Abstract: An example headphone arrangement includes at least one earphone. The at least one earphone includes a sealed housing having an aperture and a tube with a longitudinal axis. The tube is curved along its longitudinal axis to form a closed or open ring configured to totally or partly surround an ear of a user. A speaker is mounted to the housing at the aperture so that the housing in connection with the speaker encloses a closed acoustic volume.

Abstract: An adjustable mirror assembly comprising a mirror, a support, a leaf spring element biased between the support and a planar reverse side of the mirror, said leaf spring element generating a spring force, as well as at least two adjusting units mounted in the support and acting on the mirror in opposition to the spring force. The leaf spring element is mounted to the reverse side of the mirror via at least one mirror mounting point by a substance-to-substance bond and to the support via at least one support mounting point. The spring force is directed toward the support.

Abstract: Certain aspects and embodiments are directed to a Doppler shift correction sub-system that can be disposed in a mobile repeater. The Doppler shift correction sub-system can include a processor and a frequency-shifting module. The processor can be configured to determine a corrective frequency shift based on a velocity of the repeater relative to a source and a representative transmission frequency. The processor can provide the corrective frequency shift to a frequency-shifting module. The frequency-shifting module can be configured to shift the signal using the corrective frequency shift prior to transmitting the signal to a destination, such as a mobile device.

Abstract: Certain aspects are directed to a configuration sub-system for telecommunication systems. The configuration sub-system can include a test signal generator, a power measurement device, at least one additional power measurement device, and a controller. The test signal generator can be integrated into components of a telecommunication system. The test signal generator can provide a test signal to a signal path of the telecommunication system. The power measurement device and the additional power measurement device can respectively be integrated into different components of the telecommunication system. The power measurement device and the additional power measurement device can respectively measure the power of the test signal at different measurement points in the signal path. The controller can normalize signals transmitted via the telecommunication system by adjusting a path gain for the signal path based on measurements from the power measurement device and the additional power measurement device.

Abstract: A protective shield device for a travel rail is provided, the travel rail including at least one robot with an application element coupled thereon. The protective shield device comprises at least one protective shield component for protecting the travel rail from the application medium, e.g. paint, dispensed by the application element of the at least one robot. The protective shield device is configured to extend over a portion of the travel rail and to move relative to the travel rail.

Abstract: The invention relates to a master distributor strip for distributing electrical energy for equipment and/or server cabinets, comprising a plurality of connection means that are provided on a face of the master distributor strip, and to which electrical loads can be connected for the purpose of energy supply. Furthermore, sensors for determining data at least relating to the status of the master distributor strip and/or of the plurality of connection means are provided. The invention is characterized in that a communications module is provided, which module is configured to retrieve and/or receive the data of the sensors, and to communicate with at least one sensor and/or actuator that is remote from the master distributor strip, by means of a communications network.

Abstract: A circuit is provided for managing an inrush current of a load. The load is coupled between a voltage source and a terminal for a negative supply potential. The circuit includes a switch that is coupled between the voltage source and the load, and that is configured to connect the load to or disconnect the load from the voltage source. The circuit further includes at least one load capacitor coupled in parallel to the load between the switch and the terminal for negative supply potential. The circuit further includes a control unit. The control unit has a sense unit and a switching unit. The sense unit is configured to determine the inrush current when the switch is closed to connect the load to the voltage source, and the switching unit is configured to control the switching of the switch depending on the inrush current.

Abstract: A valve has a control slide (4) guided in a valve housing (6) so as to be longitudinally movable. The control slide selectively connects a plurality of fluid connection points (P, T, A, B) in the valve housing (6) to each other in a fluid-conducting manner or disconnects the fluid connection points from each other, and can be electrically controlled by a stepper motor (2). The control slide (4) can be actuated by an emergency device (34, 52) in the event of a malfunction or failure.

Abstract: Certain aspects are directed to a capacity optimization sub-system for a distributed antenna system. The capacity optimization sub-system includes a switch matrix and a controller. The switch matrix includes variable attenuators and switches. The switch matrix can receive sectors from base stations. The switch matrix can provide the sectors to coverage zones. The controller can communicate with the switch matrix. The controller can determine that a number of wireless devices in one or more of the coverage zones is outside a specified range of threshold traffic levels. In response to determining that the number of wireless devices is outside the specified range of threshold traffic levels, the controller can configure one or more of the variable attenuators and corresponding switches to redistribute capacity among the coverage zones by, for example, increasing and/or decreasing capacity in one or more of the coverage zones.

Abstract: A gas circuit for a solid oxide fuel cell system may comprise an anode gas segment in which an anode gas exiting from a gas space of an anode of a solid oxide fuel cell flows, a recirculation segment for recirculating at least a part of the anode gas back to a combustion gas processing appliance arranged in the gas circuit and in which fuel is processed to combustion gas for the solid oxide fuel cell, wherein a conveying appliance for recirculating the anode gas, and a division appliance that divides the anode gas into a recirculation stream and a residual gas stream to be discharged from the gas circuit, are arranged in the gas circuit, wherein the conveying appliance is arranged upstream of the division appliance in the anode gas segment. The present disclosure further relates to a solid oxide fuel cell system having a gas circuit.

Abstract: A closure for a receptacle having two receptacle parts, the closure being arranged on a first receptacle part and having a first connecting element for detachably connecting to a complementary, second connecting element of the second receptacle part. A shaft for holding an information carrier is also provided.

Abstract: Managing a lifecycle of a container includes defining a plurality of states, each state corresponding to a particular phase in the lifecycle of the container, determining one or more current properties of the container while a current defined state of the container is in a first defined state of the plurality of defined states, and controlling an action associated with the container based on at least the first defined state and the one or more determined properties of the container. Determining one or more current properties of the container may include determining a current fill level of the container and information about at least one other current physical property of the container. Controlling an action may include changing the defined state of the container from the first defined state to a second defined state of the plurality of defined states.

Abstract: A sensor device for monitoring a container includes a first sensor that detects signals indicative of a level to which a container is filled with contents, a second sensor that detects at least a first property of the container other than the level to which a container is filled with contents, and a processing unit coupled to the first sensor and the second sensor, the processing unit having a first interface to communicate with the first sensor, and a second interface to communicate with the second sensor. The sensor device monitors the level and the at least a first property of the container. The sensor device may be physically coupled to the container. The sensor device may further include an ultrasonic sensor controller that processes signals detected by the first sensor to determine the level to which the container may be filled with the contents.

Abstract: A system for managing a lifecycle of each of a plurality of containers remotely located from one or more servers has at least a first database defining information for managing the lifecycles of the plurality containers. Each of the plurality of containers has a sensor device physically coupled thereto. The system includes one or more container management components communicatively coupled to, and remotely located from, the one or more servers, and each container management component manages, at least in part, a lifecycle of one or more of the plurality of containers based at least in part on the information defined in the first database. At least one of the one or more container management components may be included in a sensor device physically coupled to the one or more containers, and the sensor device may be in direct communication with at least one of the one or more servers.

Abstract: A system and method for beamsteering including evaluating signal-to-noise ratios of one or more beam signals, detecting a desired-beam signal having the highest signal-to-noise ratio and an undesired signal having the lowest signal-to-noise ratio from one or more beam signals, the desired-beam signal representing a beam of sound wave pointing towards a desired source, and the undesired signal representing a beam of sound wave pointing towards a noise source.

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: The invention relates to the longwall face support of an underground mine having supports (plates 1-18), which longwall face support comprises camera housings (35) each having two cameras (36), which record a monitoring area of the face having a plurality of plates in the longitudinal direction of the gallery and the most complete registration possible of the cross section of the gallery. The cameras in a monitoring area are assigned to a common power supply unit (48) for the power supply and are equipped with intrinsically safe electronics. The electronics have a radio device for high-frequency data transfer (transmission and reception) together with antenna 39 (W-LAN antenna) for the wire-free connection to the local camera network (Wireless Local Area Network). Each camera and each camera housing is assigned a camera code and an address code, which is added to the identification data.

Abstract: A manufacturing plant (1), for workpieces (29), includes a plurality of manufacturing stations (2 to 5) and a conveying system (9) for conveying the workpieces within the manufacturing plant (1) and between the manufacturing stations (2 to 5). Mobile automatic conveying devices (13, 14, 15) travel on a conveying path network (11) of a plurality of interlinked conveying paths (10) intersecting each other. The conveying paths (10) are connected to a plurality of manufacturing stations (2 to 5) arranged in a station matrix (8).

Abstract: A measurement chamber, and a device for measuring pressure in a fluid, the device including a coupling element, at least one pressure transducer and at least one measuring chamber that can be filled with a fluid. The measurement chamber is mechanically coupled to the measurement surface of the pressure transducer by a membrane. The measurement chamber has at least two connection points for a fluid flow. The at least one pressure transducer is arranged in the coupling element, and the at least one measurement chamber has two outer webs opposite each other, one of the webs engaging a clamping edge of the coupling element and the other web engaging a pressing roller. The pressing roller is rotatably supported and can be connected to the coupling unit in a force-closed manner.