EP0234885B1 - Document portant des indices imprimés caractéristiques juxtaposés avec des filigranes caractéristiques et correspondants obtenus par impression et procédé pour obtenir ce document - Google Patents

Document portant des indices imprimés caractéristiques juxtaposés avec des filigranes caractéristiques et correspondants obtenus par impression et procédé pour obtenir ce document Download PDF

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Publication number
EP0234885B1
EP0234885B1 EP87301485A EP87301485A EP0234885B1 EP 0234885 B1 EP0234885 B1 EP 0234885B1 EP 87301485 A EP87301485 A EP 87301485A EP 87301485 A EP87301485 A EP 87301485A EP 0234885 B1 EP0234885 B1 EP 0234885B1
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EP
European Patent Office
Prior art keywords
character
characters
ink
field
string
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 - Lifetime
Application number
EP87301485A
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German (de)
English (en)
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EP0234885A3 (en
EP0234885A2 (fr
Inventor
Edmund G. Van Malderghem
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.)
Moore Business Forms Inc
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Moore Business Forms Inc
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Publication date
Application filed by Moore Business Forms Inc filed Critical Moore Business Forms Inc
Priority to AT87301485T priority Critical patent/ATE62628T1/de
Publication of EP0234885A2 publication Critical patent/EP0234885A2/fr
Publication of EP0234885A3 publication Critical patent/EP0234885A3/en
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Publication of EP0234885B1 publication Critical patent/EP0234885B1/fr
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M1/00—Inking and printing with a printer's forme
    • B41M1/26—Printing on other surfaces than ordinary paper
    • B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
    • 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

Definitions

  • British Specification No 1489084 discloses a method of producing a simulated watermark in a paper sheet wherein the sheet is impregnated by a transparentising composition which is itself fluent and which is polymerisable upon being activated by radiation to yield an insoluble resin matrix having a refractive index approximating to that of the paper and the composition is cured in situ by irradiating the sheet with activating radiation.
  • French Specification No 2023814 (British Specification No 1286309) describes a security document bearing a stereoscopic picture of which at least one half of the picture being a true watermark or an artificial watermark.
  • UK Patent Specification No 2159463 describes continuous computer stationery having a watermark with a conventional ink imprinting in register with the watermark.
  • British Specification No 2076337 describes an identification card having at least two layers laminated together with at least two partly overlapping monochromatic printed images which overlap printed on the layers.
  • synthetic watermark is used herein to denote a watermark which is produced in situ on paper mainly with the aid of a chemical and radiation process, in contrast to its being created in the paper by mechanical means as a pattern of local thickness discontinuity during manufacture of the paper from pulped fibers.
  • serial number is used herein to denote the unique string of indicia (characters) which is applied to a document in order to distinguish that document, both from ones that are otherwise identical but have applied indica series which differ as to at least one indicium (character) and from ones which are not genuine. Use of the term is not intended to imply that the string of indicia consists either partly or wholly of numbers; in other words, a "serial number” as that term is used herein may include any combination of numbers, letters, punctuation marks and specialized symbols. Falling within this definition, in addition to conventional serial number, are amounts, names and combinations thereof.
  • a series of documents printed on paper each being provided with a unique serial number includes;
  • the invention concerns a method for providing each document of a series of paper documents with a serial number which includes at least one said character in at least one field is stepped in identity on successive documents in the series.
  • both a synthetic watermark serial number and a conventionally printed serial number are provided on each document in a set of documents. Each document is thus made to be different from all of the others in the set as well as from documents not in the set.
  • the synthetic watermark serial number is the same as, but is applied in a larger typeface than the conventionally printed serial number, with each character of the latter being centered within the corresponding character of the former.
  • the method of the invention is shown being carried out on a web comprising a series of successive paper documents at a stage of document manufacture, the web being conventionally advanced by engagement of tension pull rolls with the web.
  • the opposite marginal series of holes which may later be used for advancing the web using conventional drive sprockets engaged therein are not formed in the web until a later stage, although they could be provided earlier and used at this stage for web advancement.
  • a sheet or document of paper 12 in a series of such sheets or documents 14 is imprinted with a first string of characters 16, of which at least one preferably is different for each successive sheet in the series, so that the string of characters 16 imprinted on each sheet taken as a whole string provides a synthetic watermark field and is unique and thus capable of functioning as a serial number uniquely identifying that particular sheet.
  • the fluid material used for the imprinting is not like an ink, in the sense that it does not use a solution or suspension of pigment applied in a visible pattern which contrasts in colour, chroma, hue or brilliance with the colour of the paper substrate constituting the sheets or documents 14.
  • fluid material is a composition which, when dried or cured, eg at a subsequent curing station 18, which may include the application of photons of a particular band of energy levels to constitute a radiation process and the application of air drying with or without added heat, causes the paper or document to sharply differ in degree of relative translucence where imprinted in comparison with its degree of translucence where not so imprinted.
  • the pattern may either be one in which the imprinted characters, when a sheet of the paper is viewed from the front with strong back-lighting, constitute a regional pattern where the paper is more translucent than the non-imprinted remainder of the sheet, or partly more translucent and partly less translucent.
  • each sheet of paper is imprinted with a pigmented ink so that each bears a second string of characters 22, illustrated in full lines, of which at least one preferably is different for each successive sheet or document in the series, so that the string of characters 22 imprinted on each sheet taken as a whole string comprises an ink impregnated field which is unique and thus capable of functioning as a serial number for uniquely identifying that particular sheet or document.
  • both strings of characters on each document be printed on the same line, the principles of the invention can be practised even if the two strings of characters are provided on lines which adjoin one another or bear some other predetermined relationship.
  • At least one of the characters of the first string 16 applied and developed as a synthetic watermark at stations 10, 18 is juxtaposed with at least one of the characters of the second string 22 applied as a contrasting-colour serial number at station 20.
  • the corresponding two characters may be alike and superimposed so that one of them skirts the perimeter of the other about all of or a substantial part of that perimeter.
  • the contrasting color-imprinted second series has a segment which reads "... *1 E, *0 D, *9 D, *8 D, *7 D, *6 D.".
  • the typefont used for producing the synthetic watermark serial number is similar to but larger-charactered than that used for producing the contrasting color-imprinted serial number, so that if the resulting documents D are held up to the light, they are seen to be successively read "...*1BE, *0BD, *9BD, *8BD, *7AD, *6AD,", in which the characters "*" of the synthetic watermark-type first strings appear to halo 26 (border, permetrically surround) like characters "*" 28 imprinted with ink in the second series.
  • the comparable situation is true for the corresponding second character, A, in each of the two strings.
  • the examiner can conveniently look for the fact that the "*" in the first character position of the synthetic watermark “halos” the "*" of the ink-printed serial number, for the fact that the "...1, 0, 9, 8, 7, 6," in the second character position of the synthetic watermark “halos” the respective "...1, 0, 9, 8, 7, 6," in the second character position of the ink-printed serial number, for the fact that the synthetic watermark character "...,B, B, B, B, A, A," in the third character position corresponds to a no imprinted space in the third character position of the ink-printed serial number, and for the fact that no synthetic watermark character appears in the fourth position, where the ink imprinted serial number has a character "...,E, D, D, D, D, D, --
  • the examiner can be looking for completeness of the serial number (e.g. that it reads *6AD"), the examiner can be looking for lack of alteration of the serial number (e.g. that the "*6" of the synthetic watermark both "halos” an "*6” of the ink-imprinted serial number) and that the juxtaposition is characteristic of a genuine one (e.g.
  • the examiner which performs the examination referred to in connection with the above discussion can be but need not be a human, in that the system provided by the invention lends itself easily to rapid and reliable routine examination of large numbers of documents by light-sensitive electronic instruments, e.g. sets of photo-electric cells in sensor circuits programmed to look for and distinguish presence and absence of correspondence with characteristic features of the particular code adopted.
  • light-sensitive electronic instruments e.g. sets of photo-electric cells in sensor circuits programmed to look for and distinguish presence and absence of correspondence with characteristic features of the particular code adopted.
  • Registration systems used in printing. processes are well-known and may be used in a conventional manner for providing proper juxtaposition of the two strings of characters on each document. Because these techniques are so well known in the trade, it is believed unnecessary to describe them in further detail.
  • the devices used for stepping-up the serial number from document to document may be any convenient ones of such devices as are presently commercially available for serial numbering of documents, e.g. ones in which the serial numbering is stepped manually by rotating endless rubber mats of reverse characters as on a hand-operated date-stamper, ones in which the serial number is automatically mechanically stepped using a series of cams, pawls, ratchets and cam followers operating endless wheels or bands of reverse characters, or ones in which serial number stepping is electronically programmed, e.g. into the controller for a daisy wheel or ink-jet printer.

Claims (8)

1. Série de documents (12) imprimés sur papier, pourvus chacun d'un numéro de série unique, qui comprend:
un premier caractère (16) réalisé sous forme d'un champ de filigrane synthétique dans lequel la transparence relative, mais non pas la couleur du papier forme un contraste, et
un second caractère (22) réalisé sous forme d'un champ imprimé à l'encre, dans lequel la couleur du papier forme un contraste,
caractérisée en ce que le premier caractère est constitué par une première chaîne de caractères (16) préparée par application sur la surface du papier d'une composition chimique qui est ensuite traitée par un processus d'irradiation pour fixer la première chaîne de caractères (16) et
en ce que le second caractère est constitué par une seconde chaîne de caractères, et dans laquelle au moins un caractère du champ de filigrane synthétique (16) est réalisé de façon à présenter une juxtaposition relative caractéristique avec un au moins un caractère du champ imprimé à l'encre (22) pour entourer au moins partiellement un caractère respectif dans ledit champ imprimé à l'encre.
2. Série de documents suivant la revendication 1, dans laquelle:
au moins un caractère de la chaîne de caractères dans le champ de filigrane synthétique (16) qui entoure au moins partiellement au moins un caractère de la seconde chaîne de caractères dans le champ imprimé à l'encre (22) est une reproduction du même caractère, de manière que ledit caractère dans le champ imprimé à l'encre (22) soit entouré par un halo formé par le caractère du champ de filigrane synthétique (16).
3. Série de documents suivant la revendication 1, dans laquelle:
le premier caractère de la chaîne de caractères dans le champ de filigrane synthétique (16) est, de façon caractéristique, adjacent à au moins un caractère de la seconde chaîne de caractères dans le champ imprimé à l'encre (22), mais sans recouvrement de celui-ci.
4. Série de documents suivant l'une quelconque des revendications 1, 2 ou 3, dans laquelle:
les chaînes de caractères (16, 22) sont formées sur chaque document sur une ligne commune aux deux types de caractères (16, 22).
5. Document suivant l'une quelconque des revendications précédentes, dans lequel:
au moins un caractère (16, 22) dans au moins l'un des champs est prévu dans un intervalle dans l'autre champ correspondant.
6. Procédé pour appliquer un numéro de série sur chaque document (12) d'une série de documents en papier (14) telle que définie suivant la revendication 1, qui comprend:
l'impression sur chaque document d'un premier caractère (16) sous forme d'un champ de filigrane synthétique dans lequel la transparence, mais non pas la couleur du papier forme un contraste: et
l'impression sur chaque document d'un second caractère (22) sous forme d'un champ imprimé à l'encre dans lequel la couleur du papier forme un contraste, caractérisé en ce que le premier caractère est constitué par une première chaîne de caractères (16) préparée par application sur la surface du papier d'une composition chimique qui est ensuite traitée par un processus d'irradiation (18) pour fixer la première chaîne de caractères (16), et en ce que le second caractère est constitué par une seconde chaîne de caractères et
dans lequel au moins un caractère du champ de filigrane synthétique (16) est réalisé de manière à présenter une juxtaposition relative caractéristique avec au moins un caractère dans ledit champ imprimé à l'encre (22) pour entourer au moins partiellement au moins un caractère respectif du champ imprimé à l'encre (22).
7. Procédé suivant la revendication 6, caractérisé en ce que:
au moins l'identité de l'un desdits caractères dans au moins un champ, est changée pas à pas sur les documents successifs dans la série.
8. Procédé suivant la revendication 7, en combinaison avec l'une quelconque des caractéristiques de l'une quelconque des revendications 2 à 5.
EP87301485A 1986-02-24 1987-02-20 Document portant des indices imprimés caractéristiques juxtaposés avec des filigranes caractéristiques et correspondants obtenus par impression et procédé pour obtenir ce document Expired - Lifetime EP0234885B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87301485T ATE62628T1 (de) 1986-02-24 1987-02-20 Dokument, das charakteristische, durch druck erzeugte, nebeneinander gelegene tintenindizes mit dazugehoerigen charakteristischen wasserzeichen aufweist und methode zu dessen herstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83222586A 1986-02-24 1986-02-24
US832225 1986-02-24

Publications (3)

Publication Number Publication Date
EP0234885A2 EP0234885A2 (fr) 1987-09-02
EP0234885A3 EP0234885A3 (en) 1988-02-10
EP0234885B1 true EP0234885B1 (fr) 1991-04-17

Family

ID=25261038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87301485A Expired - Lifetime EP0234885B1 (fr) 1986-02-24 1987-02-20 Document portant des indices imprimés caractéristiques juxtaposés avec des filigranes caractéristiques et correspondants obtenus par impression et procédé pour obtenir ce document

Country Status (16)

Country Link
EP (1) EP0234885B1 (fr)
JP (1) JPH0764146B2 (fr)
AT (1) ATE62628T1 (fr)
AU (1) AU587107B2 (fr)
CA (1) CA1279670C (fr)
DE (1) DE3769330D1 (fr)
DK (1) DK94187A (fr)
ES (1) ES2022326B3 (fr)
FI (1) FI870754A (fr)
GR (1) GR3001815T3 (fr)
MW (1) MW1287A1 (fr)
NO (1) NO870730L (fr)
PT (1) PT84352B (fr)
ZA (1) ZA871104B (fr)
ZM (1) ZM1987A1 (fr)
ZW (1) ZW3287A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6285776B1 (en) 1994-10-21 2001-09-04 Digimarc Corporation Methods for identifying equipment used in counterfeiting
US7286684B2 (en) 1994-03-17 2007-10-23 Digimarc Corporation Secure document design carrying auxiliary machine readable information

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2675428B1 (fr) * 1991-04-18 1993-08-27 Banque De France Document fiduciaire ou de securite presentant un graphisle imprime et des signes de securite.
GB2264672B (en) * 1992-03-04 1995-06-28 Tsi Design Improvements in or relating to a method of producing paper with a simulated watermark
AU4833293A (en) * 1992-10-01 1994-04-26 Clare Patents Limited Watermarking apparatus
GB2282611B (en) * 1993-09-27 1997-01-29 Portals Ltd Improvement in security features for paper
GB2283026B (en) * 1993-09-30 1997-01-08 Portals Ltd Improvement in security features for paper
US5768426A (en) 1993-11-18 1998-06-16 Digimarc Corporation Graphics processing system employing embedded code signals
US5748763A (en) * 1993-11-18 1998-05-05 Digimarc Corporation Image steganography system featuring perceptually adaptive and globally scalable signal embedding
US6345104B1 (en) 1994-03-17 2002-02-05 Digimarc Corporation Digital watermarks and methods for security documents
US6421070B1 (en) 1996-11-12 2002-07-16 Digimarc Corporation Smart images and image bookmarking for an internet browser
US7685426B2 (en) 1996-05-07 2010-03-23 Digimarc Corporation Managing and indexing content on a network with image bookmarks and digital watermarks
US6334678B1 (en) * 1999-09-01 2002-01-01 International Paper Company Method for applying chemical watermarks on substrate
US6996252B2 (en) * 2000-04-19 2006-02-07 Digimarc Corporation Low visibility watermark using time decay fluorescence
US7213757B2 (en) 2001-08-31 2007-05-08 Digimarc Corporation Emerging security features for identification documents
US20070268511A1 (en) * 2006-05-19 2007-11-22 Eastman Kodak Company Secure document printing
CN102689536B (zh) * 2012-05-30 2014-06-11 成都印钞有限公司 一种水印与印刷套合生产工艺及其生产装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2023814A1 (fr) * 1968-11-21 1970-08-21 Kufferath Antonius
AU488652B2 (en) * 1973-09-26 1976-04-01 Commonwealth Scientific And Industrial Research Organisation Improvements in or relating to security tokens
DE2901150C2 (de) * 1979-01-12 1981-02-19 Gao Gesellschaft Fuer Automation Und Organisation Mbh, 8000 Muenchen Ausweiskarte mit im Auf- und Durchlicht prüf baren Echtheitsmerkmalen und Verfahren zu ihrer Herstellung
DE3018485C2 (de) * 1980-05-14 1982-02-11 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Ausweiskarte mit im Auf- und Durchlicht prüfbaren Echtheitsmerkmalen
GB8413922D0 (en) * 1984-05-31 1984-07-04 Continu Forms Holdings Plc Paper with watermark effect

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7286684B2 (en) 1994-03-17 2007-10-23 Digimarc Corporation Secure document design carrying auxiliary machine readable information
US6285776B1 (en) 1994-10-21 2001-09-04 Digimarc Corporation Methods for identifying equipment used in counterfeiting
US6771796B2 (en) 1994-10-21 2004-08-03 Digimarc Corporation Methods for identifying equipment used in counterfeiting
US6754377B2 (en) 1995-05-08 2004-06-22 Digimarc Corporation Methods and systems for marking printed documents
US7991182B2 (en) 1995-05-08 2011-08-02 Digimarc Corporation Methods for steganographic encoding media

Also Published As

Publication number Publication date
CA1279670C (fr) 1991-01-29
AU6915987A (en) 1987-08-27
ZM1987A1 (en) 1988-03-28
PT84352A (en) 1987-03-01
EP0234885A3 (en) 1988-02-10
PT84352B (pt) 1989-09-14
ES2022326B3 (es) 1991-12-01
DE3769330D1 (de) 1991-05-23
GR3001815T3 (en) 1992-11-23
JPH0764146B2 (ja) 1995-07-12
MW1287A1 (en) 1987-12-09
EP0234885A2 (fr) 1987-09-02
FI870754A0 (fi) 1987-02-23
DK94187D0 (da) 1987-02-24
FI870754A (fi) 1987-08-25
DK94187A (da) 1987-08-25
ZA871104B (en) 1987-11-25
NO870730D0 (no) 1987-02-23
NO870730L (no) 1987-08-25
AU587107B2 (en) 1989-08-03
JPS62231780A (ja) 1987-10-12
ATE62628T1 (de) 1991-05-15
ZW3287A1 (en) 1988-09-07

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