Abstract: Capacitive door handle sensor comprising at least one transmission electrode and a reception electrode, an operational amplifier configured as a charge amplifier and connected to the reception electrode, a switch for charge transfer, a first and a second switch for discharging the two operational amplifier inputs and, a capacitor arranged between the output and the inverting input of the operational amplifier, and a control unit for controlling and evaluating the measurement, wherein the control unit comprises a reference potential switching output which is connected to a terminal of the switch and is configured to selectively control a capacitance measurement between the transmission electrodes and the reception electrode or between the reception electrode and ground. Furthermore, methods for setting different operating modes are claimed.

Abstract: Capacitive door handle sensor comprising at least one transmission electrode and a reception electrode, an operational amplifier configured as a charge amplifier and connected to the reception electrode, a switch for charge transfer, a first and a second switch for discharging the two operational amplifier inputs and, a capacitor arranged between the output and the inverting input of the operational amplifier, and a control unit for controlling and evaluating the measurement, wherein the control unit comprises a reference potential switching output which is connected to a terminal of the switch and is configured to selectively control a capacitance measurement between the transmission electrodes and the reception electrode or between the reception electrode and ground. Furthermore, methods for setting different operating modes are claimed.

Abstract: An evaluation circuit for a capacitive sensor for detecting the distance, speed, or position of an object, comprises a reference capacitance and a measuring capacitance. A square wave voltage is applied to the reference capacitance and the measuring capacitance via a resistor, and a pulse which has a variable duration is obtained with the aid of a logic linking unit. The reference capacitance is connected to a first switching stage and the measuring capacitance is connected to a further switching stage. A single measuring capacitance has a capacitive coupling to an auxiliary electrode, and the switching stages are part of a logic linking unit. An output of the logic linking unit is connected to an integration stage. A charging capacitor (Ca) is charged or discharged via an output of the integration stage.

Abstract: The disclosure relates to a method for operating a pulse generator for generating measuring pulses for a capacitive sensor having an adjustable pulse time in the range from 10 ns to 200 ns, having a controllable delay circuit which contains a first integrating RC combination (RT1/CT1) and a second integrating RC combination (RT2/CT2), having a logical combining element having two inputs and one output, an initialization circuit and a control unit, wherein the first input of the logical combining element receives a clock signal, and the second input of the logical combining element receives an analog setting signal (SSE) from the output of the delay circuit, wherein two simultaneous clock signals are generated, of which the first clock signal (T) is led without delay to the first input of the logical combining element, and the second clock signal (T2), delayed by the delay circuit, is led to the second input of the logical combining element, time-variable output pulses are generated with the aid of time-variab

Abstract: The present invention provides an electronic circuit for controlling an actuator comprising a transceiver unit (1) for a bus system the bus terminal (2) of which has a monostable behavior with an active period of greater than 1 ms, wherein the transceiver unit (1) is controlled by a microcontroller (3), wherein the monostable behavior of the transceiver unit (1) is switched off with additionally superimposed control pulses, wherein the time interval between two control pulses is smaller than the monostable active period of the transceiver unit (1) and the control pulses are generated by temporal combination of two control signals the time resolution of which is lower than the pulse duration of the control pulses derived therefrom, which is implemented by use of a RC combination (4) and/or a logic gate (6) with a differentiating or delaying effect.

Abstract: The present invention relates to an evaluation circuit for a capacitive sensor for detecting the distance, speed or position of an object, comprising a reference capacitance and two measuring capacitances, wherein the reference capacitance and the measuring capacitances are supplied with a square-wave voltage via a resistor, and wherein by use of a logic unit a time variable pulse is obtained the duration of which is a measure for the respective measuring capacitance.

Abstract: The invention relates to a capacitive sensor, the associated evaluation circuit and an actuator for a motor vehicle having the above-mentioned sensor for detecting the distance, speed, or position of an object, having a reference capacitance and two measuring capacitances, wherein a square-wave voltage is applied to the reference capacitance and the measuring capacitances via a resistor and a pulse which has a variable period and represents a measure of the particular measuring capacitance is obtained with the aid of a switching stage.

Abstract: An evaluation circuit for a capacitive sensor for detecting the distance, speed, or position of an object, comprises a reference capacitance and a measuring capacitance. A square wave voltage is applied to the reference capacitance and the measuring capacitance via a resistor, and a pulse which has a variable duration is obtained with the aid of a logic linking unit. The reference capacitance is connected to a first switching stage and the measuring capacitance is connected to a further switching stage. A single measuring capacitance has a capacitive coupling to an auxiliary electrode, and the switching stages are part of a logic linking unit. An output of the logic linking unit is connected to an integration stage. A charging capacitor (Ca) is charged or discharged via an output of the integration stage.

Abstract: The present invention relates to an evaluation circuit for a capacitive sensor for detecting the distance, speed or position of an object, comprising a reference capacitance and two measuring capacitances, wherein the reference capacitance and the measuring capacitances are supplied with a square-wave voltage via a resistor, and wherein by use of a logic unit a time variable pulse is obtained the duration of which is a measure for the respective measuring capacitance.

Abstract: The disclosure relates to a method for operating a pulse generator for generating measuring pulses for a capacitive sensor having an adjustable pulse time in the range from 10 ns to 200 ns, having a controllable delay circuit which contains a first integrating RC combination (RT1/CT1) and a second integrating RC combination (RT2/CT2), having a logical combining element having two inputs and one output, an initialization circuit and a control unit, wherein the first input of the logical combining element receives a clock signal, and the second input of the logical combining element receives an analog setting signal (SSE) from the output of the delay circuit, wherein two simultaneous clock signals are generated, of which the first clock signal (T) is led without delay to the first input of the logical combining element, and the second clock signal (T2), delayed by the delay circuit, is led to the second input of the logical combining element, time-variable output pulses are generated with the aid of time-variab

Abstract: The invention relates to a capacitive sensor, the associated evaluation circuit and an actuator for a motor vehicle having the above-mentioned sensor for detecting the distance, the speed or the position of an object, having a reference capacitance 1 and two measuring capacitances 2, wherein a square-wave voltage 3 is applied to the reference capacitance 1 and the measuring capacitances 2 via a resistor and a pulse 7 which has a variable period and represents a measure of the particular measuring capacitance 2 is obtained with the aid of a switching stage 4, wherein the reference capacitance 1 is connected to the input of a first switching stage 41 and the measuring capacitances 2 are connected to the inputs of further switching stages 42, 43, wherein the switching stages 42, 43 have enable inputs which are controlled by the output of the first switching stage 41, wherein the outputs of the switching stages 42, 43 are each connected to the input of one of the integration stages 5, wherein a charging capacitor

Abstract: The subject matter of the invention is a chain link of an energy-guiding chain for guiding cables, lines, hoses and the like between a positionally fixed connection point and a moveable connection point, wherein the chain link is formed in one piece from at least one plastic by two lugs, which are arranged spaced apart from one another, and at least one transverse web which connects the lugs by means of a connecting region. At least one of the lugs has at least one recess which is formed adjacent to the connecting region.

Abstract: The invention relates to a means of therapy and prophylaxis of Diabetes mellitus Type 1 and Type 2. Fields of application of the invention are medicine and the pharmaceutical industry. The invention has the objective of developing a new kind of means for therapy and prophylaxis of Diabetes mellitus. The means according to the invention entails physically and/or chemically activated minerals and, if applicable, further substances. Preferred substances are heulandite/klinoptilolith, natrolith or thomsonite. The particle diameter preferably below 5 ?m.

Abstract: The invention relates to a chain link for a power transmission chain, at least partly embodied from a composition containing at least: a. a recyclable raw material, b. a material for binding said recyclable raw material and c. optional adjuncts and additives. In comparison to conventional chain links, the above chain link can be produced in a more environmentally-friendly and economical manner with a saving of non-recyclable raw materials, such as for example crude oil whilst retaining similar or adequate functional properties in comparison with conventional chain links for power transmission chains.

Abstract: The subject matter of the invention is a chain link of an energy-guiding chain for guiding cables, lines, hoses and the like between a positionally fixed connection point and a moveable connection point, wherein the chain link is formed in one piece from at least one plastic by two lugs (1, 2), which are arranged spaced apart from one another, and at least one transverse web (3) which connects the lugs by means of a connecting region. At least one of the lugs has at least one recess (4, 5, 10, 11) which is formed adjacent to the connecting region.

Abstract: A technique for building up a dialogue control is provided. The dialogue control controls a computer system by outputting requests to a dialogue partner and evaluating input from the dialogue partner in reaction to the requests. An input is received from a user for selecting a dialogue object. A dialogue object is a data element with at least one data field, the contents of which specifying a request to the dialogue partner or a parameter influencing how an input from the dialogue partner is evaluated during execution of the dialogue control. Further, an input is received from the user for defining the content of at least one data field of the selected dialogue object. The dialogue object controls the computer system during execution of the dialogue control in dependence of the selected dialogue object and the defined content of the at least one data field of the selected dialogue object.

Abstract: The invention relates to a chain link for a power transmission chain, at least partly embodied from a composition containing at least: a. a recyclable raw material, b. a material for binding said recyclable raw material and c. optional adjuncts and additives. In comparison to conventional chain links, the above chain link can be produced in a more environmentally-friendly and economical manner with a saving of non-recyclable raw materials, such as for example crude oil whilst retaining similar or adequate functional properties in comparison with conventional chain links for power transmission chains.

Abstract: A proximity switch is described, specifically a capacitive proximity switch, with two signal transmitters (1, 2) and with one signal receiver (3), a first signal output (4, 5) of each of the two signal transmitters (1, 2) being connected to one another and to a first signal input (6) of the signal receiver (3), and a second signal output (7, 8) of each of the two signal transmitters (1, 2) being connected via a respective signal transmission path (9, 10) to a second signal input (11) of the signal receiver (3), and at least one of the two signal transmission paths (9, 10) can be influenceable by an actuating object.

Abstract: A capacitive switch is presented including an oscillator, with a gauge length and an evaluation circuit. The oscillator delivers a measurement signal and the gauge length has at least one sensor with a sending electrode and a measurement electrode. The switch has a low noise emission and is especially invulnerable to incident noise due to the fact that there is a noise source and two correlators. In the first correlator, frequency-spreading of the measurement signal takes place. The frequency-spreading measurement signal is connected to the second input of the second correlator and to the sending electrode. The measurement electrode is connected to the first input of the second correlator.

Abstract: A circuit for acquisition of the capacitance or capacitance change of a capacitive circuit component with a clock generator (1), changeover contact (2) controlled by the clock generator (1), a storage capacitor (3), a voltage source (4), and an evaluation stage (5). An electrode of the capacitive circuit component is connected to the input (7) of the changeover contact (2), a first output (8) of the changeover contact (2) is connected to a first electrode of the storage capacitor (3), a first electrode of the storage capacitor (3) is connected, on the one hand, via a resistance network (9) to the voltage source (4), and on the other hand, to the evaluation stage (5). The second electrode of the storage capacitor (3) is connected to a reference potential (10). In a first aspect of the invention, the circuit can compensate for disruptive influences especially well by the evaluation stage (5) being suitable for current evaluation with essentially no voltage excursions occurring on the changeover contact (2).