JP2003519780A - 磁気抵抗信号絶縁装置 - Google Patents
磁気抵抗信号絶縁装置Info
- Publication number
- JP2003519780A JP2003519780A JP2001550599A JP2001550599A JP2003519780A JP 2003519780 A JP2003519780 A JP 2003519780A JP 2001550599 A JP2001550599 A JP 2001550599A JP 2001550599 A JP2001550599 A JP 2001550599A JP 2003519780 A JP2003519780 A JP 2003519780A
- Authority
- JP
- Japan
- Prior art keywords
- input
- magnetic field
- output
- signal
- magnetoresistive
- Prior art date
- 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.)
- Pending
Links
- 238000009413 insulation Methods 0.000 title claims description 7
- 230000005284 excitation Effects 0.000 claims abstract description 54
- 238000002955 isolation Methods 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 30
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 19
- 238000004804 winding Methods 0.000 description 7
- 230000032683 aging Effects 0.000 description 3
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Measuring Magnetic Variables (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/476,620 US6376933B1 (en) | 1999-12-31 | 1999-12-31 | Magneto-resistive signal isolator |
| US09/476,620 | 1999-12-31 | ||
| PCT/US2000/034446 WO2001050308A2 (en) | 1999-12-31 | 2000-12-19 | Magneto-resistive signal isolator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003519780A true JP2003519780A (ja) | 2003-06-24 |
| JP2003519780A5 JP2003519780A5 (enExample) | 2007-10-11 |
Family
ID=23892589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001550599A Pending JP2003519780A (ja) | 1999-12-31 | 2000-12-19 | 磁気抵抗信号絶縁装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6376933B1 (enExample) |
| EP (1) | EP1242831A2 (enExample) |
| JP (1) | JP2003519780A (enExample) |
| TW (1) | TW535000B (enExample) |
| WO (1) | WO2001050308A2 (enExample) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009180608A (ja) * | 2008-01-30 | 2009-08-13 | U R D:Kk | Icチップ形電流センサ |
| WO2010032824A1 (ja) * | 2008-09-22 | 2010-03-25 | アルプス電気株式会社 | 磁気結合型アイソレータ |
| JP2010130325A (ja) * | 2008-11-27 | 2010-06-10 | Tdk Corp | 信号伝送装置 |
| JP2010232871A (ja) * | 2009-03-26 | 2010-10-14 | Tdk Corp | 信号伝達装置 |
| JP2016065829A (ja) * | 2014-09-25 | 2016-04-28 | アルプス・グリーンデバイス株式会社 | 磁気センサおよびその磁気センサを備えた電流センサ |
| JP2016531481A (ja) * | 2013-07-24 | 2016-10-06 | 江▲蘇▼多▲維▼科技有限公司Multidimension Technology Co., Ltd. | 磁気抵抗ミキサ |
| 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 |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6826390B1 (en) * | 1999-07-14 | 2004-11-30 | Fujitsu Limited | Receiver, transceiver circuit, signal transmission method, and signal transmission system |
| US7046117B2 (en) | 2002-01-15 | 2006-05-16 | Honeywell International Inc. | Integrated magnetic field strap for signal isolator |
| US6750751B2 (en) * | 2002-08-01 | 2004-06-15 | Honeywell International, Inc. | Integrated magnetic signal isolator with feedback |
| US20040060164A1 (en) * | 2002-09-26 | 2004-04-01 | Honeywell International Inc. | High-performance substrate for magnetic isolator |
| US20040189292A1 (en) * | 2003-03-25 | 2004-09-30 | Kautz David R. | Mechanism for and method of biasing magnetic sensor |
| JP2005051021A (ja) * | 2003-07-28 | 2005-02-24 | Sharp Corp | 磁気結合素子、及びそれを用いた電子機器 |
| US7126330B2 (en) * | 2004-06-03 | 2006-10-24 | Honeywell International, Inc. | Integrated three-dimensional magnetic sensing device and method to fabricate an integrated three-dimensional magnetic sensing device |
| FR2874703B1 (fr) * | 2004-08-27 | 2007-02-09 | Centre Nat Rech Scient Cnrse | Capteur de champ magnetique et module elementaire incorporant ce capteur |
| US20080036450A1 (en) * | 2004-11-30 | 2008-02-14 | Koninklijke Philips Electronics, N.V. | Method for Calibrating a Transfer Function of a Magnetic Sensor |
| US7839605B2 (en) * | 2005-11-13 | 2010-11-23 | Hitachi Global Storage Technologies Netherlands B.V. | Electrical signal-processing device integrating a flux sensor with a flux generator in a magnetic circuit |
| US7808062B2 (en) | 2005-12-16 | 2010-10-05 | Nve Corporation | Signal isolator linear receiver |
| CN101438179A (zh) * | 2006-05-09 | 2009-05-20 | 皇家飞利浦电子股份有限公司 | 感测磁性粒子的磁传感器设备和方法 |
| JP4194110B2 (ja) * | 2007-03-12 | 2008-12-10 | オムロン株式会社 | 磁気カプラ素子および磁気結合型アイソレータ |
| US8269491B2 (en) * | 2008-02-27 | 2012-09-18 | Allegro Microsystems, Inc. | DC offset removal for a magnetic field sensor |
| JP2010258979A (ja) * | 2009-04-28 | 2010-11-11 | Alps Green Devices Co Ltd | 磁気結合型アイソレータ |
| US8248063B2 (en) * | 2009-08-17 | 2012-08-21 | Headway Technologies, Inc. | Open loop magneto-resistive magnetic field sensor |
| KR101654662B1 (ko) * | 2012-08-31 | 2016-09-07 | 가부시끼가이샤 히다치 세이사꾸쇼 | 자기 저항 센서, 그레디오미터 |
| JP6223674B2 (ja) * | 2012-11-01 | 2017-11-01 | 矢崎総業株式会社 | 磁気検出装置 |
| EP2955492B1 (en) * | 2014-06-13 | 2017-05-10 | Nxp B.V. | Sensor system with a full bridge configuration of four resistive sensing elements |
| US9995600B2 (en) * | 2015-09-01 | 2018-06-12 | General Electric Company | Multi-axis magneto-resistance sensor package |
| CN105182163B (zh) * | 2015-09-23 | 2018-05-15 | 红相股份有限公司 | 基于云技术的特高压直流避雷器泄漏电流的在线侦测系统 |
| TWI595518B (zh) * | 2015-11-04 | 2017-08-11 | 財團法人工業技術研究院 | 電隔離器構裝結構及電隔離器的製造方法 |
| CN107037381A (zh) | 2015-12-29 | 2017-08-11 | 爱盛科技股份有限公司 | 磁场感测装置及其感测方法 |
| TWI627427B (zh) * | 2015-12-29 | 2018-06-21 | 愛盛科技股份有限公司 | 磁場感測裝置及其感測方法 |
| TWI573315B (zh) | 2016-01-19 | 2017-03-01 | 財團法人工業技術研究院 | 電隔離器電路 |
| EP3578999B1 (en) * | 2017-02-02 | 2022-11-30 | Alps Alpine Co., Ltd. | Balance-type electric current sensor |
| JP6664568B1 (ja) | 2018-08-22 | 2020-03-13 | 旭化成エレクトロニクス株式会社 | 磁場計測装置、磁場計測方法、磁場計測プログラム |
| WO2020138170A1 (ja) | 2018-12-26 | 2020-07-02 | 旭化成エレクトロニクス株式会社 | 磁場計測装置 |
| CN111624532B (zh) * | 2020-06-10 | 2023-03-17 | 上海矽睿科技股份有限公司 | 一种磁阻感测器系统 |
| CN115219962A (zh) * | 2022-06-29 | 2022-10-21 | 珠海多创科技有限公司 | 一种功率测量装置、测量设备及功率测量方法 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4596950A (en) * | 1980-12-24 | 1986-06-24 | Lgz Landis Gyr Zug Ag | Compensated transducer |
| EP0544479A2 (en) * | 1991-11-26 | 1993-06-02 | Honeywell Inc. | Magnetic field sensing device |
| US5351005A (en) * | 1992-12-31 | 1994-09-27 | Honeywell Inc. | Resetting closed-loop magnetoresistive magnetic sensor |
| JPH0792199A (ja) * | 1993-07-28 | 1995-04-07 | Matsushita Electric Ind Co Ltd | 電流センサ |
| JPH085672A (ja) * | 1994-03-31 | 1996-01-12 | At & T Corp | 電圧比例引き写し装置 |
| WO1998007165A2 (en) * | 1996-08-16 | 1998-02-19 | Nonvolatile Electronics, Incorporated | Magnetic current sensor |
| WO1999021332A1 (en) * | 1997-10-23 | 1999-04-29 | Analog Devices, Inc. | Magnetically coupled signal isolator using a faraday shielded mr or gmr receiving element |
| WO1999045405A1 (en) * | 1998-03-04 | 1999-09-10 | Nonvolatile Electronics, Incorporated | Magnetic digital signal coupler |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4132864A (en) | 1977-04-28 | 1979-01-02 | International Business Machines Corporation | Digital measurement of the DC value in an AC signal adapted to telephone off-hook detection |
| US4801883A (en) | 1986-06-02 | 1989-01-31 | The Regents Of The University Of California | Integrated-circuit one-way isolation coupler incorporating one or several carrier-domain magnetometers |
| US5270645A (en) | 1991-08-30 | 1993-12-14 | Nartron Corporation | Linear-output, temperature-stable rotational sensor including magnetic field responsive device disposed within a cavity of a flux concentrator |
| US5946394A (en) | 1997-06-12 | 1999-08-31 | C. P. Clare Corporation | Isolation amplifier with hook switch control |
-
1999
- 1999-12-31 US US09/476,620 patent/US6376933B1/en not_active Expired - Lifetime
-
2000
- 2000-12-19 EP EP00989311A patent/EP1242831A2/en not_active Ceased
- 2000-12-19 JP JP2001550599A patent/JP2003519780A/ja active Pending
- 2000-12-19 WO PCT/US2000/034446 patent/WO2001050308A2/en not_active Ceased
-
2001
- 2001-02-15 TW TW089128433A patent/TW535000B/zh not_active IP Right Cessation
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4596950A (en) * | 1980-12-24 | 1986-06-24 | Lgz Landis Gyr Zug Ag | Compensated transducer |
| EP0544479A2 (en) * | 1991-11-26 | 1993-06-02 | Honeywell Inc. | Magnetic field sensing device |
| US5351005A (en) * | 1992-12-31 | 1994-09-27 | Honeywell Inc. | Resetting closed-loop magnetoresistive magnetic sensor |
| JPH0792199A (ja) * | 1993-07-28 | 1995-04-07 | Matsushita Electric Ind Co Ltd | 電流センサ |
| JPH085672A (ja) * | 1994-03-31 | 1996-01-12 | At & T Corp | 電圧比例引き写し装置 |
| WO1998007165A2 (en) * | 1996-08-16 | 1998-02-19 | Nonvolatile Electronics, Incorporated | Magnetic current sensor |
| JP2000516714A (ja) * | 1996-08-16 | 2000-12-12 | ノンボラタイル エレクトロニクス,インコーポレイテッド | 磁流センサ |
| WO1999021332A1 (en) * | 1997-10-23 | 1999-04-29 | Analog Devices, Inc. | Magnetically coupled signal isolator using a faraday shielded mr or gmr receiving element |
| WO1999045405A1 (en) * | 1998-03-04 | 1999-09-10 | Nonvolatile Electronics, Incorporated | Magnetic digital signal coupler |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009180608A (ja) * | 2008-01-30 | 2009-08-13 | U R D:Kk | Icチップ形電流センサ |
| WO2010032824A1 (ja) * | 2008-09-22 | 2010-03-25 | アルプス電気株式会社 | 磁気結合型アイソレータ |
| JP2010130325A (ja) * | 2008-11-27 | 2010-06-10 | Tdk Corp | 信号伝送装置 |
| JP2010232871A (ja) * | 2009-03-26 | 2010-10-14 | Tdk Corp | 信号伝達装置 |
| JP2016531481A (ja) * | 2013-07-24 | 2016-10-06 | 江▲蘇▼多▲維▼科技有限公司Multidimension Technology Co., Ltd. | 磁気抵抗ミキサ |
| JP2016065829A (ja) * | 2014-09-25 | 2016-04-28 | アルプス・グリーンデバイス株式会社 | 磁気センサおよびその磁気センサを備えた電流センサ |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2001050308A3 (en) | 2001-12-13 |
| WO2001050308A2 (en) | 2001-07-12 |
| TW535000B (en) | 2003-06-01 |
| US6376933B1 (en) | 2002-04-23 |
| EP1242831A2 (en) | 2002-09-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070814 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070814 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100528 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20101101 |