Abstract: A two-dimensional (2-D) beam steerable phased array antenna is presented comprising a continuously electronically steerable material including a tunable material or a variable dielectric material, preferred a liquid crystal material. A compact antenna architecture including a patch antenna array, tunable phase shifters, a feed network and a bias network is proposed. Similar to the LC display, the proposed antenna is fabricated by using automated manufacturing techniques and therefore the fabrication costs are reduced considerably.

Abstract: The present disclosure relates to an emergency oxygen system (1) for an aircraft passenger with an oxygen mask (7), a controllable oxygen feed for the oxygen mask (7), and a control unit (5) for the control of the oxygen feed to the oxygen mask (7), wherein the control unit (5) is configured to control the oxygen feed in a manner such that a demand oxygen pulse (21) flows into the oxygen mask (7) if a draw of breath (20) of the aircraft passenger is registered and that safety oxygen pulses (23) regularly flow into the oxygen mask (7) if no draw of breath of the aircraft passenger has been registered within a certain time window (T).

Abstract: A method and a device can be used to transmit data onboard a watercraft using an onboard power supply network. A central control unit generates an instruction for a first consumer module. The instruction is transmitted from the central control unit via a first control unit-head station data connection to a first head station. The first head station converts the instruction into an instruction signal that is transmittable via the power supply network. The instruction signal is transmitted from the first head station via a first head station-power line data connection, the power supply network, and a first coupling module-power line data connection to a first coupling module. From the instruction signal, the first coupling module again generates an instruction that can be transmitted via a data connection. The instruction is transmitted from the first coupling module via a first coupling module-consumer data connection to the first consumer module.

Abstract: A method is provided for operating a fuel-operated vehicle heater (10) during a start phase of combustion operation. The heater includes a combustion air feed device (26) feeding air and a fuel feed device (22) feeding fuel (B) to a burner area (12) with a combustion chamber (16). An electrically energizable ignition element (32) ignites a fuel/air mixture formed. The method includes energizing the ignition element (32) in a preheating phase prior to the fuel feed, at a time of entry into an ignition phase, detecting electrical resistance of the ignition element (32) and determining a desired resistance based on the electrical resistance of the ignition element (32) detected and operating the ignition element (32) in a resistance-regulating operating mode during the ignition phase such that an actual resistance of the ignition element (32) is in the range of the determined desired resistance of the ignition element (32).

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: Disclosed is a rotor blade inspection device having a maintenance chamber through which a rotor blade can pass vertically, wherein the floor opening and a roof opening, through which the rotor blade can pass, are arranged in the chamber floor and in the chamber roof of the maintenance chamber, characterized in that the maintenance chamber is arranged on a supporting frame, and in that the bracing frame can be supported on a tower of a wind turbine, and in that the chamber floor and the chamber roof of the maintenance chamber are respectively designed as a diaphragm system in order to minimize a gap between the floor opening or roof opening and the rotor blade.

Abstract: The invention relates to a device (1) for ejecting a parachute, comprising a housing (2) with an ejection opening (3), wherein the housing (2) is suitable for at least partially accommodating the parachute. In order to enable a robust and repeated ejection of the parachute with a low weight of the device (1), according to the invention a movable base (4) is arranged within the housing (2), which base (4) is connected to the housing (2) via at least one spring element, wherein the base (4) can be releasably fixed in place within the housing (2) using a fixing means (5), wherein the device (1) is configured such that if a parachute is arranged within the housing (2), the base (4) is accelerated by the spring element when the fixing means (5) is released, so that the parachute is ejected through the ejection opening (3) by means of the base (4). Furthermore, the invention relates to a method for ejecting a parachute.

Abstract: A method for travel lane planning of a plurality of agricultural working machines, on a usable agricultural area where the machines at least partially comprise different turning radii. The method comprises a computer-assisted planning of a travel lane infrastructure relative to the usable agricultural area for travel over the usable agricultural area by the plurality of agricultural working machines, wherein the travel lane infrastructure comprises at least one curve section which is planned on the basis of the different turning radii of the plurality of agricultural working machines.

Abstract: Techniques are provided to more accurately determine reflected power, reflection coefficient, and/or voltage standing wave to permit prompt protection of components such as power amplifiers and notify communication system operators. This is accomplished by more accurately determining an amplitude and phase of an output reflected signal at an output port of a bidirectional coupler as a function of the following: an amplitude and a phase of a coupled forward signal coupled into a forward coupled port of the bidirectional coupler; an amplitude and a phase of a coupled reverse signal coupled into a reverse coupled port of the bidirectional coupler; an electrical transmission parameter from an input port of the bidirectional coupler to the forward coupled port; an electrical transmission parameter from the input port to the reverse coupled port; and an electrical transmission parameter from an output port of the bidirectional coupler to the reverse coupled port.

Abstract: An antenna array has a signal distribution region and a signal emission region. The signal distribution region has a distribution body made from a dielectric material which converts an information signal, fed into an infeed side thereof, into a spatially distributed signal distribution on an opposite distribution side. The signal emission region has a plurality of signal emission elements distributed over the distribution side. The signal emission elements protrude from the distribution body. At least one signal emission element has a phase shift region, in which a phase shift material with an electrically influenceable permittivity is arranged in the signal emission element. By applying a phase shift voltage between at least one pair of electrodes, the permittivity of the phase shift material is influenced and thereby the propagation speed of an electromagnetic signal in the phase shift region is changed.

Abstract: The present disclosure describes devices, systems, and methods for synchronizing multiple-input/multiple-output (“MIMO”) signals or other signals in telecommunication systems. Some aspects may involve transmitting signals between a head-end unit and remote units of a telecommunication system. A first delay of a signal path between the head-end unit and a first remote unit of the remote units may be determined to be greater than each delay of signal paths between the head-end unit and other remote units. Based on the first delay, the telecommunication system may be configured to delay transmission of additional signals such that the additional signals are simultaneously transmitted to another unit by either the head-end unit or the remote units.

Abstract: An aircraft light for a foldable wing tip of an aircraft includes a first lighting structure, including at least one first light source and a first optical system, with the at least one first light source and the first optical system in operation generating a first light output; a second lighting structure, including at least one second light source and a second optical system, with the at least one second light source and the second optical system in operation generating a second light output; wherein the first light output and the second light output are of the same color and wherein the first light output and the second light output are angled with respect to each other; and wherein the aircraft light is configured to control the at least one first light source and the at least one second light source depending on a wing tip orientation signal, which is indicative of an orientation of the foldable wing tip.

Abstract: A system for enhancing artificial reverberation in a noisy listening space includes a sensor configured to generate a signal indicating a current noise level in a listening space, a loudspeaker configured to output sound in the listening space based on an output signal, and at least one processor.

Abstract: The invention relates to an airbag module for arranging on a steering wheel, a locking element and a contact element being arranged on the airbag module. The locking element can be moved and can adopt an unlocked state, a locked state and an intermediate state between the two, in relation to a catch element. In the intermediate state, in which there is mechanical contact between the locking element and the catch element, there is no electrical contact between the contact element and the locking element. In the locked state, in which the locking element is mechanically coupled to the catch element, there is electrical contact between the contact element and the locking element. In the locked state, when the catch element and the locking element are locked together, the contact element, the locking element and the catch element are electrically interconnected.

Abstract: A filter system (1), in particular as part of a fuel vapor buffering apparatus to reduce hydrocarbon emissions, wherein the filter system (1) includes at least: a primary filter apparatus (2) including a primary filter housing (4) and adsorption, or respectively absorption material; and a secondary filter apparatus (3) including adsorption, or respectively absorption material; wherein the secondary filter apparatus (3) is provided on the atmosphere side to the primary filter apparatus (2); and wherein the primary filter apparatus (2) and the secondary filter apparatus (3) are arranged in the filter system (1) such that a gas conducted into the filter system (1) flows through the primary filter apparatus (2) and the secondary filter apparatus (3).

Abstract: Establishing a status of a user at a physical area includes determining a presence of a mobile user device at a location relative to the physical area, determining an identification of the user from the mobile user device, accessing, from a secure component included proximal to the mobile user device, a credential for authorizing the mobile user device to communicate transactions with one or more other remotely located components, using the credential to securely determine one or more first attributes of the user and one or more second attributes of one or more resources located at the physical area, and determining a status of a user with respect to the one or more resources based at least in part on the determined identification of the user, the first attributes and the second attributes. The credential may be a block chain credential and the transactions may be block chain transactions.

Abstract: Disclosed is a compensation system for an agricultural machine comprising a distributor boom mounted on a chassis in a height-adjustable manner. The distributor boom has side parts which are pivotably arranged to the left and right on a central part, and a plurality of distribution elements arranged thereon which are connected to a storage container for material to be distributed. A vertical position of the distributor may be changed by an actuating device. A data processer is configured to generate actuating signals for the actuating device for changing the vertical position. To prevent collisions of the distributor boom with the ground while at the same time minimizing drift, a sensor device is configured to detect rotation of the chassis or the distributor boom in the direction of travel and the data processer is configured to generate actuating signals for the actuating device based upon the rotation.

Abstract: The present invention relates to a method for removing a rod-like element from a loading position of a hanging line in which the rod-like element can successively be loaded with sausage-shaped products, each of which contain a flowable filling material in a tubular or bag-shaped packaging casing provided with a suspension element through which the sausage-shaped products can be suspended on the rod-like element in the loading position.

Abstract: A method for collecting data, preferably in connection with a consumption, a physical or physico-chemical parameter and/or an operating state in a supply network for consumables. A measuring element of a local sensor provides elementary measuring units, which correspond to at least one physical or physico-chemical variable or parameter, as raw measurement data. In order to determine the measurement resolution of the sensor, the conditions for generating time stamps are determined in advance using a correlation model, time stamps of successive raw measurement data are generated in the sensor on the basis of the correlation model, the time stamps are transmitted and 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 temporal offset between a sensor and a receiver is corrected by transmitting telegrams to compensate for the temporal offset.

Abstract: Applying a coating medium may include: emission of a coating medium jet from an application device and positioning the application device relative to the component with a particular application distance between the application device and the component, so that the coating medium jet impacts on the component and coats the component. The application distance (d) can be smaller than the disintegration distance of the coating medium jet, so that the coating medium jet impacts with its continuous region on the component.