GB2347776B - Magnetic reader - Google Patents

Magnetic reader

Info

Publication number
GB2347776B
GB2347776B GB0004362A GB0004362A GB2347776B GB 2347776 B GB2347776 B GB 2347776B GB 0004362 A GB0004362 A GB 0004362A GB 0004362 A GB0004362 A GB 0004362A GB 2347776 B GB2347776 B GB 2347776B
Authority
GB
United Kingdom
Prior art keywords
magnetic reader
reader
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.)
Expired - Lifetime
Application number
GB0004362A
Other versions
GB0004362D0 (en
GB2347776A (en
Inventor
Brian Chorley
Martin John Webb
Terry Wheelwright
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.)
BANK OF ENGLAND
Governor and Co of Bank of England
Original Assignee
BANK OF ENGLAND
Governor and Co of Bank of England
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
Priority claimed from GBGB9617692.0A external-priority patent/GB9617692D0/en
Application filed by BANK OF ENGLAND, Governor and Co of Bank of England filed Critical BANK OF ENGLAND
Publication of GB0004362D0 publication Critical patent/GB0004362D0/en
Publication of GB2347776A publication Critical patent/GB2347776A/en
Application granted granted Critical
Publication of GB2347776B publication Critical patent/GB2347776B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G06K7/083—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 inductive
    • G06K7/084—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 inductive sensing magnetic material by relative movement detecting flux changes without altering its magnetised state
    • 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)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
GB0004362A 1996-08-23 1997-08-08 Magnetic reader Expired - Lifetime GB2347776B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9617692.0A GB9617692D0 (en) 1996-08-23 1996-08-23 Magnetic reader
GB9716713A GB2316521B (en) 1996-08-23 1997-08-08 Magnetic reader

Publications (3)

Publication Number Publication Date
GB0004362D0 GB0004362D0 (en) 2000-04-12
GB2347776A GB2347776A (en) 2000-09-13
GB2347776B true GB2347776B (en) 2000-12-13

Family

ID=26309913

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0004362A Expired - Lifetime GB2347776B (en) 1996-08-23 1997-08-08 Magnetic reader

Country Status (1)

Country Link
GB (1) GB2347776B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4906988A (en) * 1987-01-27 1990-03-06 Rand Mcnally & Co. Object verification system and method
WO1995027256A1 (en) * 1994-03-30 1995-10-12 The Governor & Company Of The Bank Of England Reader for magnetically coded information on bank notes and the like
WO1996016381A1 (en) * 1994-11-18 1996-05-30 The Governor & Company Of The Bank Of England Security thread detector assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4906988A (en) * 1987-01-27 1990-03-06 Rand Mcnally & Co. Object verification system and method
WO1995027256A1 (en) * 1994-03-30 1995-10-12 The Governor & Company Of The Bank Of England Reader for magnetically coded information on bank notes and the like
WO1996016381A1 (en) * 1994-11-18 1996-05-30 The Governor & Company Of The Bank Of England Security thread detector assembly

Also Published As

Publication number Publication date
GB0004362D0 (en) 2000-04-12
GB2347776A (en) 2000-09-13

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20170807