Abstract: A bearing assembly includes a bearing unit configured to support a rotatable component relative to a stationary component which may be a bearing carrier, the bearing unit including a stationary bearing ring and a rotatable bearing ring. The rotatable bearing ring is connectable to the rotatable component and the stationary bearing ring is connectable to the bearing carrier such that they are rotationally fixed. At least part of the bearing unit is not covered by the bearing carrier.

Abstract: A method for detecting a phase shift in an output signal of an inductive position sensor by calculating the phase spectrum of the position signal based on a Fast Fourier Transformation of the position signal and comparing the calculated phase spectrums over time to detect changes in the phase spectrums.

Abstract: Embodiments of the disclosure provide magnetic sensing systems and methods for a galvanometer scanner configured to rotate within a predetermined angular range. An exemplary magnetic sensing system includes a disc permanent magnet configured to provide a magnetic field. The magnetic sensing system further includes a Hall sensor configured to generate a voltage proportional to the strength of the magnetic field as the Hall sensor and the disc permanent magnet move relatively to each other when the galvanometer scanner rotates. One of the disc permanent magnet and the Hall sensor locates on and rotates with the galvanometer scanner and the other locates off the galvanometer scanner. The magnetic sensing system also includes at least one controller configured to determine a rotation angle of the galvanometer scanner based on the generated voltage by the Hall Sensor.

Abstract: An operation processing apparatus that calculates a rotation angle based on a first output signal and a second output signal, which differ in signal frequency from each other, is provided with a first cross-coupled operation part that performs a first cross-coupled operation and a second cross-coupled operation part that performs a second cross-coupled operation based on the first and second output signals. A first Lissajous curve generation part generates a first Lissajous curve based on the result of operation by the first cross-coupled operation part, and a second Lissajous curve generation part generates a second Lissajous curve based on the result of operation by the second cross-coupled operation part. A rotation angle computing part calculates the rotation angle based on the first Lissajous curve and the second Lissajous curve.

Abstract: A magnetic field generator generates a detection-target magnetic field related to an angle to be detected. An angle sensor includes a first and a second magnetic sensor and a processor. The first magnetic sensor detects, at a first detection position, a first applied magnetic field including the detection-target magnetic field, and generates first detection information having a correspondence with the angle to be detected. The second magnetic sensor detects, at a second detection position, a second applied magnetic field including the detection-target magnetic field, and generates second detection information having a correspondence with the angle to be detected. The processor generates an angle detection value by performing arithmetic processing using the first and second detection information. The ratio of a strength of the detection-target magnetic field at the second detection position to a strength of the detection-target magnetic field at the first detection position is 1.65 or more.

Abstract: A resolver includes a sine coil and a cosine coil that transmit AC signals having phases of the electrical angle different from each other by 90 degrees in one of a sheet-like excitation coil and a sheet-like detection coil disposed at a rotor or a stator, and a counter coil or a conductor disposed to face the sine coil and the cosine coil in the other of the excitation coil and the detection coil. In addition, an area (S) of a portion where each of the sine coil and the cosine coil and the counter coil or the conductor overlap each other when viewed in the axial direction of the resolver changes into a sinusoidal shape as the rotor rotates.

Abstract: A magnetic encoder is provided with a first member including a first wall part that has formed therein an insertion through-hole through which a rotary body is passed, and a second member including a second wall part. A permanent magnet and a magnetic sensor for detecting a change in the magnetic field formed by the permanent magnet are disposed between the first wall part and the second wall part. In this configuration, the first member and the second member are composed of a soft steel that contains at most 3.0 wt % of carbon.

Abstract: A rotation angle sensing device is provided, which comprises (i) a magnetic field source that is capable of being mechanically coupled to a rotatable shaft, wherein the shaft is rotatable around a rotation axis, wherein the magnetic field source provides a magnetization which is substantially parallel to the rotation axis and not rotationally symmetric to the rotation axis, wherein the magnet field source comprises or is a permanent magnet; and (ii) at least two magnetic field sensor elements arranged to detect the magnetic field of the magnetic field source, wherein the at least two magnetic field sensor elements are located out of shaft and are placed at the same radial distance from the rotation axis. Also, a method for sensing a rotational angle is suggested.

Abstract: A sensor bearing unit includes a bearing having a first ring and a second ring centered on an axis, an impulse ring secured to the first ring of the bearing, and a sensor device for detecting rotational characteristics of the impulse ring. The sensor device includes a sensor housing secured to the second ring and at least one sensor element supported by the sensor housing and configured to cooperate with the impulse ring. The sensor housing is secured to a groove, having side walls, on a cylindrical surface of the second ring of the bearing, and the groove is located on a side of the second ring radially opposite the first ring.

Abstract: A device has a sensor unit for detecting measurement data about a relative movement of two components that are moved relative to one another. The sensor unit includes a scale unit connected to one of the components and extending in a movement direction of the relative movement over a measuring section. The scale unit includes a structure having magnetic bodies repeating in a defined manner along the measuring section. The magnetic bodies are axially magnetized and are arrayed having identical magnetic poles along the measuring section and/or the magnetic bodies are radially magnetized and are arrayed in alternation with respect to their magnetic poles along the measuring section. The sensor unit includes a pre-tensioning unit which fixes the arrayed magnetic bodies using a pre-tensioning force.

Abstract: According to some exemplary embodiments described herein, a door lock may include a driveshaft operatively couplable to a bolt configured to move between an extended position and a retracted position to selective secure an associated door. The door lock may also include a transmission coupled to the driveshaft, where the driveshaft includes at least one gear configured to rotate with the driveshaft. The door lock may also include a magnetic encoder coupled to the transmission and configured to measure a position of the at least one gear. The magnetic encoder may include a diametrically polarized magnet coupled to the at least one gear.

Abstract: A method of processing information of a rotating wheel includes measuring angular velocity of a rotating wheel with a gyroscopic sensor, determining an instantaneous position of the rotating wheel with an accelerometer, and determining the angular positions of the rotating wheel based on the measured angular velocity and the instantaneous position of the rotating wheel. The gyroscopic sensor and the accelerometer are mounted on the rotating wheel.

Abstract: A rotation angle detection device includes a correction-object driven gear that is a driven gear meshing with a main driving gear, a first sensor that is configured to generate an electrical signal based on rotation of the correction-object driven gear, and an electronic control unit that computes a driven-side rotation angle based on the electrical signal. The electronic control unit is configured to store a correction angle used to correct the driven-side rotation angle when computing the driven-side rotation angle. The correction angle is a predetermined deviation in a predetermined angle domain obtained as an average value in which deviations of the number equal to the integer and corresponding to a same relative rotation angle is averaged, so as to be deviation in an angle domain of 0 to 360 degrees.

Abstract: A portable electronic device is provided. The portable electronic device includes a main body and an accessory. The main body includes a display region, a non-display region, and a plurality of magnetic sensors. The magnetic sensors are disposed on the non-display region along a path. The accessory is movably disposed on the non-display region and includes a magnetic element. When the accessory moves on the non-display region, the accessory drives the magnetic element moving along the path.

Abstract: A position sensor comprises at least one magneto-sensitive element, a current source that is coupled to the at least one magneto-sensitive element and is configured to supply a source current to the at least one magneto-sensitive element, an analog-to-digital converter having an input coupled to the at least one magneto-sensitive element, a position calculation unit that is coupled to an output of the analog-to-digital converter and comprises a first output for providing a position signal, and a diagnostic unit that comprises an output coupled to the current source and is configured to provide a stimulus signal as a function of a stimulus pattern at the output of the diagnostic unit.

Abstract: An inductive angle measuring device includes a scanning element and a scale element having scale tracks. First and third scale tracks have an equal first number of scale structures, and a second scale track has a different number of scale structures. The scale tracks are arranged circumferentially and concentrically about an axis, such that the first scale track is located radially inwardly, the second scale track is located radially between the first scale track and the third scale track, and the third scale track is located radially outwardly. The scanning element includes receiver conductors by which the signals having angle-related signal periods can be generated. The first signal period is equal to the third signal period. An overall signal can be generated from the first signal and the third signal and can be combined with the second signal for determining absolute angle position information.

Abstract: A method of position estimation including: a signal detection step in which N (where N is an integer of 3 or more) sensors each detect a magnetic field which is in accordance with a position of a mover and output a detection signal as an electrical signal, the detection signals being displaced in phase by an angle obtained by dividing 360 degrees by N; a crossing detection step in which a crossing detection section sequentially detects a crossing at which each detection signal having been output through the signal detection step crosses another; a subdivision detection step in which a subdivision detection section detects a portion of the detection signal that connects from a crossing to another crossing which is adjacent to that crossing, as one or more subdivision signals; and a line segment joining step in which a line segment joining section sequentially joins the subdivision signals and estimates the position of the mover based on the plural subdivision signals having been joined, to generate an estimate

Abstract: An encoder device including a position detection unit for detecting position information of a moving part; a magnet having a plurality of polarities along a moving direction of the moving part; and an electric signal generation unit for generating an electric signal, based on a magnetic characteristic of a magnetosensitive part, the electric signal generation unit having the magnetosensitive part whose magnetic characteristic is changed by a change in magnetic field associated with relative movement to the magnet, wherein the magnetosensitive part is disposed so that the magnetosensitive part is spaced apart from a side surface of the magnet in a direction orthogonal to the moving direction and a length direction of the magnetosensitive part is orthogonal to tangential directions of at least some of magnetic field lines of the magnet.

Abstract: Even using the redundant system resolver in which the magnetic interference between systems occurs, to provide an angle detection apparatus which can reduces the influence of the magnetic interference and can calculate the rotational angle with good accuracy, without performing synchronous control between systems in real time. An angle detection apparatus is provided with a resolver which has the first system windings and the second system windings in which magnetic interference occurs between systems; a first system removal processing unit that performs a second cycle component removal processing which removes component of the second cycle of the second system, to detection values of the first system winding output signals; and a first system angle calculation unit that calculates a first angle of rotor, based on the detection values of the first system winding output signals after the second cycle component removal processing.

Abstract: A sensor bearing unit includes a bearing having a first ring and a second ring centered on an axis, an impulse ring secured to the first ring and a sensor device secured to the second ring for detecting rotational parameters of the impulse ring. The impulse ring is secured into a groove formed on a cylindrical surface of the first ring which is located radially on a side of the first ring opposite the second ring.

Abstract: Methods and systems for measuring an axial position of a rotating component of an engine are described herein. The method comprises obtaining a signal from a sensor coupled to the rotating component, the rotating component having a plurality of position markers distributed about a surface thereof, the position markers having an axially varying characteristic configured to cause a change in a varying parameter of the signal as a function of the axial position of the rotating component. Based on the signal, the method comprises determining a rotational speed of the rotating component from the signal, determining the varying parameter of the signal, and finding the axial position of the rotating component based on a known relationship between the axial position, the rotational speed, and the varying parameter of the signal.

Abstract: A sensing apparatus includes a first sensor unit including a first hall sensor and a second hall sensor, wherein the first hall sensor outputs two first output values having different phases from each other, and the second hall sensor outputs two second output values having different phases from each other; a second sensor unit outputs a third position detection value of a rotor; and a control unit that compares a first position detection value of the rotor, which is on the basis of the first output values, with a second position detection value of the rotor, which is on the basis of the second output values, and compares at least one of the first position detection value of the rotor and the second position detection value of the rotor, with the third position detection value of the rotor outputted from the second sensor unit.

Abstract: A stator has a core, an insulating member that covers the core, windings that are wound around the insulating member, and conductive members that supply drive power to the windings. The conductive member has a joining part that contacts a lower surface of the insulating member, an insertion part that rises axially upward from one end of the joining part, and a board connection part that descends axially downward from the other end of the joining part. The insertion part penetrates through the insulating member and protrudes at the top of the stator, where it is connected to a coil end. The board connection part is fixed, by a method such as press-fitting, to a circuit board on which a Hall element or the like is mounted.

Abstract: A rotation detection device includes: a detector arranged with a gap to a rotating body in which rotation position information is periodically provided at regular intervals, and detecting a magnetic change as a rotation position of the rotating body; and a signal processor acquiring the rotation position information. The detector has first and second magnetic elements arranged with an interval of a/2 in a rotation direction. Each regular interval is defined as a. The first magnetic element outputs a first signal having a period corresponding to the regular intervals. The second magnetic element outputs a second signal having an opposite phase to the first signal and the period. The signal processor acquires a differential signal between the first and second signals as the rotation position information.

Abstract: An apparatus for determining an item of position information relating to a position of a magnetic field transducer relative to a position sensor. The position sensor is designed to generate at least one periodic measurement signal when the magnetic field transducer moves relative to the position sensor. A processing unit of the apparatus is designed to determine the position information based on a respective measurement signal value of a respective periodic measurement signal using a calibration function assigned to the respective periodic measurement signal. The assigned calibration function represents the respective periodic measurement signal using a Fourier series having a respective plurality of Fourier coefficients which differ from zero and are of an order greater than zero. The processing unit is designed to at least approximately solve the assigned calibration function for the respective measurement signal value in order to determine the position information.

Abstract: A method is disclosed for producing an angled plug-in connector, which has an insert-molded, prefabricated busbar stack that has at least two busbars which are next to one another, are spaced apart by an insulating gap, and are made of an electrically conductive planar material. Each of the busbars includes a starting region which is in a reference plane and oriented in a reference direction, an end region which is bent out of the reference plane about a creasing angle and oriented in a transverse direction, a curved transition region from the reference direction into the transverse direction, and a bending region oriented along a bending line. The bending line is oriented, with respect to the reference direction, at a bending line angle, and the busbar stack is insert moulded between the starting region and the end region having a housing made of an electrically non-conductive plastics material.

Abstract: A rotating component includes a metal plate fixed to an end portion of the metal shaft, and a resin valve gear integrally formed with the plate by insert molding. The plate is formed with a circular fitting hole that fits with the end portion of the shaft, and a positioning recess that is recessed from one side to the other side of the plate.

Abstract: A ring input device, and more particularly to pressure-sensitive input mechanisms within the ring input device that detect pressure to initiate an operation, is disclosed. Because finger rings are often small and routinely worn, electronic finger rings can be employed as unobtrusive communication devices that are readily available to communicate wirelessly with other devices capable of receiving those communications. Ring input devices according to examples of the disclosure can detect press inputs on its band to generate inputs that can then be wirelessly communicated to companion devices.

Abstract: Apparatus and associated methods relate to measuring position and displacement of a 2D surface magnet array of at least three adjacent magnetic north and south tracks with an acute angle versus its motion displacement relative to a magnetic field sensor (e.g., magnetic sensing probe). In an illustrative example, the geometry of the 2D surface magnet array may be planar with adjacent and alternating north and south pole regions. In some embodiments, the 2D surface magnet array geometry may take the form of (1) an axial cylindrical helical multipole magnet array having individually magnetized layers that are oriented in helical shape, or (2) a radial disk spiral multipole magnet array with at least three adjacent north and south tracks oriented as a spiral shape.

Abstract: A rotational position sensor arrangement having first and second sensors positioned adjacent to an axial face of a target disc. The target disc has the axial face either one wave profile or radially spaced apart first and second wave profiles, having respectively, a first plurality of segments and a second plurality of segments, with each of the segments being formed with axially offset peaks and valleys which extend along radial lines. The valleys separate the segments, and the number of the first plurality of segments is different than the number of the second plurality of segments. The first and second sensors are located at different radial distances from the axis and signal a controller with data on a field variance due to a difference in at least one of a size or location of the one wave profile or the first and second wave profiles as they pass the first and second sensors in order to determine a rotational speed and/or position.

Abstract: Methods and apparatus for linear inductive torque sensing that may include transmitting an AC magnetic field with a transmit coil toward a conductive target and receiving a field reflected by the conductive target with a receive coil, wherein the conductive target comprises first and second targets positioned with respect to each other and each shaped to linearly increase or decrease an amount of conductive area of the conductive target due to relative movement of the first and second targets which changes an amount of the field reflected by the conductive target. A signal from the receive coil can be processed to determine a relative position of the first and second targets corresponding to an amount of torque on an elongate member connected to the first and second targets. In other embodiments, a change in inductance of the transmit coil is measured to determine relative target position.

Abstract: Disclosed is a method for operating a rotational speed sensor comprising a sensor element in a vehicle, wherein the sensor element interacts with a magnet wheel on a wheel of the vehicle and an effective parameter generated by the interaction of the magnet wheel with the sensor element is evaluated in the form of a measurand in an evaluation module and, depending on the measurand, an output variable characterizing the rotational speed of the wheel is output, wherein the sensor element is supplied via the evaluation module with a sensor voltage influencing the measurand. A sensor assembly is also disclosed.

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: Disclosed is an electronic device for determining the angular position of a shaft of a motor vehicle, the device including a printed circuit board and a magnetic guide including at least two fastening tabs for fastening to the printed circuit board, the printed circuit board including a base substrate and at least two fastening areas for fastening the magnetic guide, each designed to receive a fastening tab of the magnetic guide, the fastening tab defining a fastening orifice. Each fastening area is defined on the base substrate of the printed circuit board and includes a pad fastened to the base substrate. Each fastening tab is joined to the pad of the corresponding fastening area by way of an adhesive that is applied in its fastening orifice.

Abstract: A method of determining an angular position of a target of an inductive angular position sensor system, relative to a substrate, includes the steps of: receiving, demodulating and digitizing signals, and reducing a DC-offset of the digital signals, and determining an angular position. The step of reducing the DC-offset involves: i) initializing a DC-correction value; ii) subtracting the DC-correction value to obtain DC-shifted signals; iii) clipping the DC-shifted-signals to obtain clipped signals; iv) calculating a first sum by summing values of the clipped signal over one period, and v) calculating a second sum by summing absolute values of the clipped signal over said period; vi) adding to each DC correction value K times the first sum divided by the second sum, where K is a predefined constant.

Abstract: Method of determining a position of a sensor device relative to a magnetic source, includes: a) determining a first and a second magnetic field component at a first sensor location; b) determining a third and a fourth magnetic field component at a second sensor location; c) determining a first difference of the first and third component, and determining a second difference of the second and fourth component, and determining a first angle based on a ratio of the first and second difference; d) determining a first sum of the first and third component, and determining a second sum of the second and fourth component; e) determining a second angle based on a ratio of said first and second sum; f) comparing the first and second angle to detect error.

Abstract: A magnetic detection module is provided so as to be selectively mountable in any of housings having a plurality of specifications having different shapes or sizes of mounting portions, and detects magnetic flux generated in the housing. The magnetic detection module includes one or more magnetic sensors that detect magnetic flux, a case in which the magnetic sensors are housed, and a cap that can be attached to an end of the case and is provided with a sealing member. The magnetic detection module can be attached to the housing of the first specification with the cap not attached to the case, and can be attached to the housing of the second specification through a sealing member with the cap attached to the case.

Abstract: A wheel support bearing assembly includes a wheel support bearing and a power unit. The power unit is that of an outer rotor design in which a stator is located at an outer periphery of the wheel support bearing and a rotor is located radially outward of the stator. A radial extension of the entire power unit is sized to be radially inward of a peripheral section of a brake rotor. An entirety of the power unit, excluding a mount part thereof to a hub flange, is sized to be situated in an axial range between the hub flange and a mount surface, on an inboard side of the wheel support bearing. The rotor includes an outer shell magnetic body, which is made from soft magnetic material and forms an outer shell of the power unit, and permanent magnets that are provided to the outer shell magnetic body.

Abstract: A magnetic field angle sensor includes a coil configured to generate a magnetic field that induces an eddy current in a rotatable target, a first magnetic field sensing structure positioned proximate to the coil and configured to detect a reflected magnetic field generated by the eddy current induced in the target, a second magnetic field sensing structure positioned proximate to the coil and configured to detect the reflected magnetic field generated by the eddy current induced in the target, wherein the first and second magnetic field sensing structures are configured to detect quadrature components of the reflected magnetic field, and a processing module configured to process the reflected magnetic field detected by the first and second magnetic field sensing structures for determining an angular position of the target.

Abstract: An angle detector for detecting an amount of angular change due to the rotation of a rotary body. The angle detector is provided with a rotary body rotating around a rotation axis, a graduated scale having a plurality of graduations along the circumference of the rotary body in a rotation direction, and a plurality of sensors disposed along the circumference. Each of the sensors outputs a signal according to an amount of angular change on the basis of the plurality of graduations. The output signal includes a fundamental wave component having one of the plurality of graduations as a first period first order, and a harmonic wave component having an order that is an integer multiple of at least two times the fundamental wave component. An amount of angular displacement calculated from the output signal includes an angular error component that is due to the harmonic wave component and has an order component that is an integer multiple of the one graduation that is the first period first order.

Abstract: The invention relates to a device and a processing method for a camshaft sensor (1) of the type comprising a toothed camshaft wheel (2) and an opposite sensing element (3) able to detect a tooth front, comprising the following steps: detection of a new tooth front (k) by said sensing element; calculation of a rotational speed (Wk) of the camshaft wheel (2) for the new tooth front (k); comparison with the rotational speed (Wk?1) of the camshaft wheel for the preceding tooth front (k?1) detected by said sensing element; if the variation in the rotational speed (Wk) of the camshaft wheel (2) between the new tooth front (k) and the preceding tooth front (k?1) is low, the new tooth front (k) is validated, otherwise the new tooth front (k) is rejected.

Abstract: A non-interdependent displacement measuring device for converting a rotary motion to a linear motion is disclosed, which includes a driving unit, a detection unit, and a resistance device. The driving unit includes an adjustment section and a driving section. The detection unit is arranged in the adjustment section. The driving section is connected to the resistance device. The detection unit includes a sensing module and a transmission module, and the detection unit is arranged in the adjustment section, so that when the adjustment section rotates, the detection unit detects turns and an angle of rotation of the adjustment section to generate a detection signal, which, after being subjected to calculation, is transmitted through the transmission module to the electronic device to display the level of an resistance, so as to overcome the drawbacks of the prior art that accuracy is poor, calibration is difficult, and fabrication is difficult due to a magnet and a sensor being arranged as two separate parts.

Abstract: A rotation angle measurement system for detecting a rotation of a shaft. The rotation angle measurement system includes the shaft which extends in an axial direction, a rotor unit having a sensor magnet, a stationary stator unit having a multi-turn sensor unit which is arranged radially spaced apart from the shaft and which has a Wiegand sensor, and a magnetic shielding arrangement for the Wiegand sensor. The rotor unit is connected to the shaft to rotate therewith and radially surrounds the shaft. The multi-turn sensor unit functionally interacts with the sensor magnet to detect revolutions thereof. The magnetic shielding arrangement is made from a material having a high magnetic permeability. The magnetic shielding arrangement includes shielding elements which are arranged to surround the Wiegand sensor on a radial inside, on a radial outside, on a first axial side, and on a second axial side thereof.

Abstract: Apparatus and associated methods relate to measuring position and displacement of a 2D surface magnet array of at least three adjacent magnetic north and south tracks with an acute angle versus its motion displacement relative to a magnetic field sensor (e.g., magnetic sensing probe). In an illustrative example, the geometry of the 2D surface magnet array may be planar with adjacent and alternating north and south pole regions. In some embodiments, the 2D surface magnet array geometry may take the form of (1) an axial cylindrical helical multipole magnet array having individually magnetized layers that are oriented in helical shape, or (2) a radial disk spiral multipole magnet array with at least three adjacent north and south tracks oriented as a spiral shape.

Abstract: An encoder includes a base section, a spindle gear attached to a turning shaft section, a counter-shaft gear configured to mesh with the spindle gear and including a cylindrical gear section, a magnet provided in the counter-shaft gear, and an annular bearing member provided in the base section and configured to support the counter-shaft gear. When a straight line extending along the shaft section is represented as a first axis and a straight line orthogonal to the first axis is represented as a second axis, the magnet is disposed to overlap the bearing member in a plan view from a direction in which the second axis extends.

Abstract: A device includes a first assist shaft having a first axially extending bore, the first assist shaft engaging, via the first axially extending bore, a first end of a torsion bar. The device may include a flux carrier engaged on an end of the first assist shaft proximate the torsion bar. The device may include a second assist shaft having a second axially extending bore, the second assist shaft engaging, via the second axially extending bore, a second end of the torsion bar and connected to the first assist shaft by the torsion bar. The device may include a permanent magnet ring having an inner circumference that receives an outer circumference of the second assist shaft and the permanent magnet ring disposed in a third axially extending bore of the flux carrier. The device may include a magnetic flux sensor at least partially disposed in the flux carrier.

Abstract: Examples relate to a current sensor and to a method for sensing a strength of an electric current using two groups of magnetic sensing probes. The current sensor includes a first group and a second group of magnetic sensing probes. The current sensor comprises sensor circuitry coupled to the first and the second group of magnetic sensing probes. The sensor circuitry is configured to determine a first differential magnetic field measurement of a magnetic field using probes of the first group of magnetic sensing probes. The sensor circuitry is configured to determine a second differential magnetic field measurement of the magnetic field using probes of the second group of magnetic sensing probes. The sensor circuitry is configured to determine a strength of the electric current based on a difference between the first differential magnetic field measurement and the second differential magnetic field measurement.

Abstract: A sensor system for determining at least one rotation characteristic of an element rotating around at least one rotation axis. The sensor system includes at least one sensor wheel, which is connectable to the rotating element, the sensor wheel having a sensor wheel profile. The sensor system also includes at least one position sensor and at least one phase sensor. The sensor system further includes at least one digital interface and at least one incremental interface, the sensor system being configured to output at least one absolute position signal generated with the aid of the position sensor via the digital interface and to output at least one incremental signal generated with the aid of the phase sensor via the incremental interface.

Abstract: A method for estimating an angular deviation between a reference axis of a magnetic object and a magnetic axis co-linear to a magnetic moment of the magnetic object, including: a) positioning the magnetic object facing at least one magnetometer; b) rotating the magnetic object about the reference axis; c) measuring, during the rotating, the magnetic field, using the magnetomenter; and d) estimating the angular deviation from the magnetic field measurements.

Abstract: Disclosed is a sensing apparatus, characterized in that: a first sensor unit comprises a first hall sensor and a second hall sensor, wherein the first hall sensor outputs two first output values having different phases from each other, and the second hall sensor outputs two second output values having different phases from each other; a second sensor unit outputs a third position detection value of a rotor; and a control unit compares one of the two first output values with one of the two second output values, compares the two first output values with each other, compares the two second output values with each other, compares a first position detection value of the rotor, which is on the basis of the first output values, with a second position detection value of the rotor, which is on the basis of the second output values, and compares at least one of the first position detection value of the rotor and the second position detection value of the rotor, with the third position detection value of the rotor outpu