EP1353301A3 - Magnetic thread reader - Google Patents

Magnetic thread reader Download PDF

Info

Publication number
EP1353301A3
EP1353301A3 EP03015595A EP03015595A EP1353301A3 EP 1353301 A3 EP1353301 A3 EP 1353301A3 EP 03015595 A EP03015595 A EP 03015595A EP 03015595 A EP03015595 A EP 03015595A EP 1353301 A3 EP1353301 A3 EP 1353301A3
Authority
EP
European Patent Office
Prior art keywords
head
primary
thread
heads
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
Application number
EP03015595A
Other languages
German (de)
French (fr)
Other versions
EP1353301A2 (en
EP1353301B1 (en
Inventor
John Buttiant
Peter Dilwyn Evans
John Alan Skinner
Michael Potter
Peter Alan Pullan
Barry Clifford Scowen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Glory Global Solutions Holdings Ltd
Original Assignee
De la Rue International Ltd
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 De la Rue International Ltd filed Critical De la Rue International Ltd
Priority claimed from EP02250079A external-priority patent/EP1221679B1/en
Publication of EP1353301A2 publication Critical patent/EP1353301A2/en
Publication of EP1353301A3 publication Critical patent/EP1353301A3/en
Application granted granted Critical
Publication of EP1353301B1 publication Critical patent/EP1353301B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G07D7/004—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 using digital security elements, e.g. information coded on a magnetic thread or strip
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

A method of detecting a magnetic thread comprises causing relative movement between the thread and an array of magnetic heads (2a-2l), each head (2a-2l) generates a signal upon detecting a portion of the thread. The arrival of a thread at one of the heads is detected, that head being denoted a primary head, and the head on each side a secondary head. Output signals from the primary and secondary heads are monitored to generate a representation of the thread, and the magnitude of the signals from the primary and secondary heads are compared such that if the magnitude of the output signal from a secondary head exceeds that from the primary head, the primary and secondary heads are reallocated accordingly.
EP03015595A 2001-01-08 2002-01-07 Magnetic thread reader Expired - Lifetime EP1353301B1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB0100451 2001-01-08
GBGB0100451.4A GB0100451D0 (en) 2001-01-08 2001-01-08 Method for reading coded magnetic threads
GBGB0114212.4A GB0114212D0 (en) 2001-01-08 2001-06-11 Magnetic thread reader
GB0114212 2001-06-11
EP02250079A EP1221679B1 (en) 2001-01-08 2002-01-07 Magnetic thread reader

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP02250079A Division EP1221679B1 (en) 2001-01-08 2002-01-07 Magnetic thread reader

Publications (3)

Publication Number Publication Date
EP1353301A2 EP1353301A2 (en) 2003-10-15
EP1353301A3 true EP1353301A3 (en) 2003-10-22
EP1353301B1 EP1353301B1 (en) 2006-11-02

Family

ID=9906433

Family Applications (2)

Application Number Title Priority Date Filing Date
EP03015597A Expired - Lifetime EP1353302B1 (en) 2001-01-08 2002-01-07 Magnetic thread reader
EP03015595A Expired - Lifetime EP1353301B1 (en) 2001-01-08 2002-01-07 Magnetic thread reader

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP03015597A Expired - Lifetime EP1353302B1 (en) 2001-01-08 2002-01-07 Magnetic thread reader

Country Status (3)

Country Link
EP (2) EP1353302B1 (en)
GB (2) GB0100451D0 (en)
PT (1) PT1353301E (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20040753A1 (en) * 2004-10-29 2005-01-29 Photovox S R L MODULAR MAGNETIC HEAD FOR READING OF BANDS OR MAGNETIZED WIRES
EP2046513B1 (en) 2006-06-28 2012-10-31 Talaris Holdings Limited Document handling apparatus
DE102008048043A1 (en) * 2008-09-19 2010-03-25 Giesecke & Devrient Gmbh Calibrating a sensor for value document processing
JP6198932B2 (en) * 2014-03-27 2017-09-20 三菱電機株式会社 Information reading apparatus and information reading method
CN105160756A (en) * 2015-08-18 2015-12-16 深圳怡化电脑股份有限公司 Paper money facing direction recognition method and device
DE102016015545A1 (en) 2016-12-27 2018-06-28 Giesecke+Devrient Currency Technology Gmbh Method and device for detecting a security thread in a value document
GB2615816A (en) * 2022-02-21 2023-08-23 The Governor & Company Of The Bank Of England Document recognition device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2098768A (en) * 1981-04-13 1982-11-24 Bank Of England The Governor & Card readers
US5255129A (en) * 1989-09-22 1993-10-19 Jones Philip B Magnetic code reader with adjustable thresholds
US5378885A (en) * 1991-10-29 1995-01-03 Mars Incorporated Unshielded magnetoresistive head with multiple pairs of sensing elements
US5889271A (en) * 1994-11-18 1999-03-30 Webb; Martin John Method of reading a security thread
DE19921653A1 (en) * 1999-03-24 2000-09-28 Kraus Sicherheitstechnik Security thread for banknotes has electronically readable code incorporated in metal coating

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2098768A (en) * 1981-04-13 1982-11-24 Bank Of England The Governor & Card readers
US5255129A (en) * 1989-09-22 1993-10-19 Jones Philip B Magnetic code reader with adjustable thresholds
US5378885A (en) * 1991-10-29 1995-01-03 Mars Incorporated Unshielded magnetoresistive head with multiple pairs of sensing elements
US5889271A (en) * 1994-11-18 1999-03-30 Webb; Martin John Method of reading a security thread
DE19921653A1 (en) * 1999-03-24 2000-09-28 Kraus Sicherheitstechnik Security thread for banknotes has electronically readable code incorporated in metal coating

Also Published As

Publication number Publication date
GB0100451D0 (en) 2001-02-21
PT1353301E (en) 2007-01-31
EP1353302A2 (en) 2003-10-15
EP1353302A3 (en) 2003-10-22
EP1353301A2 (en) 2003-10-15
EP1353301B1 (en) 2006-11-02
EP1353302B1 (en) 2005-07-20
GB0114212D0 (en) 2001-08-01

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