CN103226865B - 一种基于磁电阻技术检测磁性图形表面磁场的磁头 - Google Patents
一种基于磁电阻技术检测磁性图形表面磁场的磁头 Download PDFInfo
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- CN103226865B CN103226865B CN201310131459.0A CN201310131459A CN103226865B CN 103226865 B CN103226865 B CN 103226865B CN 201310131459 A CN201310131459 A CN 201310131459A CN 103226865 B CN103226865 B CN 103226865B
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- Prior art keywords
- magnetic
- magneto
- resistor
- field
- magnetic field
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Classifications
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- 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
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/04—Testing magnetic properties of the materials thereof, e.g. by detection of magnetic imprint
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/20—Testing patterns thereon
Abstract
Description
Claims (6)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310131459.0A CN103226865B (zh) | 2013-04-16 | 2013-04-16 | 一种基于磁电阻技术检测磁性图形表面磁场的磁头 |
EP14785028.3A EP2988279B1 (en) | 2013-04-16 | 2014-03-17 | Magnetic head for detecting magnetic field on surface of magnetic pattern based on magneto-resistance technology |
KR1020157028478A KR101817846B1 (ko) | 2013-04-16 | 2014-03-17 | 자기 저항 기술을 기반으로 하는 자성 패턴의 표면 자기장 검출용 자기 헤드 |
US14/785,267 US10288700B2 (en) | 2013-04-16 | 2014-03-17 | Magnetic sensor for detecting a vertical component of a magnetic field on the surface of a magnetic pattern |
JP2016507980A JP6209674B2 (ja) | 2013-04-16 | 2014-03-17 | 磁気抵抗技術に基づいて磁気パターンの表面磁界を検出する磁気ヘッド |
PCT/CN2014/000280 WO2014169698A1 (zh) | 2013-04-16 | 2014-03-17 | 一种基于磁电阻技术检测磁性图形表面磁场的磁头 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310131459.0A CN103226865B (zh) | 2013-04-16 | 2013-04-16 | 一种基于磁电阻技术检测磁性图形表面磁场的磁头 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103226865A CN103226865A (zh) | 2013-07-31 |
CN103226865B true CN103226865B (zh) | 2016-05-25 |
Family
ID=48837298
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310131459.0A Active CN103226865B (zh) | 2013-04-16 | 2013-04-16 | 一种基于磁电阻技术检测磁性图形表面磁场的磁头 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10288700B2 (zh) |
EP (1) | EP2988279B1 (zh) |
JP (1) | JP6209674B2 (zh) |
KR (1) | KR101817846B1 (zh) |
CN (1) | CN103226865B (zh) |
WO (1) | WO2014169698A1 (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6034731B2 (ja) * | 2013-03-26 | 2016-11-30 | 浜松光電株式会社 | 磁性体検出装置 |
CN103226865B (zh) | 2013-04-16 | 2016-05-25 | 无锡乐尔科技有限公司 | 一种基于磁电阻技术检测磁性图形表面磁场的磁头 |
CN104346857A (zh) * | 2013-08-02 | 2015-02-11 | 北京嘉岳同乐极电子有限公司 | 磁成像方法及装置 |
CN104346856A (zh) * | 2013-08-02 | 2015-02-11 | 北京嘉岳同乐极电子有限公司 | 磁成像传感器 |
CN103544764B (zh) * | 2013-09-12 | 2016-11-16 | 无锡乐尔科技有限公司 | 一种用于识别磁性介质的传感器 |
CN103927811B (zh) * | 2014-03-25 | 2016-09-14 | 江苏多维科技有限公司 | 一种磁电阻磁性图像识别传感器 |
CN104504801B (zh) * | 2014-12-19 | 2017-04-19 | 深圳粤宝电子工业总公司 | 一种钞票软、硬磁性防伪特征识别系统 |
JP2016206070A (ja) * | 2015-04-24 | 2016-12-08 | 日本電産サンキョー株式会社 | 磁気センサ装置 |
CN105093135A (zh) * | 2015-06-25 | 2015-11-25 | 无锡乐尔科技有限公司 | 磁头以及磁性介质的评价方法 |
JP6326442B2 (ja) * | 2016-03-30 | 2018-05-16 | Kyb株式会社 | 磁気検出ユニット及びこれを備えるストローク検出装置 |
US20190376779A1 (en) * | 2016-12-22 | 2019-12-12 | Hamlin Electronics (Suzhou) Co. Ltd. | Magnetic position sensor |
KR101886839B1 (ko) * | 2016-12-30 | 2018-08-08 | 주식회사 히타치터미널솔루션즈코리아 | 두 종류의 자성을 이용한 위폐감별장치 |
US11169228B2 (en) * | 2019-08-27 | 2021-11-09 | Western Digital Technologies, Inc. | Magnetic sensor with serial resistor for asymmetric sensing field range |
CN112562171B (zh) * | 2020-12-09 | 2022-10-21 | 全南群英达电子有限公司 | 一种验钞机磁头屏蔽罩翻转装置 |
US11614501B2 (en) | 2021-03-11 | 2023-03-28 | Trustees Of Boston University | Single point gradiomeier |
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CN101275992A (zh) * | 2007-03-29 | 2008-10-01 | 佳能电子株式会社 | 磁性物质检测传感器和磁性物质检测装置 |
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CN102722932A (zh) * | 2012-06-19 | 2012-10-10 | 兰州大学 | 一种验钞机磁头 |
CN102968845A (zh) * | 2012-10-31 | 2013-03-13 | 江苏多维科技有限公司 | 一种被磁偏置的敏感方向平行于检测面的验钞磁头 |
CN103038659A (zh) * | 2010-07-30 | 2013-04-10 | 三菱电机株式会社 | 磁性体检测装置 |
CN203204700U (zh) * | 2013-04-16 | 2013-09-18 | 无锡乐尔科技有限公司 | 一种基于磁电阻技术检测磁性图形表面磁场的磁头 |
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2013
- 2013-04-16 CN CN201310131459.0A patent/CN103226865B/zh active Active
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2014
- 2014-03-17 JP JP2016507980A patent/JP6209674B2/ja active Active
- 2014-03-17 US US14/785,267 patent/US10288700B2/en active Active
- 2014-03-17 WO PCT/CN2014/000280 patent/WO2014169698A1/zh active Application Filing
- 2014-03-17 KR KR1020157028478A patent/KR101817846B1/ko active IP Right Grant
- 2014-03-17 EP EP14785028.3A patent/EP2988279B1/en active Active
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CN101275992A (zh) * | 2007-03-29 | 2008-10-01 | 佳能电子株式会社 | 磁性物质检测传感器和磁性物质检测装置 |
CN201725379U (zh) * | 2010-06-24 | 2011-01-26 | 深圳市怡化电脑有限公司 | Atm机巨磁电阻验钞磁头 |
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CN203204700U (zh) * | 2013-04-16 | 2013-09-18 | 无锡乐尔科技有限公司 | 一种基于磁电阻技术检测磁性图形表面磁场的磁头 |
Also Published As
Publication number | Publication date |
---|---|
JP6209674B2 (ja) | 2017-10-04 |
EP2988279A1 (en) | 2016-02-24 |
US20160084923A1 (en) | 2016-03-24 |
EP2988279B1 (en) | 2018-05-30 |
WO2014169698A1 (zh) | 2014-10-23 |
US10288700B2 (en) | 2019-05-14 |
KR101817846B1 (ko) | 2018-01-11 |
CN103226865A (zh) | 2013-07-31 |
KR20150128943A (ko) | 2015-11-18 |
EP2988279A4 (en) | 2017-02-22 |
JP2016518599A (ja) | 2016-06-23 |
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Owner name: WUXI LEER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BAI JIANMIN Effective date: 20130712 |
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TA01 | Transfer of patent application right |
Effective date of registration: 20130712 Address after: 204 room 214000, Science Park, 7 Changjiang Road, Wuxi New District, Jiangsu, China Applicant after: Wuxi Leer Technology Co., Ltd. Address before: 204 room 214000, Science Park, 7 Changjiang Road, Wuxi New District, Jiangsu, China Applicant before: Bai Jianmin |
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