GB8600875D0 - Encoding magnetic cards - Google Patents

Encoding magnetic cards

Info

Publication number
GB8600875D0
GB8600875D0 GB868600875A GB8600875A GB8600875D0 GB 8600875 D0 GB8600875 D0 GB 8600875D0 GB 868600875 A GB868600875 A GB 868600875A GB 8600875 A GB8600875 A GB 8600875A GB 8600875 D0 GB8600875 D0 GB 8600875D0
Authority
GB
United Kingdom
Prior art keywords
magnetic cards
encoding magnetic
encoding
cards
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.)
Granted
Application number
GB868600875A
Other versions
GB2186732A (en
GB2186732B (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.)
UNIQUEY HONG KONG Ltd
Original Assignee
UNIQUEY HONG KONG 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 UNIQUEY HONG KONG Ltd filed Critical UNIQUEY HONG KONG Ltd
Priority to GB8600875A priority Critical patent/GB2186732B/en
Publication of GB8600875D0 publication Critical patent/GB8600875D0/en
Publication of GB2186732A publication Critical patent/GB2186732A/en
Application granted granted Critical
Publication of GB2186732B publication Critical patent/GB2186732B/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
    • G06K19/06—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
    • 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
    • G11B20/16—Digital recording or reproducing using non self-clocking codes, i.e. the clock signals are either recorded in a separate clocking track or in a combination of several information tracks
GB8600875A 1986-01-15 1986-01-15 Improvements in encoding magnetic cards Expired GB2186732B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8600875A GB2186732B (en) 1986-01-15 1986-01-15 Improvements in encoding magnetic cards

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8600875A GB2186732B (en) 1986-01-15 1986-01-15 Improvements in encoding magnetic cards

Publications (3)

Publication Number Publication Date
GB8600875D0 true GB8600875D0 (en) 1986-02-19
GB2186732A GB2186732A (en) 1987-08-19
GB2186732B GB2186732B (en) 1989-11-01

Family

ID=10591392

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8600875A Expired GB2186732B (en) 1986-01-15 1986-01-15 Improvements in encoding magnetic cards

Country Status (1)

Country Link
GB (1) GB2186732B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2272560B (en) * 1992-11-14 1996-07-17 Thorn Secure Science Ltd Writing of a second set of data in dependence upon reading a first set of data

Also Published As

Publication number Publication date
GB2186732A (en) 1987-08-19
GB2186732B (en) 1989-11-01

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Legal Events

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

Effective date: 19970115