A hybrid position sensor for determining a position of a hybrid target includes a conductive target and a magnet configuration which are rigidly connected and at least partially overlapping. The position sensor has a first transducer configured for generating a first signal induced by the conductive target and indicative for the position of the hybrid target; a second transducer, at least partially overlapping with the first transducer, and configured for generating a second signal induced by the magnet configuration and indicative for the position of the hybrid target; a processing device configured for receiving the first signal to determine a first position of the hybrid target and for receiving the second signal to determine a second position of the hybrid target and for determining reliability of the position sensor based on the determined first and second position.

A measuring device includes first and second component groups rotatable about an axis relative to each other. The first component group has a scanning component, having a first substrate, and the second component group has a scale component, having a second substrate and an angle scale. The measuring device can determine a relative angular position between the component groups. The measuring device has a passive sensor array having conductor track structures. The conductor track structures are applied on the first substrate by an additive process so that the sensor array determines a torsional load of the first substrate about the axis. Alternatively, the conductor track structures are applied on the second substrate by an additive process so that the sensor array determines a torsional load of the second substrate about the axis.

In some embodiments, a position sensor calibration and linearization system for position sensors is provided. A method of calibrating and linearization of a position sensor includes reading Spatial Angle data from a position sensor at a set of positions of a target swept over receive coils in the position sensor; calculating calibration parameters from the Spatial Angle data; determining an initial position values from the Spatial Angle data and the calibration parameters; determining linearization parameters from the initial position values; and writing the calibration parameters and the linearization parameters into the position sensor.

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.

An inductive angle sensor includes an inductive target arrangement with k-fold symmetry and a first pickup coil arrangement with k-fold symmetry and a second pickup coil arrangement with k-fold symmetry. A combination apparatus is designed to combine signals of the first pickup coil arrangement with signals of the second pickup coil arrangement and, on the basis thereof, to ascertain an angle-error-compensated rotation angle. The single pickup coils of the first and second pickup coil arrangements are each rotationally offset about the axis of rotation R by a geometric offset angle α relative to one another. Additionally, the entire first pickup coil arrangement is rotationally offset relative to the entire second pickup coil arrangement about the axis of rotation R by a geometric offset angle ρ.

An angular position sensor comprising two annular sensors, one annular sensor for generating a coarse resolution time varying signal in the presence of a rotatable inductive coupling element and the other annular sensor for generating a fine resolution time varying signal in the presence of the rotatable inductive coupling element. The rotatable inductive coupling element comprising a first annular portion comprising at least one annular conductive sector and at least one annular non-conductive sector and a second annular portion comprising at least one annular conductive sectors and at least one annular non-conductive sector, wherein the number of annular conductive sectors of the first annular portion and the second annular portion are different. In particular, the annular conductive sectors of the annular portions may comprise 50% or 75% of the total area of the annular portions.

A sensor front-end is presented for processing a measurement signal from a sensing unit, wherein the sensing unit is configured to receive a stimulus signal from an evaluation unit of the sensor front-end, generate the measurement signal from the stimulus signal by altering an amplitude of the stimulus signal based on a measurement parameter, and provide the measurement signal to the evaluation unit. The sensor front-end comprises the evaluation unit that is configured to generate a simulated measurement signal from the stimulus signal by controlling an amplitude of the stimulus signal based on a predetermined control variable, to generate a simulated output signal based on the stimulus signal and the simulated measurement signal, and to determine an error condition based on a comparison of the simulated output signal and the predetermined control variable or a signal derived from the predetermined control variable.

A hybrid position sensor for determining the position of a hybrid target includes a main transducer for obtaining a first signal indicative for a position of the hybrid target within a first range and with a first resolution using a first or second technology; a support transducer for obtaining a second signal indicative for the position of the hybrid target within a second range and with a second resolution using the second technology if the main transducer is using the first technology and vice versa, wherein the first range is smaller than the second and the first resolution is higher than the second, and wherein the first technology is magnet based and the second technology is an inductive technology; a combiner for combining the obtained first signal and second signal to determine the position of the hybrid target.

A position sensor, wherein the position sensor detects the movement of a target relative to a sine receiver coil and a cosine receiver coil and generates a corresponding sine signal and a corresponding cosine signal, and a method for error detection of a position sensor.

An inductive sensing-based user interface device which includes a conductive barrier with at least one aperture, a magnetic flux modifier attached to a rotary member on one side of the barrier and an inductive structure on an opposed side of the barrier aligned with the aperture, magnetically coupled to the flux modifier, wherein a change in sensed inductance is used to determine rotational input.