Abstract: An electric circuit according to an embodiment of the present disclosure includes only a single amperemeter configured to measure either a positive current or a negative current through a respective measurement resistance between a respective high voltage potential and a common ground potential. The respective actual measurement resistance value of the unmeasured measurement resistance is calculated by applying a respectively calculated actual measurement resistance value of the respective measured measurement resistance, a calculated actual positive isolation resistance value, and a calculated negative isolation resistance value.

Abstract: A battery system includes: a battery management system comprising a DC/DC converter and a system basis chip; a microcontroller connected to the system basis chip to receive power from the system basis chip; and a relay driver configured to control a relay. The DC/DC converter receives power from a power source, and the system basis chip receives an output voltage from the DC/DC converter. The relay driver is connected to a node between the system basis chip and the DC/DC converter to receive the output voltage from the DC/DC converter. The microcontroller is electrically connected to the relay driver and is configured to: before switching the relay, control the DC/DC converter to increase the output voltage from a first voltage to a higher second voltage; and control the relay driver to switch the relay while the DC/DC converter outputs the second voltage.

Abstract: An electric current measuring arrangement includes: a first control unit including a first microcontroller; a second control unit including: a second microcontroller; an amplifier electrically interconnected between the second microcontroller and terminals of a shunt resistor for current measurement; and a node interconnected between one of the terminals of the shunt resistor and the amplifier; a communication line communicatively connecting the first control unit and the second control unit. The first microcontroller is configured to generate a test pattern signal, and to transmit the test pattern signal to the second control unit through the communication line, the second control unit is configured to transmit the test pattern signal to the node, the second microcontroller is configured to receive a measuring signal through the amplifier, and the first microcontroller is configured to receive the measuring signal, compare the measuring signal with the test pattern signal, and verify the current measurement.

Abstract: A relay control system for a battery system is provided. The relay control system includes: an electrical interface configured to detachably receive a connector; a power supply electrically connected in parallel to a coil of a relay through power supply lines; a relay driver switch interconnected between the power supply and the coil in one of the power supply lines; and a controller electrically connected in parallel to the relay driver switch through relay driver control lines to control the relay driver switch. One of the power supply lines or the relay driver control lines is routed across the interface, and the relay control system is configured to open the relay when the one of the power supply lines or the relay driver control lines is interrupted in response to the connector being detached from the interface.

Abstract: A battery system for an electric vehicle, including: a high voltage (HV) battery subsystem including a battery cell stack with battery cells electrically connected between stack nodes; a low voltage (LV) battery subsystem including a LV battery and a supply node connectFed to the LV battery; a DC/DC converter with a primary coil in the HV battery subsystem and a secondary coil in the LV battery subsystem, wherein the primary coil is connected to one of the stack nodes via a switch. A threshold signal indicative of a voltage at the supply node may be generated in the LV battery subsystem and may be transmitted to the HV battery system. A state of the switch may be controlled based on the threshold signal.

Abstract: An electric circuit according to an embodiment of the present disclosure includes only a single amperemeter configured to measure either a positive current or a negative current through a respective measurement resistance between a respective high voltage potential and a common ground potential. The respective actual measurement resistance value of the unmeasured measurement resistance is calculated by applying a respectively calculated actual measurement resistance value of the respective measured measurement resistance, a calculated actual positive isolation resistance value, and a calculated negative isolation resistance value.

Abstract: A battery module for use with an electric vehicle is disclosed. In one aspect, the battery module includes a power source and an isolation monitoring circuit electrically connected with the power source. The electric vehicle includes a Y-capacitor module. The isolation monitoring circuit can discharge the Y-capacitor module when the battery module is electrically connected with the electric vehicle. According to at least one of the disclosed embodiments, no additional HV efforts to discharge a Y-capacitor, and discharge of a vehicle Y-capacitor can be performed on the battery side.

Abstract: An electric current measuring arrangement includes: a first control unit including a first microcontroller; a second control unit including: a second microcontroller; an amplifier electrically interconnected between the second microcontroller and terminals of a shunt resistor for current measurement; and a node interconnected between one of the terminals of the shunt resistor and the amplifier; a communication line communicatively connecting the first control unit and the second control unit. The first microcontroller is configured to generate a test pattern signal, and to transmit the test pattern signal to the second control unit through the communication line, the second control unit is configured to transmit the test pattern signal to the node, the second microcontroller is configured to receive a measuring signal through the amplifier, and the first microcontroller is configured to receive the measuring signal, compare the measuring signal with the test pattern signal, and verify the current measurement.

Abstract: A battery system for an electric vehicle, including: a high voltage (HV) battery subsystem including a battery cell stack with battery cells electrically connected between stack nodes; a low voltage (LV) battery subsystem including a LV battery and a supply node connected to the LV battery; a DC/DC converter with a primary coil in the HV battery subsystem and a secondary coil in the LV battery subsystem, wherein the primary coil is connected to one of the stack nodes via a switch. A threshold signal indicative of a voltage at the supply node may be generated in the LV battery subsystem and may be transmitted to the HV battery system. A state of the switch may be controlled based on the threshold signal.

Abstract: A battery system includes a stack of battery cells connected between first and second stack nodes, the stack to supply a stack voltage to a first battery system output node connected to the first stack node; a DC/DC converter to receive a first output voltage of the stack, and to down-convert the first output voltage to a second output voltage; a battery actuator interconnected between the stack and one of the first battery system output node and a second battery system output node, and controlled to be set either conductive or non-conductive; and a controller to control the battery actuator, the controller including a first input node receiving the second output voltage and a second input node connected to the second stack node, the controller to output a first switch signal via a first controller output node and a second switch signal via a second controller output node.

Abstract: A passive conjunction circuit for an analog-to-digital converter (ADC) is disclosed. In one aspect, the passive conjunction circuit includes a first input node receiving an analog input signal to be converted by the ADC and a second input node receiving a reference voltage other than a ground voltage of the ADC. The passive conjunction circuit also includes a first output node to be connected to a first differential input of the ADC (20) and a second output node to be connected to a second differential input of the ADC. The passive conjunction circuit further includes a first voltage divider interconnected between the first input and output nodes and a second voltage divider interconnected between the second input and output nodes.

Abstract: A battery module for use with an electric vehicle is disclosed. In one aspect, the battery module includes a power source and an isolation monitoring circuit electrically connected with the power source. The electric vehicle includes a Y-capacitor module. The isolation monitoring circuit can discharge the Y-capacitor module when the battery module is electrically connected with the electric vehicle. According to at least one of the disclosed embodiments, no additional HV efforts to discharge a Y-capacitor, and discharge of a vehicle Y-capacitor can be performed on the battery side.

Abstract: A passive conjunction circuit for an analog-to-digital converter (ADC) is disclosed. In one aspect, the passive conjunction circuit includes a first input node receiving an analog input signal to be converted by the ADC and a second input node receiving a reference voltage other than a ground voltage of the ADC. The passive conjunction circuit also includes a first output node to be connected to a first differential input of the ADC (20) and a second output node to be connected to a second differential input of the ADC. The passive conjunction circuit further includes a first voltage divider interconnected between the first input and output nodes and a second voltage divider interconnected between the second input and output nodes.

Abstract: An implant for repairing a cartilage defect comprising a first layer and a second layer. The first layer comprises a membrane-like structure and the second layer comprises a sponge-like structure with directional and/or interconnected pores. The first layer is facing the synovial space and the second layer is located towards bone.

Abstract: A hot drinks machine is provided that is configured to perform a cleaning program and a descaling program, both of which require the use of a service function object. The hot drinks machine is formed with a holder for the service function object.

Abstract: The present invention relates to specific mixtures comprising catenated aminopropyl-functional alkoxysiloxanes of the general formula I and/or cyclic aminopropyl-functional alkoxysiloxanes of the general formula II in which the R groups independently consist of (i) aminopropyl-functional groups of the formula —(CH2)3—NH2,—(CH2)3—NH(CH2)2—NH2 and/or —(CH2)3—NH(CH2)2—NH(CH2)2—NH2, (ii) methoxy and/or ethoxy groups and (iii) optionally butyl or octyl groups, m is an integer from 2 to 30 and n is an integer from 3 to 30, where not more than one aminoalkyl-functional group is bonded to any silicon atom in a compound of the formula I and/or II, and where the quotient of the molar ratio of Si to alkoxy groups is at least 0.3, and to a process for production thereof. These are of excellent suitability for application in adhesives and sealants and are notable here for improved bonding, especially on substrates that are difficult to bond to one another.

Abstract: What are described are compositions comprising a) a polymer modified with at least one silane group (R1)a(X)bSi— in which X is selected from the group of the R2O—, R2NH—, R2O—CO— and (R2)2C?N—O— radicals, R1 and R2 are each independently alkyl, cycloalkyl and/or aryl, a is 0, 1 or 2, b is 1, 2 or 3 and the sum total of a and b is 3, and b) a mixture of catenated and/or cyclic siloxanes of the general formulae I and/or II in which the individual R radicals are each independently alkoxy, alkoxyalkoxy, alkyl, alkenyl, cycloalkyl and/or aryl and some of the R radicals are aminoalkyl-functional groups of the formula —CoH2o—NH2, —CoH2o—NHR?, —CoH2o—NRR?, —CoH2o—NH—CpH2p—NH2 or —CoH2o—NH—CpH2p—NH—CqH2q—NH2, in which R? is alkyl, cycloalkyl or aryl and R takes one of the above definitions or in which R and R? bonded to a nitrogen atom, together with the common nitrogen atom, form a five- to seven-membered heterocyclic ring, in which R? and R take one of the above definitions, o is independently integers from

Abstract: A cartridge receptacle for a brewing chamber of a hot beverage machine operating on the basis of dimensionally stable beverage cartridges, includes a cartridge carrier, a cartridge holder and a locking device for mounting the beverage cartridge on the cartridge carrier. The cartridge receptacle has at least one damping device that is suitable for compensating for an internal pressure generated in the beverage cartridge by a brewing and/or steam pressure.

Abstract: A method for producing a two-chip assembly includes: providing a wafer having a first thickness, which wafer has a front side and a back side, a first plurality of first chips being provided on the front side of the wafer; attaching a second plurality of second chips on the front side of the wafer, so that every first chip is joined in each instance to a second chip and forms a corresponding two-chip pair; forming a cohesive mold package on the front side of the wafer, so that the second chips are packaged; thinning the wafer from the back side to a second thickness which is less than the first thickness; forming vias from the back side to the second chips; and separating the two-chip pairs into corresponding two-chip assemblies.

Abstract: To improve a cartilage replacement implant for the biological regeneration of a damaged cartilage area of articular cartilage in the human body, comprising a cell carrier which has a defect-contacting surface for placement on the damaged cartilage area and is formed and designed for colonization with human cells, so that after implantation of the cartilage replacement implant, formation of a gap between adjacent contact surfaces of the implant and surrounding recipient tissue is minimized, it is proposed that the cell carrier rest with surface-to-surface contact on a carrier and be joined to the carrier at a cell carrier surface that faces away from the defect-contacting surface. A method for producing a cartilage replacement implant is also proposed.