JP7130492B2 - 磁気センサにおける漂遊場拒絶 - Google Patents

磁気センサにおける漂遊場拒絶 Download PDF

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JP7130492B2
JP7130492B2 JP2018155098A JP2018155098A JP7130492B2 JP 7130492 B2 JP7130492 B2 JP 7130492B2 JP 2018155098 A JP2018155098 A JP 2018155098A JP 2018155098 A JP2018155098 A JP 2018155098A JP 7130492 B2 JP7130492 B2 JP 7130492B2
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calibrated
field
sensor
field sensor
signal
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JP2019053048A5 (enExample
JP2019053048A (ja
Inventor
ガエル・クローゼ
アルノー・ラヴィル
シュテファン・リガート
ザムエル・フーバー・リンデンベルガー
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Melexis Technologies SA
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Melexis Technologies SA
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0017—Means for compensating offset magnetic fields or the magnetic flux to be measured; Means for generating calibration magnetic fields
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/025—Compensating stray fields
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
    • G01R33/0035—Calibration of single magnetic sensors, e.g. integrated calibration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
    • G01R33/0041—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration using feed-back or modulation techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/007—Environmental aspects, e.g. temperature variations, radiation, stray fields
    • G01R33/0082—Compensation, e.g. compensating for temperature changes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/07—Hall effect devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Toxicology (AREA)
  • Measuring Magnetic Variables (AREA)
JP2018155098A 2017-09-13 2018-08-22 磁気センサにおける漂遊場拒絶 Active JP7130492B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2022080998A JP7360502B2 (ja) 2017-09-13 2022-05-17 磁気センサにおける漂遊場拒絶

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP17190942.7 2017-09-13
EP17190942.7A EP3457154B1 (en) 2017-09-13 2017-09-13 Stray field rejection in magnetic sensors

Related Child Applications (1)

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JP2019053048A JP2019053048A (ja) 2019-04-04
JP2019053048A5 JP2019053048A5 (enExample) 2021-08-19
JP7130492B2 true JP7130492B2 (ja) 2022-09-05

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JP2022080998A Active JP7360502B2 (ja) 2017-09-13 2022-05-17 磁気センサにおける漂遊場拒絶

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US (4) US10809314B2 (enExample)
EP (1) EP3457154B1 (enExample)
JP (2) JP7130492B2 (enExample)
KR (1) KR102385072B1 (enExample)
CN (1) CN109490797B (enExample)

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EP3457154B1 (en) * 2017-09-13 2020-04-08 Melexis Technologies SA Stray field rejection in magnetic sensors
EP3633534A1 (en) * 2018-10-04 2020-04-08 Thales Dis France SA A connected device adapted to measure at least a physical quantity
US11061100B2 (en) * 2019-06-12 2021-07-13 Texas Instruments Incorporated System for continuous calibration of hall sensors
US11867773B2 (en) 2019-06-18 2024-01-09 Texas Instruments Incorporated Switched capacitor integrator circuit with reference, offset cancellation and differential to single-ended conversion
USD1015201S1 (en) * 2019-06-25 2024-02-20 Woojin Plastic Co., Ltd. Belt strap adjuster
DE102019124396B4 (de) 2019-09-11 2021-05-20 Infineon Technologies Ag Stromsensor und verfahren zum erfassen einer stärke eines elektrischen stroms
EP4115192A1 (en) 2020-03-02 2023-01-11 Crocus Technology S.A. Temperature compensated mtj-based sensing circuit for measuring an external magnetic field
EP3885779B1 (en) * 2020-03-23 2024-01-17 Melexis Technologies SA Devices and methods for measuring a magnetic field gradient
EP4339633A3 (en) 2020-03-23 2024-06-19 Melexis Technologies SA Position sensor devices, methods and systems based on magnetic field gradients
EP4428555A3 (en) * 2021-06-19 2024-11-13 Melexis Technologies SA Magnetic sensor devices, systems and methods with error detection
EP4130772B1 (en) 2021-08-05 2025-07-23 Allegro MicroSystems, LLC Magnetoresistive element having compensated temperature coefficient of tmr
EP4306910B1 (en) 2022-07-11 2025-08-27 Melexis Technologies SA Magnetic position sensor system, device and method

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Publication number Publication date
US20220365147A1 (en) 2022-11-17
US12078689B2 (en) 2024-09-03
US11435413B2 (en) 2022-09-06
JP2022103310A (ja) 2022-07-07
US20190079142A1 (en) 2019-03-14
US10809314B2 (en) 2020-10-20
JP2019053048A (ja) 2019-04-04
KR20190030171A (ko) 2019-03-21
JP7360502B2 (ja) 2023-10-12
EP3457154A1 (en) 2019-03-20
US11719763B2 (en) 2023-08-08
KR102385072B1 (ko) 2022-04-08
EP3457154B1 (en) 2020-04-08
CN109490797B (zh) 2021-11-09
CN109490797A (zh) 2019-03-19
US20230341479A1 (en) 2023-10-26
US20200408853A1 (en) 2020-12-31

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