Abstract: The present invention relates to heteroleptic complexes comprising a phenylimidazole or phenyltriazole unit bonded via a carbene bond to a central metal atom, and phenylimidazole ligands attached via a nitrogen-metal bond to the central atom, to OLEDs which comprise such heteroleptic complexes, to light-emitting layers comprising at least one such heteroleptic complex, to a device selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED, to the use of such a heteroleptic complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge blocker.

Abstract: Disclosed is a torque-converting or speed-converting variable-speed transmission with at least two gear ratios. Each gear ratios is assigned at least one changeable gear pair. Shifting elements act on sliding sleeves (24) connected to the gear pairs to change these gear pairs. The shifting elements are in engagement with a shift drum (10), which is moveable into defined angular positions and rotatable between these angular positions. The shift drum (10) has an electric-motor direct drive (12), which can rotate it and bring it into the particular defined angular positions. A method used to control such a torque-converting or speed-converting variable-speed transmission is also contemplated.

Abstract: An apparatus for encoding a first channel and a second channel of an audio input signal including two or more channels to obtain an encoded audio signal according to an embodiment includes a normalizer configured to determine a normalization value for the audio input signal depending on the first channel of the audio input signal and depending on the second channel of the audio input signal. Moreover, the apparatus includes an encoding unit configured to generate a processed audio signal having a first channel and a second channel. The encoding unit is configured to encode the processed audio signal to obtain the encoded audio signal.

Abstract: A connection strip is designed as a printed circuit board connector and has a strip-like connection housing, which is formed in one part or in a plurality of parts. The connection housing has a plurality of outer sides, the first outer side having a mating face side on which there are at least two or more mating face plug-in contacts, which can each be plugged together with a corresponding plug-in contact of a corresponding plug connector. The connection housing is further designed to have printed circuit board plug-in contacts on one, two or three of the other outer sides, which contacts project beyond the respective outer side so that on the one or more outer sides on which the printed circuit board plug-in contacts are provided, a printed circuit board can be soldered. A method for manufacturing the connection strip is also provided.

Abstract: A joint arrangement includes comprising a joint, a nut and an adapter unit. The joint has an inner hub, an outer hub, balls and a cage with recesses for the balls. The inner hub has a recess with an inner toothing for receiving a first shaft. A cavity of the joint arrangement located around the balls is closed on two end sides by a respective sealing device. The adapter unit includes a first adapter portion and a second adapter portion which cooperate to transmit torque across the joint arrangement to or from a second shaft.

Abstract: An electro-optical structure including at least one optical component and a plurality of electric components arranged on a common printed circuit board is disclosed herein. The printed circuit board includes a plate-shaped base body made of molybdenum or an Invar material. An optical bench including a printed circuit board with a plate-shaped base body of molybdenum or an Invar material is also disclosed herein.

Abstract: A transmitter for an optical free-beam communication system includes two light transmitters for the optical transmission of a data signal using one single-sideband modulation, wherein each light transmitter emits a side of the band modulation so that a light signal arriving at a receiver corresponds to a double-sideband modulation.

Abstract: An electro-optical structure including at least one optical component and a plurality of electric components arranged on a common printed circuit board is disclosed herein. The printed circuit board includes a plate-shaped base body made of molybdenum or an Invar material. An optical bench including a printed circuit board with a plate-shaped base body of molybdenum or an Invar material is also disclosed herein.

Abstract: A connecting arrangement for connecting a shaft to a component is provided. The connecting arrangement includes at least one adapter device with is connectable to the shaft at least in a force-fitting and/or form-fitting manner, and contact surfaces of the component and of the adapter device are configured in a manner matching each other to inhibit rotation relative to one another about a longitudinal axis of the adapter.

Abstract: A joint arrangement includes comprising a joint, a nut and an adapter unit. The joint has an inner hub, an outer hub, balls and a cage with recesses for the balls. The inner hub has a recess with an inner toothing for receiving a first shaft. A cavity of the joint arrangement located around the balls is closed on two end sides by a respective sealing device. The adapter unit includes a first adapter portion and a second adapter portion which cooperate to transmit torque across the joint arrangement to or from a second shaft.

Abstract: A transmitter for an optical free-beam communication system includes two light transmitters for the optical transmission of a data signal using one single-sideband modulation, wherein each light transmitter emits a side of the band modulation so that a light signal arriving at a receiver corresponds to a double-sideband modulation.

Abstract: A connecting arrangement for connecting a shaft to a component is provided. The connecting arrangement includes at least one adapter device with is connectable to the shaft at least in a force-fitting and/or form-fitting manner, and contact surfaces of the component and of the adapter device are configured in a manner matching each other to inhibit rotation relative to one another about a longitudinal axis of the adapter.

Abstract: A field device of a room automation system or of a power management system or of a hazard detection system is disclosed. The field device includes at least one human-machine interface with at least one memory configured to store physical layer data, at least two protocol stacks, wherein the field device is configured to select at least one protocol stack based on the physical layer data stored in the memory of the human-machine interface. The field device also includes at least two physical layers, at least two pairs, wherein each compatible pair includes at least one physical layer and at least one protocol stack. The field device also includes selector switch(es) configured to connect and to disconnect physical layers and protocol stacks, such that a physical layer element and a protocol stack connected or disconnected by the selector switch(es) belong to the same compatible pair.

Abstract: A field device of a room automation system or of a power management system or of a hazard detection system is disclosed. The field device includes at least one human-machine interface with at least one memory configured to store physical layer data, at least two protocol stacks, wherein the field device is configured to select at least one protocol stack based on the physical layer data stored in the memory of the human-machine interface. The field device also includes at least two physical layers, at least two pairs, wherein each compatible pair includes at least one physical layer and at least one protocol stack. The field device also includes selector switch(es) configured to connect and to disconnect physical layers and protocol stacks, such that a physical layer element and a protocol stack connected or disconnected by the selector switch(es) belong to the same compatible pair.

Abstract: A method for operating an internal combustion engine is described. At least one composition of a gas mixture is determined in at least one combustion chamber of the internal combustion engine. At least one combustion chamber pressure is detected in the interior of the combustion chamber and at least one local combustion chamber temperature is detected in the interior of the combustion chamber. The composition is inferred from the combustion chamber pressure and the combustion chamber temperature.

Abstract: An apparatus for determining the homogeneity of a fluid flow in a pipe, such as a reducing-agent flow in an exhaust-gas pipe of an internal combustion engine, including a transmitter arranged on a light-transmissive region of the pipe and a diametrically opposite detector. The transmitter and detector being coupled such that they are rotatable through an angle of 360° about a rotational axis which is located substantially in the axis of symmetry of the pipe. The transmitter and the detector are rotated through at least 360° about the rotational axis, thus capturing an intensity of the detected light over the rotation angle, and from this a homogeneity of the fluid flow is deduced.

Abstract: A modular heat-retaining system for keeping food warm. The system contains a plurality of induction heat retaining units, each of which forms a heat-retaining area, and further contains a common power and control unit having a common power controller and a plurality of connection interfaces for individually connecting and individually activating the induction heat-retaining units. In addition, the heat-retaining system contains one or more operating units, wherein the induction heat-retaining units contain at least one induction coil as part of an induction resonant circuit for generating an alternating magnetic field. The power and control unit contains control means for individual activation of the induction heat-retaining units.

Abstract: The invention relates to a method for determining and regulating the temperature of an article with inductive properties which is heated inductively by means of an induction device, wherein the induction device contains an induction coil, means for producing an induction resonant circuit and a support element arranged above the induction coil and having a first side, which acts as support face for the article, and a second side, which is directed towards the inductive coil. At least one temperature sensor is fitted to the second side. The resonant frequency of the induction resonant circuit is measured via detection means and the temperature of the article is calculated from the measured resonant frequency, wherein the resonant frequency is related to the temperature of the article by virtue of a mathematical function, and the function is determined by determining at least two absolute temperature calibration values of the article at respectively different resonant frequencies.

Abstract: A method of fabricating a camshaft including at least one carrier unit and at least one functional element. The carrier unit is produced at least in part from at least one first blank by way of at least one first machining method, and the functional element is produced at least in part from at least one second blank by way of at least one second machining method. The invention further relates to a camshaft produced by the method of the invention.