ATE243340T1 - Verfahren und vorrichtung zur sicheren datenspeicherung und handhabung mittels magnetischer träger - Google Patents

Verfahren und vorrichtung zur sicheren datenspeicherung und handhabung mittels magnetischer träger

Info

Publication number
ATE243340T1
ATE243340T1 AT96911471T AT96911471T ATE243340T1 AT E243340 T1 ATE243340 T1 AT E243340T1 AT 96911471 T AT96911471 T AT 96911471T AT 96911471 T AT96911471 T AT 96911471T AT E243340 T1 ATE243340 T1 AT E243340T1
Authority
AT
Austria
Prior art keywords
data
distance
magnetic
benchmark
medium
Prior art date
Application number
AT96911471T
Other languages
English (en)
Inventor
Ronald S Indeck
Marcel W Muller
Original Assignee
Univ Washington
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 Univ Washington filed Critical Univ Washington
Application granted granted Critical
Publication of ATE243340T1 publication Critical patent/ATE243340T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
    • G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
    • G06K1/125—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching by magnetic means
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/035—Equalising
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/54—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head into or out of its operative position or across tracks
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/488—Disposition of heads

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Magnetic Record Carriers (AREA)
  • Credit Cards Or The Like (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
AT96911471T 1995-04-05 1996-04-01 Verfahren und vorrichtung zur sicheren datenspeicherung und handhabung mittels magnetischer träger ATE243340T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/417,666 US5625689A (en) 1993-04-09 1995-04-05 Method and apparatus for secure data storage and manipulation using magnetic media
PCT/US1996/004286 WO1996031834A1 (en) 1995-04-05 1996-04-01 Method and apparatus for secure data storage and manipulation using magnetic media

Publications (1)

Publication Number Publication Date
ATE243340T1 true ATE243340T1 (de) 2003-07-15

Family

ID=23654923

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96911471T ATE243340T1 (de) 1995-04-05 1996-04-01 Verfahren und vorrichtung zur sicheren datenspeicherung und handhabung mittels magnetischer träger

Country Status (6)

Country Link
US (1) US5625689A (de)
EP (1) EP0870269B1 (de)
AT (1) ATE243340T1 (de)
AU (1) AU5435096A (de)
DE (1) DE69628764T2 (de)
WO (1) WO1996031834A1 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5650606A (en) * 1995-08-07 1997-07-22 Magnetic Products International, Corp Accurate read/write head for preventing credit card alteration and counterfeiting of debit cards
US7543151B2 (en) * 1996-02-15 2009-06-02 Semtek Innovative Solutions Corporation Method and apparatus for securing and authenticating encoded data and documents containing such data
US7162636B2 (en) 1998-06-22 2007-01-09 Semtek Innovative Solutions, Inc. Method and apparatus for securing and authenticating encoded data and documents containing such data
US6431445B1 (en) 1998-07-22 2002-08-13 Mag-Tek, Inc. Magnetic stripe card verification system
US7210627B2 (en) 1998-07-22 2007-05-01 Morley Jr Robert E Method and apparatus for authenticating a magnetic fingerprint signal using an adaptive analog to digital converter
US6899269B1 (en) 1998-07-22 2005-05-31 Mag-Tek, Inc. Magnetic stripe authentication and verification system
US6098881A (en) * 1998-07-22 2000-08-08 Mag-Tek, Inc. Magnetic stripe card verification system
US7377433B2 (en) * 1998-07-22 2008-05-27 Washington University In St. Louis Method and apparatus for authenticating a magnetic fingerprint signal using compressive amplification
US7478751B2 (en) * 1998-07-22 2009-01-20 Magtek, Inc. Method and apparatus for authenticating a magnetic fingerprint signal using a filter capable of isolating a remanent noise related signal component
US6476991B1 (en) * 2000-05-01 2002-11-05 Xtec Incorporated Methods and apparatus for increased magnetic coding density by precise placement of magnetic transitions
US7162035B1 (en) 2000-05-24 2007-01-09 Tracer Detection Technology Corp. Authentication method and system
US6871784B2 (en) 2001-02-07 2005-03-29 Trijay Technologies International Corporation Security in mag-stripe card transactions
US6754016B2 (en) 2001-04-19 2004-06-22 Carnegie Mellon University Frequency modulation pattern for disk drive assemblies
US20030222138A1 (en) * 2002-05-31 2003-12-04 Carole Oppenlander System and method for authorizing transactions
US8171567B1 (en) * 2002-09-04 2012-05-01 Tracer Detection Technology Corp. Authentication method and system
GB0220907D0 (en) * 2002-09-10 2002-10-16 Ingenia Holdings Ltd Security device and system
US7077332B2 (en) * 2003-03-19 2006-07-18 Translucent Technologies, Llc Media verification system
US7740168B2 (en) * 2003-08-18 2010-06-22 Visa U.S.A. Inc. Method and system for generating a dynamic verification value
US7761374B2 (en) 2003-08-18 2010-07-20 Visa International Service Association Method and system for generating a dynamic verification value
DE10345669B4 (de) * 2003-10-01 2008-02-07 Wirnitzer, Bernhard, Prof. Dr. Datenträger mit Kopierschutz und Verfahren zum Erzeugen eines Sicherungscodes
WO2005060491A2 (en) * 2003-11-18 2005-07-07 Magtek, Inc. Self-aligning magnetic read head incorporating lift-up detection
US7309012B2 (en) * 2004-09-07 2007-12-18 Semtek Innovative Solutions, Inc. Secure magnetic stripe reader for handheld computing and method of using same
US7506812B2 (en) 2004-09-07 2009-03-24 Semtek Innovative Solutions Corporation Transparently securing data for transmission on financial networks
US9065643B2 (en) 2006-04-05 2015-06-23 Visa U.S.A. Inc. System and method for account identifier obfuscation
US7818264B2 (en) * 2006-06-19 2010-10-19 Visa U.S.A. Inc. Track data encryption
US9123042B2 (en) * 2006-10-17 2015-09-01 Verifone, Inc. Pin block replacement
US8769275B2 (en) * 2006-10-17 2014-07-01 Verifone, Inc. Batch settlement transactions system and method
US9361617B2 (en) 2008-06-17 2016-06-07 Verifone, Inc. Variable-length cipher system and method
WO2008063877A2 (en) * 2006-11-06 2008-05-29 Magtek, Inc. Card authentication system
WO2008094470A1 (en) * 2007-01-26 2008-08-07 Magtek, Inc. Card reader for use with web based transactions
US20080288403A1 (en) * 2007-05-18 2008-11-20 Clay Von Mueller Pin encryption device security
US8121956B2 (en) 2007-06-25 2012-02-21 Visa U.S.A. Inc. Cardless challenge systems and methods
US7739169B2 (en) * 2007-06-25 2010-06-15 Visa U.S.A. Inc. Restricting access to compromised account information
US8355982B2 (en) 2007-08-16 2013-01-15 Verifone, Inc. Metrics systems and methods for token transactions
US8144940B2 (en) 2008-08-07 2012-03-27 Clay Von Mueller System and method for authentication of data
US8484101B2 (en) * 2008-08-20 2013-07-09 Oracle International Corporation Cost management system with flexible unit of measure
WO2010053899A2 (en) 2008-11-06 2010-05-14 Visa International Service Association Online challenge-response
US7967203B2 (en) * 2008-11-21 2011-06-28 Visa International Service Association Authenticating a document with a magnetic stripe
US9027831B2 (en) * 2008-11-21 2015-05-12 Visa International Service Association Updating of reference magnetic signature for authenticating a document with a magnetic stripe
US8104677B2 (en) * 2008-11-21 2012-01-31 Visa International Service Association Authentication of documents having magnetic stripe
US8118220B2 (en) * 2008-11-21 2012-02-21 Visa International Service Association Verifying cardholder identity using signature of the card
US8251283B1 (en) 2009-05-08 2012-08-28 Oberon Labs, LLC Token authentication using spatial characteristics
WO2015089346A1 (en) 2013-12-13 2015-06-18 Battelle Memorial Institute Electronic component classification
US11526885B2 (en) 2015-03-04 2022-12-13 Trusona, Inc. Systems and methods for user identification using graphical barcode and payment card authentication read data
US10789550B2 (en) 2017-04-13 2020-09-29 Battelle Memorial Institute System and method for generating test vectors

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1519142A (en) * 1974-07-04 1978-07-26 Emi Ltd Detection of magnetic patterns
GB2021835B (en) * 1978-05-30 1982-08-04 Emi Ltd Making and examining security documents
US4630845A (en) * 1983-08-25 1986-12-23 Light Signatures, Inc. Authentication document system
US4806740A (en) * 1986-09-19 1989-02-21 Light Signatures, Inc. Magnetic characteristic identification system
US4985614A (en) * 1987-01-16 1991-01-15 Rand Mcnally & Company Object verification apparatus and method
US4906988A (en) * 1987-01-27 1990-03-06 Rand Mcnally & Co. Object verification system and method
FR2616943B1 (fr) * 1987-06-18 1990-11-23 Bonnaval Lamothe Michel Procede de controle simultane de l'authenticite d'un support d'information et de la non-falsification de ladite information et dispositifs pour sa mise en oeuvre
DE3903454A1 (de) * 1988-12-12 1990-06-13 Raymund H Eisele In edv-einrichtungen einsteckbares element
US5408505A (en) * 1993-04-09 1995-04-18 Washington University Method and apparatus for process control, tension control, and testing of magnetic media
US5546462A (en) * 1993-04-09 1996-08-13 Washington University Method and apparatus for fingerprinting and authenticating various magnetic media
US5365586A (en) * 1993-04-09 1994-11-15 Washington University Method and apparatus for fingerprinting magnetic media

Also Published As

Publication number Publication date
EP0870269B1 (de) 2003-06-18
EP0870269A1 (de) 1998-10-14
DE69628764T2 (de) 2004-04-08
DE69628764D1 (de) 2003-07-24
AU5435096A (en) 1996-10-23
WO1996031834A1 (en) 1996-10-10
US5625689A (en) 1997-04-29
EP0870269A4 (de) 2000-01-05

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