Abstract: An ultrasound flow measurement device has a vessel through which a fluid to be measured flows. An ultrasound measurement configuration with an ultrasound transducer is provided for measuring a propagation time of an ultrasound signal containing a plurality of periods along a measurement section that runs partly in a direction of flow. A controller determines a fluid flow on a basis of a propagation time measurement. The controller contains a memory, a first evaluator for determining a period duration of at least one of the periods of an ultrasound signal received after passing through the measurement section, a second evaluator for determining a spread value of a predetermined number of last received ultrasound signals, a comparator for comparing the spread value with a threshold value, and an actioning device for initiating a control action, assigned to the threshold value that has been exceeded, for the ultrasound flow measurement device.

Abstract: In a method for ascertaining predistortion data (2) for a projection from a projector (4) onto a target surface (13) with known geometry data, a camera (10) is placed in a known relative pose (RKP) with respect to the projector and aligned toward the target surface (13), the relative pose of the camera with respect to the target surface (RKZ) is ascertained from a camera image by means of machine vision, and the relative pose (RPZ) of the projector (4) with respect to the target surface (13) is ascertained herefrom and from the relative pose (RKP), and the predistortion data (2) are ascertained on the basis of the geometry data and of the relative pose (RPZ) of the projector (4) with respect to the target surface (13). A projector module (22) contains a calculation unit (3) for performing the method, and the projector (4) and the camera (10). The camera (10) of the projector module (22) or in the method is used for optically monitoring the interior (5).

Abstract: A non-contact gesture control module based on the principle of infrared reflection, contains a sensing area composed of a plurality of infrared transmitting tubes and a plurality of infrared receiving tubes, the infrared transmitting tubes and the infrared receiving tubes being alternately arranged in an extending direction. A control circuit controls the switching on and off of the individual infrared transmitting tubes and the individual infrared receiving tubes. A signal processor is provided for receiving and processing signals generated by the plurality of infrared receiving tubes and determining a coordinate position of an object in the extending direction above the sensing area. The gesture control module performs precise non-contact control and fine adjustment of gears and thus stepless speed regulation of a household appliance.

Abstract: A flow measuring device detecting a fluid volume quantity since a start of a measurement includes a processing device determining a current flow rate parameter at measurement times using measurement data of a sensor, to increase a volume quantity based on a current flow rate parameter when operating in a first operating mode, and to keep the volume quantity constant when operating in a second mode. The processing device stores the current flow rate parameter for each measurement time in a data memory, resulting after several measuring times in storing previous flow rate parameters determined at these measuring times. Upon satisfying a switchover condition, depending on the current flow rate parameter, during operation in the second mode, the processing unit switches over to the first mode, and the volume quantity increases as a function of the current flow rate parameter and a predefined number of previous flow rate parameters.

Abstract: A pane assembly (2) for a window (8) arranged in the outer wall (4) of an aircraft (6) in a window plane (10) contains a transparent cover pane (12) in a cover plane (14), a switching film (16) in a scattering plane (18), which is switchable between a transparent state (ZT) and a diffuse state (ZD), a luminous film (20) in a light plane (22) having LEDs (24), wherein a spacing (A) between each two LEDs (24) in relation to one another is at least five times their transverse extension (Q), wherein the pane assembly (2) is arranged in front of the window (8) in an installed state (M), so that scattering plane (18), light plane (22), and window plane (10) extend in parallel to one another and the luminous film (20) is arranged between the window (8) and the switching film (16), and window (8), switching film (16), and luminous film (20) are located aligned one behind another on the line of sight (26).

Abstract: A composition for generating oxygen includes at least one oxygen source selected from chlorates and perchlorates. An oxygen generating device includes such a composition. Oxygen is generated by decomposing such a composition. In the context, phyllosilicate compounds are used as multifunctional components in the oxygen generating compositions.

Abstract: A measuring device has at least one ultrasonic transducer and an evaluator for evaluating a measurement signal provided by the at least one ultrasonic transducer. The evaluator is set up to determine a first comparison signal, by comparing the measurement signal with a first switching threshold, and a second comparison signal, by comparing the measurement signal with a second switching threshold which is different from the first switching threshold, and to determine a signal amplitude of the measurement signal depending on the first and second comparison signal.

Abstract: A software defined radio type radio receiver is used in an environment that is self-sufficient in energy. The radio receiver has a receiving device, which receives the data in the form of a data packet or a portion thereof or a data stream at a certain data rate, and provides the data for further data processing. Wherein in an operating mode, the data is diverted at the receiving device and supplied to a microcontroller at a sampling rate which preferably can be defined. The microcontroller decimates the data by selecting a subset from the set of samples, and the microcontroller buffers in a memory and provides for further processing the decimated data.

Abstract: A knock detection device includes a proximity sensor, at least one sound sensor, and a signal processing unit. The proximity sensor and the sound sensor are respectively electrically connected to the signal processing unit. The signal processing unit receives and/or processes the signal of the sound sensor according to the signal of the proximity sensor. A household appliance includes the knock detection device. The knock detection device is disposed inside the household appliance on the back side of a panel provided for knocking by a user.

Abstract: In a method for detecting a motor phase fault of a motor arrangement, the motor phases of which are connected to a drive circuit having a DC voltage intermediate circuit and an inverter. A motor phase voltage at at least one of the motor phases with respect to a reference potential is captured while the inverter is switched off; and a voltage profile of the captured motor phase voltage is used to determine whether there is a motor phase fault on one of the motor phases of the motor arrangement.

Abstract: A method operates a supply system having a measuring unit and a central unit. Information is transferred repeatedly at specific time intervals via a communication network by radio between the central unit and the measuring unit. The measuring unit or the central unit receives the information and then generates a receipt confirmation, which it transmits to the central unit or the measuring unit respectively. The central unit or the measuring unit, after transmitting the information, opens a receive window of a certain time length for receiving the receipt confirmation. As a result of a first trigger event, the time intervals between the repeat transmissions of the information are shortened, and/or an additional receive window for receiving the receipt confirmation is opened, and as a result of a second trigger event, the time intervals between the repeat transmissions are lengthened, and/or no additional receive windows are opened.

Abstract: A communication module acquires consumption data from a meter, in particular consumption quantities of electricity, gas, water or heat. The communication module serves to receive consumption data from the meter and to enable the transmission of the consumption data of the meter to a superordinate data collection device. The module has a housing, a control apparatus, its own energy source, an antenna, a first communication interface using which the consumption data can be transmitted from the meter to the communication module, and a second communication interface using which the consumption data can be further transmitted from the communication module to the data collection device. The first communication interface is a standardized close-range interface which supports a plurality of standardized transmission protocols as options and/or the second communication interface is a standardized long-range interface which supports a plurality of standardized transmission protocols as options.

Abstract: A data receiver receives at least one signal from a data transmitter and determines therefrom at least one environment parameter of the data transmitter or of an environment of the data transmitter. The data receiver is configured to identify an operational state of the data transmitter or of a component of the data transmitter by comparing the at least one environment parameter so received or an environment parameter profile determined on the basis of the at least one environment parameter, with an environment parameter reference profile which describes an expected environment parameter or an expected environment parameter profile in the environment of the data transmitter.

Abstract: A method for generating electrical energy by a fuel cell system operated with a reformate gas is provided. According to this method, a fuel cell system is provided. The fuel cell system has a first reactor and a second reactor. A gas separation unit is also provided. A portion of a first fuel gas is fed to the gas separation unit. A target gas including N2 or CO2 is separated by the gas separation unit. The separated target gas is fed into a protective housing of the fuel cell system. An H2-enriched tail gas formed in the gas separation unit is fed as a second fuel gas for operation of the fuel cell.

Abstract: A method monitors an operation of a fluid meter mounted in a fluid-supplying fluid distribution system. Wherein, by use of an ultrasonic transducer, an event, in the form of a noise generated during the operation of the fluid meter or a pressure surge generated in the distribution system, which is not attributable to the flow measurement and which mechanically excites the ultrasonic transducer, is selectively detected and evaluated and, by reference to a result of the evaluation, at least one fluid meter-specific operating property is generated.

Abstract: A cabin interior arrangement 1 for an aircraft is proposed that comprises a first cabin interior object and a second cabin interior object 3a, b, comprising a power transmitting device 5 for transmitting power from an aircraft electrical system 7, wherein the power transmitting device 5 is arranged on the first cabin interior object 3a, comprising a power receiving device 6 for receiving the power from the power transmitting device 5, wherein the power receiving device 6 is arranged on the second cabin interior object 3b, wherein the power transmitting device 5 and the power receiving device 6 are embodied as a power transfer arrangement 2 for supplying the power to a mobile terminal 4, wherein the power transmitting device 5 and the power receiving device 6 are designed to transfer power over a distance of several centimetres, wherein the power transmitting device 5 and the power receiving device 6 are deigned to set up a wireless and/or cordless supply connection segment 10 between the power transmitting de

Abstract: A method collects data via a sensor being part of a supply network which distributes a consumable. The sensor contains a measuring element which provides elementary measuring units, which correspond to a variable or a parameter, as raw measurement data, where consumption data are generated from the elementary measuring units. The sensor has a communication device and a storage device. To determine the measurement resolution of the sensor, the conditions for generating time stamps are determined using a correlation model. Time stamps of successive raw measurement data are generated in the sensor based on the correlation model, the time stamps are transmitted via a wired connection and/or via a radio path, with the result that the raw measurement data acquired by the measuring element are reconstructed and evaluated on the basis of the time stamps using the correlation model. The consumption data are transmitted in parallel with the time stamps.

Abstract: A method collects data during operation of a local sensor as a component of a supply network for distributing a consumable. The supply network contains a master in communication with the local sensor via a primary communication path. The sensor contains a measuring element which supplies, as raw measurement data, elementary measurement units. A wired primary communication path is provided between the sensor and the master. To define the measurement resolution of the sensor, the conditions for generating time stamps are defined in advance using a correlation model. The time stamps of successive items of raw measurement data are generated in the sensor on the basis of the correlation model. The time stamps are transmitted via the primary communication path so that the raw measurement data acquired by the measuring element is reconstructed using the correlation model on the basis of the time stamps received by the master, and analyzed.

Abstract: A lighting arrangement for a passenger cabin of an aircraft is provided. The lighting arraignment has a display surface for displaying image content, at least two luminaires in a lighting environment of the display surface and a control unit. The luminaires radiate light in accordance with at least one lighting parameter. In the control unit, each luminaire is assigned part of the display surface as an evaluation region and a mapping rule. The mapping rule assigns image content of the evaluation region values of the lighting parameters. The control unit, for each of the luminaires, assigns the image content of its evaluation region values of its lighting parameters using the mapping rule and actuates the luminaires with the values with regard to the assigned lighting parameters. A passenger cabin having the lighting arrangement and a method for actuating the luminaires are also provided.

Abstract: A method for collecting data delivered by sensors each containing a measurement element, which sensors are equipped for radio communication and include a device for storing and preparing measurement signals recorded by the respective measurement elements for the transmission of the signals, and an autonomous power source. The method includes the following steps: recording successive raw measurement data corresponding to time-stamped, elementary measurement units of at least one physical or physical-chemical variable or parameter delivered by the measurement element of a particular sensor; in each sensor concerned, storing the raw measurement data in the memory device of the sensor; transmitting the unprocessed raw measurement data in compressed form via a radio link; and collecting, storing and evaluating the raw measurement data transmitted from a multiplicity of sensors in a remote central processing facility.