WO2022018442A1 - Capteur de reconnaissance de motif magnétique - Google Patents

Capteur de reconnaissance de motif magnétique Download PDF

Info

Publication number
WO2022018442A1
WO2022018442A1 PCT/GB2021/051888 GB2021051888W WO2022018442A1 WO 2022018442 A1 WO2022018442 A1 WO 2022018442A1 GB 2021051888 W GB2021051888 W GB 2021051888W WO 2022018442 A1 WO2022018442 A1 WO 2022018442A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
magnetic field
pattern
sensor
electromagnet
Prior art date
Application number
PCT/GB2021/051888
Other languages
English (en)
Inventor
Ian Gibb
Sofia Alexandra Cruz ABRUNHOSA
Susana Isabel Pinheiro CARDOSO DE FREITAS
Original Assignee
Macon Management and Design Ltd
Magnetic I D Limited
Institute of Systems and Computer Engineering for Microsystems and Nanotechnologies
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 Macon Management and Design Ltd, Magnetic I D Limited, Institute of Systems and Computer Engineering for Microsystems and Nanotechnologies filed Critical Macon Management and Design Ltd
Publication of WO2022018442A1 publication Critical patent/WO2022018442A1/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G06K7/087—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors flux-sensitive, e.g. magnetic, detectors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/082—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes using inductive or magnetic sensors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06187—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with magnetically detectable marking
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
    • G06K19/12—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being sensed by magnetic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Measuring Magnetic Variables (AREA)

Abstract

Un capteur de reconnaissance de motif magnétique comprend un électroaimant (10) et un capteur MR (11). L'électroaimant (10) est formé d'un solénoïde (12) enroulé autour d'un noyau (13). Lors de l'utilisation, le capteur de reconnaissance de motif magnétique est placé sur une section (5) du motif (2). L'électroaimant (10) est mis sous tension, générant un champ magnétique alternatif (14) qui magnétise une section (5) du motif (2). Une fois que la section (5) a été magnétisée, l'électroaimant (10) est éteint et le capteur MR (11) est mis sous tension pour mesurer les champs magnétiques. Le capteur MR (11) mesure le champ magnétique de lecture (6) généré par la section magnétisée (5).
PCT/GB2021/051888 2020-07-21 2021-07-21 Capteur de reconnaissance de motif magnétique WO2022018442A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2011230.6A GB2597443A (en) 2020-07-21 2020-07-21 A magnetic pattern recognition sensor
GB2011230.6 2020-07-21

Publications (1)

Publication Number Publication Date
WO2022018442A1 true WO2022018442A1 (fr) 2022-01-27

Family

ID=72338849

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2021/051888 WO2022018442A1 (fr) 2020-07-21 2021-07-21 Capteur de reconnaissance de motif magnétique

Country Status (2)

Country Link
GB (1) GB2597443A (fr)
WO (1) WO2022018442A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000259772A (ja) * 1999-03-10 2000-09-22 Seiko Epson Corp 磁気読取装置及びこれを用いた複合処理装置
JP2011028531A (ja) * 2009-07-27 2011-02-10 Canon Electronics Inc 磁気インク文字読取装置
US20150370210A1 (en) * 2012-06-25 2015-12-24 Shandong New Beiyang Information Technology Co., Ltd. Multifunctional magnetic reading device and control method thereof as well as printer
EP3153994A1 (fr) * 2014-05-30 2017-04-12 Multidimension Technology Co., Ltd. Marque anti-contrefaçon magnétique et son système d'identification
US20190180130A1 (en) * 2017-12-08 2019-06-13 Toshiba Tec Kabushiki Kaisha Magnetic ink character recognition apparatus and method by the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2565715B1 (fr) * 1984-06-08 1987-09-04 Dassault Electronique Dispositif de lecture de caracteres magnetiques-optiques avec possibilite d'impression et de memorisation
US5965862A (en) * 1994-10-18 1999-10-12 Seiko Epson Corporation Information detection apparatus and method for printing on a medium and for reading information recorded on the medium

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000259772A (ja) * 1999-03-10 2000-09-22 Seiko Epson Corp 磁気読取装置及びこれを用いた複合処理装置
JP2011028531A (ja) * 2009-07-27 2011-02-10 Canon Electronics Inc 磁気インク文字読取装置
US20150370210A1 (en) * 2012-06-25 2015-12-24 Shandong New Beiyang Information Technology Co., Ltd. Multifunctional magnetic reading device and control method thereof as well as printer
EP3153994A1 (fr) * 2014-05-30 2017-04-12 Multidimension Technology Co., Ltd. Marque anti-contrefaçon magnétique et son système d'identification
US20190180130A1 (en) * 2017-12-08 2019-06-13 Toshiba Tec Kabushiki Kaisha Magnetic ink character recognition apparatus and method by the same

Also Published As

Publication number Publication date
GB2597443A (en) 2022-02-02
GB202011230D0 (en) 2020-09-02

Similar Documents

Publication Publication Date Title
US8387879B2 (en) Magnetic sensor for checking value document
KR101654658B1 (ko) 자기 특성을 측정하기 위한 측정 장치와, 상기 측정 장치를 제조하는 방법
RU2549137C2 (ru) Способ и устройство для проверки ценных документов
US8544630B2 (en) Method and device for testing value documents
CN100510769C (zh) 具有自旋阀巨磁阻元件的方位角测量仪
EP2988279B1 (fr) Tête magnétique pour détecter un champ magnétique sur la surface d'un motif magnétique, basée sur une technologie à magnéto résistance
US9703994B2 (en) Check of a security element furnished with magnetic materials
US20140367469A1 (en) Method and Apparatus for Checking Value Documents
WO2014114037A1 (fr) Capteur magnétique et procédé de quantification et d'authentification d'une caractéristique de boucle d'hystérèse magnétique d'un code magnétique
JP7097462B2 (ja) 絶対値符号器
WO2022018442A1 (fr) Capteur de reconnaissance de motif magnétique
JP2006293575A (ja) 紙葉類の識別装置及び識別方法
US9685019B2 (en) Device for examining a value document and method for examining a value document
CN106570978A (zh) 一种对防伪元件进行检测的装置和方法
CN104903938B (zh) 用于测量测量装置周围磁特性的测量装置
JP2011133477A (ja) 長さ測定装置
CN103886671A (zh) 一种定量鉴定货币真伪的装置及方法
US4184631A (en) Device for reading information magnetically coded on a carrier
US20070114786A1 (en) Magnetic tag and method for reading information store therein
RU2792154C2 (ru) Магнитная проверка ценных документов
CN203118093U (zh) 一种验钞机
JPH1196430A (ja) 磁気検出装置
CN112955938B (zh) 有价文件的磁性测试
JP7461200B2 (ja) 紙葉類識別装置、紙葉類処理装置及び紙葉類識別方法
CN203773622U (zh) 一种定量鉴定货币真伪的装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21751842

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21751842

Country of ref document: EP

Kind code of ref document: A1