JPWO2021149726A1 - - Google Patents

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Publication number
JPWO2021149726A1
JPWO2021149726A1 JP2021572767A JP2021572767A JPWO2021149726A1 JP WO2021149726 A1 JPWO2021149726 A1 JP WO2021149726A1 JP 2021572767 A JP2021572767 A JP 2021572767A JP 2021572767 A JP2021572767 A JP 2021572767A JP WO2021149726 A1 JPWO2021149726 A1 JP WO2021149726A1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2021572767A
Other versions
JP7332725B2 (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPWO2021149726A1 publication Critical patent/JPWO2021149726A1/ja
Application granted granted Critical
Publication of JP7332725B2 publication Critical patent/JP7332725B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
    • G01R15/205—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices using magneto-resistance devices, e.g. field plates
    • 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
    • G01R33/09—Magnetoresistive devices
    • G01R33/091—Constructional adaptation of the sensor to specific applications
    • 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
    • G01R33/0076—Protection, e.g. with housings against stray 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
    • G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
    • G01R33/09—Magnetoresistive devices
    • G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
    • 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
    • G01R33/09—Magnetoresistive devices
    • G01R33/098—Magnetoresistive devices comprising tunnel junctions, e.g. tunnel magnetoresistance sensors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measuring Magnetic Variables (AREA)
JP2021572767A 2020-01-23 2021-01-20 磁気抵抗効果素子を用いた磁気センサおよび電流センサ Active JP7332725B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020009030 2020-01-23
JP2020009030 2020-01-23
PCT/JP2021/001866 WO2021149726A1 (ja) 2020-01-23 2021-01-20 磁気抵抗効果素子を用いた磁気センサおよび電流センサ

Publications (2)

Publication Number Publication Date
JPWO2021149726A1 true JPWO2021149726A1 (ja) 2021-07-29
JP7332725B2 JP7332725B2 (ja) 2023-08-23

Family

ID=76991769

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021572767A Active JP7332725B2 (ja) 2020-01-23 2021-01-20 磁気抵抗効果素子を用いた磁気センサおよび電流センサ

Country Status (5)

Country Link
US (1) US20220349962A1 (ja)
JP (1) JP7332725B2 (ja)
CN (1) CN115004041A (ja)
DE (1) DE112021000707T5 (ja)
WO (1) WO2021149726A1 (ja)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013053903A (ja) * 2011-09-02 2013-03-21 Alps Green Devices Co Ltd 電流センサ
WO2017094336A1 (ja) * 2015-12-03 2017-06-08 アルプス電気株式会社 磁界検知装置
WO2017199519A1 (ja) * 2016-05-17 2017-11-23 アルプス電気株式会社 平衡式磁気検知装置
JP2019002742A (ja) * 2017-06-13 2019-01-10 Tdk株式会社 電流センサ
JP2019138807A (ja) * 2018-02-13 2019-08-22 アルプスアルパイン株式会社 磁気センサおよび電流センサ
JP2019138865A (ja) * 2018-02-15 2019-08-22 アルプスアルパイン株式会社 磁気センサおよび電流センサ

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11805631B2 (en) * 2009-10-30 2023-10-31 Amosense Co., Ltd. Magnetic field shielding sheet for a wireless charger, method for manufacturing same, and receiving apparatus for a wireless charger using the sheet
EP2423693B1 (en) * 2010-08-24 2020-02-26 LEM International SA Toroidal current transducer
JP6945188B2 (ja) * 2016-11-30 2021-10-06 パナソニックＩｐマネジメント株式会社 無線給電ユニット、送電モジュール、受電モジュールおよび無線電力伝送システム

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013053903A (ja) * 2011-09-02 2013-03-21 Alps Green Devices Co Ltd 電流センサ
WO2017094336A1 (ja) * 2015-12-03 2017-06-08 アルプス電気株式会社 磁界検知装置
WO2017199519A1 (ja) * 2016-05-17 2017-11-23 アルプス電気株式会社 平衡式磁気検知装置
JP2019002742A (ja) * 2017-06-13 2019-01-10 Tdk株式会社 電流センサ
JP2019138807A (ja) * 2018-02-13 2019-08-22 アルプスアルパイン株式会社 磁気センサおよび電流センサ
JP2019138865A (ja) * 2018-02-15 2019-08-22 アルプスアルパイン株式会社 磁気センサおよび電流センサ

Also Published As

Publication number Publication date
CN115004041A (zh) 2022-09-02
DE112021000707T5 (de) 2022-11-03
US20220349962A1 (en) 2022-11-03
WO2021149726A1 (ja) 2021-07-29
JP7332725B2 (ja) 2023-08-23

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