Patents Assigned to MELEXIS TECHNOLOGIES
-
Patent number: 11552677Abstract: A transmitter device is provided for transmission of data via DC power distribution lines includes a sequence generator arranged for receiving a raw data bit stream to be transmitted over a positive and a negative DC power distribution line and for deriving a switching sequence based on the raw data bit stream, and a circuit including one or more capacitors and a plurality of switches controllable with the switching sequence derived in the sequence generator.Type: GrantFiled: October 7, 2021Date of Patent: January 10, 2023Assignee: MELEXIS TECHNOLOGIES NVInventors: Andreas Ott, Federico D'Aniello, Thomas Freitag, Andrea Baschirotto
-
Patent number: 11551493Abstract: A sensor system for acquiring a perturbation, induced by a contact patch of a tire, in data generated by a sensor system mounted in the tire, comprises at least one sensor adapted for generating the data related to a physical property of the tire, and an acquisition system comprising memory. The sensor system is adapted for triggering the acquisition system to acquire the data and for storing it in a buffer in the memory, until a predefined delay after the perturbation is recognized. The perturbation is recognized by comparing the stored data with at least one characterizing feature of the perturbation.Type: GrantFiled: May 21, 2020Date of Patent: January 10, 2023Assignee: MELEXIS TECHNOLOGIES SAInventors: Julien Canioncq, Ivan Zagan, Yevgeniy Sosuliaka
-
Patent number: 11543466Abstract: A sensor comprises a housing; and a lead frame comprising at least three elongated leads having an exterior portion extending from the housing; and a magnetic sensor circuit disposed in the housing and connected to the lead frame. The housing comprising at least two recesses or at least two lateral protrusions arranged on two opposite sides of the housing, for allowing the sensor to be mounted to the support. A component assembly comprising said sensor mounted on a support, the support comprising a plurality of first and second posts and a plurality of electrical contacts. A method of producing said component assembly, comprising the step of arranging said sensor with its elongated leads adjacent the first posts, and arranging its lateral protrusions and/or lateral recesses adjacent the second posts, and connecting the elongated leads to the electrical contacts.Type: GrantFiled: September 24, 2020Date of Patent: January 3, 2023Assignee: MELEXIS TECHNOLOGIES SAInventors: Jian Chen, Matthijs Pardoen, Arnaud Laville, Orlin Gueorguiev Saradjov
-
Patent number: 11541701Abstract: An auto-location system for auto-locating a wheel in a vehicle comprises: a sensor module which comprises a sensor adapted for sensing a physical property of the tire when mounted in a tire or on an inner surface of the tire of the wheel, an acquisition system adapted for determining when the part of the tire where the sensor is mounted hits the ground, and forms a contact patch with the ground, by analyzing data from the sensor, and a communication system adapted for transmitting a wireless message, in which a unique identifier is embedded, a transmit delay after the part of the tire where the sensor is mounted hits the ground.Type: GrantFiled: May 22, 2020Date of Patent: January 3, 2023Assignee: MELEXIS TECHNOLOGIES SAInventors: Emeric Pierre, Julien Canioncq, Ivan Zagan
-
Patent number: 11536587Abstract: A position sensor device includes position sensor elements for generating analog sense signals. A digitization circuit is provided for a digital signal representative of the input phase based on the analog sense signals and a digital processing unit. An output signal is indicative of the position based on the first output of the processing unit. The processing unit comprises an error signal generator for computing an error signal indicative of a phase difference between the digital signal and a feedback signal. A digital filter filters the error signal to generate the first output. A feedback path provides the feedback signal based on the first output and a filter selector to select a filter to be applied from different filters. At least one input on which a common filter circuit operates is scaled differently for each of the different filters to select different filter bandwidths.Type: GrantFiled: March 26, 2021Date of Patent: December 27, 2022Assignee: MELEXIS TECHNOLOGIES SAInventors: Eric Sachse, Gael Close
-
Patent number: 11531046Abstract: A sensor device includes a silicon substrate having an active surface; a first sensing area disposed near a first edge of the active surface of the silicon substrate such that the first sensing area has at least one first magnetic sensing element is made of a first compound semiconductor material and contact pads; and a second sensing area disposed near a second edge of the active surface of the silicon substrate, such that the second edge is substantially opposite to the first edge, such that the second sensing area has at least one second magnetic sensing element made of a second compound semiconductor material and contact pads. A processing circuit is disposed of in the silicon substrate and is electrically connected via wire bonds and/or a redistribution layer with the contact pads of the first and second sensing areas.Type: GrantFiled: September 24, 2021Date of Patent: December 20, 2022Assignee: MELEXIS TECHNOLOGIES SAInventors: Lucian Barbut, Francis Monchal, Simon Houis, Lionel Tombez
-
Patent number: 11525701Abstract: The present invention relates to an inductive position sensor configured to determine a position of a target device. The inductive position sensor comprises at least two coils for determining the position. At least two of the at least two coils for determining the position at least partially overlap. At least one coil of the at least two at least partially overlapping coils is a transmitter coil and at least one of the at least two coils is a receiver coil. At least one of the at least two coils has N2+R portions substantially equally distributed over N substantially parallel planes, N being an integer larger than or equal to two and R an integer larger than or equal to zero. For each of the at least two coils the portions distributed over the N substantially parallel planes are substantially identical, so that mutual inductance between the at least two coils is substantially unaffected by misalignments between the N substantially parallel planes.Type: GrantFiled: March 2, 2021Date of Patent: December 13, 2022Assignee: MELEXIS TECHNOLOGIES SAInventors: Lorenzo Lugani, Wolfram Kluge
-
Patent number: 11525716Abstract: A method of determining a set of calibration values for offset-compensation of an inductive angular sensor arrangement includes: a substrate with a transmitter coil and three receiver coils, and a rotatable target. The method involves the steps of: a) exciting the transmitter coil; b) positioning the target at or near predefined positions, c) measuring and processing the signals, including calculating sums of squares of difference signals. A sensor device, and an angular sensor system may be arranged or adapted in view of the method.Type: GrantFiled: December 7, 2021Date of Patent: December 13, 2022Assignee: MELEXIS TECHNOLOGIES SAInventors: Mohammed El-Shennawy, Paul Jordan, Yassine Akermi
-
Patent number: 11522125Abstract: A semiconductor stack for a Hall effect device, which comprises: a bottom barrier comprising AlxGa1-xAs, a channel comprising InyGa1-yAs, on the bottom barrier, a channel barrier with a thickness which is at least 2 nm and which is smaller than or equal to 15 nm, and which at least comprises a first layer comprising AlzGa1-zAs with 0.1?z?0.22, wherein the first layer has a thickness of at least 2 nm, wherein a conduction band edge of the bottom barrier and the first layer is higher than a conduction band edge of the channel, a doping layer comprising a composition of Al, Ga and As and doped with n-type material, a top barrier comprising a composition of Al, Ga and As.Type: GrantFiled: February 10, 2021Date of Patent: December 6, 2022Assignee: MELEXIS TECHNOLOGIES SAInventors: Kuan-Ting Ho, Lucian Barbut
-
Patent number: 11520049Abstract: A pulsed-light detection and ranging apparatus comprises an optical detector arranged to generate, when in use, time-series data in response to an optical pulse incident thereupon. A processing resource is also provided and arranged to support a pulse analyser (132). The pulse analyser (132) is arranged to identify (134) an inflection point of a pulse described by the time-series data. The pulse analyser (132) is further arranged to calculate (138) a distance based upon determined inflection point relative to a time axis associated with the time-series data.Type: GrantFiled: April 3, 2019Date of Patent: December 6, 2022Assignee: MELEXIS TECHNOLOGIES NVInventor: Andrii Kyselov
-
Patent number: 11515467Abstract: A piezo-resistor sensor includes a diffusion of a first conductivity type in a well of an opposite second type, contacts with islands in the diffusion, interconnects with the contacts, and a shield covers the diffusion between the contacts and extends over side walls of the diffusion between the contacts. Each interconnect covers the diffusion at the corresponding contact and extends over edges of the diffusion, and each island is at a side covered by its interconnect. A guard ring of the second type is around the diffusion. The shield covers the well between the diffusion and the ring and the edge of the ring facing the diffusion. If a gap between the shield and the interconnect is present, the ring bridges this gap, and/or the edges of the diffusion are completely covered by the combination of the shield and the interconnects.Type: GrantFiled: December 4, 2020Date of Patent: November 29, 2022Assignee: MELEXIS TECHNOLOGIES NVInventors: Appolonius Jacobus Van Der Wiel, Maliheh Ramezani, Cathleen Rooman, Laurent Otte, Johan Vergauwen
-
Patent number: 11507525Abstract: A method for communicating between a master and a plurality of slaves includes generating a communication frame including generating a slave data frame in each slave. The slave data frame has a data packet including one or more data bytes and at least one gap of variable time length comprising no information in the slave data frame. The gap may be at the beginning of said slave data frame before the beginning of the first data byte of said data packet and/or at the end of said data packet after the end of a last data byte of said data packet, where the gaps have a time length dependency based on parameters locally stored in each of said at least one slave. The slave data frame is transmitted sequentially where the gap increases for each subsequent slave.Type: GrantFiled: June 29, 2021Date of Patent: November 22, 2022Assignee: MELEXIS TECHNOLOGIES NVInventors: Eric Sachse, Torsten Bacher, Thomas Freitag
-
Patent number: 11506688Abstract: A circuit for sensing a current comprises a substrate having a first and a second major surface, the second major surface being opposite to the first major surface. At least one magnetic field sensing element is arranged on the first major surface of the substrate and is suitable for sensing a magnetic field caused by a current flow in a current conductor coupled to the second major surface. The substrate also comprises at least one insulation layer, substantially buried between the first major surface and the second major surface of the substrate.Type: GrantFiled: October 24, 2019Date of Patent: November 22, 2022Assignee: MELEXIS TECHNOLOGIES SAInventors: Bruno Boury, Robert Racz, Jian Chen, Antonio Cacciato
-
Patent number: 11499843Abstract: A target configured to be used with a position sensor for sensing a position of the target is described. The target includes at least one elongated conductive loop structure for allowing eddy currents to flow therein and configured to affect a magnetic field received from the position sensor in a preferred direction along the at least one elongated conductive loop structure.Type: GrantFiled: January 22, 2019Date of Patent: November 15, 2022Assignee: MELEXIS TECHNOLOGIES SAInventors: Samuel Huber Lindenberger, Javier Bilbao De Mendizabal, Jan-Willem Burssens, Wolfram Kluge, Jorg Rudiger
-
Patent number: 11493613Abstract: A method of generating a time domain echo waveform comprises: a triggered source of pulsed electromagnetic radiation (108) emitting (202) a plurality of electromagnetic radiation pulses (132). A plurality of reflected pulses (134) irradiates an electromagnetic radiation detector cell (116), the detector (116) generating a plurality of stored electrical measurements in response thereto. The method also comprises generating a time-varying mixing signal and respectively applying (204, 206) phase-shifted variations thereof to the detector (116) while generating the plurality of electrical measurements. A signal pre-processor (126) reads out (210) the plurality of electrical measurements from the detector (116). A signal reconstruction unit (128) and then generates (300, 302, 500, 502) a spectrum (404, 604) in respect of the electrical measurements and a spectrum (406, 606) of the mixing signal.Type: GrantFiled: April 15, 2020Date of Patent: November 8, 2022Assignee: MELEXIS TECHNOLOGIES NVInventor: Volodymyr Seliuchenko
-
Patent number: 11480631Abstract: A method for detecting an error in a bridge sensor which is adapted for measuring a physical parameter. The method comprises biasing a first contact pair of the bridge sensor at least two times in a first direction and at least one time in a second direction opposite to the first direction; while biasing the first contact pair, measuring an output signal on a different contact pair of the bridge sensor, thus obtaining at least three output measurements which are representative for the physical parameter and which are separated by time intervals; combining the output measurements to obtain an output value which is indicative for an error in the bridge sensor, wherein the output measurements which are combined are only those output measurements which are measured when biasing the first contact pair.Type: GrantFiled: May 2, 2018Date of Patent: October 25, 2022Assignee: MELEXIS TECHNOLOGIES SAInventors: Javier Bilbao de Mendizabal, Mathieu Poezart, Gael Close
-
Patent number: 11480590Abstract: The present invention relates to a current-sensor structure comprising a conductor for conducting electrical current in a current direction. The conductor has one or more conductor surfaces. At least one current sensor is disposed on, over, adjacent to or in contact with the conductor and is offset from a centre of the conductor in an offset direction orthogonal to the current direction and optionally parallel to a conductor surface. The current-sensor structure can comprise a substrate on which the conductor is disposed. The current sensor can be located on a side of the conductor opposite or orthogonal to a surface of the substrate. The current sensor can be aligned with, near to or adjacent to an edge of the conductor. The current-sensor structure can comprise a shield, such as a U-shaped laminated shield that at least partially surrounds the conductor and the current sensor.Type: GrantFiled: January 7, 2019Date of Patent: October 25, 2022Assignee: MELEXIS TECHNOLOGIES SAInventors: Robert Racz, Amalia Spataru, Simon Houis, Bruno Boury, Javier Bilbao De Mendizabal
-
Patent number: 11480591Abstract: A current-sensor structure comprises a conductor for conducting electrical current in a current direction. The conductor has one or more conductor surfaces and an edge. At least one current sensor is disposed on, over, adjacent to or in contact with the conductor and is offset from a centre of the conductor in an offset direction orthogonal to the current direction. The current sensor is aligned with the edge of the conductor or the conductor has a width W and the current sensor is within a distance of W/2.5, W/3, W/4, W/5 or W/6 of the conductor edge. The current-sensor structure can comprise a substrate on which the conductor is disposed.Type: GrantFiled: January 7, 2019Date of Patent: October 25, 2022Assignee: MELEXIS TECHNOLOGIES SAInventors: Javier Bilbao De Mendizabal, Simon Houis
-
Patent number: 11474165Abstract: A sensor comprises a housing; and a lead frame comprising at least three elongated leads having an exterior portion extending from the housing; and a magnetic sensor circuit disposed in the housing, and connected to the lead frame. The housing comprises two recesses arranged on two opposite sides of the housing for allowing the sensor to be mounted to a support. The lead frame may further comprise a plurality of tabs disposed between the elongated leads, for use as test pins. A component assembly comprising said sensor mounted on a support between deformable protrusions. A method of making said component assembly, comprising the step of positioning said component on the support between said protrusions, and deforming said protrusions such that they are at least partially disposed within the recesses.Type: GrantFiled: October 30, 2020Date of Patent: October 18, 2022Assignee: MELEXIS TECHNOLOGIES SAInventors: Jian Chen, Orlin Gueorguiev Saradjov
-
Patent number: 11435413Abstract: The present invention relates to a field-sensor device comprising a reference field sensor providing a reference sensor signal in response to a field, a calibrated field sensor providing a calibrated sensor signal in response to the field, a reference circuit connected to the reference field sensor and adapted to receive a reference signal, and an adjustable circuit connected to the calibrated field sensor and adapted to receive a calibrated signal. When the adjustable circuit is adjusted with the calibrated signal, said calibrated signal being different from the reference signal, the calibrated field sensor provides a calibrated sensor signal substantially equal to the reference sensor signal. The field sensor device is arranged to be exposed, when in a calibration mode, to a uniform calibration field and, when in operational mode, to an operational field being a field gradient.Type: GrantFiled: September 11, 2020Date of Patent: September 6, 2022Assignee: MELEXIS TECHNOLOGIES SAInventors: Gael Close, Arnaud Laville, Stefan Rigert, Samuel Huber Lindenberger