CN1513119A - 磁性检测装置 - Google Patents
磁性检测装置 Download PDFInfo
- Publication number
- CN1513119A CN1513119A CNA02810773XA CN02810773A CN1513119A CN 1513119 A CN1513119 A CN 1513119A CN A02810773X A CNA02810773X A CN A02810773XA CN 02810773 A CN02810773 A CN 02810773A CN 1513119 A CN1513119 A CN 1513119A
- Authority
- CN
- China
- Prior art keywords
- magnetoresistive element
- detection device
- coil
- magnetic detection
- magnetic
- 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.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Measuring Magnetic Variables (AREA)
- Hall/Mr Elements (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001171078A JP2002365350A (ja) | 2001-06-06 | 2001-06-06 | 磁気検出装置 |
JP171078/2001 | 2001-06-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1513119A true CN1513119A (zh) | 2004-07-14 |
CN100495044C CN100495044C (zh) | 2009-06-03 |
Family
ID=19012905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB02810773XA Expired - Fee Related CN100495044C (zh) | 2001-06-06 | 2002-06-04 | 磁性检测装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6879153B2 (zh) |
EP (1) | EP1403648B1 (zh) |
JP (1) | JP2002365350A (zh) |
KR (1) | KR100750439B1 (zh) |
CN (1) | CN100495044C (zh) |
DE (1) | DE60239334D1 (zh) |
TW (1) | TWI266059B (zh) |
WO (1) | WO2002101396A1 (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100443915C (zh) * | 2004-09-16 | 2008-12-17 | 富士施乐株式会社 | 磁性体检测装置、图像读取装置及图像读取装置的平板盖 |
CN102183736A (zh) * | 2011-02-28 | 2011-09-14 | 上海奥波信息科技有限公司 | 一种弱磁场测量装置及方法 |
CN102707246A (zh) * | 2011-03-28 | 2012-10-03 | 新科实业有限公司 | 测量隧道磁电阻传感器中纵向偏磁场的方法 |
CN103018522A (zh) * | 2011-09-19 | 2013-04-03 | 株式会社电装 | 电流传感器及其附着结构 |
US8455962B2 (en) | 2008-06-10 | 2013-06-04 | Aichi Steel Corporation | Magneto-impedance sensor element |
CN104321661A (zh) * | 2012-03-20 | 2015-01-28 | 阿莱戈微系统有限责任公司 | 带有一体的铁磁性材料的磁场传感器集成电路 |
CN105606877A (zh) * | 2016-02-22 | 2016-05-25 | 宁波南车时代传感技术有限公司 | 一种闭环tmr电流传感器 |
CN107076805A (zh) * | 2014-09-10 | 2017-08-18 | 爱知制钢株式会社 | 磁场测量装置 |
CN109791435A (zh) * | 2016-09-26 | 2019-05-21 | 奇跃公司 | 虚拟现实或增强现实显示系统中磁传感器和光学传感器的校准 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI221929B (en) | 2001-10-09 | 2004-10-11 | Fuji Electric Co Ltd | Overload current protection apparatus |
US7304475B2 (en) * | 2003-03-25 | 2007-12-04 | Honeywell Federal Manufacturing & Technologies | Mechanism for and method of biasing magnetic sensor |
JP4845335B2 (ja) * | 2003-05-21 | 2011-12-28 | キヤノン株式会社 | データストリーム送信装置及びデータストリーム受信装置 |
US20100188078A1 (en) * | 2009-01-28 | 2010-07-29 | Andrea Foletto | Magnetic sensor with concentrator for increased sensing range |
US8629539B2 (en) | 2012-01-16 | 2014-01-14 | Allegro Microsystems, Llc | Methods and apparatus for magnetic sensor having non-conductive die paddle |
US9494660B2 (en) | 2012-03-20 | 2016-11-15 | Allegro Microsystems, Llc | Integrated circuit package having a split lead frame |
US10234513B2 (en) | 2012-03-20 | 2019-03-19 | Allegro Microsystems, Llc | Magnetic field sensor integrated circuit with integral ferromagnetic material |
US9666788B2 (en) | 2012-03-20 | 2017-05-30 | Allegro Microsystems, Llc | Integrated circuit package having a split lead frame |
US9817078B2 (en) | 2012-05-10 | 2017-11-14 | Allegro Microsystems Llc | Methods and apparatus for magnetic sensor having integrated coil |
US10725100B2 (en) * | 2013-03-15 | 2020-07-28 | Allegro Microsystems, Llc | Methods and apparatus for magnetic sensor having an externally accessible coil |
US9411025B2 (en) | 2013-04-26 | 2016-08-09 | Allegro Microsystems, Llc | Integrated circuit package having a split lead frame and a magnet |
JP6370768B2 (ja) * | 2015-11-26 | 2018-08-08 | 矢崎総業株式会社 | 磁界検出センサ |
CN107290694B (zh) * | 2017-07-18 | 2020-12-18 | 上海交通大学 | 抑制方向串扰的电感型磁传感器及其制备方法 |
US10921391B2 (en) | 2018-08-06 | 2021-02-16 | Allegro Microsystems, Llc | Magnetic field sensor with spacer |
US10991644B2 (en) | 2019-08-22 | 2021-04-27 | Allegro Microsystems, Llc | Integrated circuit package having a low profile |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3266736B2 (ja) * | 1994-05-17 | 2002-03-18 | 三菱電機株式会社 | 磁気センサ |
EP0892276A3 (en) * | 1997-07-14 | 2001-05-30 | Alps Electric Co., Ltd. | Magnetic sensor |
EP0930508A1 (en) * | 1997-07-29 | 1999-07-21 | Unitika Ltd. | Magnetic impedance effect device |
JP2000081471A (ja) * | 1998-06-30 | 2000-03-21 | Aichi Steel Works Ltd | 熱衝撃および機械振動に優れた磁気インピーダンス素子及び磁気インピーダンスセンサ |
JP2000193729A (ja) * | 1998-12-24 | 2000-07-14 | Alps Electric Co Ltd | 磁気インピーダンス効果素子の駆動回路 |
JP2000258464A (ja) | 1999-03-09 | 2000-09-22 | Mitsubishi Materials Corp | 電流センサ |
JP2000284028A (ja) * | 1999-03-30 | 2000-10-13 | Kaneo Mori | 薄膜磁性体mi素子 |
JP3764834B2 (ja) * | 1999-10-22 | 2006-04-12 | キヤノン電子株式会社 | 電流センサー及び電流検出装置 |
JP2001296127A (ja) | 2000-04-13 | 2001-10-26 | Aichi Steel Works Ltd | 磁場検出装置 |
-
2001
- 2001-06-06 JP JP2001171078A patent/JP2002365350A/ja active Pending
-
2002
- 2002-06-04 KR KR1020037001739A patent/KR100750439B1/ko not_active IP Right Cessation
- 2002-06-04 TW TW091112008A patent/TWI266059B/zh not_active IP Right Cessation
- 2002-06-04 CN CNB02810773XA patent/CN100495044C/zh not_active Expired - Fee Related
- 2002-06-04 DE DE60239334T patent/DE60239334D1/de not_active Expired - Lifetime
- 2002-06-04 EP EP02728231A patent/EP1403648B1/en not_active Expired - Lifetime
- 2002-06-04 WO PCT/JP2002/005464 patent/WO2002101396A1/ja active Application Filing
- 2002-06-04 US US10/478,975 patent/US6879153B2/en not_active Expired - Fee Related
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100443915C (zh) * | 2004-09-16 | 2008-12-17 | 富士施乐株式会社 | 磁性体检测装置、图像读取装置及图像读取装置的平板盖 |
US8455962B2 (en) | 2008-06-10 | 2013-06-04 | Aichi Steel Corporation | Magneto-impedance sensor element |
CN102057290B (zh) * | 2008-06-10 | 2013-09-25 | 爱知制钢株式会社 | 磁阻抗传感器元件 |
CN102183736A (zh) * | 2011-02-28 | 2011-09-14 | 上海奥波信息科技有限公司 | 一种弱磁场测量装置及方法 |
CN102183736B (zh) * | 2011-02-28 | 2013-10-02 | 上海奥波信息科技有限公司 | 一种弱磁场测量装置及方法 |
CN102707246A (zh) * | 2011-03-28 | 2012-10-03 | 新科实业有限公司 | 测量隧道磁电阻传感器中纵向偏磁场的方法 |
CN102707246B (zh) * | 2011-03-28 | 2016-01-20 | 新科实业有限公司 | 测量隧道磁电阻传感器中纵向偏磁场的方法 |
CN103018522B (zh) * | 2011-09-19 | 2015-07-08 | 株式会社电装 | 电流传感器及其附着结构 |
CN103018522A (zh) * | 2011-09-19 | 2013-04-03 | 株式会社电装 | 电流传感器及其附着结构 |
CN104321661A (zh) * | 2012-03-20 | 2015-01-28 | 阿莱戈微系统有限责任公司 | 带有一体的铁磁性材料的磁场传感器集成电路 |
CN107076805A (zh) * | 2014-09-10 | 2017-08-18 | 爱知制钢株式会社 | 磁场测量装置 |
CN107076805B (zh) * | 2014-09-10 | 2020-06-26 | 爱知制钢株式会社 | 磁场测量装置 |
CN105606877A (zh) * | 2016-02-22 | 2016-05-25 | 宁波南车时代传感技术有限公司 | 一种闭环tmr电流传感器 |
CN105606877B (zh) * | 2016-02-22 | 2019-01-04 | 宁波中车时代传感技术有限公司 | 一种闭环tmr电流传感器 |
CN109791435A (zh) * | 2016-09-26 | 2019-05-21 | 奇跃公司 | 虚拟现实或增强现实显示系统中磁传感器和光学传感器的校准 |
CN109791435B (zh) * | 2016-09-26 | 2022-04-12 | 奇跃公司 | 虚拟现实或增强现实显示系统中磁传感器和光学传感器的校准 |
US11531072B2 (en) | 2016-09-26 | 2022-12-20 | Magic Leap, Inc. | Calibration of magnetic and optical sensors in a virtual reality or augmented reality display system |
Also Published As
Publication number | Publication date |
---|---|
CN100495044C (zh) | 2009-06-03 |
TWI266059B (en) | 2006-11-11 |
EP1403648A1 (en) | 2004-03-31 |
EP1403648B1 (en) | 2011-03-02 |
KR100750439B1 (ko) | 2007-08-22 |
WO2002101396A1 (fr) | 2002-12-19 |
KR20030031142A (ko) | 2003-04-18 |
DE60239334D1 (de) | 2011-04-14 |
JP2002365350A (ja) | 2002-12-18 |
US20040207398A1 (en) | 2004-10-21 |
EP1403648A4 (en) | 2005-01-26 |
US6879153B2 (en) | 2005-04-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1513119A (zh) | 磁性检测装置 | |
US4970463A (en) | Temperature stable proximity sensor with sensing of flux emanating from the lateral surface of a magnet | |
CN1491360A (zh) | 电流传感器及过载电流保护设备 | |
US7642773B2 (en) | Magnetic sensor, production method thereof, rotation detection device, and position detection device | |
CN1160706C (zh) | 电子磁致电阻传感器偏磁电路 | |
CN1940586A (zh) | 磁场检测装置及其制造方法 | |
CN101055298A (zh) | 引入温度探测功能的电流传感器 | |
CN101065721A (zh) | 用于输入设备的磁传感器 | |
CN1394284A (zh) | 薄膜磁传感器 | |
JP2008151743A (ja) | 電流センサ及びその成形方法 | |
JP5439595B2 (ja) | 磁界角計測装置およびこれを用いた回転角計測装置 | |
CN100533052C (zh) | 位置检测装置 | |
JPH1014192A (ja) | モータ | |
JP2013134076A (ja) | 電流検出装置 | |
JP3367094B2 (ja) | 回転検出装置 | |
US6208176B1 (en) | Adaptive driver circuit for semiconductor magnetoresistors | |
JP3428205B2 (ja) | ホール素子駆動回路 | |
JP2009271000A (ja) | 電流センサ及び電流センサの製造方法 | |
JP4773066B2 (ja) | 歯車センサ | |
JP2005221342A (ja) | コイル式電流センサ | |
JP2004294362A (ja) | 回転検出装置 | |
JP2001091296A (ja) | 温度補償機能付センサ | |
JPH08189932A (ja) | ピックアップセンサおよびピックアップセンサを適用した車速検出装置 | |
JP2006038770A (ja) | 回転検出装置 | |
Lopez-Martin et al. | Contactless potentiometers for automotive applications |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: FUJI ELECTRIC MACHINE SYSTEM CO., LTD. Free format text: FORMER OWNER: FUJI ELECTRIC HOLDINGS Effective date: 20090515 Owner name: FUJI ELECTRIC MACHINE SYSTEM CO., LTD. Free format text: FORMER OWNER: FUJI ELECTRIC ASSETS MANAGEMENT CO., LTD. Effective date: 20090515 Owner name: FUJI ELECTRIC ASSETS MANAGEMENT CO., LTD. Free format text: FORMER OWNER: FUJI ELECTRIC MACHINE SYSTEM CO., LTD. Effective date: 20090515 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: FUJI ELECTRIC HOLDINGS Free format text: FORMER NAME: FUJITSU ELECTRIC EQUIPMENT CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: Kanagawa, Japan Patentee after: Fuji Electric Holdings Co.,Ltd. Address before: Kanagawa, Japan Patentee before: FUJI ELECTRIC Co.,Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20090515 Address after: Tokyo, Japan Patentee after: FUJI ELECTRIC FA COMPONENTS & SYSTEMS Co.,Ltd. Address before: Kanagawa, Japan Patentee before: Fuji Electric Holdings Co.,Ltd. Effective date of registration: 20090515 Address after: Tokyo, Japan Patentee after: Fuji electric Asset Management Co. Address before: Tokyo, Japan Patentee before: FUJI ELECTRIC FA COMPONENTS & SYSTEMS Co.,Ltd. Effective date of registration: 20090515 Address after: Tokyo, Japan Patentee after: FUJI ELECTRIC FA COMPONENTS & SYSTEMS Co.,Ltd. Address before: Tokyo, Japan Patentee before: Fuji electric Asset Management Co. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20120604 |