Abstract: An operating method for a data/signal evaluation system in an ultrasonic operation assistance system, in which a plurality of digital signal-processing processors is developed in a sequential pipeline for the evaluation of data and/or signals, including a first operating mode for processing tasks requiring a comparatively greater processing effort with a comparatively greater measure of processing power to be generated by the digital signal-processing processors, and having a second operating mode for processing tasks requiring a comparatively lower processing effort with a comparatively lower measure of processing power to be generated by the digital signal-processing processors. In the first operating mode, the digital signal-processing processors of the sequential pipeline are operated in parallel with each other, and in the second operating mode at least one pair of the plurality of signal-processing processors of the sequential pipeline is operated sequentially.

Abstract: A battery sensor data transmission unit is described as including a data transmission unit, which is designed to output a sensor signal, which represents a physical variable in or at the battery cell to an evaluation device, using a battery housing wall and/or a wall of a battery cell as the transmission medium.

Abstract: A control circuit for a microelectromechanical element includes: a waveform generator, which is designed to generate a digital trigger signal for the microelectromechanical element, a modulator, which is designed to oversample the digital trigger signal, to subject the signal to a noise shaping, and to output the oversampled and noise-shaped digital trigger signal; and a digital driver device, which is designed to drive the microelectromechanical element using the oversampled and noise-shaped digital trigger signal.

Abstract: A battery sensor data transmission unit is described as including a connection state ascertainment unit for ascertaining a series connection state in which a battery cell is connected in series to one other battery cell with the aid of a power transmission line and/or for determining a bypassing state in which at least one pole of the battery cell is decoupled from at least one other battery cell. Furthermore, the battery sensor data transmission unit includes a data transmission unit designed for outputting a sensor signal, which represents a physical variable in or at the battery cell, in the series connection state to an evaluation device using the power transmission line and/or outputting the sensor signal in the bypassing state to the evaluation device using a battery housing wall as the transmission medium.

Abstract: A method for determining the charge state of a battery in a motor vehicle includes steps of applying a measuring voltage to a coil, cyclically reversing the polarity of the measuring voltage if the absolute value of the secondary current flowing through the coil exceeds a predetermined threshold value, scanning the secondary current, reconstructing the curve of the secondary current based on the scanned secondary current values, and determining the charge state based on the curve of the secondary current values.

Abstract: A controller for actuating a micromechanical actuator, including a first signal input which is designed to receive a reference signal, a second signal input which is designed to receive a measuring signal which denotes a recorded response by the micromechanical actuator to a control signal, a first controller element which is designed to filter and/or to attenuate predefined frequency modes and/or predefined frequency components in the received reference signal and to output a filtered and/or attenuated reference signal, a second controller element which is designed to modify the received measuring signal in order to minimize the quality of the first mode of the received measuring signal and to output a modified measuring signal, a third controller element which is designed to minimize the deviation between the filtered and/or attenuated reference signal and the received measuring signal and to output a minimized reference signal, a fourth controller element which is designed to modify the bandwidth of the re

Abstract: A controller for actuating a micromechanical actuator, including a first signal input which is designed to receive a reference signal, a second signal input which is designed to receive a measuring signal which denotes a recorded response by the micromechanical actuator to a control signal, a first controller element which is designed to filter and/or to attenuate predefined frequency modes and/or predefined frequency components in the received reference signal and to output a filtered and/or attenuated reference signal, a second controller element which is designed to modify the received measuring signal in order to minimize the quality of the first mode of the received measuring signal and to output a modified measuring signal, a third controller element which is designed to minimize the deviation between the filtered and/or attenuated reference signal and the received measuring signal and to output a minimized reference signal, a fourth controller element which is designed to modify the bandwidth of the re

Abstract: A battery sensor data transmission unit is described as including a connection state ascertainment unit for ascertaining a series connection state in which a battery cell is connected in series to one other battery cell with the aid of a power transmission line and/or for determining a bypassing state in which at least one pole of the battery cell is decoupled from at least one other battery cell. Furthermore, the battery sensor data transmission unit includes a data transmission unit designed for outputting a sensor signal, which represents a physical variable in or at the battery cell, in the series connection state to an evaluation device using the power transmission line and/or outputting the sensor signal in the bypassing state to the evaluation device using a battery housing wall as the transmission medium.

Abstract: A battery sensor data transmission unit is described as including a data transmission unit, which is designed to output a sensor signal, which represents a physical variable in or at the battery cell to an evaluation device, using a battery housing wall and/or a wall of a battery cell as the transmission medium.

Abstract: A micro-mirror system having a micro-mirror actuator, a sensor for detecting the position of the micro-mirror actuator, a light module having at least one light source and an associated control system via which a light intensity of the light source is controllable, and an evaluation and control unit which is designed to control the micro-mirror actuator as a function of an output signal of the sensor. The system provides that the evaluation and control unit includes a compensation routine in which an offset voltage of the output signal of the sensor is settable as a function of the light intensity of the light source to be expected at the point in time that the micro-mirror actuator is activated.

Abstract: A circuit configuration for a node of a bus system includes a transceiver circuit and a control circuit connected to the transceiver circuit. The transceiver circuit has an idle mode, in which it has a reduced power consumption in comparison with at least one operating mode, and the transceiver circuit is supplied with power in the at least one operating mode via a power supply unit integrated into the transceiver circuit. The control circuit is connected to the power supply unit to supply the control circuit with power in the idle mode, and the circuit configuration has a controllable voltage regulator which is coupled to the transceiver circuit in such a way that the voltage regulator is deactivated in the idle mode to reduce the power consumption and activated in the operating mode to supply power to the transceiver circuit and the control circuit.

Abstract: In a method for ascertaining a rotational direction of a rotating body, one rotational direction and one rotational speed value which indicates the rotational frequency of the rotating body are ascertained in each of multiple measurements. The rotational speed values of the multiple measurements are compared to each other, and a rotational direction of the rotating body is ascertained from the measured rotational directions and the comparison of the rotational speed values.

Abstract: A control circuit for a microelectromechanical element includes: a waveform generator, which is designed to generate a digital trigger signal for the microelectromechanical element, a modulator, which is designed to oversample the digital trigger signal, to subject the signal to a noise shaping, and to output the oversampled and noise-shaped digital trigger signal; and a digital driver device, which is designed to drive the microelectromechanical element using the oversampled and noise-shaped digital trigger signal.

Abstract: A system for checking a program memory) of a processing unit includes a check module, and the processing unit is made up of an instruction counter connected to the check module. The check module has a register connected to a first changeover switch that sets the register content. In a system that allows for the instruction addresses of the entire program memory to be checked, the instruction counter contains an ancillary counter, which runs through the instruction address space of the program memory independently of the program code during normal operation and which is connected to the register.

Abstract: In a method for detecting a rolling motion of a wheel in a motor vehicle, a wheel acceleration variable characterizing a wheel acceleration is recorded using at least one sensor element, the wheel acceleration variable is scanned at various scanning points in time, and the presence of a rolling motion is detected with the aid of the scanned values. The wheel acceleration variable is scanned in a cycle, including at least three scanning points in time, of nonequidistant points in time.

Abstract: A micro-mirror system having a micro-mirror actuator, a sensor for detecting the position of the micro-mirror actuator, a light module having at least one light source and an associated control system via which a light intensity of the light source is controllable, and an evaluation and control unit which is designed to control the micro-mirror actuator as a function of an output signal of the sensor. The system provides that the evaluation and control unit includes a compensation routine in which an offset voltage of the output signal of the sensor is settable as a function of the light intensity of the light source to be expected at the point in time that the micro-mirror actuator is activated.

Abstract: A method for determining the charge state of a battery in a motor vehicle includes steps of applying a measuring voltage to a coil, cyclically reversing the polarity of the measuring voltage if the absolute value of the secondary current flowing through the coil exceeds a predetermined threshold value, scanning the secondary current, reconstructing the curve of the secondary current based on the scanned secondary current values, and determining the charge state based on the curve of the secondary current values.

Abstract: A method and a device are described for determining the rotational direction and/or rotational speed of a rotatable body on the basis of a sine signal and cosine signal, which is assignable to the rotational direction and/or rotational speed of the rotatable body and are output by a sensor, having at least one of the following steps: recording a sine signal and cosine signal, which is assignable to the rotational direction and/or rotational speed, at a point in time; determining a phase value from the sine signal and cosine signal; recording sine signals and cosine signals, which is assignable to the rotational direction and/or rotational speed, at points in time; determining phase values from the corresponding sine signals and cosine signals; calculating phase differences from the phase values and the phase value; and determining the rotational direction and/or rotational speed from the phase differences on the basis of a Vernier method.

Abstract: A method, actuating device, and microsystem device are described for controlling a micromechanical actuator, which has a rechargeable capacitor for generating a mechanical motion of the micromechanical actuator, a memory having a lookup table containing previously computed data of signal shapes for controlling the micromechanical actuator, and a driver circuit having a driver circuit control unit for processing the previously computed data, a power stage for generating the signal shapes, and an output for outputting the signal shapes, corresponding to previously computed data, to the micromechanical actuator's rechargeable capacitor. The micromechanical actuator has a limiting device, between the output of the driver circuit and the micromechanical actuator, which is for limiting a voltage excursion of the signal shapes output by the driver circuit, which are usable for generating the mechanical motion by recharging the micromechanical actuator's rechargeable capacitor.

Abstract: A circuit configuration for a node of a bus system includes a transceiver circuit and a control circuit connected to the transceiver circuit. The transceiver circuit has an idle mode, in which it has a reduced power consumption in comparison with at least one operating mode, and the transceiver circuit is supplied with power in the at least one operating mode via a power supply unit integrated into the transceiver circuit. The control circuit is connected to the power supply unit to supply the control circuit with power in the idle mode, and the circuit configuration has a controllable voltage regulator which is coupled to the transceiver circuit in such a way that the voltage regulator is deactivated in the idle mode to reduce the power consumption and activated in the operating mode to supply power to the transceiver circuit and the control circuit.