for determining particulate emissions in the driving operation of a vehicle, in particular of a motor vehicle. According to the invention, provision is made that the device has a sensor system and a control unit and that in driving operation the sensor system and the control unit jointly undertake the function of particulate matter sensors. Here, the sensor system senses driving operation values on the vehicle. From the sensed driving operation values and by means of correlations of driving operation values with particulate matter values determined and stored in advance in the control unit, the control unit estimates the particulate emissions from tyre abrasion of the vehicle. Finally, the invention relates to a vehicle with the device according to the invention.

Abstract: In a sensor device for detecting moisture on a roadway of a vehicle, particularly a motor vehicle, with at least one structure-borne sound sensor, with at least one circuit carrier, wherein the structure-borne sound sensor is connected in a signal-conducting manner to the circuit carrier, it is provided in a manner important for the invention that at least one structure-borne sound sensor is arranged in a housing, that the housing has at least one flat constructed housing area, that the structure-borne sound sensor is connected to the flat constructed housing area, so as to conduct structure-borne sound signals, and in that the housing is constructed as a resonant body, that the at least one circuit carrier is arranged in the housing, that the housing is provided for mounting in a wheel arch of a vehicle, that at least one connecting means for producing a connection between the housing and the wheel arch is assigned to the housing, and that the connecting means is constructed to be vibration damping, at least