GB9208828D0 - Magnetic data medium and its production,data system and data decoding device - Google Patents

Magnetic data medium and its production,data system and data decoding device

Info

Publication number
GB9208828D0
GB9208828D0 GB929208828A GB9208828A GB9208828D0 GB 9208828 D0 GB9208828 D0 GB 9208828D0 GB 929208828 A GB929208828 A GB 929208828A GB 9208828 A GB9208828 A GB 9208828A GB 9208828 D0 GB9208828 D0 GB 9208828D0
Authority
GB
United Kingdom
Prior art keywords
data
production
decoding device
medium
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.)
Withdrawn
Application number
GB929208828A
Other versions
GB2255046A (en
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.)
Avery Weigh Tronix Ltd
Original Assignee
GEC Avery Ltd
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 GEC Avery Ltd filed Critical GEC Avery Ltd
Publication of GB9208828D0 publication Critical patent/GB9208828D0/en
Publication of GB2255046A publication Critical patent/GB2255046A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/716—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 two or more magnetic layers
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/855—Coating only part of a support with a magnetic layer
GB9208828A 1991-04-23 1992-04-23 Magnetic data card and reader Withdrawn GB2255046A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB919108701A GB9108701D0 (en) 1991-04-23 1991-04-23 Magnetic data medium

Publications (2)

Publication Number Publication Date
GB9208828D0 true GB9208828D0 (en) 1992-06-10
GB2255046A GB2255046A (en) 1992-10-28

Family

ID=10693797

Family Applications (2)

Application Number Title Priority Date Filing Date
GB919108701A Pending GB9108701D0 (en) 1991-04-23 1991-04-23 Magnetic data medium
GB9208828A Withdrawn GB2255046A (en) 1991-04-23 1992-04-23 Magnetic data card and reader

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB919108701A Pending GB9108701D0 (en) 1991-04-23 1991-04-23 Magnetic data medium

Country Status (3)

Country Link
GB (2) GB9108701D0 (en)
WO (1) WO1992018977A1 (en)
ZA (1) ZA922948B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8538801B2 (en) 1999-02-19 2013-09-17 Exxonmobile Research & Engineering Company System and method for processing financial transactions
CN106778989B (en) * 2016-11-22 2020-04-21 中钞特种防伪科技有限公司 Anti-counterfeiting element and anti-counterfeiting product

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2452140A1 (en) * 1979-03-21 1980-10-17 Automatisme Cie Gle MAGNETIC TITLE
EP0033041A1 (en) * 1980-01-25 1981-08-05 Rhone-Poulenc Systemes Security magnetic recording support and process for its manufacture
CA1241741A (en) * 1984-05-24 1988-09-06 Robert A. Scranton Variable impedance contrast in data storage media
US4929821A (en) * 1986-03-12 1990-05-29 Skidata Computer G.m.b.H. Method of forgery-protecting a data carrier, a forgery-protected data carrier and apparatuses for handling, processing and monitoring the data carrier
US4777540A (en) * 1986-03-18 1988-10-11 American Magnetics Corp. Magnetic card reader with head stop arrangement
GB8830106D0 (en) * 1988-12-23 1989-02-22 Coin Controls Improved security system

Also Published As

Publication number Publication date
WO1992018977A1 (en) 1992-10-29
GB2255046A (en) 1992-10-28
ZA922948B (en) 1992-12-30
GB9108701D0 (en) 1991-06-12

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)