Abstract: A sensor device includes an electrically conductive carrier and a magnetic field sensor mounted on the electrically conductive carrier. The magnetic field sensor includes a first pair of first sensing elements configured to provide a first differential signal representative of a magnetic field generated by an electrical current through an electrical conductor and by eddy currents generated in the electrically conductive carrier. The magnetic field sensor further includes a second pair of second sensing elements configured to provide a second differential signal representative of a magnetic field generated by the eddy currents and independent of a magnetic field generated by the electrical current through the electrical conductor. The sensor device further includes a unit configured to provide an output signal based on a difference or a sum including the first differential signal and the second differential signal.

Abstract: The present relates to an inductive position determination system including a planar excitation coil and a first and a second planar receiving coil arrangement arranged within the planar excitation coil, and a target that is relative to the first and second planar receiving coil arrangements, wherein the first receiving coil arrangement and the second receiving coil arrangement respectively generate a first and a second output signal dependent on the position of the target, and wherein the lateral width extent of the first and second planar receiving coil arrangements varies in each case along the movement path of the target.

Abstract: The innovative concept described herein relates to a magnetic angle sensor system having a rotatable shaft, a permanent magnet coupled to the rotatable shaft, and a magnetic field sensor arranged opposite the permanent magnet, wherein the magnetic field sensor is configured to detect a magnetic field prevailing in its detection region. The magnetic angle sensor system comprises means for reducing and/or compensating for an inhomogeneous stray field component of a per se homogeneous external magnetic stray field.

Abstract: A sensor device contains a magnet, a first differential magnetic field sensor mounted on a first surface of the magnet, and a second differential magnetic field sensor mounted on a second surface of the magnet, the second surface being situated opposite the first surface.

Abstract: A magnetic field sensor includes a first sensor bridge circuit including a first plurality of magnetic field sensor elements and a second plurality of magnetic field sensor elements, wherein the first plurality of magnetic field sensor elements are positioned symmetrical to the second plurality of magnetic field sensor elements across a center of symmetry, wherein the first and the second pluralities of magnetic field sensor elements are separated by a first sensor pitch; and a second sensor bridge circuit including a third plurality of magnetic field sensor elements and a fourth plurality of magnetic field sensor elements, wherein the third plurality of magnetic field sensor elements are positioned symmetrical to the fourth plurality of magnetic field sensor elements across the center of symmetry, wherein the third and the fourth pluralities of magnetic field sensor elements are separated by a second sensor pitch that is equal to the first sensor pitch.

Abstract: A position sensor system comprises a magnetic strip extending in a readout direction and comprising magnetic poles alternating at a constant pitch along the readout direction. At least a first differential magnetoresistive sensor comprises magnetoresistive sensing elements spaced at the pitch. The magnetic poles of the magnetic strip and the first differential magnetoresistive sensor are movable with respect to each other in the readout direction.

Abstract: An absolute position measurement system includes a multipole magnet comprising alternating magnetic poles extending along a multipole extension direction, the alternating magnetic poles generating a magnetic field. A magnetic sensor includes a first sensor element arrangement configured to generate a first signal in response to a first magnetic field component and a second sensor element arrangement configured to generate a second signal in response to a second magnetic field component. The absolute position measurement system is configured, as a position of the magnetic sensor relative to the multipole magnet changes, to generate a first oscillating sensor signal with decreasing first signal amplitude and to generate a second oscillating sensor signal with decreasing second signal amplitude based on the first and second signals. A processing circuit is configured to calculate an absolute position of the magnetic sensor based on the first oscillating sensor signal and the second oscillating sensor signal.

Abstract: A magnetic sensor system includes a toothed wheel configured to rotate about a rotation axis that extends in an axial direction, wherein the toothed wheel includes a plurality of teeth and a plurality of notches arranged that define a circumferential perimeter, wherein the toothed wheel further includes an interior cavity arranged within the circumferential perimeter; a front-bias magnet arranged within the interior cavity of the toothed wheel, wherein the front-bias magnet is rotationally fixed and is magnetized with a magnetization direction that extends along a radial axis of the toothed wheel; and a magnetic sensor arranged exterior to the toothed wheel, wherein the magnetic sensor includes a sensor element arranged on the radial axis that coincides with the magnetization direction of the front-bias magnet and the first sensor element is sensitive to a magnetic field of the front-bias magnet that is aligned with the radial axis.

Abstract: A magnetic field sensor includes a first sensor bridge circuit including a first plurality of magnetic field sensor elements and a second plurality of magnetic field sensor elements, wherein the first plurality of magnetic field sensor elements are positioned symmetrical to the second plurality of magnetic field sensor elements across a center of symmetry, wherein the first and the second pluralities of magnetic field sensor elements are separated by a first sensor pitch; and a second sensor bridge circuit including a third plurality of magnetic field sensor elements and a fourth plurality of magnetic field sensor elements, wherein the third plurality of magnetic field sensor elements are positioned symmetrical to the fourth plurality of magnetic field sensor elements across the center of symmetry, wherein the third and the fourth pluralities of magnetic field sensor elements are separated by a second sensor pitch that is equal to the first sensor pitch.

Abstract: A current sensor includes a selector switch configured to output a first pair of differential sensor signals and a second pair of differential sensor signals if configured in a first switch state, and output a third pair of differential sensor signals and a fourth pair of differential sensor signals if configured in a second switch state; and a differential circuit coupled to the selector switch. If the selector switch is configured in the first switch state, the differential circuit is configured to generate a first output signal representative of a first difference between the first and the second pairs of differential sensor signals. If the selector switch is configured in the second switch state, the differential circuit is configured to generate a second output signal representative of a second difference between the third and the fourth pairs of differential sensor signals.

Abstract: An absolute position measurement system includes a multipole magnet including alternating magnetic poles extending along a multipole extension direction, the multipole magnet has a linear changing configuration relative to a linear path and produces a magnetic field having a field strength that undergoes a sinusoidal change along the linear path due to the alternating magnetic poles and a linear change along the linear path according to the linear changing configuration relative to the linear path; and a magnetic sensor configured to move along the linear path. The magnetic sensor includes a first sensor element arrangement configured to generate a first sensor signal, a second sensor element arrangement configured to generate a second sensor signal that is phase shifted with respect to the first sensor signal, and a processing circuit configured to calculate an absolute position of the magnetic sensor based on the first sensor signal and the second sensor signal.

Abstract: An example of a position sensor system includes a magnet arrangement with at least one north pole and one south pole each. A first sensor is spaced apart from the magnet arrangement, wherein the first sensor includes four magnetoresistive elements interconnected in a first full-bridge circuit and sensitive for a first field direction, wherein the two magnetoresistive elements of a first branch of the first full-bridge circuit are arranged at a distance of more than 0.5 mm apart and wherein the two magnetoresistive elements of a second branch of the second full-bridge circuit are arranged at the distance apart. The magnet arrangement and the sensor can be moved relative to each other in a measuring direction.

Abstract: A magnetic sensor system includes a toothed wheel configured to rotate about a rotation axis that extends in an axial direction, wherein the toothed wheel includes a plurality of teeth and a plurality of notches arranged that define a circumferential perimeter, wherein the toothed wheel further includes an interior cavity arranged within the circumferential perimeter; a front-bias magnet arranged within the interior cavity of the toothed wheel, wherein the front-bias magnet is rotationally fixed and is magnetized with a magnetization direction that extends along a radial axis of the toothed wheel; and a magnetic sensor arranged exterior to the toothed wheel, wherein the magnetic sensor includes a sensor element arranged on the radial axis that coincides with the magnetization direction of the front-bias magnet and the first sensor element is sensitive to a magnetic field of the front-bias magnet that is aligned with the radial axis.

Abstract: A sensor device includes a magnetic field sensor component, including a chip carrier having a connection conductor and a magnetic field sensor chip arranged on the chip carrier, and a magnet, wherein the magnetic field sensor component is arranged on a mounting surface of the magnet, wherein the mounting surface has an elevation and the connection conductor is bent around the elevation.

Abstract: A magnetic sensor module includes an axially polarized back bias magnet having a magnet body that radially extends from an inner sidewall to an outer sidewall and a bore that defines the inner sidewall. The axially polarized back bias magnet generates a radial bias magnetic in-plane field about a magnetization axis of the axially polarized back bias magnet in a sensor plane. The magnetic field has a magnetic flux density of substantially zero along the extension of the magnetization axis and along a perimeter of a zero-field closed loop located in the sensor plane. The magnetic sensor module includes a magnetic sensor including a plurality of sensor elements arranged in the sensor plane at locations where the radial bias magnetic in-plane field has the magnetic flux density of substantially zero, including at least two sensor elements being arranged on the perimeter of the zero-field closed loop.

Abstract: A magnetic sensor system includes a toothed wheel configured to rotate about a rotation axis that extends in an axial direction, wherein the toothed wheel includes a plurality of teeth and a plurality of notches arranged that define a circumferential perimeter, wherein the toothed wheel further includes an interior cavity arranged within the circumferential perimeter; a front-bias magnet arranged within the interior cavity of the toothed wheel, wherein the front-bias magnet is rotationally fixed and is magnetized with a magnetization direction that extends along a radial axis of the toothed wheel; and a magnetic sensor arranged exterior to the toothed wheel, wherein the magnetic sensor includes a sensor element arranged on the radial axis that coincides with the magnetization direction of the front-bias magnet and the first sensor element is sensitive to a magnetic field of the front-bias magnet that is aligned with the radial axis.

Abstract: An absolute position measurement system includes a multipole magnet including alternating magnetic poles extending along a multipole extension direction, the multipole magnet has a linear changing configuration relative to a linear path and produces a magnetic field having a field strength that undergoes a sinusoidal change along the linear path due to the alternating magnetic poles and a linear change along the linear path according to the linear changing configuration relative to the linear path; and a magnetic sensor configured to move along the linear path. The magnetic sensor includes a first sensor element arrangement configured to generate a first sensor signal, a second sensor element arrangement configured to generate a second sensor signal that is phase shifted with respect to the first sensor signal, and a processing circuit configured to calculate an absolute position of the magnetic sensor based on the first sensor signal and the second sensor signal.

Abstract: A magnetic sensor module includes an axially polarized back-bias magnet having a body that radially extends from a magnet center axis and a bore extending along the magnet center axis. The magnet generates a radial bias magnetic field about a magnetization axis in a sensor plane. The magnetic field has a magnetic flux density of substantially zero along a perimeter of a zero-field closed loop located in the sensor plane. The magnetic sensor module includes a shim polepiece mechanically coupled to an end of the axially polarized back-bias magnet. The shim polepiece includes a second bore centered on a polepiece center axis that is aligned with the magnet center axis. The second bore extends through the shim polepiece along the polepiece center axis.

Abstract: The herein disclosed innovative concept concerns a magnetic angle sensor and a method for operating the same. The sensor includes a magnetoresistive arrangement and a magnetic source being configured to be movable relative to the magnetoresistive arrangement. The magnetoresistive arrangement includes a first magnetoresistive element configured to generate a first output signal, a second magnetoresistive element configured to generate a second output signal, and a third magnetoresistive element configured to generate a third output signal. The first, second and third magnetoresistive elements are oriented relative to each other such that they form a symmetrical geometric arrangement with equal angular distances between each other.

Abstract: A position sensor system comprises a magnetic strip extending in a readout direction and comprising magnetic poles alternating at a constant pitch along the readout direction. At least a first differential magnetoresistive sensor comprises magnetoresistive sensing elements spaced at the pitch. The magnetic poles of the magnetic strip and the first differential magnetoresistive sensor are movable with respect to each other in the readout direction.