Patents by Inventor Christian Schott
Christian Schott has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230296416Abstract: A sensing system and a method for sensing position include a first magnetic track comprising a first number of multipoles for generating a magnetic field solidarily fixed to a second magnetic track for generating a magnetic field and a second sensor for sensing magnetic field, forming a magnetic structure. At least two sensors are included. The first sensor is positioned proximal to the first magnetic track, closer to the first magnetic track than to the second magnetic track. The second sensor is positioned between the first sensor and the second magnetic track. The distance between the first sensor and the second magnetic track is larger than the distance between the second sensor and the second magnetic track. The magnetic flux density generated by the first and second magnetic tracks follow a ratio of two or more.Type: ApplicationFiled: May 24, 2023Publication date: September 21, 2023Inventors: Bruno BRAJON, Christian SCHOTT
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Publication number: 20230213359Abstract: A position sensor system is arranged for determining a position of a sensor device movable along a predefined path relative to a magnetic source. The system includes the magnetic source and the sensor device. The magnetic source has a first plurality of magnetic pole pairs arranged along a first track and a second plurality of magnetic pole pairs arranged along a second track, centrelines of the tracks are spaced apart by a predefined track distance. The sensor device is configured for measuring at least two orthogonal magnetic field components at a first sensor location, and at least two second orthogonal magnetic field components at a second sensor location. The first and second sensor location are spaced apart by a predefined sensor distance smaller than the predefined track distance, in a direction transverse to the tracks.Type: ApplicationFiled: March 17, 2023Publication date: July 6, 2023Inventors: Christian SCHOTT, Gael CLOSE, Bruno BRAJON
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Publication number: 20230160722Abstract: A sensing system and a method for sensing position include a first magnetic track comprising a first number of multipoles for generating a magnetic field solidarily fixed to a second magnetic track for generating a magnetic field and a second sensor for sensing magnetic field, forming a magnetic structure. At least two sensors are included. The first sensor is positioned proximal to the first magnetic track, closer to the first magnetic track than to the second magnetic track. The second sensor is positioned proximal to the second magnetic track. The distance between the first sensor and the second magnetic track is larger than the distance between the second sensor and the second magnetic track. The magnetic flux density generated by the first and second magnetic tracks follow a ratio of two or more.Type: ApplicationFiled: November 23, 2022Publication date: May 25, 2023Inventors: Bruno BRAJON, Christian SCHOTT
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Patent number: 11614343Abstract: A position sensor system is arranged for determining a position of a sensor device movable along a predefined path relative to a magnetic source. The system includes the magnetic source and the sensor device. The magnetic source has a first plurality of magnetic pole pairs arranged along a first track and a second plurality of magnetic pole pairs arranged along a second track, centrelines of the tracks are spaced apart by a predefined track distance. The sensor device is configured for measuring at least two orthogonal magnetic field components at a first sensor location, and at least two second orthogonal magnetic field components at a second sensor location. The first and second sensor location are spaced apart by a predefined sensor distance smaller than the predefined track distance, in a direction transverse to the tracks.Type: GrantFiled: December 7, 2021Date of Patent: March 28, 2023Assignee: MELEXIS TECHNOLOGIES SAInventors: Christian Schott, Gael Close, Bruno Brajon
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Patent number: 11592318Abstract: A system for measuring an angular position of a rotor with respect to a stator, wherein the rotor is rotatable around a rotation axis, and the system includes: a magnetic source mounted on the rotor, having at least four magnet poles and providing a periodically repetitive magnetic field pattern with respect to the rotation axis; a sensor mounted on the stator and comprising a plurality of sensor elements for measuring at least one magnetic field component of the magnetic field and for providing a measurement signal thereof; the sensor being located substantially centered around the rotation axis, in a plane substantially perpendicular to the rotation axis at a first distance from the magnetic source; the sensor elements being located substantially on a circle at a second distance from the rotation axis; a calculator that determines the angular position by calculating it from the measurement signals.Type: GrantFiled: June 30, 2022Date of Patent: February 28, 2023Assignee: MELEXIS TECHNOLOGIES NVInventors: Christian Schott, Samuel Huber
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Publication number: 20220341756Abstract: A system for measuring an angular position of a rotor with respect to a stator, wherein the rotor is rotatable around a rotation axis, and the system includes: a magnetic source mounted on the rotor, having at least four magnet poles and providing a periodically repetitive magnetic field pattern with respect to the rotation axis; a sensor mounted on the stator and comprising a plurality of sensor elements for measuring at least one magnetic field component of the magnetic field and for providing a measurement signal thereof; the sensor being located substantially centered around the rotation axis, in a plane substantially perpendicular to the rotation axis at a first distance from the magnetic source; the sensor elements being located substantially on a circle at a second distance from the rotation axis; a calculator that determines the angular position by calculating it from the measurement signals.Type: ApplicationFiled: June 30, 2022Publication date: October 27, 2022Inventors: Christian SCHOTT, Samuel HUBER
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Patent number: 11391601Abstract: A system for measuring an angular position of a rotor with respect to a stator, wherein the rotor is rotatable around a rotation axis, the system comprising: a magnetic source mounted on the rotor, having at least four magnet poles and providing a periodically repetitive magnetic field pattern with respect to the rotation axis; a sensor mounted on the stator and comprising a plurality of sensor elements for measuring at least one magnetic field component of the magnetic field and for providing a measurement signal thereof; the sensor being located substantially centered around the rotation axis, in a plane substantially perpendicular to the rotation axis at a first distance from the magnetic source; the sensor elements being located substantially on a circle at a second distance from the rotation axis; a calculator that determines the angular position by calculating it from the measurement signals.Type: GrantFiled: October 1, 2020Date of Patent: July 19, 2022Assignee: MELEXIS TECHNOLOGIES NVInventors: Christian Schott, Samuel Huber
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Publication number: 20220196435Abstract: A position sensor system is arranged for determining a position of a sensor device movable along a predefined path relative to a magnetic source. The system includes the magnetic source and the sensor device. The magnetic source has a first plurality of magnetic pole pairs arranged along a first track and a second plurality of magnetic pole pairs arranged along a second track, centrelines of the tracks are spaced apart by a predefined track distance. The sensor device is configured for measuring at least two orthogonal magnetic field components at a first sensor location, and at least two second orthogonal magnetic field components at a second sensor location. The first and second sensor location are spaced apart by a predefined sensor distance smaller than the predefined track distance, in a direction transverse to the tracks.Type: ApplicationFiled: December 7, 2021Publication date: June 23, 2022Inventors: Christian SCHOTT, Gael CLOSE, Bruno BRAJON
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Patent number: 11255698Abstract: A position sensor arrangement, comprising: a magnetic source and a position sensor device movably arranged relative to each other; the latter comprising at least three magnetic sensors for measuring said magnetic field; a processing unit for determining a position based on a ratio of a first pairwise difference and a second pairwise difference, the first pairwise difference being a difference of a first pair of two signals, the second pairwise difference signal being a difference of a second pair of two signals. A method of determining a position, by performing said measurements, and by calculating said differences and said ratio. A method of calibrating said position sensor, including the step of storing at least one parameter or a look-up table in a non-volatile memory. A method of auto-calibration.Type: GrantFiled: May 14, 2020Date of Patent: February 22, 2022Assignee: MELEXIS TECHNOLOGIES SAInventors: Javier Bilbao De Mendizabal, Christian Schott, Lionel Tombez
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Publication number: 20210311140Abstract: A multi-element sensor for measuring a magnetic field. The multi-element sensor comprises a magnetic sensing element, and an electronic circuit. The magnetic sensing element comprises a sensor substrate and a magnetic sensor. The magnetic sensing element is mounted on the electronic circuit and contact pads are provided on the magnetic sensor. The contact pads of the magnetic sensing element are electrically connected with the electronic circuit. The electronic circuit is produced in a first technology and/or first material and the magnetic sensing element is produced in a second technology and/or second material different from the first technology/material, and the contact pads are disposed next to an edge or at a corner of the sensor substrate.Type: ApplicationFiled: June 18, 2021Publication date: October 7, 2021Inventors: Christian SCHOTT, Matthew MEITL, Christopher BOWER
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Patent number: 11067643Abstract: A multi-element sensor for measuring a magnetic field. The multi-element sensor comprises a magnetic sensing element, and an electronic circuit. The magnetic sensing element is mounted on the electronic circuit and comprises a fractured tether. The magnetic sensing element is electrically connected with the electronic circuit. The electronic circuit is produced in a first technology and/or first material and the magnetic sensing element is produced in a second technology and/or second material different from the first technology/material.Type: GrantFiled: December 1, 2017Date of Patent: July 20, 2021Assignees: MELEXIS TECHNOLOGIES NV, X-CELEPRINT LIMITEDInventors: Christian Schott, Matthew Meitl, Christopher Bower
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Patent number: 11047926Abstract: An apparatus and a method for redundant measurements of a magnetic field originating from or influenced by a moveable object is described. The apparatus comprising at least one first magnetic field sensitive element measuring at least one magnetic field property of the magnetic field, wherein the at least one first magnetic field sensitive element is implemented on a first area of a semiconductor substrate, at least one second magnetic field sensitive element measuring at least one magnetic field property of the magnetic field, wherein the at least one second magnetic field sensitive element is implemented on a second area of said semiconductor substrate, and wherein the first and second areas are isolated from one another.Type: GrantFiled: December 14, 2017Date of Patent: June 29, 2021Assignee: Melexis Technologies SAInventors: Jan-Willem Burssens, Vincent Hiligsmann, Lucian Barbut, Samuel Huber Lindenberger, Christian Schott
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Publication number: 20210018336Abstract: A system for measuring an angular position of a rotor with respect to a stator, wherein the rotor is rotatable around a rotation axis, the system comprising: a magnetic source mounted on the rotor, having at least four magnet poles and providing a periodically repetitive magnetic field pattern with respect to the rotation axis; a sensor mounted on the stator and comprising a plurality of sensor elements for measuring at least one magnetic field component of the magnetic field and for providing a measurement signal thereof; the sensor being located substantially centered around the rotation axis, in a plane substantially perpendicular to the rotation axis at a first distance from the magnetic source; the sensor elements being located substantially on a circle at a second distance from the rotation axis; a calculator that determines the angular position by calculating it from the measurement signals.Type: ApplicationFiled: October 1, 2020Publication date: January 21, 2021Inventors: Christian SCHOTT, Samuel HUBER
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Publication number: 20200370924Abstract: A position sensor arrangement, comprising: a magnetic source and a position sensor device movably arranged relative to each other; the latter comprising at least three magnetic sensors for measuring said magnetic field; a processing unit for determining a position based on a ratio of a first pairwise difference and a second pairwise difference, the first pairwise difference being a difference of a first pair of two signals, the second pairwise difference signal being a difference of a second pair of two signals. A method of determining a position, by performing said measurements, and by calculating said differences and said ratio. A method of calibrating said position sensor, including the step of storing at least one parameter or a look-up table in a non-volatile memory. A method of auto-calibration.Type: ApplicationFiled: May 14, 2020Publication date: November 26, 2020Inventors: Javier BILBAO DE MENDIZABAL, Christian SCHOTT, Lionel TOMBEZ
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Patent number: 10830612Abstract: A system for measuring an angular position of a rotor with respect to a stator, wherein the rotor is rotatable around a rotation axis, the system comprising: a magnetic source mounted on the rotor, having at least four magnet poles and providing a periodically repetitive magnetic field pattern with respect to the rotation axis; a sensor mounted on the stator and comprising a plurality of sensor elements for measuring at least one magnetic field component of the magnetic field and for providing a measurement signal thereof; the sensor being located substantially centered around the rotation axis, in a plane substantially perpendicular to the rotation axis at a first distance from the magnetic source; the sensor elements being located substantially on a circle at a second distance from the rotation axis; a calculator that determines the angular position by calculating it from the measurement signals.Type: GrantFiled: April 16, 2019Date of Patent: November 10, 2020Assignee: MELEXIS TECHNOLOGIES NVInventors: Christian Schott, Samuel Huber
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Publication number: 20200124684Abstract: An apparatus and a method for redundant measurements of a magnetic field originating from or influenced by a moveable object is described. The apparatus comprising at least one first magnetic field sensitive element measuring at least one magnetic field property of the magnetic field, wherein the at least one first magnetic field sensitive element is implemented on a first area of a semiconductor substrate, at least one second magnetic field sensitive element measuring at least one magnetic field property of the magnetic field, wherein the at least one second magnetic field sensitive element is implemented on a second area of said semiconductor substrate, and wherein the first and second areas are isolated from one another.Type: ApplicationFiled: December 14, 2017Publication date: April 23, 2020Applicant: Melexis Technologies SAInventors: Jan-Willem BURSSENS, Vincent HILIGSMANN, Lucian BARBUT, Samuel HUBER LINDENBERGER, Christian SCHOTT
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Patent number: 10620277Abstract: A semiconductor chip for measuring a magnetic field. The semiconductor chip comprises a magnetic sensing element, and an electronic circuit. The magnetic sensing element is mounted on the electronic circuit. The magnetic sensing element is electrically connected with the electronic circuit. The electronic circuit is produced in a first technology and/or first material and the magnetic sensing element is produced in a second technology and/or second material different from the first technology/material.Type: GrantFiled: November 3, 2015Date of Patent: April 14, 2020Assignees: MELEXIS TECHNOLOGIES NV, X-CELEPRINT LIMITEDInventors: Christian Schott, Matthew Meitl, Christopher Bower
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Patent number: 10524063Abstract: A binaural aid assistance system comprises first and second hearing assistance devices, each being adapted for being located at or in, or fully or partially implanted in the head at one of a left and right ear, respectively, of a user, wherein each of the first and second hearing assistance devices comprises a) a first wireless interface comprising first antenna and transceiver circuitry adapted for establishing a first communication link to the respective other hearing assistance device based on near-field communication; b) a second wireless interface comprising second antenna and transceiver circuitry adapted for establishing a second bi-directional communication link to an auxiliary device based on far-field communication; and wherein the hearing assistance system is configured to transmit an audio signal picked up by a microphone of the hearing assistance device(s) to said auxiliary device.Type: GrantFiled: December 6, 2018Date of Patent: December 31, 2019Assignee: Oticon A/SInventors: Michael Syskind Pedersen, Jesper Jensen, Peter S. K. Hansen, Bjarne Kielsholm-Ribalaygua, Kåre Tais Christensen, Jens Troelsen, Hans Christian Schott, Rune Sø
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Publication number: 20190242724Abstract: A system for measuring an angular position of a rotor with respect to a stator, wherein the rotor is rotatable around a rotation axis, the system comprising: a magnetic source mounted on the rotor, having at least four magnet poles and providing a periodically repetitive magnetic field pattern with respect to the rotation axis; a sensor mounted on the stator and comprising a plurality of sensor elements for measuring at least one magnetic field component of the magnetic field and for providing a measurement signal thereof; the sensor being located substantially centered around the rotation axis, in a plane substantially perpendicular to the rotation axis at a first distance from the magnetic source; the sensor elements being located substantially on a circle at a second distance from the rotation axis; a calculator that determines the angular position by calculating it from the measurement signals.Type: ApplicationFiled: April 16, 2019Publication date: August 8, 2019Inventors: Christian SCHOTT, Samuel HUBER
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Patent number: 10309801Abstract: An arrangement for measuring an angular position of a rotor with respect to a stator, comprises a multi-pole magnet mounted on the rotor, and a sensor mounted on the stator and a plurality of sensor elements organized in two groups or four groups for measuring a magnetic field component. A method for calculating the angular position comprises making a sum of signals of the elements of each group, a ratio of the two sums, and an arctan function. Alternatively the method may comprise making a sum of signals, the difference of sums, a ratio of the differences, and an arctan function. An integrated sensor, and the use of such arrangement or sensor in an automotive environment.Type: GrantFiled: August 23, 2013Date of Patent: June 4, 2019Assignee: MELEXIS TECHNOLOGIES NVInventors: Christian Schott, Samuel Huber