Abstract: An exterior airplane light unit includes a housing and a lens cover, the housing and the lens cover being shaped to embed the exterior airplane light unit into a side portion of a fuselage of an airplane in front of a wing root section of the airplane, with the lens cover blending into the side portion of the fuselage of the airplane, and at least one light source and at least one optical system, with the at least one light source and the at least one optical system being arranged between the housing and the lens cover and being arranged to direct a warning light output towards an engine of the airplane.

Abstract: A stackable container system includes at least two coupling hooks disposed on oppositely lying side walls of the container system for connecting the coupling hooks with associated coupling recesses of another container system. The coupling hooks move between a coupled position, in which the coupling hooks are engaged in the coupling recesses, and a detached position, in which the coupling hooks are disengaged from the coupling recesses. The coupling recesses are disposed within a wall that extends beyond the upper surface of the container system. After placement of the container system on top of the other container system, one of the coupling hooks can be inserted in the horizontal direction into the associated coupling recess of the other container system. The oppositely lying coupling hook can be subsequently vertically pushed into the associated coupling recess of the other container system.

Abstract: A re-configurable distributed antenna system that includes a plurality of base transceiver stations and a plurality of remote antenna units is provided. The plurality of the remote antenna units are configured and arranged to provide communication services for a plurality of coverage zones. A signal router selectively routes signal communication paths between a plurality of base transceiver stations and the plurality of the remote antenna units. At least one memory is configured to store routing scenarios and distributed antenna system configurations associated with the stored routing scenarios. Moreover, at least one controller dynamically controls the signal router to selectively route the signal communication paths between the plurality of base transceiver stations and the plurality of remote antenna units based at least in part on a then current need of communication service capacity within the plurality of coverage zones and the stored coverage routing scenarios.

Abstract: A holder assembly for hanging goods to be displayed at a point of sale includes at least one elongated holding member at which goods are to be hanged and to be arranged in a row of goods one behind the other so that the hanging goods may be slid along the at least one elongated member to a removal position at an end of the at least one elongated member where a good may be removed from the at least one elongated holding member. The assembly further includes a carrier to which the at least one elongated holding member is mounted and at which an electronic detection element is provided. An electronic detection element of the holder assembly is configured to detect a displacement of the at least one elongated holding member from a first position to a second position for emitting at least one signal.

Abstract: An active awareness control system and method for a helmet with a rigid shell that spatially divides a shell interior from a shell ambiance includes receiving at least one playback-sound signal, generating in the shell interior from the at least one playback-sound signal playback sound, and receiving and processing at least one ambient-sound signal representative of sound occurring in the shell ambience to detect the at least one desired-sound signal. The generation of the at least one playback sound is put on hold when the at least one desired-sound pattern is detected.

Abstract: The device is a cooling appliance with a cooling chamber that includes a top assembly with a top, rear, and bottom; a rear wall assembly and a bottom assembly. The bottom assembly is supported by vertically adjustable front and rear feet. The front and rear feet include a vertical adjustment mechanism that is accessible from above and are vertically adjustable from above through the bottom assembly.

Abstract: A telecommunications system is provided that is controllably operable as a sectorized antenna system and as an omnidirectional antenna system without requiring hardware reconfiguration. The telecommunications system includes a phase correlation measurement unit that can be between a sectorized antenna sub-system and a remotely located RF source site. The phase correlation measurement unit can be coupled to the RF source site over at least one feed line. The phase correlation measurement unit can output signals for controlling a phase shifter at the RF source site for phase shifting downlink signals and for causing operation of the sectorized antenna sub-system as an omnidirectional antenna sub-system. In a sectorized operation mode, the phase correlation measurement unit and the phase shifter can be inactivated.

Abstract: A method for separating an audio signal into a harmonic signal component and a transient signal component is disclosed. The method includes the steps of: transferring the audio signal into a frequency space in order to obtain a transferred audio signal in dependence on frequency and time and applying a non-linear smoothing filter to the transferred audio signal over frequency to obtain a filtered transient signal in which the harmonic signal component is suppressed relative to the transient signal component. The method further includes applying the non-linear smoothing filter to the transferred audio signal over time to obtain a filtered harmonic signal in which the transient signal component is suppressed relative to the harmonic signal component and determining the harmonic signal component and the transient signal component based on the filtered harmonic signal and the filtered transient signal.

Abstract: A method for compensating a temperature drift of a microwave filter comprises: measuring a first frequency response of a microwave filter at a first temperature; determining values of elements of an equivalent circuit corresponding to the microwave filter such that a first modelled frequency response computed using the equivalent circuit matches the first measured frequency response to obtain a first model modelling the microwave filter at the first temperature: measuring a second frequency response of the microwave filter at a second temperature; determining values of elements of the equivalent circuit corresponding to the microwave filter anew such that a second modelled frequency response computed using the equivalent circuit matches the second measured frequency response to obtain a second model modelling the microwave filter at the second temperature; and adjusting an overall temperature drift of the microwave filter to adjust the temperature drifts of the resonant filter elements.

Abstract: A device for extracting aroma substances from vegetable aroma carriers into a brewing liquid, in particular into beer, includes a fluidized bed extractor accommodating a suspension bed including the brewing liquid and solid particles contained in aroma carriers. The fluidized bed extractor has at least an inlet and an outlet for the brewing liquid. A feed pump pumps the brewing liquid from the inlet through the fluidized bed extractor to the outlet. A feeding speed of the feed pump is set to a value at which an average vertical feeding speed of the brewing liquid in the fluidized bed extractor is lower than an average vertical sedimentation speed of the solid particles in the fluidized bed extractor.

Abstract: A control cabinet for an exhaust gas measuring facility. The control cabinet includes a cabinet body with measuring appliances for analyzing at least one sample gas. The cabinet body includes two side walls, a bottom, a cover, a first rear wall, a second rear wall, a front side, and a channel which is arranged between the first rear wall and the second rear wall. The channel is dissipates heat. A door opens and closes the front side of the cabinet body.

Abstract: The subject of the disclosure is a method for testing the radio communication characteristics of a means of transport, said method having the steps: shaping a portable casing, which is configured from an electrically conductive material, in such a manner that the shape of the casing models a shape of the means of transport, arranging an item of fixtures and fittings within the casing, transmitting a radio signal at a first location within the casing, and receiving the radio signal, which is influenced by the item of fixtures and fitting, at a second location that is remote form the first location within the casing.

Abstract: A system for generating a silent zone at a listening position is provided. The system includes a loudspeaker, an error microphone, a microphone array, and a noise controller. The loudspeaker is configured to radiate sound that corresponds to a sound signal. The error microphone is configured to pick up noise radiated by a noise source and the sound radiated by the loudspeaker via a secondary path. The microphone array is configured to pick up noise radiated by a noise source and the sound from the loudspeaker. The microphone array is configured to generate corresponding array signals. The noise controller is configured to receive a noise signal representative of noise radiated by the noise source and to filter the noise signal with a controllable noise reduction transfer function. The noise controller is further configured to control the noise reduction transfer function based on the noise signal and a virtual error signal.

Abstract: A coaxial plug connector, comprising at least one electrically conductive inner conductor, an electrically conductive outer conductor spaced apart from the at least one inner conductor and disposed around the at least one inner conductor, at least one sleeve, which is made of an insulating plastic, wherein the inner conductor is disposed on an inside circumferential surface of the sleeve, wherein the outer conductor is disposed on an outside circumferential surface of the sleeve, wherein the coaxial plug connector is single-piece and sleeve-like.

Abstract: The invention relates to a system which comprises at least one street-lighting device, a camera system mounted thereon, a recognition unit, a transmission unit and a mobile display device. The camera system is designed to provide image indicators of parking spaces within a parking lot. The recognition unit is designed: to store the geographical coordinates of parking spaces present in the visual range of the camera system; to assign, depending on the image indicators, to each parking space a respective occupation status, said status specifying whether the respective parking space is available or occupied; and to provide the transmission unit with the respective occupation status of at least the available parking spaces and the associated geographical coordinates, the transmission unit being designed to transmit the respective occupation status at least of the available parking spaces and the associated geographical coordinates to the mobile display device.

Abstract: A dynamic exterior aircraft light unit, mounted to an aircraft for illuminating an aircraft environment, includes an LED group with a plurality of LEDs, and an optical system with at least one optical element. The optical system being associated with the LED group for shaping an output light intensity distribution from the light emitted by the LED group and the LED group and the optical system are stationary within the dynamic exterior aircraft light unit.

Abstract: A method for actuating a spark plug, in which the spark plug is assigned a first ignition coil and second ignition coil.

Abstract: A receptacle with at least one oxygen mask of an emergency oxygen supply device of an aircraft, said oxygen mask being located in the receptacle and said receptacle comprising an opening, through which the at least one oxygen mask can be led. The receptacle comprises at least one cover for covering the opening at least in sections, and a release device actuated by pull means for the release of the cover.

Abstract: A fuel cell system (1) includes a reformer (2), for generating a reformate gas, a fuel cell (3) for generating electric current from cathode air and reformate gas, an air supply (4), which draws in ambient air and splits this at least into reformer air and cathode air, sends the reformer air via a reformer air line (15) in the direction of the reformer and sends the cathode air via a cathode air line (16) in the direction of a cathode side (11). A recirculating line (20) connects an anode side (10) to the reformer (2). A hot gas delivery (24), which contains a hot gas path (26), is arranged in the recirculating line for driving the anode waste. A cooling air path (27), which is integrated into the cathode air line, through which the reformer air or cathode air flows, reduces thermal load of the hot gas delivery.

Abstract: The invention is directed to a conveying system which includes an endless conveyor belt and at least one non-destructive inspection device for inspecting the conveyor belt. The inspection device generates and outputs a result of the inspection. The conveying system has at least one adjustable conveying system element and at least one control unit which adjusts the adjustable conveying system element in dependence on the result of the inspection.