A rotor position sensor for a motor vehicle for sensing the rotational position of a rotor of an electric motor includes a sensor housing, in which the components of the rotor position sensor are accommodated. At least part of the sensor housing forms a cover for closing a motor housing of the electric motor.

The invention relates to an apparatus, in particular of a joystick, for detecting a tilt angle of a pivot lever (2, 2′), having a pivot lever (2, 2′) which can be tilted about a fulcrum (S) relative to a predefined axis (Z), having a magnetic device which is arranged on the pivot lever (2, 2′) and can be moved with the latter, and a sensor device (5) which is at a distance from the pivot lever (2, 2′) and is designed to detect a magnetic field, and having an evaluation device for determining the tilt angle on the basis of the detected magnetic field, wherein the magnetic device has at least one cylindrical permanent magnet (3, 3′) with uniaxial magnetization (4). The apparatus according to the invention is characterized in that the pivot lever (2, 2′) is held, with respect to its axis (Z), so that it can be translationally deflected in the direction of the sensor device (5), and the permanent magnet (3, 3′), on its end facing the sensor device (5), tapers radially cylindrically along the extent of a predefined axial end section. The invention also relates to a permanent magnet (3, 3′) for such an apparatus.

The invention relates to an apparatus, in particular of a joystick, for detecting a tilt angle of a pivot lever (2, 2′), having a pivot lever (2, 2′) which can be tilted about a fulcrum (S) relative to a predefined axis (Z), having a magnetic device which is arranged on the pivot lever (2, 2′) and can be moved with the latter, and a sensor device (5) which is at a distance from the pivot lever (2, 2′) and is designed to detect a magnetic field, and having an evaluation device for determining the tilt angle on the basis of the detected magnetic field, wherein the magnetic device has at least one cylindrical permanent magnet (3, 3′) with uniaxial magnetization (4). The apparatus according to the invention is characterized in that the pivot lever (2, 2′) is held, with respect to its axis (Z), so that it can be translationally deflected in the direction of the sensor device (5), and the permanent magnet (3, 3′), on its end facing the sensor device (5), tapers radially cylindrically along the extent of a predefined axial end section. The invention also relates to a permanent magnet (3, 3′) for such an apparatus.

An electronic system includes a first LC oscillator connected to a first general-purpose input/output (GPIO) circuit and a second LC oscillator connected to a second GPIO circuit. A threshold generator is coupled to an input of the comparator. A control circuit is configured to control a measurement phase comprising a first capture phase and a second capture phase. A microcontroller is coupled to the control circuit and a power management circuit is configured to switch-off the microcontroller following activation of the control circuit by the microcontroller. The control circuit is configured to control the application of an excitation signal to the each oscillator via the respective GPIO circuit, control the GPIO circuit so that oscillations of the oscillator are provided to the comparator, and count, based on an output of the comparator, a number of oscillations in the oscillator exceeding a threshold output by the threshold generator.

An electronic system includes a first LC oscillator connected to a first general-purpose input/output (GPIO) circuit and a second LC oscillator connected to a second GPIO circuit. A threshold generator is coupled to an input of the comparator. A control circuit is configured to control a measurement phase comprising a first capture phase and a second capture phase. A microcontroller is coupled to the control circuit and a power management circuit is configured to switch-off the microcontroller following activation of the control circuit by the microcontroller. The control circuit is configured to control the application of an excitation signal to the each oscillator via the respective GPIO circuit, control the GPIO circuit so that oscillations of the oscillator are provided to the comparator, and count, based on an output of the comparator, a number of oscillations in the oscillator exceeding a threshold output by the threshold generator.

An angle measurement device is provided positioning an electrical component on a cylindrical workpiece. The device includes upper and lower housings which are pivotally coupled together, and spaced apart magnetic elements mounted to an upper surface of the upper housing, and a biasing member coupled to the housings. The biasing member is configured to bias the housings into a closed position.

An angle measurement device is provided positioning an electrical component on a cylindrical workpiece. The device includes upper and lower housings which are pivotally coupled together, and spaced apart magnetic elements mounted to an upper surface of the upper housing, and a biasing member coupled to the housings. The biasing member is configured to bias the housings into a closed position.

An angle sensor comprising: a plurality of magnetic field sensing elements configured to detect a magnetic field and generate a respective plurality of analog magnetic field signals; a plurality of analog frontend circuits each analog frontend circuit associated with a respective magnetic field sensing element; and a digital feedback circuit configured to generate digital magnetic field signals from the plurality of analog magnetic field signals and generate digital error correction values, wherein the plurality of analog frontend circuits are configured to obtain the digital error correction values from the digital feedback circuit, generate analog correction values from the digital error correction values, and apply the analog correction values to the plurality of analog magnetic field signals to generate a plurality of corrected analog magnetic field signals.

An angle sensor comprising: a plurality of magnetic field sensing elements configured to detect a magnetic field and generate a respective plurality of analog magnetic field signals; a plurality of analog frontend circuits each analog frontend circuit associated with a respective magnetic field sensing element; and a digital feedback circuit configured to generate digital magnetic field signals from the plurality of analog magnetic field signals and generate digital error correction values, wherein the plurality of analog frontend circuits are configured to obtain the digital error correction values from the digital feedback circuit, generate analog correction values from the digital error correction values, and apply the analog correction values to the plurality of analog magnetic field signals to generate a plurality of corrected analog magnetic field signals.

To reduce the influence of backlash in a reduction mechanism on detection accuracy. An absolute encoder includes a first worm gear portion rotating according to rotation of a main shaft and a first worm wheel portion meshing with the first worm gear portion. The absolute encoder is provided coaxially with the first worm wheel portion and includes a second worm gear portion rotating according to rotation of the first worm wheel portion and a second worm wheel portion meshing with the second worm gear portion. The absolute encoder also includes a biasing mechanism biasing the second worm gear portion in the direction of the second worm wheel portion.