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GB1512018A - Inhibiting forgery - Google Patents

Inhibiting forgery

Info

Publication number
GB1512018A
GB1512018A GB3783174A GB3783174A GB1512018A GB 1512018 A GB1512018 A GB 1512018A GB 3783174 A GB3783174 A GB 3783174A GB 3783174 A GB3783174 A GB 3783174A GB 1512018 A GB1512018 A GB 1512018A
Authority
GB
United Kingdom
Prior art keywords
viewed
forgery
inhibiting
inks
different
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
GB3783174A
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.)
Bradbury Wilkinson & Co
Original Assignee
Bradbury Wilkinson & Co
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 Bradbury Wilkinson & Co filed Critical Bradbury Wilkinson & Co
Priority to GB3783174A priority Critical patent/GB1512018A/en
Publication of GB1512018A publication Critical patent/GB1512018A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/14—Security printing

Landscapes

  • Credit Cards Or The Like (AREA)

Abstract

1512018 Credit cards and the like BRADBURY WILKINSON & CO Ltd 3 July 1975 [29 Aug 1974] 37831/74 Heading B6A A security document is printed with two different inks which, when viewed with the naked eye appear to have either same or contrasting colours and, when viewed through a suitable filter, for verification, show either a contrast or a different contrast respectively. The inks may form a two colour design of fine lines.
GB3783174A 1975-07-03 1975-07-03 Inhibiting forgery Expired GB1512018A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3783174A GB1512018A (en) 1975-07-03 1975-07-03 Inhibiting forgery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3783174A GB1512018A (en) 1975-07-03 1975-07-03 Inhibiting forgery

Publications (1)

Publication Number Publication Date
GB1512018A true GB1512018A (en) 1978-05-24

Family

ID=10399312

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3783174A Expired GB1512018A (en) 1975-07-03 1975-07-03 Inhibiting forgery

Country Status (1)

Country Link
GB (1) GB1512018A (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4824144A (en) * 1987-04-10 1989-04-25 Tasma Gerald W Color identification system
EP0265893A3 (en) * 1986-10-27 1989-12-20 Diamond Publishing Toy sticker collection album and collectible stickers therefor
GB2240947A (en) * 1990-02-20 1991-08-21 Aco Electronics Limited Authentification of documents with luminescent security features
GB2305770A (en) * 1995-05-18 1997-04-16 David Gifford Burder System for revealing a hidden message
GB2311904A (en) * 1996-04-02 1997-10-08 British Broadcasting Corp Selectively transmitting information within a colour video signal
US5841528A (en) * 1994-05-09 1998-11-24 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Anti counterfeit apparatus
FR2764314A1 (en) * 1997-06-09 1998-12-11 Arjo Wiggins Sa Security document with integrated authentication system
EP0930979A4 (en) * 1996-10-10 2000-01-12 Securency Pty Ltd SELF-VERIFICATION SAFETY DOCUMENTS
WO2007091094A1 (en) * 2006-02-10 2007-08-16 Inovink Limited Improvements in and relating to printing
US7488002B2 (en) 1998-07-02 2009-02-10 Securency Pty Limited Security and/or value document
DE19729918B4 (en) * 1997-07-04 2010-07-01 Securency International Pty Ltd., Craigieburn Security and / or value document
CN101003241B (en) * 2006-10-11 2010-08-25 中国印钞造币总公司 Confidential marker on anti false information carrier, test method, and test equipment
EP2367695B1 (en) 2008-12-23 2016-03-02 Arjowiggins Security Security document comprising at least one combined image and a revelation means, and associated method

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0265893A3 (en) * 1986-10-27 1989-12-20 Diamond Publishing Toy sticker collection album and collectible stickers therefor
US4824144A (en) * 1987-04-10 1989-04-25 Tasma Gerald W Color identification system
GB2240947A (en) * 1990-02-20 1991-08-21 Aco Electronics Limited Authentification of documents with luminescent security features
US5841528A (en) * 1994-05-09 1998-11-24 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Anti counterfeit apparatus
GB2305770A (en) * 1995-05-18 1997-04-16 David Gifford Burder System for revealing a hidden message
GB2305770B (en) * 1995-05-18 1999-05-19 David Gifford Burder Hidden message using television as a decoder
GB2311904A (en) * 1996-04-02 1997-10-08 British Broadcasting Corp Selectively transmitting information within a colour video signal
EP0930979B2 (en) † 1996-10-10 2013-08-07 Innovia Security Pty Ltd Self-verifying security documents
EP0930979A4 (en) * 1996-10-10 2000-01-12 Securency Pty Ltd SELF-VERIFICATION SAFETY DOCUMENTS
US6273473B1 (en) 1996-10-10 2001-08-14 Securency Pty Ltd Self-verifying security documents
JP3222475B2 (en) 1996-10-10 2001-10-29 セキュレンシィ プロプライアタリー リミティド Self-certified securities
EP1147912A3 (en) * 1996-10-10 2001-11-07 Securency Pty. Ltd. Security documents incorporating verification means
US6467810B2 (en) 1996-10-10 2002-10-22 Securency Pty Ltd Self-verifying security documents
US6761377B2 (en) 1996-10-10 2004-07-13 Securency Pty Ltd Self-verifying security documents
US7040664B2 (en) 1996-10-10 2006-05-09 Securency Pty Ltd Self-verifying security documents
FR2764314A1 (en) * 1997-06-09 1998-12-11 Arjo Wiggins Sa Security document with integrated authentication system
DE19729918B4 (en) * 1997-07-04 2010-07-01 Securency International Pty Ltd., Craigieburn Security and / or value document
DE19758856B4 (en) * 1997-07-04 2010-08-05 Securency International Pty Ltd., Craigieburn Security and / or value document and method for verifying a security and / or value document
US7488002B2 (en) 1998-07-02 2009-02-10 Securency Pty Limited Security and/or value document
RU2430423C2 (en) * 2006-02-10 2011-09-27 Айновинк Лимитед Article having protective image, production method thereof, use of compounds therein and authentication method
AU2007213530B2 (en) * 2006-02-10 2013-07-11 Inovink Limited Improvements in and relating to printing
WO2007091094A1 (en) * 2006-02-10 2007-08-16 Inovink Limited Improvements in and relating to printing
US9358578B2 (en) 2006-02-10 2016-06-07 Inovink Limited Printing
CN101003241B (en) * 2006-10-11 2010-08-25 中国印钞造币总公司 Confidential marker on anti false information carrier, test method, and test equipment
EP2367695B1 (en) 2008-12-23 2016-03-02 Arjowiggins Security Security document comprising at least one combined image and a revelation means, and associated method

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920703