GB1371816A - Magnetic cards for data acquisition - Google Patents

Magnetic cards for data acquisition

Info

Publication number
GB1371816A
GB1371816A GB137472A GB137472A GB1371816A GB 1371816 A GB1371816 A GB 1371816A GB 137472 A GB137472 A GB 137472A GB 137472 A GB137472 A GB 137472A GB 1371816 A GB1371816 A GB 1371816A
Authority
GB
United Kingdom
Prior art keywords
data acquisition
magnetic cards
cards
magnetic
acquisition
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
Application number
GB137472A
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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
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 BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of GB1371816A publication Critical patent/GB1371816A/en
Expired 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
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/02—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine
    • 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
    • G11B5/702—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 characterised by the bonding agent
    • G11B5/7021—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 characterised by the bonding agent containing a polyurethane or a polyisocyanate
    • G11B5/7022—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 characterised by the bonding agent containing a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Paints Or Removers (AREA)
GB137472A 1971-01-14 1972-01-12 Magnetic cards for data acquisition Expired GB1371816A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712101490 DE2101490C3 (en) 1971-01-14 1971-01-14 Magnetic cards for data acquisition

Publications (1)

Publication Number Publication Date
GB1371816A true GB1371816A (en) 1974-10-30

Family

ID=5795805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB137472A Expired GB1371816A (en) 1971-01-14 1972-01-12 Magnetic cards for data acquisition

Country Status (4)

Country Link
DE (1) DE2101490C3 (en)
GB (1) GB1371816A (en)
IT (1) IT950573B (en)
NL (1) NL7200339A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2255802C3 (en) * 1972-11-15 1981-10-15 Basf Ag, 6700 Ludwigshafen Layer magnetogram carrier
US3946206A (en) * 1974-08-21 1976-03-23 R. D. Products, Inc. Magnetic-type information card and method and apparatus for encoding and reading
DE2442762C2 (en) * 1974-09-06 1983-02-24 Basf Ag, 6700 Ludwigshafen Layered magnetogram carrier with polyurethane elastomer binders in the magnetic layer
DE29914038U1 (en) * 1999-08-11 1999-11-18 Ahrens Hans Joachim Magnetic card

Also Published As

Publication number Publication date
IT950573B (en) 1973-06-20
NL7200339A (en) 1972-07-18
DE2101490B2 (en) 1977-08-18
DE2101490C3 (en) 1978-04-13
DE2101490A1 (en) 1972-07-27

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee