IT1402178B1 - Circuito di lettura a compensazione automatica dell'offset per un sensore di campo magnetico e relativo metodo di lettura a compensazione automatica dell'offset - Google Patents

Circuito di lettura a compensazione automatica dell'offset per un sensore di campo magnetico e relativo metodo di lettura a compensazione automatica dell'offset

Info

Publication number
IT1402178B1
IT1402178B1 ITTO2010A000740A ITTO20100740A IT1402178B1 IT 1402178 B1 IT1402178 B1 IT 1402178B1 IT TO2010A000740 A ITTO2010A000740 A IT TO2010A000740A IT TO20100740 A ITTO20100740 A IT TO20100740A IT 1402178 B1 IT1402178 B1 IT 1402178B1
Authority
IT
Italy
Prior art keywords
offset
automatic compensation
magnetic field
field sensor
reading
Prior art date
Application number
ITTO2010A000740A
Other languages
English (en)
Inventor
Carmela Marchese
Fabio Bottinelli
Benedetto Vigna
Original Assignee
St Microelectronics Srl
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 by St Microelectronics Srl filed Critical St Microelectronics Srl
Priority to ITTO2010A000740A priority Critical patent/IT1402178B1/it
Priority to CN2011203512681U priority patent/CN202748469U/zh
Priority to CN201110274746.8A priority patent/CN102401884B/zh
Priority to US13/403,897 priority patent/US10001530B2/en
Publication of ITTO20100740A1 publication Critical patent/ITTO20100740A1/it
Application granted granted Critical
Publication of IT1402178B1 publication Critical patent/IT1402178B1/it

Links

Classifications

    • 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
    • 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
    • G01R33/0029—Treating the measured signals, e.g. removing offset or noise

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
ITTO2010A000740A 2010-09-09 2010-09-09 Circuito di lettura a compensazione automatica dell'offset per un sensore di campo magnetico e relativo metodo di lettura a compensazione automatica dell'offset IT1402178B1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ITTO2010A000740A IT1402178B1 (it) 2010-09-09 2010-09-09 Circuito di lettura a compensazione automatica dell'offset per un sensore di campo magnetico e relativo metodo di lettura a compensazione automatica dell'offset
CN2011203512681U CN202748469U (zh) 2010-09-09 2011-09-09 用于读取磁场传感器的读取电路和包括该读取电路的电子器件
CN201110274746.8A CN102401884B (zh) 2010-09-09 2011-09-09 用于磁场传感器的读取电路以及相关读取方法
US13/403,897 US10001530B2 (en) 2010-09-09 2012-02-23 Reading circuit with automatic offset compensation for a magnetic-field sensor, and related reading method with automatic offset compensation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO2010A000740A IT1402178B1 (it) 2010-09-09 2010-09-09 Circuito di lettura a compensazione automatica dell'offset per un sensore di campo magnetico e relativo metodo di lettura a compensazione automatica dell'offset

Publications (2)

Publication Number Publication Date
ITTO20100740A1 ITTO20100740A1 (it) 2012-03-10
IT1402178B1 true IT1402178B1 (it) 2013-08-28

Family

ID=43739133

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO2010A000740A IT1402178B1 (it) 2010-09-09 2010-09-09 Circuito di lettura a compensazione automatica dell'offset per un sensore di campo magnetico e relativo metodo di lettura a compensazione automatica dell'offset

Country Status (3)

Country Link
US (1) US10001530B2 (it)
CN (2) CN202748469U (it)
IT (1) IT1402178B1 (it)

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IT1402178B1 (it) * 2010-09-09 2013-08-28 St Microelectronics Srl Circuito di lettura a compensazione automatica dell'offset per un sensore di campo magnetico e relativo metodo di lettura a compensazione automatica dell'offset
US10473731B2 (en) 2010-11-26 2019-11-12 Stmicroelectronics S.R.L. Magnetic sensor reading device, system and method
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US9389281B2 (en) * 2013-03-21 2016-07-12 Vale S.A. Magnetic compensation circuit and method for compensating the output of a magnetic sensor, responding to changes in a first magnetic field
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WO2018145003A1 (en) * 2017-02-06 2018-08-09 Boston Scientific Scimed Inc. Electromagnetic navigation system with magneto-resistive sensors and application-specific integrated circuits
CN107990992B (zh) * 2017-11-27 2019-10-11 电子科技大学 高精度温度传感器及精度调节方法
CN108594920B (zh) * 2018-05-17 2020-05-22 美新半导体（无锡）有限公司 一种磁传感器及其中的设置/重置电路
CN108880547A (zh) * 2018-08-21 2018-11-23 中国船舶重工集团公司第七0四研究所 基于电流注入的电桥电路零位偏置在线校正方法
CN111610473B (zh) * 2020-05-29 2022-11-18 江苏多维科技有限公司 一种磁电阻弛张振荡器式磁力计
US11652492B2 (en) 2020-12-30 2023-05-16 Analog Devices International Unlimited Company Signal chain with embedded power management
US11942960B2 (en) 2022-01-31 2024-03-26 Analog Devices, Inc. ADC with precision reference power saving mode
CN114732922B (zh) * 2022-02-18 2024-05-03 深圳瑞格泰科医疗科技有限公司 一种可检测灯管磁场偏移的无磁紫外线消毒系统
CN116859302B (zh) * 2023-09-05 2023-11-03 中国计量科学研究院 一种高精度磁矩测量系统及方法
CN117270061B (zh) * 2023-11-17 2024-01-30 江苏多维科技有限公司 一种铁磁材料检测方法及检测设备

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Also Published As

Publication number Publication date
CN102401884A (zh) 2012-04-04
CN202748469U (zh) 2013-02-20
CN102401884B (zh) 2016-08-10
US20120166122A1 (en) 2012-06-28
ITTO20100740A1 (it) 2012-03-10
US10001530B2 (en) 2018-06-19

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