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GB9323352D0 - Security documents and the like device - Google Patents

Security documents and the like device

Info

Publication number
GB9323352D0
GB9323352D0 GB9323352A GB9323352A GB9323352D0 GB 9323352 D0 GB9323352 D0 GB 9323352D0 GB 9323352 A GB9323352 A GB 9323352A GB 9323352 A GB9323352 A GB 9323352A GB 9323352 D0 GB9323352 D0 GB 9323352D0
Authority
GB
United Kingdom
Prior art keywords
security documents
documents
security
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.)
Pending
Application number
GB9323352A
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.)
De la Rue International Ltd
Original Assignee
Thomas De la Rue and Co 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 Thomas De la Rue and Co Ltd filed Critical Thomas De la Rue and Co Ltd
Priority to GB9323352A priority Critical patent/GB9323352D0/en
Publication of GB9323352D0 publication Critical patent/GB9323352D0/en
Priority to AU10304/95A priority patent/AU1030495A/en
Priority to EP95900846A priority patent/EP0728347A1/en
Priority to PCT/GB1994/002503 priority patent/WO1995013597A2/en
Pending legal-status Critical Current

Links

GB9323352A 1993-11-12 1993-11-12 Security documents and the like device Pending GB9323352D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB9323352A GB9323352D0 (en) 1993-11-12 1993-11-12 Security documents and the like device
AU10304/95A AU1030495A (en) 1993-11-12 1994-11-14 Preventing unauthorized copying of documents
EP95900846A EP0728347A1 (en) 1993-11-12 1994-11-14 Preventing unauthorized copying of documents
PCT/GB1994/002503 WO1995013597A2 (en) 1993-11-12 1994-11-14 Preventing unauthorized copying of documents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9323352A GB9323352D0 (en) 1993-11-12 1993-11-12 Security documents and the like device

Publications (1)

Publication Number Publication Date
GB9323352D0 true GB9323352D0 (en) 1994-01-05

Family

ID=10745061

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9323352A Pending GB9323352D0 (en) 1993-11-12 1993-11-12 Security documents and the like device

Country Status (4)

Country Link
EP (1) EP0728347A1 (en)
AU (1) AU1030495A (en)
GB (1) GB9323352D0 (en)
WO (1) WO1995013597A2 (en)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5449200A (en) * 1993-06-08 1995-09-12 Domtar, Inc. Security paper with color mark
US6546112B1 (en) 1993-11-18 2003-04-08 Digimarc Corporation Security document with steganographically-encoded authentication data
US6373965B1 (en) * 1994-06-24 2002-04-16 Angstrom Technologies, Inc. Apparatus and methods for authentication using partially fluorescent graphic images and OCR characters
US6728390B2 (en) 1995-05-08 2004-04-27 Digimarc Corporation Methods and systems using multiple watermarks
US7555139B2 (en) 1995-05-08 2009-06-30 Digimarc Corporation Secure documents with hidden signals, and related methods and systems
US7054462B2 (en) 1995-05-08 2006-05-30 Digimarc Corporation Inferring object status based on detected watermark data
US6850626B2 (en) 1998-01-20 2005-02-01 Digimarc Corporation Methods employing multiple watermarks
US6978036B2 (en) 1998-07-31 2005-12-20 Digimarc Corporation Tamper-resistant authentication techniques for identification documents
US7055034B1 (en) 1998-09-25 2006-05-30 Digimarc Corporation Method and apparatus for robust embedded data
ATE289435T1 (en) 1998-11-19 2005-03-15 Digimarc Corp PRINTING AND VERIFICATION OF SELF-CHECKING SECURITY DOCUMENTS
GB9901522D0 (en) * 1999-01-26 1999-03-17 Bank Of England Substrates for printing
GB9901523D0 (en) * 1999-01-26 1999-03-17 Bank Of England Printing of security documents
UA61924C2 (en) * 1999-03-20 2003-12-15 Method for producing printed production for prize drawing
US7633651B2 (en) 2000-03-14 2009-12-15 Dexrad (Proprietary) Limited Generating a non-reproducible printed image
US6912295B2 (en) 2000-04-19 2005-06-28 Digimarc Corporation Enhancing embedding of out-of-phase signals
US6996252B2 (en) * 2000-04-19 2006-02-07 Digimarc Corporation Low visibility watermark using time decay fluorescence
US7027614B2 (en) 2000-04-19 2006-04-11 Digimarc Corporation Hiding information to reduce or offset perceptible artifacts
US7738673B2 (en) 2000-04-19 2010-06-15 Digimarc Corporation Low visible digital watermarks
US6891959B2 (en) 2000-04-19 2005-05-10 Digimarc Corporation Hiding information out-of-phase in color channels
US7305104B2 (en) 2000-04-21 2007-12-04 Digimarc Corporation Authentication of identification documents using digital watermarks
US7346184B1 (en) 2000-05-02 2008-03-18 Digimarc Corporation Processing methods combining multiple frames of image data
GB2370349A (en) * 2000-12-19 2002-06-26 Innovision Res And Technology Information providing apparatus such as a question and answer game
US7537170B2 (en) 2001-08-31 2009-05-26 Digimarc Corporation Machine-readable security features for printed objects
US7213757B2 (en) 2001-08-31 2007-05-08 Digimarc Corporation Emerging security features for identification documents
JP3544536B2 (en) 2001-10-30 2004-07-21 独立行政法人 国立印刷局 Halftone printed matter and printing method thereof
AU2003221894A1 (en) 2002-04-09 2003-10-27 Digimarc Id Systems, Llc Image processing techniques for printing identification cards and documents
US7974495B2 (en) 2002-06-10 2011-07-05 Digimarc Corporation Identification and protection of video
JP2004164551A (en) 2002-06-24 2004-06-10 Ricoh Co Ltd Data recording body, recording medium reader and recording medium reading method
EP1380982A1 (en) 2002-07-08 2004-01-14 Sicpa Holding S.A. Method and device for coding articles
GB0228303D0 (en) † 2002-12-04 2003-01-08 Rue De Int Ltd Security device and method
DE10346630A1 (en) * 2003-10-08 2005-05-04 Giesecke & Devrient Gmbh value document
NL1027282C2 (en) * 2004-10-18 2006-04-19 Konink Joh Enschede B V Security characteristics can be incorporated in banknote, valuable document or one for payment purposes and involves first and second patterns with their constituents
CA2614308A1 (en) 2005-07-04 2007-01-11 International Business Machines Corporation System, method and program for generating data for printing invisible information, and method for manufacturing physical medium whereupon invisible information is printed
KR100771133B1 (en) * 2005-09-02 2007-10-30 삼성전자주식회사 Image Forming Apparatus and Its Copying Method
US7676058B2 (en) 2006-08-11 2010-03-09 Xerox Corporation System and method for detection of miniature security marks
CA2669960C (en) * 2006-12-21 2015-05-26 International Business Machines Corporation Method and system for obtaining parameter for simulation in invisible code printing support system
GB2460716B (en) * 2008-06-10 2012-10-10 Security Print Solutions Ltd Hiding information on a document for use in validation
US8199969B2 (en) 2008-12-17 2012-06-12 Digimarc Corporation Out of phase digital watermarking in two chrominance directions
US9117268B2 (en) 2008-12-17 2015-08-25 Digimarc Corporation Out of phase digital watermarking in two chrominance directions
AP3723A (en) * 2009-12-14 2016-06-30 Security Print Solutions Ltd Hiding information on a document for use in validation
GB201222813D0 (en) 2012-12-18 2013-01-30 Rue De Int Ltd Security device
EP3342601B1 (en) * 2017-01-02 2019-03-27 Polska Wytwornia Papierow Wartosciowych S.A. A security document

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1534403A (en) * 1977-09-21 1978-12-06 Rue & Co Ltd T De Security documents
JPS58109989A (en) * 1981-12-24 1983-06-30 株式会社東芝 Discriminator for printed matter
US4603970A (en) * 1982-07-09 1986-08-05 Fuji Xerox Co., Ltd. Apparatus for inhibiting copying of confidential documents
US4526466A (en) * 1983-09-01 1985-07-02 Rca Corporation Technique for verifying genuineness of authenticating device
GB8725034D0 (en) * 1987-10-26 1987-12-02 De La Rue Syst Detecting inks
EP0342060B1 (en) * 1988-05-13 1994-08-17 Canon Kabushiki Kaisha Image processing apparatus
IT1250847B (en) * 1991-10-15 1995-04-21 Urmet Spa BANKNOTE VALIDATION APPARATUS
EP0543058A1 (en) * 1991-11-21 1993-05-26 Klaus Henning Dipl.-Ing. Steiger Forged money detector
EP0553402B1 (en) * 1992-01-31 1997-06-18 Mars, Incorporated Device for the classification of a pattern, in particular of a currency note or a coin
DE4227613A1 (en) * 1992-08-20 1994-02-24 Gao Ges Automation Org Method and device for recognizing printed images on documents
DE69329449T2 (en) * 1993-01-01 2001-03-08 Canon Kk Image processing device and method

Also Published As

Publication number Publication date
WO1995013597A3 (en) 1995-09-28
EP0728347A1 (en) 1996-08-28
WO1995013597A2 (en) 1995-05-18
AU1030495A (en) 1995-05-29

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