Abstract: A modular end effector with a base with at least one connection element, a manipulator, in particular interchangeable with the connection element connected is disclosed. The position of the connection element and/or the position of the manipulator within the connection element can be changed so that the manipulator can be used in different positions relative to a base to create a versatile modular end effector.

Abstract: An optical device and systems for near and distance imaging includes an optical unit with a first optical lens and a second optical lens, the first optical lens and second optical lens being arranged along an optical axis, and a transceiver unit with a transceiver element, a light passage surface of the transceiver element being arranged in or intersecting a plane or curved surface. A first distance between the surface and the first optical lens is provided along the optical axis and set in such a way that, during intended normal operation, the transceiver element of the transceiver unit is imaged onto a distant imaging surface by the optical unit.

Abstract: An optical device, a system and a method for dispersion interferometry includes a frequency doubling device and an optical modulation device, a transmission beam path which is configured to emit a first and second measurement beam on an optical element and a reception beam path which is configured to receive a first and second measuring beam returned by the optical element.

Abstract: The invention relates to a passive radiant cooler (1) having a substrate and a layer structure which is applied to the substrate (2) and comprises the at least one reflection layer (3) and at least one emission layer (4), the emission layer (4) comprising an at least partially crosslinked polymer and/or a ceramic material derived from this polymer which are produced in order to form the emission layer (4) from at least one crosslinkable, silicon-based prepolymer, the prepolymer being composed of at least one type of monomer unit according to formula (I).

Abstract: A system for optical communication includes at least one light source for transmitting optical signals, at least one optical receiving unit for receiving the optical signals of the at least one light source, at least one mask unit, which is arranged between the optical receiving unit and the at least one light source, and which is designed to be switchable back-and-forth at least in areas between an at least partially optically non-forwarding and at least partially optically forwarding state. An image of at least one light-emitting area of the at least one light source can be imaged onto the at least one mask unit and in the at least partially forwarding state of the at least one mask unit can be conducted to the receiving unit. A method for optical communication is also provided.

Abstract: The invention relates to an R-mode receiver arrangement (1) comprising a low-noise amplifier (2), a bandpass filter (3), and an RTL software-defined radio receiver module (4), wherein an input of the low-noise amplifier (2) is configured to be connectable to a receiving antenna (10, 11), wherein an output of the low-noise amplifier (2) is connected to the RTL software-defined radio receiver module (4) via the bandpass filter (3).

Abstract: The invention relates to a device for unfolding a rolled-up elongate hollow member having: at least one elongate hollow member which has two elongate shell member halves, and an unfolding mechanism which has a fixed base structure and a winding core which is rotatably supported on the base structure and on which the at least one elongate hollow member in a first state is rolled up and compressed and which by rotating moves and unfolds the elongate hollow member from the first state into an unrolled and unfolded second state so that an elongate hollow space is formed between the two shell member halves of the at least one elongate hollow member, wherein the at least one elongate hollow member has as a first end a hollow member root, via which the elongate hollow member is secured to the rotatably supported winding core, wherein the first shell member half of the at least one elongate hollow member is secured in the region of the hollow member root to the rotatably supported winding core, and the unfolding m

Abstract: A solar radiation receiver having a receiver chamber having at least one radiation opening through which concentrated solar radiation can be introduced into the receiver chamber, having at least one solar absorber device which has at least one solid medium block which is fastened to a transport device, and having at least one opening through which the at least one solar absorber device is inserted such that the at least one solid medium block is arranged in the receiver, and through which the solar absorber device is removed.

Abstract: The present invention relates to a material and process for producing water- and oxygen-free halogen salts of an alkali metal or alkaline earth metal, or of a transition metal, or of a metal of groups 13 or 14 of the Periodic Table, in which at least one halogen salt is heated with a heating rate of from 0.2 K/min to 30 K/min, especially from 1.0 K/min to 10 K/min, proceeding from room temperature.

Abstract: The invention relates to a brake device for producing a brake torque counter to a torque acting on a rotatably supported member, wherein the brake device has: at least one toothed brake ring which is mechanically actively connected to the rotatably supported or supportable member, a plurality of bending-resistant brake levers which each have at a first lever end at least one stop which engages in the tooth arrangement of the brake ring and which are each rotatably supported on a second lever end opposite the first lever end, wherein each brake lever is connected to a force element for applying a brake force in such a manner that, as a result of the brake force via the stop of the respective brake lever which is in engagement with the tooth arrangement of the brake ring, a brake torque is produced on the brake ring tangentially counter to the active direction of the torque in order to apply a brake torque to the rotatably supported or supportable member, wherein the brake levers are arranged with respect to

Abstract: A heat accumulator device for accumulating sensible heat in molten salts, including: -a heat accumulator vessel for receiving molten salt, a separating layer being disposed in the heat accumulator vessel in order to separate a cold region, in which cold molten salt is present, from a hot region, in which hot molten salt is present, and the cold region being located below the hot region; - a device for loading and unloading the heat accumulator vessel, which device is connected to the cold region and to the hot region; and - a volume compensation device for compensating a temperature-related change in the volume of the molten salt, the volume compensation device interacting with the cold region and/or with the separating layer.

Abstract: An aircraft includes a fuselage, a wing attached thereto, a wing tip device attached to a wing end of the wing (2), a wing-like element having a wing root, a wing leading edge and a wing trailing edge, and a torque control device having a rotatable interface means. The torque control device is adapted for rotatably supporting the wing root of the wing-like element on the interface means about a rotational axis extending from the interface means into the wing-like element and to limit the degree of rotation depending on a torque introduced into the interface means by the wing-like element. The wing-like element is adapted to induce a rotation around the rotational axis in an air flow. The wing root is coupled with the wing tip device, the wing or the fuselage through the torque control device such that the leading edge extends into an airflow surrounding the aircraft.

Abstract: An apparatus for holding and releasing a pin in a controlled manner comprises a base, a pin holding element supported at the base, a plurality of rod-shaped release elements made of a shape memory alloy and supported at the base, a holding force application device supported at the base for applying an elastic holding force, and a force transfer element. The force transfer element is subjected to the elastic holding force and, against the elastic holding force, supported at the base via a parallel arrangement of the pin holding element and the release elements. The release elements are arranged with radial play in blind holes in the base, which are arranged around the pin holding element. The pin holding element is deactivatable by heating up the release elements beyond a transition temperature of their shape memory alloy and by a resulting recovery of the release elements to straight memory shapes.

Abstract: A method and a device are provided for determining a global irradiance of solar radiation, and/or at least one of the components thereof, in a plane, wherein the components include direct radiation, diffuse radiation, and radiation reflected on the ground, with a device including at least one radiation sensor unit, a camera, and an evaluation unit which is provided for evaluating measurement data from the radiation sensor unit and/or from the camera. The radiation sensor unit for determining the irradiance of solar radiation is provided in a field of view of 180° over a plane. The camera for detecting a field of view of 180° is provided over a plane. A global irradiance of the solar radiation is measured and converted into the global irradiance and/or into one or more of the components thereof in the horizontal plane and/or in the plane inclined with respect to the horizontal plane.

Abstract: A robot manipulator including limbs moveable via bearings controlled by actuators; sensors to capture a bearing position and a bearing torque/bearing force; a first sensor to capture a force screw W; a housing downstream of the first sensor; a second sensor to capture a user force applied to the housing and/or a user torque; a computing unit to determine, using a dynamics model of the robot manipulator and based on particular bearing torque/bearing force, the force screw W, and the user force and/or the user torque, a first force and/or a first torque to shift the limbs and a second force and/or a second torque to apply to an external object via an effector, wherein the dynamics model includes at least gravitational forces and inertial forces based on the bearing position; and a storage unit to store the first and/or the second force, and/or the first and/or the second torque.

Abstract: A heat accumulator device is provided having a metal phase-change material as an accumulator material, the heat accumulator device including at least one a holding chamber having a holding space for the accumulator material, a housing for the holding space, at least one heat input apparatus for inputting heat into the at least one holding chamber, and at least one heat output apparatus for outputting heat from the at least one holding chamber. A coupling region of the heat input apparatus, provided for thermal coupling to the accumulator material, and/or a coupling region of the heat output apparatus, provided for thermal coupling to the accumulator material, is arranged, at least in part, at a distance from the accumulator material.

Abstract: An actuator system may include a first actuator for being operated by a user, a second actuator for performing a movement of the user, and a transmission channel between the first actuator and the second actuator for transmitting the velocity and the force of the first actuator to the second actuator and vice versa. The actuator system may also include a controller, wherein the controller is configured such that, with the aid of the controller, the energy of the first actuator is adapted to be measured as a desired energy, wherein the transmission channel is configured for transmitting the desired energy to the second actuator and the controller is configured for controlling the damping of the second actuator as a function of the desired energy.

Abstract: The present invention relates to a protective layer against CMAS, to a CMAS-resistant article comprising the protective layer according to the invention, and to a process for preparing a corresponding article.

Abstract: A 3D input device, in particular a mobile 3D input device, has a housing and an input element arranged within the housing. The input element has at least a first side and a second side opposite the first side. The 3D input device has a sensor device. The input element is movable relative to the housing in six components. The sensor device detects the movements and/or the positions of the input element relative to the housing. The first side of the input element or the second side of the input element or the first side and the second side of the input element are together configured in such a way that a user can complete a movement of the input element along the six components via an action on the input element. A mobile device and a 3D remote-control each have at least one such 3D input device.