JP5934334B2 - 動き検出回路および方法 - Google Patents

動き検出回路および方法 Download PDF

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JP5934334B2
JP5934334B2 JP2014502567A JP2014502567A JP5934334B2 JP 5934334 B2 JP5934334 B2 JP 5934334B2 JP 2014502567 A JP2014502567 A JP 2014502567A JP 2014502567 A JP2014502567 A JP 2014502567A JP 5934334 B2 JP5934334 B2 JP 5934334B2
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magnetic field
signal
output signal
threshold detector
tracking
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JP2014514552A (ja
JP2014514552A5 (enExample
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フリードリヒ，アンドレアス・ペー
フォレット，アンドレア
ビグ，ラビ
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アレグロ・マイクロシステムズ・エルエルシー
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    • 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
    • G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24471—Error correction
    • G01D5/2448—Correction of gain, threshold, offset or phase control
    • 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
    • G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
    • 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
    • G01D5/145—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 influenced by the relative movement between the Hall device and magnetic 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
    • 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
    • G01D5/244—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 characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24471—Error correction
    • G01D5/2449—Error correction using hard-stored calibration data

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
JP2014502567A 2011-03-31 2012-02-10 動き検出回路および方法 Active JP5934334B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/077,127 US20120249126A1 (en) 2011-03-31 2011-03-31 Circuits and methods for motion detection
US13/077,127 2011-03-31
PCT/US2012/024583 WO2012134644A1 (en) 2011-03-31 2012-02-10 Circuits and methods for motion detection

Publications (3)

Publication Number Publication Date
JP2014514552A JP2014514552A (ja) 2014-06-19
JP2014514552A5 JP2014514552A5 (enExample) 2015-02-19
JP5934334B2 true JP5934334B2 (ja) 2016-06-15

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JP2014502567A Active JP5934334B2 (ja) 2011-03-31 2012-02-10 動き検出回路および方法

Country Status (5)

Country Link
US (1) US20120249126A1 (enExample)
EP (1) EP2678639B1 (enExample)
JP (1) JP5934334B2 (enExample)
KR (1) KR101941461B1 (enExample)
WO (1) WO2012134644A1 (enExample)

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US10845434B2 (en) 2012-01-06 2020-11-24 Allegro Microsystems, Llc Magnetic field sensor having a temperature compensated threshold on power up
US8736260B2 (en) * 2012-01-06 2014-05-27 Allegro Microsystems, Llc Magnetic field sensor and associated method that can establish a measured threshold value and that can store the measured threshold value in a memory device
US9395391B2 (en) 2013-03-15 2016-07-19 Allegro Microsystems, Llc Magnetic field sensor and associated method that can store a measured threshold value in a memory device during a time when the magnetic field sensor is powered off
US9329057B2 (en) 2012-05-31 2016-05-03 Allegro Microsystems, Llc Gear tooth sensor with peak and threshold detectors
US8723512B1 (en) 2012-11-26 2014-05-13 Allegro Microsystems, Llc Circuits and methods for generating a threshold signal used in a magnetic field sensor based on a peak signal associated with a prior cycle of a magnetic field signal
JP6502943B2 (ja) 2013-08-30 2019-04-17 アレグロ・マイクロシステムズ・エルエルシー 目標物上の特徴の可能量のセットの最小公倍数に従って、モーション検出器の中で使用される閾値信号を発生させるための回路および方法
US9797748B2 (en) * 2013-12-30 2017-10-24 Texas Instruments Incorporated Gear sensing based on differential/asymmetric inductive sensing
EP3117187B1 (en) 2014-03-11 2018-06-13 Allegro MicroSystems, LLC Magnetic field sensor maintaining a minimal separation of thresholds, and corresponding sensing method
US9829501B2 (en) * 2014-04-25 2017-11-28 Texas Instruments Incorporated Rotational sensing based on inductive sensing
CN204439658U (zh) * 2014-06-20 2015-07-01 英飞凌科技股份有限公司 旋转速度传感器
US9739846B2 (en) * 2014-10-03 2017-08-22 Allegro Microsystems, Llc Magnetic field sensors with self test
US9970996B2 (en) * 2015-01-20 2018-05-15 Allegro Microsystems, Llc Methods and apparatus for generating a threshold signal in a magnetic field sensor
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US9523742B2 (en) 2015-04-27 2016-12-20 Allegro Microsystems, Llc Circuits and methods for modulating current in circuits comprising sensing elements
US9605975B2 (en) 2015-06-05 2017-03-28 Allegro Micorsystems, Llc Magnetic field sensor for orientation independent speed and direction measurement
FR3044087B1 (fr) * 2015-11-25 2018-11-16 Continental Automotive France Procede de calibration automatique d’un capteur d’arbre a cames pour moteur de vehicule automobile et capteur associe
US9852094B2 (en) 2015-12-07 2017-12-26 Allegro Microsystems, Llc Device configuration using a magnetic field
US10480957B2 (en) * 2017-07-20 2019-11-19 Allegro Microsystems, Llc Magnetic field sensor to detect direction of angular rotation of a rotating magnetic structure, speed of the rotating magnetic structure or fault
FR3079926B1 (fr) 2018-04-05 2020-03-13 Continental Automotive France Procede de calibration automatique d'un capteur d'arbre a cames pour corriger un faux rond de cible
US10690731B2 (en) 2018-09-28 2020-06-23 Allegro Microsystems, Llc Magnetic field sensor with adaptive threshold and associated methods
US10921341B2 (en) 2019-05-09 2021-02-16 Allegro Microsystems, Llc Methods and apparatus for generating a uniform response in a magnetic field sensor
CN110779513B (zh) * 2019-10-28 2021-06-18 杭州十域科技有限公司 一种室内公共服务场所定位系统
US11385075B2 (en) 2020-02-21 2022-07-12 Allegro Microsystems, Llc Orientation independent magnetic field sensor
US11163021B2 (en) 2020-03-05 2021-11-02 Allegro Microsystems, Llc Sensors having signal redundancy
US11561112B2 (en) 2020-03-13 2023-01-24 Allegro Microsystems, Llc Current sensor having stray field immunity
US11333718B2 (en) 2020-04-15 2022-05-17 Allegro Microsystems, Llc Sensors having dynamic phase compensation
US11294000B1 (en) 2020-10-01 2022-04-05 Allegro Microsystems, Llc Magnetic field sensor with an adjustable threshold for stray field immunity
US12140646B2 (en) 2023-02-06 2024-11-12 Allegro Microsystems, Llc Magnetic sensing having hall plate routing to reduce inductive coupling
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Also Published As

Publication number Publication date
JP2014514552A (ja) 2014-06-19
KR20140025404A (ko) 2014-03-04
EP2678639A1 (en) 2014-01-01
EP2678639B1 (en) 2017-06-07
US20120249126A1 (en) 2012-10-04
KR101941461B1 (ko) 2019-01-23
WO2012134644A1 (en) 2012-10-04

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