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GB2272092B - Data storage and recovery devices - Google Patents

Data storage and recovery devices

Info

Publication number
GB2272092B
GB2272092B GB9224534A GB9224534A GB2272092B GB 2272092 B GB2272092 B GB 2272092B GB 9224534 A GB9224534 A GB 9224534A GB 9224534 A GB9224534 A GB 9224534A GB 2272092 B GB2272092 B GB 2272092B
Authority
GB
United Kingdom
Prior art keywords
data storage
recovery devices
recovery
devices
storage
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 - Fee Related
Application number
GB9224534A
Other versions
GB9224534D0 (en
GB2272092A (en
Inventor
Christopher Richard Jackson
David James Medhurst
Sassan Sepehr
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.)
HTEC Ltd
Original Assignee
HTEC 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 HTEC Ltd filed Critical HTEC Ltd
Publication of GB9224534D0 publication Critical patent/GB9224534D0/en
Publication of GB2272092A publication Critical patent/GB2272092A/en
Application granted granted Critical
Publication of GB2272092B publication Critical patent/GB2272092B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06K19/08—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
GB9224534A 1992-10-31 1992-11-24 Data storage and recovery devices Expired - Fee Related GB2272092B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929222855A GB9222855D0 (en) 1992-10-31 1992-10-31 Data storage and recovery devices

Publications (3)

Publication Number Publication Date
GB9224534D0 GB9224534D0 (en) 1993-01-13
GB2272092A GB2272092A (en) 1994-05-04
GB2272092B true GB2272092B (en) 1995-06-28

Family

ID=10724344

Family Applications (2)

Application Number Title Priority Date Filing Date
GB929222855A Pending GB9222855D0 (en) 1992-10-31 1992-10-31 Data storage and recovery devices
GB9224534A Expired - Fee Related GB2272092B (en) 1992-10-31 1992-11-24 Data storage and recovery devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB929222855A Pending GB9222855D0 (en) 1992-10-31 1992-10-31 Data storage and recovery devices

Country Status (1)

Country Link
GB (2) GB9222855D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2309568B (en) 1996-01-25 1999-09-29 Central Research Lab Ltd Method of identifying a data carrier
US6832315B1 (en) 1997-11-10 2004-12-14 Thorn Secure Science Limited Method of labelling an article
JPWO2008032351A1 (en) * 2006-09-11 2010-01-21 株式会社フューチャーテクノロジー研究所 Counterfeit card discrimination system, authenticity judgment information writing device, and counterfeit card discrimination device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1306116A (en) * 1969-04-14 1973-02-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1306116A (en) * 1969-04-14 1973-02-07

Also Published As

Publication number Publication date
GB9222855D0 (en) 1992-12-16
GB9224534D0 (en) 1993-01-13
GB2272092A (en) 1994-05-04

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Legal Events

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

Effective date: 20031124