Abstract: A smoke alarm has a housing with a heating device for heating walls of the housing to a temperature above the dew point. The heating device has at least one heating light emitting diode (LED). The heating LED has an opening angle for the emission of light, which opening angle leads to an irradiated area of the housing.

Abstract: A lighting arrangement for a passenger cabin of an aircraft having a display surface for image content having at least two surface portions for content portions contains at least two luminaires in a lighting environment of the display surface for light in accordance with at least one lighting parameter, and a control unit in which each luminaire is assigned part of the display surface as evaluation region and a mapping rule, wherein the mapping rule assigns image content of the evaluation region values of the lighting parameters, wherein 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 them with the values with regard to the assigned lighting parameters. A passenger cabin contains the lighting arrangement and the display surface, wherein the luminaires are arranged in the lighting environment.

Abstract: A method for allocating addresses to passenger service units (PSUs) and a service controller for a passenger cabin of an aircraft are provided. A coding device of the controller defines multiple coding parameters each corresponding to an installation position of a PSU. Each coding parameter defines a coding value. The PSUs are installed at respective installation positions in an installation space. A head unit of the controller communicates with the PSUs. In response to a start command, a respective coding value is determined at a respective installation position of a respective PSU. A respective waiting time is determined from the respective coding value according to a time rule. A response is transmitted to the head unit for each PSU upon expiration of the waiting time from the start command. Upon receiving the response, an address is allocated to a PSU which transmitted the response.

Abstract: In an assembly (2) for an airplane (4) with a line (12) and switching elements (14a,b) to connect the line (12) in a first operating mode (B1) to digital transceivers (16a,b) and in a second operating mode (B2) to an analog signal source/sink (18a,b) for the audio signal (A), the line (12) is operated in the first operating mode (B1) as a digital data bus for data (D) and in the second operating mode (B2) as an analog signal line for transmitting an analog audio signal (A) from the signal source (18a) to the signal sink (18b). In a corresponding method, the line (12) is operated in a first operating mode (B1) as a digital data bus for transmitting data (D) and the line (12) is switched to the second operating mode (B2) for transmitting the audio signal (A), and the audio signal (A) is transmitted from the signal source (18a) via the line (12) to the signal sink (18b).

Abstract: A monitoring module (6) for a seat (10) of a passenger aircraft (2), which seat (10) contains at least one element (12a-g) having at least two states (Z1,2), comprises at least one sensor (14a-g) for the element (12a-g), having state information (16) corresponding to the current state (Z1,2), a readout unit (18) having a communication channel (20) for the state information (16) to the sensor (14a-g) and a communication interface (22) for the state information (16) to a monitoring unit (8) of the passenger aircraft (2). The sensor (14a-g) is a camera or a capacitive seat occupancy sensor. A monitoring device (4) for a passenger aircraft (2) contains monitoring modules (6) and a monitoring unit (8), which is configured for at least two of the monitoring modules (6) together. A passenger aircraft (2) contains a monitoring module (6) and/or a monitoring device (4).

Abstract: A flow meter detects a flow rate of a fluid. The flow meter includes a housing having a flow passage, through which the fluid can be guided from an inlet opening of the housing to an outlet opening of the housing, a measuring tube, which is inserted into the flow passage and constricts the flow cross section in one section of the flow passage, and a holding device, by which the measuring tube is retained on the housing. A respective flow straightener having at least one aperture through which the fluid can flow is arranged between the inlet opening and the measuring tube and/or between the measuring tube and the outlet opening. The flow straightener is configured as a separate component part, which is secured on the holding device by a form-locking or force-locking connection.

Abstract: The present invention is directed to a method for generating oxygen comprising providing at least one oxygen source, providing at least one ionic liquid, providing at least one metal oxide compound, wherein the oxygen source is a peroxide compound, the ionic liquid is in the liquid state at least in the temperature range from ?10° C. to +50° C., and the metal oxide compound is an oxide of one single metal or of two or more different metals, said metal(s) being selected from the metals of groups 2 to 14 of the periodic table of the elements, and contacting the oxygen source, the ionic liquid, and the metal oxide compound.

Abstract: The present disclosure provides an oxygen-generating composition comprising an oxygen source and a mixed-metal oxide of formula: (Fe,Mg)O.

Abstract: The invention relates to a device for generating oxygen, comprising at least one reaction chamber for housing a composition for generating oxygen, the composition comprising an oxygen source formulation and a ionic liquid formulation, the oxygen source formulation comprising a peroxide compound, and the ionic liquid formulation comprising a ionic liquid having a cation and a metallate anion, means for maintaining the oxygen source formulation and the ionic liquid formulation physically separated from each other, means for establishing physical contact of the oxygen source formulation and the ionic liquid formulation, and means for allowing oxygen to exit the reaction chamber.

Abstract: A device for generating oxygen comprising at least one reaction chamber for housing a composition for generating oxygen, the composition comprising a combination of constituents consisting of at least one oxygen source, at least one ionic liquid, and at least one metal oxide compound, means for maintaining at least one of the oxygen source, the ionic liquid and the metal oxide compound physically separated from the remaining constituents, means for establishing physical contact of the oxygen source, the ionic liquid and the metal oxide compound, and means for allowing oxygen to exit the reaction chamber, wherein the metal oxide compound is an oxide of a single metal or of two or more different metals, said metal(s) being selected from the metals of groups 2 to 14 of the periodic table of the elements, and wherein the oxygen source comprises a peroxide compound.

Abstract: A light for an interior of a vehicle is provided. The light has two or more light modules. In an installed state, the light modules are mounted on a supporting structure in the vehicle and disposed in series along a profile line. In the installed state, each two adjacent light modules are fixedly attached to each other, such that all light modules that are fixedly attached to each other together form an integral light strip. The light strip has a first region and at least one second region. The first region of the light strip is fixedly attached to the supporting structure. The at least one second region of the light strip is movably supported on the supporting structure.

Abstract: The invention relates to a method of generating electrical energy by means of a fuel cell system operated with reformate gas, having the following steps: providing a fuel cell system having a first reactor (R1) for conversion of a fuel (B) to a first fuel gas (BG1) and a second reactor (R2) connected downstream of the first reactor (R1), comprising a fuel cell surrounded by a protective housing (5) for generation of electrical energy with formation of a cathode offgas (KA) and an anode offgas (AA), providing a gas separation unit (1) with which at least one of the gases CO2, N2 and/or a partial gas mixture comprising CO2 and N2 is separable from the first fuel gas (BG1) or a further gas mixture formed therefrom, feeding at least a portion of the first fuel gas (BG1) or of the further gas mixture formed therefrom to the gas separation unit (1), separating the gases N2 or CO2 or the partial gas mixture from the first fuel gas (BG1) or the further gas mixture, feeding the gases N2 or CO2 separated or the partial

Abstract: A flow meter has fluid flow through a measurement path in a measuring tube with a main channel and at least one secondary channel. A signal input device introduces a measurement input signal into the fluid and a signal detection device detects the measurement input signal and/or a response signal induced by the measurement input signal. For a predetermined fluid, the main and secondary channels with a first total throughput of the fluid per unit time and with a second total throughput of the fluid per unit time, which is greater than the first total throughput of the fluid per unit time. The ratio of the throughput through all the secondary channels to the throughput through the main channel is greater in the second total throughput than in the first total throughput of the fluid per unit time.

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 composition for generating oxygen, comprising at least one oxygen source includes at least one ionic liquid, and at least one metal salt, wherein the oxygen source comprises a peroxide compound, the ionic liquid is in the liquid state at least in a temperature range from ?10° C. to +50° C., and the metal salt has an organic and/or an inorganic anion, and comprises one single metal or two or more different metals. The present invention also relates to methods for generating oxygen, and to the use of ionic liquids in oxygen generating compositions.

Abstract: An ultrasonic transducer arrangement has a housing for mounting the ultrasonic transducer arrangement in a through-hole in a housing of an ultrasonic water meter in a mounting plane. The housing of the meter contains an ultrasonic measuring section along which a transit time measurement can be carried out by the ultrasonic transducer arrangement. The ultrasonic transducer arrangement has a transducer body located in the housing for generating and/or receiving an acoustic signal, a housing wall assigned to the transducer body through which the acoustic signal runs, and an electrical contact for connecting the transducer body to a voltage or current source. The transducer body is positioned in the housing at an oblique angle with respect to the mounting plane. A holding device, which is oriented at an oblique angle with respect to the mounting plane is provided inside the housing, which exerts a holding force oriented towards the housing wall.

Abstract: The present disclosure provides an oxygen-generating composition comprising an oxygen source and mixed-metal oxide of formula: (Fe,Mg)O, wherein said mixed-metal oxide is in at least partially crystalline form.

Abstract: An operating device, in particular for electronic household appliances, includes a cover plate with an operating portion, a transmitter for emitting electromagnetic radiation, a receiver for registering electromagnetic radiation, and control electronics for evaluating measurement signals produced by the receiver. The operating portion is at least partly elastically deformable and/or movable by an action of force from the direction of a user side of the cover plate and it at least partly reflects the radiation emitted by the transmitter. The receiver is disposed and/or configured in such a way that it facilitates a spatially resolved registration of the radiation reflected by the operating portion in such a way that the control electronics can detect an actuation of the operating portion in a manner dependent on a registration location of the reflected radiation. An electronic household appliance having at least one operating device is also provided.

Abstract: A plastics meter housing, in particular for a fluid meter, contains a bowl-like body having a base and a thereto adjoining annular wall having hollow connection pieces integrally formed thereon and leading into the interior of the body. On the outer side of the base are configured a plurality of ribs, which radiate from a center, branch and run to the base rim. On the outer side of the wall is a plurality of wall ribs which at least partially intersect and run over at least a part of the wall height.