Abstract: A method coordinates an exchange of power between a plurality of technical small units on the one hand and a transmission network on the other hand. A central control device forms a general schedule from individual schedules of all available small units and controls the exchange of power of the small units with the transmission network according to the general schedule, wherein a delta schedule is calculated by the control device from a balancing of the general schedule and a predetermined call-off plan of a network operator or an electricity exchange. A central memory connected to the transmission network is controlled according to the delta schedule, such that the central memory exchanges an electrical compensation power with the transmission network, such that the technical small units and the central memory together carry out the call-off plan.

Abstract: A method for operating a network arrangement having a plurality of network systems is disclosed. Data belonging to a first class is synchronously transmitted in a specified time slot identical for all network systems. A network system, which owing to a synchronization error during the specified time slot, receives data belonging to other classes from a plurality of senders, then only sends data belonging to the first class, but now in standard messages belonging to class 2. Non-vital data belonging to the other classes is no longer transmitted in this operating state. Improved failure safety and in particular a fail-operational mode is provided by the behavior of the network systems in the event of synchronization errors. A network system which implements the method and a network arrangement having a plurality of corresponding network systems is also proposed.

Abstract: The invention relates to a method for operating a communication network (101), in particular an Ethernet network. Network devices (1) which are coupled to the network comprise a switch device (4), a first and a second control device (2, 3) which are coupled to the switch device (4), and the switch device (4) comprises for the first and the second control device (2, 3) a respective input port (10, 14) and emitter port (9, 13) for sending and receiving data via the communication network (6). Ring-shaped communication paths for data are provided so that redundant data can be transmitted in different directions and checked for consistency. An improved protection against failure and error analysis in the event of transmission errors are ensured by the ring-shaped structure using bidirectional communication paths. The invention further relates to a network arrangement (101) comprising several corresponding network devices (100, 200, 300) which operate according to the method.

Abstract: A cooling device includes an aluminum heat sink and at least one nickel sheet segment. The nickel sheet segment is connected to the aluminum heat sink by a solder layer. The cooling device includes a securing surface for securing and for heat absorption. The securing surface being formed by that side of the nickel sheet segment which faces away from aluminum heat sink. The aluminum heat sink is formed from a plurality of aluminum sheets which are stacked one above another and are connected to one another. At least one aluminum sheet includes cutouts which form a cooling channel covered by at least one of the aluminum sheets. Furthermore, a method for producing a cooling device and also a power circuit comprising a heat sink as described here are presented.

Abstract: The present invention provides a jamming device for jamming a frequency hopping signal, the jamming device comprising at least one receiving antenna configured to receive signals in the signal spectrum of the frequency hopping signal, an emission detection unit configured to detect emissions in the received signals that possibly pertain to the frequency hopping signal, a signal analysis unit configured to analyze the detected emissions for determining characteristic properties of the frequency hopping signal in an analysis mode and configured to output corresponding jamming trigger signals in an active jamming mode if detected emissions pertain to the frequency hopping signal, and a signal jamming unit configured to jam in the active jamming mode the relevant emissions with a predictive jamming scheme based on the jamming trigger signals if the jamming trigger signals are available and based on a reactive jamming scheme or a barrage jamming scheme if the jamming trigger signals are not available.

Abstract: A cooling device includes an aluminum heat sink and at least one nickel sheet segment. The nickel sheet segment is connected to the aluminum heat sink by a solder layer. The cooling device includes a securing surface for securing and for heat absorption. The securing surface being formed by that side of the nickel sheet segment which faces away from aluminum heat sink. The aluminum heat sink is formed from a plurality of aluminum sheets which are stacked one above another and are connected to one another. At least one aluminum sheet includes cutouts which form a cooling channel covered by at least one of the aluminum sheets. Furthermore, a method for producing a cooling device and also a power circuit comprising a heat sink as described here are presented.

Abstract: The present invention provides a jamming device for jamming a frequency hopping signal, the jamming device comprising at least one receiving antenna configured to receive signals in the signal spectrum of the frequency hopping signal, an emission detection unit configured to detect relevant emissions in the received signals that pertain to the frequency hopping signal, and an effectivity analysis unit configured to determine and output the effectivity of the emission detection unit based on the number of detected relevant emissions and an expected number of relevant emissions of the frequency hopping signal. Further, the present invention provides a respective jamming method.

Abstract: A cable for transmitting electrical signals including an outer casing made of an electrically insulating material and at least N lines n with N?2 and N€N which are arranged within the outer casing, wherein each line m has a total of M wires made of an electrically conductive material with M?1 and M€N, wherein the wire m with m€[1, M], m€N, the line n with n E [1, N], n€N is surrounded by a dielectric having a predetermined value for the relative permittivity er(m,n)>1, wherein for each line n the value for the relative permittivity of the dielectrics (24. 26. 28. 30) of the wires (16, 18, 20, 22) of this line n is identical, except for deviations resulting from the manufacturing process, so that er(p·n)=er(p+q,n), where q€[1, M?p], q€Np € [1, M?1], p€N.

Abstract: The present disclosure relates to cooling devices. The teachings thereof may be embodied in methods for producing cooling devices and power circuits equipped with a cooling device. Embodiments may include cooling device having an aluminum cooling element; and at least one nickel metal sheet connected to the aluminum cooling element by a solder layer; wherein the cooling device includes a mounting surface formed by a side of the at least one nickel metal sheet facing away from the aluminum cooling element.

Abstract: A method for operating a portable dialysis device, comprising the following steps: continuously and alternately filling and emptying a hydraulic chamber with hydraulic fluid by a pump, wherein upon filling the hydraulic chamber, an at least partially flexible delivery membrane is moved towards a blood chamber adjoining the hydraulic chamber, in which blood is received, and wherein the blood flows tangentially along an inner wall of the blood chamber through an inlet side, whereby the blood chamber is compressed to eject the blood, and enhancing a return flow of the blood from the blood chamber while avoiding dead points in the flow in the blood chamber, and wherein upon emptying the hydraulic chamber, the delivery membrane is moved away from the blood chamber so that the blood chamber expands to receive the blood, so that a continuous, alternate compression and expansion of the blood chamber by the delivery membrane occurs, such that a continuous uninterrupted exchange of the blood in the blood chamber is per

Abstract: An electric drive unit having an electric motor and an electronic control unit, wherein the electric motor has at least a number of first electrical terminals and the electronic control unit has a number of second electrical terminals, wherein an electrical connection is formed between in each case a first electrical terminal and a second electrical terminal in such a way that a first busbar is connected to the first electrical terminal, or said terminal is embodied as such, and a second busbar is connected to the second electrical terminal, or said terminal is embodied as such, wherein the first busbar is electrically connected to the second busbar by means of a flexible electrically conductive element or a cable.

Abstract: The present disclosure relates to electric motors. The teachings thereof may be embodied in a power module, e.g., a power module for the delivery of a phase current for a current phase of an electric motor. For example, a power module may include: a circuit carrier having a surface; at least two first contact surfaces, a second contact surface, at least two third contact surfaces defined on the surface; a first power transistor connected to each of the at least two first contact surfaces; at least two second power transistors connected to the second contact surface; wherein the at least two second power transistors are connected via a further contact surface to one of the at least two third contact surfaces; and the at least two first and the at least two third contact surfaces are arranged one after the other, in one direction, and the second contact surface is disposed next to both the at least two first and the at least two third contact surfaces.

Abstract: The invention relates to a cable for transmitting electrical signals, comprising an outer casing made of an electrically insulating material and at least N lines n with N?2 and N?|N, which are arranged inside the outer casing, wherein each line m has a total of M wires made of an electrically conductive material with M?1 and M?|N, wherein the wire m with ?[1,M], m?|N of the line n with n?[1,N], n?|N is surrounded by a dielectric having a predetermined value for the relative permittivity ?r(m,n)>1. The following applies for at least two different lines: n=j and n=(j+s) ?r(m,j)=?r(m,j+s)?k(s) with m?[1,M], m?|N, j?[1,N?1], j?|N, s?[1, N?j], s?|N, wherein k(s)? and k(s)?[?2.0, ?0,01] and k(s)?[0.01,2.0].

Abstract: A nozzle channel (24) of a jet strip (18) extends from the first side (20) to the second side (22) of the jet strip (18) and defines a flow-through direction (30, 38). A second section (28) of the nozzle channel (24) is offset relative to a first section (26) in the direction transverse to the flow-through direction (30, 38).

Abstract: A method for the switched division of a high-voltage battery of a vehicle, which, for the purpose of charging the high-voltage battery, is connected to a charging column supplying a charging voltage of a specific voltage level, wherein the voltage level of the high-voltage battery results from a number M of series-connected modules of the same rated voltage, wherein the voltage level of the high-voltage battery corresponds to an integer multiple N of the voltage level of the charging voltage of the charging column, wherein the high-voltage battery is subdivided into N parallel-interconnected segments consisting of an equal number of modules by means of a first switch position of a number of power semiconductors.

Abstract: An arrangement for carrying out dynamic magnetic field measurements in a MR imaging or MR spectroscopy apparatus comprises at least one magnetic field probe (2) comprising a MR active substance (4), means (8, 10) for pulsed MR excitation of said substance and means (8, 10) for receiving an MR signal generated by said substance. The magnetic field probe further comprises a radio frequency shield (12) against external high-frequency electromagnetic field irradiation substantially surrounding the magnetic field probe. The shield is composed of conductive elements embedded in a dielectric material. The conductive elements are electrically conductive filaments and/or electrically conductive platelets.

Abstract: The present invention provides a jamming device for jamming a frequency hopping signal, the jamming device comprising at least one receiving antenna configured to receive signals in the signal spectrum of the frequency hopping signal, an emission detection unit configured to detect relevant emissions in the received signals that pertain to the frequency hopping signal, and an effectivity analysis unit configured to determine and output the effectivity of the emission detection unit based on the number of detected relevant emissions and an expected number of relevant emissions of the frequency hopping signal. Further, the present invention provides a respective jamming method.

Abstract: The present invention provides a jamming device for jamming a frequency hopping signal, the jamming device comprising at least one receiving antenna configured to receive signals in the signal spectrum of the frequency hopping signal, an emission detection unit configured to detect emissions in the received signals that possibly pertain to the frequency hopping signal, a signal analysis unit configured to analyze the detected emissions for determining characteristic properties of the frequency hopping signal in an analysis mode and configured to output corresponding jamming trigger signals in an active jamming mode if detected emissions pertain to the frequency hopping signal, and a signal jamming unit configured to jam in the active jamming mode the relevant emissions with a predictive jamming scheme based on the jamming trigger signals if the jamming trigger signals are available and based on a reactive jamming scheme or a barrage jamming scheme if the jamming trigger signals are not available.

Abstract: A portable dialysis device that can be continuously worn in and/or on the body of a patient, with a blood chamber in which the patient's blood can be received, a hydraulic chamber which can be filled with a hydraulic fluid and which adjoins the blood chamber, an at least partially flexible delivery membrane which is arranged between the hydraulic chamber and the blood chamber and which, when the hydraulic chamber is filled with hydraulic fluid, is movable in the direction of the blood chamber in such a way as to cause a compression of the blood chamber and therefore an ejection of the blood located therein, a pump for controllable filling and/or emptying of the hydraulic fluid in the hydraulic chamber, such that blood can in this way be conveyed into the blood chamber and/or out of the latter, a filter membrane which is arranged between the blood chamber and the hydraulic chamber and through which waste substances in the blood can be removed to the hydraulic fluid located in the hydraulic chamber, such that t

Abstract: A profile strip for a motor vehicle, in particular for a sealing assembly in a window or door area of a motor vehicle. The profile strip comprises a securing profile section that can be secured on a first part of the motor vehicle. The profile strip comprises a sealing profile section connected to the securing profile section, produced from a vulcanized rubber matrix and configured to allow relative movements with reduced friction between the profile strip and a second part of the motor vehicle. A contact surface of the sealing profile section that can be brought into contact with the second part is provided with an anti-friction coating that comprises an anti-friction coating matrix and anti-friction particles embedded in the anti-friction coating matrix that are produced from UHMWPE. The anti-friction coating matrix is a vulcanized EPDM matrix.