Patents by Inventor Eric LAHAYE
Eric LAHAYE 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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Patent number: 12601794Abstract: A method of determining an orientation of a magnet which is pivotable about a reference position having a predefined position relative to a silicon substrate, includes: providing a silicon substrate; determining a first/second magnetic field gradient along a first/second direction; determining a first/second angle based on said first/second magnetic field gradient and a first/second correction value. A sensor device configured for performing this method. A sensor system includes such sensor device and a magnet, optionally connected to a joystick.Type: GrantFiled: October 17, 2023Date of Patent: April 14, 2026Assignee: MELEXIS TECHNOLOGIES SAInventors: Lionel Tombez, Nicolas Dupre, Eric Lahaye
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Publication number: 20250327689Abstract: A sensor device for determining the orientation of a magnet that is pivotable about a reference point. the sensor device includes a semiconductor substrate including a first and a second magnetic sensor spaced apart in a first direction, each configured for measuring a first magnetic field component oriented in the first direction, and a second magnetic field component oriented in a second direction; wherein the sensor device further includes a processing circuit configured for determining: i) a first magnetic field gradient; ii) a second magnetic field gradient; iii) a first angle based on the first magnetic field gradient; iv) a second angle based on the second magnetic field gradient. A sensor system includes the sensor device and the magnet.Type: ApplicationFiled: April 1, 2025Publication date: October 23, 2025Inventors: Nicolas DUPRE, Lionel TOMBEZ, Eric LAHAYE
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Patent number: 12402541Abstract: A sensor device comprising: a lead frame; a first/second semiconductor die having a first/second sensor structure at a first/second sensor location, and a plurality of first/second bond pads electrically connected to the lead frame; the semiconductor dies having a square or rectangular shape with a geometric center; the sensor locations are offset from the geometrical centers; the second die is stacked on top of the first die, and is rotated by a non-zero angle and optionally also offset or shifted with respect to the first die, such that a perpendicular projection of the first and second sensor location coincide.Type: GrantFiled: April 3, 2023Date of Patent: August 26, 2025Assignee: MELEXIS TECHNOLOGIES SAInventors: Arnaud Laville, Eric Lahaye, Jian Chen
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Patent number: 12372379Abstract: Method of determining a position of a sensor device relative to a magnetic source, includes: a) determining a first and a second magnetic field component at a first sensor location; b) determining a third and a fourth magnetic field component at a second sensor location; c) determining a first difference of the first and third component, and determining a second difference of the second and fourth component, and determining a first angle based on a ratio of the first and second difference; d) determining a first sum of the first and third component, and determining a second sum of the second and fourth component; e) determining a second angle based on a ratio of said first and second sum; f) comparing the first and second angle to detect error.Type: GrantFiled: April 9, 2024Date of Patent: July 29, 2025Assignee: MELEXIS TECHNOLOGIES SAInventors: Gael Close, Eric Lahaye, Lionel Tombez
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Patent number: 12352606Abstract: Method of determining a position of a sensor device relative to a magnetic source, includes: a) determining a first and a second magnetic field component at a first sensor location; b) determining a third and a fourth magnetic field component at a second sensor location; c) determining a first difference of the first and third component, and determining a second difference of the second and fourth component, and determining a first angle based on a ratio of the first and second difference; d) determining a first sum of the first and third component, and determining a second sum of the second and fourth component; e) determining a second angle based on a ratio of said first and second sum; f) comparing the first and second angle to detect error.Type: GrantFiled: April 9, 2024Date of Patent: July 8, 2025Assignee: MELEXIS TECHNOLOGIES SAInventors: Gael Close, Eric Lahaye, Lionel Tombez
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Patent number: 12137618Abstract: A sensor device comprising: a lead frame; a first/second semiconductor die having a first/second sensor structure at a first/second sensor location, and a plurality of first/second bond pads electrically connected to the lead frame; the semiconductor dies having a square or rectangular shape with a geometric center; the sensor locations are offset from the geometrical centers; the second die is stacked on top of the first die, and is rotated by a non-zero angle and optionally also offset or shifted with respect to the first die, such that a perpendicular projection of the first and second sensor location coincide.Type: GrantFiled: July 13, 2023Date of Patent: November 5, 2024Assignee: MELEXIS TECHNOLOGIES SAInventors: Arnaud Laville, Eric Lahaye, Jian Chen
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Publication number: 20240255313Abstract: Method of determining a position of a sensor device relative to a magnetic source, includes: a) determining a first and a second magnetic field component at a first sensor location; b) determining a third and a fourth magnetic field component at a second sensor location; c) determining a first difference of the first and third component, and determining a second difference of the second and fourth component, and determining a first angle based on a ratio of the first and second difference; d) determining a first sum of the first and third component, and determining a second sum of the second and fourth component; e) determining a second angle based on a ratio of said first and second sum; f) comparing the first and second angle to detect error.Type: ApplicationFiled: April 9, 2024Publication date: August 1, 2024Inventors: Gael CLOSE, Eric LAHAYE, Lionel TOMBEZ
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Publication number: 20240255314Abstract: Method of determining a position of a sensor device relative to a magnetic source, includes: a) determining a first and a second magnetic field component at a first sensor location; b) determining a third and a fourth magnetic field component at a second sensor location; c) determining a first difference of the first and third component, and determining a second difference of the second and fourth component, and determining a first angle based on a ratio of the first and second difference; d) determining a first sum of the first and third component, and determining a second sum of the second and fourth component; e) determining a second angle based on a ratio of said first and second sum; f) comparing the first and second angle to detect error.Type: ApplicationFiled: April 9, 2024Publication date: August 1, 2024Inventors: Gael CLOSE, Eric LAHAYE, Lionel TOMBEZ
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Publication number: 20240230793Abstract: A method of determining an orientation of a magnet which is pivotable about a reference position having a predefined position relative to a silicon substrate, includes: providing a silicon substrate; determining a first/second magnetic field gradient along a first/second direction; determining a first/second angle based on said first/second magnetic field gradient and a first/second correction value. A sensor device configured for performing this method. A sensor system includes such sensor device and a magnet, optionally connected to a joystick.Type: ApplicationFiled: October 17, 2023Publication date: July 11, 2024Inventors: Lionel TOMBEZ, Nicolas DUPRE, Eric LAHAYE
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Patent number: 11982547Abstract: Method of determining a position of a sensor device relative to a magnetic source, includes: a) determining a first and a second magnetic field component at a first sensor location; b) determining a third and a fourth magnetic field component at a second sensor location; c) determining a first difference of the first and third component, and determining a second difference of the second and fourth component, and determining a first angle based on a ratio of the first and second difference; d) determining a first sum of the first and third component, and determining a second sum of the second and fourth component; e) determining a second angle based on a ratio of said first and second sum; f) comparing the first and second angle to detect error.Type: GrantFiled: January 31, 2023Date of Patent: May 14, 2024Assignee: MELEXIS TECHNOLOGIES SAInventors: Gael Close, Eric Lahaye, Lionel Tombez
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Publication number: 20240133978Abstract: A method of determining an orientation of a magnet which is pivotable about a reference position having a predefined position relative to a silicon substrate, includes: providing a silicon substrate; determining a first/second magnetic field gradient along a first/second direction; determining a first/second angle based on said first/second magnetic field gradient and a first/second correction value. A sensor device configured for performing this method. A sensor system includes such sensor device and a magnet, optionally connected to a joystick.Type: ApplicationFiled: October 16, 2023Publication date: April 25, 2024Inventors: Lionel TOMBEZ, Nicolas DUPRE, Eric LAHAYE
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Patent number: 11849650Abstract: A sensor device comprising: a lead frame; a first/second semiconductor die having a first/second sensor structure at a first/second sensor location, and a plurality of first/second bond pads electrically connected to the lead frame; the semiconductor dies having a square or rectangular shape with a geometric center; the sensor locations are offset from the geometrical centers; the second die is stacked on top of the first die, and is rotated by a non-zero angle and optionally also offset or shifted with respect to the first die, such that a perpendicular projection of the first and second sensor location coincide.Type: GrantFiled: October 7, 2020Date of Patent: December 19, 2023Assignee: MELEXIS TECHNOLOGIES SAInventors: Arnaud Laville, Eric Lahaye, Jian Chen
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Publication number: 20230371401Abstract: A sensor device comprising: a lead frame; a first/second semiconductor die having a first/second sensor structure at a first/second sensor location, and a plurality of first/second bond pads electrically connected to the lead frame; the semiconductor dies having a square or rectangular shape with a geometric center; the sensor locations are offset from the geometrical centers; the second die is stacked on top of the first die, and is rotated by a non-zero angle and optionally also offset or shifted with respect to the first die, such that a perpendicular projection of the first and second sensor location coincide.Type: ApplicationFiled: July 13, 2023Publication date: November 16, 2023Inventors: Arnaud LAVILLE, Eric LAHAYE, Jian CHEN
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Publication number: 20230240153Abstract: A sensor device comprising: a lead frame; a first/second semiconductor die having a first/second sensor structure at a first/second sensor location, and a plurality of first/second bond pads electrically connected to the lead frame; the semiconductor dies having a square or rectangular shape with a geometric center; the sensor locations are offset from the geometrical centers; the second die is stacked on top of the first die, and is rotated by a non-zero angle and optionally also offset or shifted with respect to the first die, such that a perpendicular projection of the first and second sensor location coincide.Type: ApplicationFiled: April 3, 2023Publication date: July 27, 2023Inventors: Arnaud LAVILLE, Eric LAHAYE, Jian CHEN
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Publication number: 20230184566Abstract: Method of determining a position of a sensor device relative to a magnetic source, includes: a) determining a first and a second magnetic field component at a first sensor location; b) determining a third and a fourth magnetic field component at a second sensor location; c) determining a first difference of the first and third component, and determining a second difference of the second and fourth component, and determining a first angle based on a ratio of the first and second difference; d) determining a first sum of the first and third component, and determining a second sum of the second and fourth component; e) determining a second angle based on a ratio of said first and second sum; f) comparing the first and second angle to detect error.Type: ApplicationFiled: January 31, 2023Publication date: June 15, 2023Inventors: Gael CLOSE, Eric LAHAYE, Lionel TOMBEZ
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Patent number: 11592317Abstract: Method of determining a position of a sensor device relative to a magnetic source, includes: a) determining a first and a second magnetic field component at a first sensor location; b) determining a third and a fourth magnetic field component at a second sensor location; c) determining a first difference of the first and third component, and determining a second difference of the second and fourth component, and determining a first angle based on a ratio of the first and second difference; d) determining a first sum of the first and third component, and determining a second sum of the second and fourth component; e) determining a second angle based on a ratio of said first and second sum; f) comparing the first and second angle to detect error.Type: GrantFiled: May 20, 2022Date of Patent: February 28, 2023Assignee: MELEXIS TECHNOLOGIES SAInventors: Gael Close, Eric Lahaye, Lionel Tombez
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Publication number: 20220381586Abstract: Method of determining a position of a sensor device relative to a magnetic source, includes: a) determining a first and a second magnetic field component at a first sensor location; b) determining a third and a fourth magnetic field component at a second sensor location; c) determining a first difference of the first and third component, and determining a second difference of the second and fourth component, and determining a first angle based on a ratio of the first and second difference; d) determining a first sum of the first and third component, and determining a second sum of the second and fourth component; e) determining a second angle based on a ratio of said first and second sum; f) comparing the first and second angle to detect error.Type: ApplicationFiled: May 20, 2022Publication date: December 1, 2022Inventors: Gael CLOSE, Eric LAHAYE, Lionel TOMBEZ
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Publication number: 20210111335Abstract: A sensor device comprising: a lead frame; a first/second semiconductor die having a first/second sensor structure at a first/second sensor location, and a plurality of first/second bond pads electrically connected to the lead frame; the semiconductor dies having a square or rectangular shape with a geometric center; the sensor locations are offset from the geometrical centers; the second die is stacked on top of the first die, and is rotated by a non-zero angle and optionally also offset or shifted with respect to the first die, such that a perpendicular projection of the first and second sensor location coincide.Type: ApplicationFiled: October 7, 2020Publication date: April 15, 2021Inventors: Arnaud LAVILLE, Eric LAHAYE, Jian CHEN