GB2317448B - Anticounterfeiting method - Google Patents

Anticounterfeiting method

Info

Publication number
GB2317448B
GB2317448B GB9725917A GB9725917A GB2317448B GB 2317448 B GB2317448 B GB 2317448B GB 9725917 A GB9725917 A GB 9725917A GB 9725917 A GB9725917 A GB 9725917A GB 2317448 B GB2317448 B GB 2317448B
Authority
GB
United Kingdom
Prior art keywords
anticounterfeiting
anticounterfeiting method
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
GB9725917A
Other versions
GB9725917D0 (en
GB2317448A (en
Inventor
Keith Loder Lewis
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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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
Priority claimed from GBGB9512698.3A external-priority patent/GB9512698D0/en
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB9725917A priority Critical patent/GB2317448B/en
Publication of GB9725917D0 publication Critical patent/GB9725917D0/en
Publication of GB2317448A publication Critical patent/GB2317448A/en
Application granted granted Critical
Publication of GB2317448B publication Critical patent/GB2317448B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/145—Illumination specially adapted for pattern recognition, e.g. using gratings

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
GB9725917A 1995-06-22 1996-06-19 Anticounterfeiting method Expired - Fee Related GB2317448B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9725917A GB2317448B (en) 1995-06-22 1996-06-19 Anticounterfeiting method

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9512698.3A GB9512698D0 (en) 1995-06-22 1995-06-22 Anticounterfeiting method
GB9725917A GB2317448B (en) 1995-06-22 1996-06-19 Anticounterfeiting method
PCT/GB1996/001469 WO1997001156A1 (en) 1995-06-22 1996-06-19 Anticounterfeiting method

Publications (3)

Publication Number Publication Date
GB9725917D0 GB9725917D0 (en) 1998-02-04
GB2317448A GB2317448A (en) 1998-03-25
GB2317448B true GB2317448B (en) 1999-10-27

Family

ID=26307264

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9725917A Expired - Fee Related GB2317448B (en) 1995-06-22 1996-06-19 Anticounterfeiting method

Country Status (1)

Country Link
GB (1) GB2317448B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359633A (en) * 1980-10-28 1982-11-16 Bianco James S Spectrally-limited bar-code label and identification card
GB2113421A (en) * 1981-07-20 1983-08-03 Rca Corp Diffractive substractive color filter responsive to angle of incidence of polychromatic illuminating light
EP0253089A1 (en) * 1986-07-10 1988-01-20 Landis & Gyr Betriebs AG Multi-layer document
US4824144A (en) * 1987-04-10 1989-04-25 Tasma Gerald W Color identification system
EP0407005A1 (en) * 1989-06-10 1991-01-09 THORN EMI plc Verification device for a security system
WO1994013489A1 (en) * 1992-12-11 1994-06-23 Basf Aktiengesellschaft Use of interference pigments in the manufacture of forgery-proof securities
GB2302308A (en) * 1994-05-09 1997-01-15 Secr Defence Anti counterfeit apparatus

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359633A (en) * 1980-10-28 1982-11-16 Bianco James S Spectrally-limited bar-code label and identification card
GB2113421A (en) * 1981-07-20 1983-08-03 Rca Corp Diffractive substractive color filter responsive to angle of incidence of polychromatic illuminating light
EP0253089A1 (en) * 1986-07-10 1988-01-20 Landis & Gyr Betriebs AG Multi-layer document
US4824144A (en) * 1987-04-10 1989-04-25 Tasma Gerald W Color identification system
EP0407005A1 (en) * 1989-06-10 1991-01-09 THORN EMI plc Verification device for a security system
WO1994013489A1 (en) * 1992-12-11 1994-06-23 Basf Aktiengesellschaft Use of interference pigments in the manufacture of forgery-proof securities
GB2302308A (en) * 1994-05-09 1997-01-15 Secr Defence Anti counterfeit apparatus

Also Published As

Publication number Publication date
GB9725917D0 (en) 1998-02-04
GB2317448A (en) 1998-03-25

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20040619