Melexis Technologies Patente

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An integrated sensor device (920; 970; 1070) comprising: a semiconductor substrate comprising a horizontal Hall element (Hc), and an integrated magnetic flux concentrator (911; 1011) located substantially above said horizontal Hall element (Hc), wherein the first magnetic flux concentrator has a shape with a geometric center which is aligned with a geometric centre of the horizontal Hall element; and wherein the shape has a height (H) and a transversal dimension (D), wherein H ≥ 30 µm and/or wherein using the largest transversal dimension (H/D) ≥ 0.25 (25%). The integrated magnetic flux concentrator may be partially incorporated in the "interconnection stack" (1223; 1323). A method of producing such an integrated sensor device.

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An apparatus (100) for sensing a position of a target (250), in particular for offset invariant sensing of the position of the target (250) is described as well as a corresponding method. The apparatus comprising at least three sensor elements (120, 130, 140), wherein at least one sensor element of the at least three sensor elements (120, 130, 140) generates a first magnetic field, wherein at least two sensor elements of the at least three sensor elements (120, 130, 140) receive a second magnetic field associated with the first magnetic field and wherein the at least two sensor elements of the at least three sensor elements (120, 130, 140) form at least one sensor element pair and provide a signal indicative of the position of the target (250).

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An integrated circuit comprising an output stage circuit (99). The output stage circuit comprises: an input node for receiving a digital input signal (10); a supply voltage node for receiving a supply voltage signal (55); a digital to analog convertor (20) for converting the digital signal; an amplifier (40) for amplifying the converted signal; a first/second and optionally third voltage regulator (70) generating a first/second and optionally third voltage signal; a greatest-voltage selector circuit (90) for providing power to the amplifier. Two different voltages are provided to the DAC. The output signal can be a SENT signal. The circuit is highly robust against power-interruptions and EMI.

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Torque sensor including a multipolar magnet portion rotated together with a steering shaft, a magnetic yoke portion rotated together with a column shaft connected to the steering shaft via a torsion bar and arranged in the field of the multipolar magnet portion, a set of magnetism collecting plates and having a set of magnetism collecting plate bodies and that collect lines of force of the pair of magnetic yokes and of the magnetic yoke portion respectively and a pair of magnetism collecting protrusions and extending from the set of magnetism collecting plate bodies and respectively in the axial direction of the steering shaft to form a gap, and a detection unit having a detection surface the normal line of which is in a radial direction of the steering shaft, disposed so as to face the gap of the pair of magnetism collecting protrusions, and detecting a flux in the gap.

A pressure sensor device comprises a device package (110) arranged to define a cavity (116) having an opening for fluid communication with an internal volume thereof. The cavity (116) comprises a side wall (114, 115). An elongate pressure sensor element (100) is provided and has a proximal end (120) and a distal end (122). The side wall (114, 115) is arranged to hold fixedly the proximal end (120) of the pressure sensor element (100) therein so that the pressure sensor element (100) is cantilever-suspended from the side wall (114, 115) within the cavity (116).

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A method and a circuit (300) for measuring an absolute voltage signal (vin), the circuit comprising: an A/D convertor (ADC), and a controller (302) adapted for: a) obtaining a first digital reference value (VPTAT) for a first reference signal (vptat) having a positive temperature coefficient; b) obtaining a second digital reference value (VBE) for a second reference signal (vbe) having a negative temperature coefficient; c) obtaining a raw digital signal value (VIN) for the signal (vin) to be measured, while applying a same reference voltage (vref) for step a) to c); and d) calculating the absolute voltage value (VABS) in the digital domain using a mathematical function of the first and second digital reference value (VPTAT, BE), and the raw digital signal value (VIN).

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The present invention relates to an inductive position sensor (1) configured to determine a position of a target device, comprising at least one receiving coil (5) arranged to receive a magnetic field and an inner transmitting coil winding (3) and an outer transmitting coil winding (4) arranged to generate said magnetic field, whereby said at least one receiving coil is positioned between said inner transmitting coil winding and said outer transmitting coil winding and whereby said inner transmitting coil winding and said outer transmitting coil winding are so arranged that current flows in the same sense.

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The present invention relates to a device for reconfiguring a network comprising- an input pin for receiving a signal comprising configuration information for configuring at least said device,- a configuration handling unit (80) for detecting a configuration mode and configuring said device according to said configuration information,- an indicator for indicating whether said configuration handling unit has finished configuring said device,- an output pin for forwarding said configuration information when said indicator indicates the configuration of the device is done,- a safety handling unit (81) arranged for interconnecting said output pin and said input pin, for being operable in a safety handling mode when said indicator indicates the configuration of the device is done, and for forwarding received safety error information

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Use of a metallic material for protecting platinum against oxygen dissolution therein; a sensor comprising a substrate, a platinum component having a first surface facing toward the substrate and a second surface facing away from the substrate, a protective covering over the platinum component, the protective covering comprising one or more layers, at least on of which is an oxygen getter material, a lower surface in physical contact with the second surface of the platinum component, and an upper surface; and a method for forming such a sensor.

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