DE69628764D1 - Verfahren und vorrichtung zur sicheren datenspeicherung und handhabung mittels magnetischer träger - Google Patents
Verfahren und vorrichtung zur sicheren datenspeicherung und handhabung mittels magnetischer trägerInfo
- Publication number
- DE69628764D1 DE69628764D1 DE69628764T DE69628764T DE69628764D1 DE 69628764 D1 DE69628764 D1 DE 69628764D1 DE 69628764 T DE69628764 T DE 69628764T DE 69628764 T DE69628764 T DE 69628764T DE 69628764 D1 DE69628764 D1 DE 69628764D1
- Authority
- DE
- Germany
- Prior art keywords
- data
- distance
- magnetic
- benchmark
- medium
- 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
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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; 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
-
- 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 Security & Cryptography (AREA)
- Computer Hardware Design (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)
Applications Claiming Priority (3)
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 |
US417666 | 1995-04-05 | ||
PCT/US1996/004286 WO1996031834A1 (en) | 1995-04-05 | 1996-04-01 | Method and apparatus for secure data storage and manipulation using magnetic media |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69628764D1 true DE69628764D1 (de) | 2003-07-24 |
DE69628764T2 DE69628764T2 (de) | 2004-04-08 |
Family
ID=23654923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69628764T Expired - Lifetime DE69628764T2 (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)
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 |
US6098881A (en) * | 1998-07-22 | 2000-08-08 | Mag-Tek, Inc. | Magnetic stripe card verification system |
US6899269B1 (en) * | 1998-07-22 | 2005-05-31 | Mag-Tek, Inc. | Magnetic stripe authentication and 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 |
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 |
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 |
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 |
US7347370B2 (en) * | 2003-11-18 | 2008-03-25 | Magtek, Inc. | Self-aligning magnetic read head incorporating lift-up detection |
US7506812B2 (en) * | 2004-09-07 | 2009-03-24 | Semtek Innovative Solutions Corporation | Transparently securing data for transmission on financial networks |
US7309012B2 (en) * | 2004-09-07 | 2007-12-18 | Semtek Innovative Solutions, Inc. | Secure magnetic stripe reader for handheld computing and method of using same |
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 |
US8447991B2 (en) * | 2006-11-06 | 2013-05-21 | 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 |
US7739169B2 (en) * | 2007-06-25 | 2010-06-15 | Visa U.S.A. Inc. | Restricting access to compromised account information |
US8121956B2 (en) | 2007-06-25 | 2012-02-21 | Visa U.S.A. Inc. | Cardless challenge systems and methods |
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 |
AU2009311303B2 (en) | 2008-11-06 | 2015-09-10 | Visa International Service Association | Online challenge-response |
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 |
US7967203B2 (en) * | 2008-11-21 | 2011-06-28 | Visa International Service Association | 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)
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 |
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 |
US5408505A (en) * | 1993-04-09 | 1995-04-18 | Washington University | Method and apparatus for process control, tension control, and testing of magnetic media |
-
1995
- 1995-04-05 US US08/417,666 patent/US5625689A/en not_active Expired - Lifetime
-
1996
- 1996-04-01 EP EP96911471A patent/EP0870269B1/de not_active Expired - Lifetime
- 1996-04-01 AU AU54350/96A patent/AU5435096A/en not_active Abandoned
- 1996-04-01 WO PCT/US1996/004286 patent/WO1996031834A1/en active IP Right Grant
- 1996-04-01 AT AT96911471T patent/ATE243340T1/de not_active IP Right Cessation
- 1996-04-01 DE DE69628764T patent/DE69628764T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU5435096A (en) | 1996-10-23 |
EP0870269A4 (de) | 2000-01-05 |
US5625689A (en) | 1997-04-29 |
EP0870269B1 (de) | 2003-06-18 |
EP0870269A1 (de) | 1998-10-14 |
ATE243340T1 (de) | 2003-07-15 |
DE69628764T2 (de) | 2004-04-08 |
WO1996031834A1 (en) | 1996-10-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |