Abstract: Embodiments related to the generation of magnetic bias fields for magnetic sensing are described and depicted. In one embodiment, a sensor includes at least one magnetosensitive element, and a magnetic body with an opening, the magnetic body comprising magnetic material, the magnetic body having inclined surface sections shaped by the opening, wherein the sensor is arranged within the opening such that the magnetosensitive element is in lateral directions bounded by the inclined surface sections.

Abstract: A magnetic circuit may include a magnetic sensor. The magnetic sensor may determine an adjustment factor associated with calculating a variable switching threshold. The variable switching threshold may be a configurable switching threshold based on which the magnetic sensor provides outputs associated with a speed signal corresponding to a rotation of a tooth wheel. The magnetic sensor may provide an output, associated with the speed signal, based on the variable switching threshold.

Abstract: Embodiments related to the generation of magnetic bias fields for magnetic sensing are described and depicted. In one embodiment, a sensor includes at least one magnetosensitive element, and a magnetic body with an opening, the magnetic body comprising magnetic material magnetized mainly in a vertical direction, the magnetic body having inclined surface sections shaped by the opening, wherein the sensor is arranged atop the opening.

Abstract: A signal generator comprises a signal provider and a signal processing unit. The signal provider is configured to provide a sensor signal indicating a repeatedly detected event, occurring within differing time intervals. The signal processing unit is configured to generate a transmit signal based on the sensor signal. The transmit signal comprises event information representing the temporal occurrence of the event and additional information representing additional data. The event information comprises pulses associated to detected events, wherein the pulses are temporarily separated within the transmit signal according to the differing time intervals of detected events so that each time interval of the differing time intervals comprises one pulse associated to a detected event. Further, the additional data comprises at least one frame comprising a predefined number of additional data bits.

Abstract: Embodiments relate to sensor device configurations. In one embodiment, a sensor device comprises a bias magnet, a field sensor die, a first set of one or more magnetic field sensor elements, a second set of one or more magnetic field sensor elements, a memory, and circuitry. The sensor device is configured to combine the sensed magnitudes from each of the magnetic field sensor elements of the first set to obtain a first set output, trim the sensed magnitudes from each of the one or more magnetic field sensor elements of the second set with one of the set of trim values to obtain a second set output, and combine the second set output with the first set output to provide an output signal.

Abstract: A sensor device is provided with a magnetic field sensitive element to be positioned in a magnetic field of a magnet. The magnet is positioned on an end face of a cam shaft of an engine. The magnetic field sensitive element is configured to sense an orientation angle of the magnetic field in the range between 0° and 360°. Further, the sensor device is provided with a memory. The memory stores a mapping of pulse edges to orientation angles. Further, the sensor device is provided with electronic circuitry. The electronic circuitry is configured to generate, depending on the sensed orientation angle and the stored mapping of pulse edges to orientation angles, a signal comprising a pattern of pulses with rising and falling pulse edges which are mapped to predefined orientation angles as sensed by the magnetic field sensitive element.

Abstract: Magnetoresistive devices can include a first and second sensor. Each of the first and second sensors can be configured to sense a first magnetic field component and a second magnetic field component. The first and second magnetic field components may be orthogonal to each other. Signals generated by the first and/or the second sensors can be used to determine local or global differentials of the magnetic field components. The first and/or the second sensors can each include four magnetoresistive sensors that can be connected in a Wheatstone bridge configuration. Further, the magnetoresistive devices can include magnets having a cavity formed therein, where the dimensions of the cavity are configured to reduce magnetic field conditions of a magnetic field in proximity to and/or within the cavity.

Abstract: Embodiments related to the generation of magnetic bias fields for magnetic sensing are described and depicted. In one embodiment, a sensor includes at least one magnetosensitive element, and a magnetic body with an opening, the magnetic body comprising magnetic material magnetized mainly in a vertical direction, the magnetic body having inclined surface sections shaped by the opening, wherein the sensor is arranged atop the opening.

Abstract: An apparatus and corresponding method for outputting a protocol pulse based on a speed signal representing speed of an object. The apparatus includes a zero-crossing circuit, and a delay circuit. The zero-crossing circuit is configured to output the protocol pulse at a zero-crossing of the speed signal. The delay circuit is coupled to the output of the zero-crossing circuit and configured to delay the protocol pulse. A first edge of the protocol pulse is asynchronous with a clock, and a second edge of the protocol pulse is synchronous with the clock.

Abstract: A bias magnetic field sensor is disclosed. In an embodiment, a bias magnetic field sensor includes a magnetic field sensor package having a magnetic body attached to only a single side of the sensor package, wherein the magnetic body is configured to provide a magnetic field, and wherein the sensor package is configured to measure a modulation of the magnetic field by a generator object.

Abstract: Embodiments related to the generation of magnetic bias fields for magnetic sensing are described and depicted. In one embodiment, a sensor includes at least one magnetosensitive element, and a magnetic body with an opening, the magnetic body comprising magnetic material, the magnetic body having inclined surface sections shaped by the opening, wherein the sensor is arranged within the opening such that the magnetosensitive element is in lateral directions bounded by the inclined surface sections.

Abstract: Embodiments relate to sensor device configurations. In one embodiment, a sensor device comprises a bias magnet, a field sensor die, a first set of one or more magnetic field sensor elements, a second set of one or more magnetic field sensor elements, a memory, and circuitry. The sensor device is configured to combine the sensed magnitudes from each of the magnetic field sensor elements of the first set to obtain a first set output, trim the sensed magnitudes from each of the one or more magnetic field sensor elements of the second set with one of the set of trim values to obtain a second set output, and combine the second set output with the first set output to provide an output signal.

Abstract: An embodiment of a magnetic-field sensor includes a magnetic-field sensor arrangement and a magnetic body which has, for example, a non-convex cross-sectional area with regard to a cross-sectional plane running through the magnetic body, the magnetic body having an inhomogeneous magnetization.

Abstract: A sensor device is provided with a magnetic field sensitive element to be positioned in a magnetic field of a magnet. The magnet is positioned on an end face of a cam shaft of an engine. The magnetic field sensitive element is configured to sense an orientation angle of the magnetic field in the range between 0° and 360°. Further, the sensor device is provided with a memory. The memory stores a mapping of pulse edges to orientation angles. Further, the sensor device is provided with electronic circuitry. The electronic circuitry is configured to generate, depending on the sensed orientation angle and the stored mapping of pulse edges to orientation angles, a signal comprising a pattern of pulses with rising and falling pulse edges which are mapped to predefined orientation angles as sensed by the magnetic field sensitive element.

Abstract: The present disclosure relates to a switching device, comprising an input for a sensor signal, the sensor signal having a sensor signal amplitude; and processing circuitry to determine a switching threshold based on the sensor signal amplitude and a weighting factor depending on said sensor signal amplitude and to generate a switching signal when a level of the sensor signal crosses the switching threshold.

Abstract: In various embodiments, a method may include: generating at least one time stamp based on detection of at least a first magnetic field event of at least one pole of a magnetic object during a first rotation; determining a model of the magnetic object based on the at least one time stamp, wherein the model describes a magnetic pattern caused by the first rotation of the magnetic object; generating at least one further time stamp based on detection of at least a second magnetic field event of the at the least one pole of the magnetic object during a second rotation; and updating the model based on the at least one further time stamp.

Abstract: Embodiments related to the generation of magnetic bias fields for magnetic sensing are described and depicted. In one embodiment, a sensor includes at least one magnetosensitive element, and a magnetic body with an opening, the magnetic body comprising magnetic material, the magnetic body having inclined surface sections shaped by the opening, wherein the sensor is arranged within the opening such that the magneto-sensitive element is in lateral directions bounded by the inclined surface sections.

Abstract: Embodiments related to the generation of magnetic bias fields for a magneto sensor are described and depicted.

Abstract: A phase locked loop (PLL) circuit includes a first signal detector having a first input terminal configured to receive a varying first input signal, a second input terminal configured to receive a feedback signal that corresponds to the center of the input frequency, and an output terminal configured to provide an output signal corresponding to a phase difference between the first input and feedback signals. A delay estimator has an input terminal configured to receive the output signal from the first phase detector and in response thereto, output a phase difference estimation signal. A variable delay circuit has an input terminal configured to receive the phase difference estimation signal and in response thereto, phase shift the second input signal.

Abstract: A system includes a first circuit configured to convert a first analog signal to a first digital signal. The system includes a second circuit configured to determine an area of the first digital signal above a set value and an area of the first digital signal below the set value to provide a second digital signal indicating an offset of the first analog signal.