Abstract: A device for separating a deep-drawn jaw-spanning dental apparatus such as an aligner or a bite splint of thermoform film that includes: a separating element for thermally separating the deep-drawn thermoform film and simultaneously refining the separated deep-drawn thermoform film; a heating means for regulating the heating of the separating element so as to increase the temperature of the thermoform film substantially to at least its glass temperature; a support for supporting the deep-drawn thermoform film relatively movable with respect to the separating element; a moving mechanism for moving the separating element along a separation contour of the deep-drawn jaw-spanning dental apparatus relative to the support; and a control unit adapted to control the heating means and the moving mechanism based on the separation contour.

Abstract: In an aspect, a battery cell for a traction battery of a vehicle is described. The battery cell comprises a cell body and two electric terminals provided on a first side of the cell body. A positioning feature configured for positioning the battery cell on a carrier is arranged on at least one of the two electric terminals. Each of the two electric terminals comprises a top side facing away from the cell body and at least one lateral side extending between the top side and the cell body and wherein the positioning feature is arranged on at least one of the lateral sides. In an embodiment, the positioning feature arranged on one of the two electric terminals is oriented away from respective other one of the two electric terminals. The positioning feature comprises a protrusion or a recess.

Abstract: The invention relates to a device (2) for closing a motor vehicle cooling module, comprising a first and a second closing element (4a, 4b) for closing air inlets (6) in a motor vehicle, a first and a second guide element (8a, 8b) for guiding the closing elements (4a, 4b) during an opening and a closing movement, respectively a first and a second control element (10a, 10b) for controlling an opening and a closing movement of the closure elements (4a, 4b), the closure elements (4a, 4b) and the guide elements (8a, 8b) being arranged relative to one another and being controllable by the control elements (10a, 10b) in such a way that air inlets (6) in a motor vehicle are guided by the closure elements (4a, 4b) along a vehicle width (B), it being possible for two air inlets (6) arranged opposite one another along a vehicle width (B) to be opened and closed simultaneously by the closure elements (4a, 4b), the closure elements (4a, 4b) and the guide elements (8a, 8b) are arranged relative to one another and can be co

Abstract: A signal transfer assembly has a signal source with a signal source output, a signal sink with a signal sink input, having a signal sink input capacitance, and a communications channel connecting the signal source output to the signal sink input, where the communications channel has a first signal terminal for connecting the signal source output, a second signal terminal for connecting the signal sink input, and at least one ohmic resistor, connected in series between the first signal terminal and the second signal terminal, in order to transfer a source signal into a sink signal, a series connection of at least two capacitors is connected into the communications channel, between the first signal terminal and the second signal terminal and parallel to the at least one ohmic resistor.

Abstract: A dental machining system for manufacturing a dental restoration including: a dental tool machine (1) which has: a dental blank holder for holding at least one dental blank (2) relatively movably with respect to one or more dental tools (3); one or more driving units (4) each for movably holding at least one dental tool (3) for machining the dental blank (2), a control unit for controlling the dental blank holder and the driving units (4) based at least on a temporal trajectory of the dental tool (3) relative to the dental blank (2) and a spatial amount of material removal from the dental blank (2) along the temporal trajectory. The control unit executes a trained artificial intelligence algorithm.

Abstract: An airflow device suitable for regulating the air intake in vehicle front ends and which has an air intake part through which air can enter the airflow device. The airflow device has an airflow channel which is arranged downstream of the air intake part and connected thereto and through which the air entering through the air intake part can be conducted. The airflow device has at least one air-regulating lamella which is pivotably mounted on the airflow device on a pivot bearing and which is configured and arranged such that it can influence the airflow entering through the air intake part by changing its pivot position. The pivot bearing for the at least one air-regulating lamella is formed by a first bearing portion which is part of the air intake part and by a second bearing portion which is part of the airflow channel.

Abstract: An implantable device for delivery of a macromolecular drug compound is provided. The device comprises a core having an outer surface and a membrane layer positioned adjacent to the outer surface of the core. The core comprises a core polymer matrix within which is dispersed a drug compound having a molecular weight of about 0.5 kDa or more, the polymer matrix containing a hydrophobic polymer. Further, the membrane layer comprises a membrane polymer matrix within which the macromolecular drug compound is optionally dispersed. The membrane polymer matrix contains a hydrophobic polymer in combination with a hydrophilic compound, and the weight ratio of the hydrophobic polymer to the hydrophilic compound within the membrane polymer matrix ranges from about 0.25 to about 200.

Abstract: In order to enable safe position determination for a position encoder over the entire range of movement, a defined electrical interference signal is applied to at least one secondary winding of the position encoder, and this generates an electrical response signal, which is superimposed on the measurement signal, and the response signal is evaluated for error detection in a signal evaluator.

Abstract: The present teachings relate to a method for transforming a digital 3D dental model to a 2D dental image, the method including: providing, at least two selected images from the 3D dental model; converting, each of the selected images, to a respective color component of a color model; obtaining, by combining the respective color components, the 2D image in a computer-readable format of the color model. The present teachings also relate to a method of classification of the 2D image, a dental procedure assisting system, uses and computer software products.

Abstract: The present invention relates to the manufacture of benzoquinones, in particular to the manufacture of a potassium salt of a benzoquinone, such as 2,5-dihydroxy-1,4-benzoquinone di-potassium salt. The potassium salt of a benzoquinone is obtained by oxidation of a hydroquinone using potassium hydroxide and hydrogen peroxide, which results in an efficient process with high yields.

Abstract: An implantable device for delivery of a macromolecular drug compound is provided. The device comprises a core having an outer surface and a membrane layer positioned adjacent to the outer surface of the core. The core comprises a core polymer matrix within which is dispersed a drug compound having a molecular weight of about 5 kDa or more, the polymer matrix containing a hydrophobic polymer. The membrane polymer matrix includes from about 70 wt. % to about 99 wt. % of an ethylene vinyl acetate copolymer.

Abstract: A method for adjusting an automated headlight system of a motor vehicle, the headlight system having headlights for generating a low beam and a control device for adjusting a lower cut-off line of the low beam, involves calculating an elevation gradient from an extract from a digital elevation model, determining, from the elevation gradient, two turning points which are nearest ahead, determining and characterizing a mean path position on the basis of the turning points, and adjusting the lower cut-off line to a central point of the mean path position at least when the first turning point is reached.

Abstract: The present invention relates to an aqueous energy storage system, comprising a half-cell containing an aqueous solution of at least two redox-active compounds (RACs) and one or more insoluble preferably organic energy storage material(s). Moreover, the use of such a half-cell as negative electrode in redox-flow battery application is described.

Abstract: A method of operating a stepper motor for use in a dental tool machine for removing material from a dental blank, the method including: a step of adapting torque reserves of the stepper motor at operating points to net load moments respectively. The method includes a first step of predicting, through simulation, the net load moments beforehand; a second step of predicting, through simulation, the supply current to be supplied to the stepper motor for setting up the torque reserves that correspond to the predicted net load moments respectively; and a step of driving the stepper motor based on the predicted supply current.

Abstract: An ultra-wideband sensor transmits impulse radio signals over a predetermined time period, detects echo signals of the impulse radio signals by way of at least one sensor of the ultra-wideband sensor and generates a time-variant channel impulse response that describes the echo signals received by the at least one sensor as a function of a time at which the respective impulse radio signal of the predetermined time period was transmitted and a path delay, uses a predetermined selection method to ascertain at least one ascertained path delay, generates a signal characteristic of the time-variant channel impulse response for the at least one ascertained path delay, uses a predetermined comparison method to determine a similarity of the signal characteristic to a reference characteristic, and detects a predetermined movement pattern associated with the reference characteristic if the similarity meets a predetermined similarity criterion.

Abstract: An implantable device for delivery of a macromolecular drug compound is provided. The device comprises a core having an outer surface and a membrane layer positioned adjacent to the outer surface of the core. The core comprises a core polymer matrix within which is dispersed a drug compound having a molecular weight of about 0.5 kDa or more, the polymer matrix containing a hydrophobic polymer. Further, the membrane layer comprises a membrane polymer matrix within which the macromolecular drug compound is optionally dispersed. The concentration of the macromolecular drug compound in the core is greater than the concentration of the macromolecular drug compound in the membrane layer.

Abstract: The invention relates to a reel (10) for winding or unwinding strip-shaped material, in particular a metal strip or the like, and to a method for tensioning a coil (12), the reel comprising a frame (13), at least one reel head (14) for disposing the coil for winding or unwinding material (11), a drive arrangement (15) having at least one electric motor (16) and a shaft (20) which connects the electric motor to the reel head, the electric motor being formed comprising a stator (17) and a rotor (18) and being disposed on the frame, the electric motor being a torque motor or a synchronous motor, the shaft directly connecting the rotor to the reel head, the rotor being mounted on the stator so as to be axially displaceable relative to the stator.

Abstract: The invention relates to a reel (10) for winding or unwinding strip-shaped material, in particular a metal strip or the like, and to a method for tensioning a coil (12), the reel comprising a frame (13), at least one reel head (14) for disposing the coil for winding or unwinding material (11), a drive arrangement (15) having at least one electric motor (16) and a shaft (20) which connects the electric motor to the reel head, the electric motor being formed comprising a stator (17) and a rotor (18) and being disposed on the frame, the electric motor being a torque motor or a synchronous motor, the shaft directly connecting the rotor to the reel head, the rotor being mounted on the stator so as to be axially displaceable relative to the stator.

Abstract: The invention relates to a device (2) for closing a motor vehicle cooling module, comprising: a closure element (4) for closing air inlets (6) in a motor vehicle; a guide element (8) for guiding the closure element (4) during an opening and a closing movement; and a control element (10) for controlling an opening and a closing movement of the closure element (4); wherein the closure element (4) and the guide element (8) are arranged with respect to one another and can be controlled by the control element (10) in such a way that air inlets (6) in a motor vehicle can be opened and closed by the closure element (4) along a vehicle width (B); wherein, at the same time, two air inlets (6) arranged opposite one another along a vehicle width (B) can be opened and closed by the closure element (4).