IT1109303B - Carta di credito a magnetizzazione anisotropa uniassale - Google Patents

Carta di credito a magnetizzazione anisotropa uniassale

Info

Publication number
IT1109303B
IT1109303B IT51711/78A IT5171178A IT1109303B IT 1109303 B IT1109303 B IT 1109303B IT 51711/78 A IT51711/78 A IT 51711/78A IT 5171178 A IT5171178 A IT 5171178A IT 1109303 B IT1109303 B IT 1109303B
Authority
IT
Italy
Prior art keywords
credit card
magnetization
substrate plane
anisotrop
uni
Prior art date
Application number
IT51711/78A
Other languages
English (en)
Other versions
IT7851711A0 (it
Original Assignee
Ipm Ind Politecnica Meridional
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 Ipm Ind Politecnica Meridional filed Critical Ipm Ind Politecnica Meridional
Priority to IT51711/78A priority Critical patent/IT1109303B/it
Publication of IT7851711A0 publication Critical patent/IT7851711A0/it
Priority to DE7979830019T priority patent/DE2966129D1/de
Priority to EP79830019A priority patent/EP0011053B1/en
Priority to AT79830019T priority patent/ATE4616T1/de
Application granted granted Critical
Publication of IT1109303B publication Critical patent/IT1109303B/it

Links

Classifications

    • 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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
IT51711/78A 1978-10-30 1978-10-30 Carta di credito a magnetizzazione anisotropa uniassale IT1109303B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT51711/78A IT1109303B (it) 1978-10-30 1978-10-30 Carta di credito a magnetizzazione anisotropa uniassale
DE7979830019T DE2966129D1 (en) 1978-10-30 1979-06-11 Method for obtaining a credit card having an anisotropic, uniaxial magnetization and credit card obtained thereby
EP79830019A EP0011053B1 (en) 1978-10-30 1979-06-11 Method for obtaining a credit card having an anisotropic, uniaxial magnetization and credit card obtained thereby
AT79830019T ATE4616T1 (de) 1978-10-30 1979-06-20 Verfahren zur herstellung einer kreditkarte mit anisotroper, einachsiger magnetisierung und nach diesem verfahren hergestellte kreditkarte.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT51711/78A IT1109303B (it) 1978-10-30 1978-10-30 Carta di credito a magnetizzazione anisotropa uniassale

Publications (2)

Publication Number Publication Date
IT7851711A0 IT7851711A0 (it) 1978-10-30
IT1109303B true IT1109303B (it) 1985-12-16

Family

ID=11275605

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51711/78A IT1109303B (it) 1978-10-30 1978-10-30 Carta di credito a magnetizzazione anisotropa uniassale

Country Status (4)

Country Link
EP (1) EP0011053B1 (it)
AT (1) ATE4616T1 (it)
DE (1) DE2966129D1 (it)
IT (1) IT1109303B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1170531B (it) * 1983-10-21 1987-06-03 Ipm Ind Politecnica Meridional Dispositivo di lettura ed obliterazione di areole a film sottile di materiale ad anisotropia magnetica uniassiale, deposte su di carte di credito o simili
GB9621000D0 (en) * 1996-10-09 1996-11-27 Flying Null Ltd Magnetic tags and techniques
ATE538934T1 (de) * 2003-12-30 2012-01-15 Dimatix Inc Tropfenausstossanordnung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959631A (en) * 1974-08-09 1976-05-25 Ncr Corporation Wedge code and reading thereof
FR2370339A1 (fr) * 1976-11-04 1978-06-02 Transac Dev Transact Automat Procede d'enregistrement magnetique inalterable
FR2386112A1 (fr) * 1977-03-31 1978-10-27 Cii Honeywell Bull Dispositif d'aimantation statique a champ localise

Also Published As

Publication number Publication date
EP0011053A1 (en) 1980-05-14
DE2966129D1 (en) 1983-10-13
ATE4616T1 (de) 1983-09-15
IT7851711A0 (it) 1978-10-30
EP0011053B1 (en) 1983-09-07

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Effective date: 19941019