EP3160756B1 - Jeu de documents servant à transmettre en toute sécurité par rapport à d'éventuelles actions de surveillance illicite des données et procédé de production - Google Patents

Jeu de documents servant à transmettre en toute sécurité par rapport à d'éventuelles actions de surveillance illicite des données et procédé de production Download PDF

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Publication number
EP3160756B1
EP3160756B1 EP15731293.5A EP15731293A EP3160756B1 EP 3160756 B1 EP3160756 B1 EP 3160756B1 EP 15731293 A EP15731293 A EP 15731293A EP 3160756 B1 EP3160756 B1 EP 3160756B1
Authority
EP
European Patent Office
Prior art keywords
pattern
sheet
patterns
scrambling
documents
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.)
Active
Application number
EP15731293.5A
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German (de)
English (en)
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EP3160756A1 (fr
Inventor
Günther Galfe
Jan Vorbrüggen
Roland Grötzner
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.)
Schreiner Group GmbH and Co KG
Original Assignee
Schreiner Group GmbH and Co KG
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Filing date
Publication date
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Publication of EP3160756A1 publication Critical patent/EP3160756A1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/45—Associating two or more layers
    • B42D25/465—Associating two or more layers using chemicals or adhesives
    • B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D15/00—Printed matter of special format or style not otherwise provided for
    • B42D15/0073—Printed matter of special format or style not otherwise provided for characterised by shape or material of the sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D15/00—Printed matter of special format or style not otherwise provided for
    • B42D15/02—Postcards; Greeting, menu, business or like cards; Letter cards or letter-sheets
    • B42D15/025—Postcards; Greeting, menu, business or like cards; Letter cards or letter-sheets with peel-away layer hiding information
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/351—Translucent or partly translucent parts, e.g. windows
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/41—Marking using electromagnetic radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/43—Marking by removal of material
    • B42D25/435—Marking by removal of material using electromagnetic radiation, e.g. laser
    • 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

  • the invention relates to a set of documents for spurious-proof transmission of data.
  • the invention further relates to a method for producing a set of such documents.
  • Documents or printed matters sent by post in paper form will also be accompanied by documents that convey confidential data, such as PIN numbers, passwords, encryption codes, bank card numbers and other personal and / or confidential data. Since it is security-related data, the unauthorized disclosure of which can often lead to the risk of significant damage due to misuse, it is necessary to ensure the confidentiality of this data by post between the sender and the intended recipient. In particular, the confidential data to be sent by post must be protected against unauthorized reading or spying by third parties.
  • the document with which the personal data are transmitted is transmitted overall in a sealed envelope, which has a disturbing pattern, also called a distraction pattern or concealment pattern, on at least one surface or page.
  • a disturbing pattern is, for example, a pseudo-random arrangement of printed and unprinted, especially black and white, areas which, when superimposed on the personal data, severely diminish their visibility and thus make it difficult to read as long as the sheet or envelope with the baffle pattern and the sheet
  • the confidential data lie directly on top of each other, as is the case until the letter or document is opened.
  • the document itself on which the confidential data are communicated and, for example, printed, with a disturbance pattern, for example in a field, i. a subarea where the data is printed.
  • a disturbance pattern for example in a field, i. a subarea where the data is printed.
  • a personal identification number or PIN number can be covered with a peelable or abradable coating or foil, which in turn contains the interference pattern and thus makes it difficult to read out the data even when the document is illuminated.
  • the disadvantage here is that security gaps remain, especially in the event that unauthorized third parties obtain multiple copies of one and the same mass printed matter, for example in the form of fundamentally identical letters with different data for different addressees, but uniform interference pattern. If, for example, a first, actually confidential document is stolen without authorization from the postal waste and its fault pattern is scanned in high-resolution, the unauthorized third party has a duplicate of the interference pattern of other confidential printed matter. With the help of suitable image processing software, he would be able to create a difference image between the scanned interference pattern and the fluoroscopic image of another sent document overlaid with the same interfering pattern and other confidential data. By means of electronic subtraction, the confidential data within the interference pattern could be deciphered.
  • a transparent film may be placed, which is glued only laterally at an edge outside the field to the first sheet. If the foil of such a document showing the blanking pattern under the foil is printed with the PIN, PIN or other identification numbers on the front of the foil, the identification number is not legible, as long as the first and second sheets, ie the paper sheet and the film are directly adjacent to each other and the entire document is enclosed in an envelope from the outside. Only when the letter is opened and the film is lifted off the interference pattern, the identification number becomes easily legible to the human eye.
  • a respective individual interference pattern is formed on all documents of this sentence, for example printed on it.
  • the appearance of the disturbing patterns may at first glance appear quite uniform, especially since these are often pseudo-random interference patterns anyway.
  • the formation of the interfering patterns in detail, in particular the exact arrangement of the printed and unprinted or black and white partial surfaces, is different according to the invention for each interference pattern, ie for each document of the sentence and thus individually.
  • FIG. 1 shows for a set of documents by way of example a single document in a schematic plan view.
  • the document 10 comprises at least a first sheet 11 and a second sheet 12, the first sheet 11 carrying a disturbance pattern 1 and the second sheet 2 intended for labeling with personal or otherwise confidential data 2.
  • the first sheet 11 and the second sheet 12 are in the finished state of the document to each other, but are not permanently glued together over the entire surface, but from each other partially lifted.
  • the first sheet 11 provided with the disturbance pattern 1 and the second sheet 2 provided with the confidential data 2 can be pulled apart to read the data 2 without being disturbed by the disturbance pattern 1.
  • the second sheet 12 with respect to the first sheet 11 is exposed so that the interference pattern 1 no longer hinder easy reading of the data 2.
  • the second sheet 12 lies directly on the first sheet 11 at least during the mailing.
  • the disturbance pattern 1 or a field 8 filled therewith or also the first sheet 11 occupies a total of at least that surface area in which the confidential data 2 are entered or still to be entered on the second sheet 12.
  • a document comprising at least two sheets is provided with a blanking pattern and with data, ie a whole set of such documents or printed matters can be produced, whereby each document is provided not only with individual data 2 but also with an individually formed disturbance pattern 1 is.
  • Different patterns of interference here mean the different arrangement of the pattern elements constituting the interference pattern, for example the black and white areas on the paper or the film, for example the area distribution of printed and unprinted areas relative to one another within the interference pattern 1.
  • both leaves may be different sizes or the same size, ie occupy the same area and overlap each other, for example, completely.
  • the areas on which the interference pattern 1 and the data 2 are arranged fixed may optionally be arranged on the inside or outside of the respective sheet, in which case the inside refers to that side of the sheet which faces the other sheet. It only need the data 2, the interference pattern 1 overlay optically; For this purpose, one of the sheets or even both sheets can also be formed from a transparent film.
  • the first sheet 11 is a paper sheet p, such as a normal letter paper in DIN A4 format or any other standardized format.
  • the second sheet 2 is also a sheet of paper, especially when the facing sides of both sheets 11, 12 are printed with the disturbing pattern and the data.
  • the second sheet 12 is preferably a plastic film k, namely a transparent or at least translucent plastic film to be read from the front, through which, however, first the disturbing pattern 1 of the first sheet 11 is visible, which visually with the confidential Data 2 of the front, second sheet 12 merges.
  • This embodiment has the advantage that the entire documents 10, ie the lettered or unlabeled letterhead with the pattern and the second sheet can be prepared in advance, without having to pre-already personal or other confidential data 2 must be printed on the second sheet 12. Nor do the remaining parts of the text 9, which for example make up a common cover letter, already have to be present on the first sheet. Rather, each prefabricated document or the template for this consists of two sheets 11, 12 and at least the present on the first sheet 11 Störmuster 1.
  • the second sheet 12 label the front with the confidential data 2.
  • the transparent second sheet is below the label with the confidential data 2 then directly the disturbance pattern 1 of the first sheet visible, ie the printed document is then ready to ship.
  • the baffle pattern prevents the reading of the data until the receiver lifts the second sheet 12 from the first sheet 11.
  • visible visible traces remain, for example, by serving as a second sheet 12 plastic film k at least partially formed as VOID film or at least provided with VOID areas, for example, along the circumference of the field 8 along leave visible residues on the first sheet 11 as soon as the film k is peeled off.
  • these data 2 can optionally be arranged, in particular printed, on the outside or first side 12a or the inside or second side 12b.
  • the confidential data 2 may be printed on the outside 12a of the plastic film k.
  • the confidential data 2 could also be applied to the second sheet 12 on the inner side 12b, which faces the first sheet 11, when the first and second sheets 11, 12 are already directly adjacent to each other. Although this would be more expensive than the front-side printing at the same time also the second sheet 2 from the outside, but would offer the advantage that the interference pattern 1 and the confidential data 2 at the interface between the two leaves 11, 12 are directly adjacent to each other and therefore merge even more strongly. Even with microscopic fluoroscopic means, no sharpness separation would then be possible between the confidential data and the interference pattern.
  • the first sheet of a document is not about the uppermost sheet, but that which has the disturbance pattern 1.
  • the second sheet 12 is that sheet of the document 10 which is labeled with the confidential data 2 or, in any case, is intended for later labeling with such data 2.
  • the second sheet 2 may also be a sheet lying on the first sheet, in particular upper or front sheet. It can also be the first sheet either full-surface or, as in FIG. 1 illustrated, partially cover, for example, only in the area of a smaller field 8 of the first sheet, where the interference pattern 1 is housed on the first sheet.
  • Deviating from FIG. 1 on the plastic film instead of the confidential data as well as the interference pattern can be provided, and accordingly can be provided on the letterhead or paper sheet instead of the interference pattern then the confidential data.
  • the sheet of paper then forms the second sheet because it carries the confidential data, whereas the transparent sheet forms the first and now also the front sheet, since it is provided with the disturbing pattern.
  • only the front sheet must be lifted with the interference pattern to read on the then freed surface or partial area of the second, here paper sheet the confidential data.
  • the delivery state of the document at the manufacturer to the user and later sender intended for confidential data subarea of the second, lower sheet is not directly accessible, but covered by the provided with the interference pattern and overlying first sheet, namely the plastic film.
  • the user and sender printed or attached the confidential data below the plastic film on the side facing the second sheet.
  • the interference pattern can thus be optionally formed on the outside or inside of the overlying plastic film; depending on the manufacturer's choice.
  • the personal and / or confidential data 2 which may be alphanumeric data in particular, are given by way of example as "PIN1234". These are printed on one side of the second sheet 12, which is for example a plastic film k.
  • the second sheet 12 is attachable to the first sheet 11 and is preferably mounted by the manufacturer, but at the latest by the user and sender on the first sheet. As such, when the first and second sheets are initially associated with each other, it is sufficient. in accordance with the number of documents of the entire document set in the same number of items stocked and / or individually assigned, for example, by positioning within stacks of first and second sheets for the documents to be sent or delivered 10th
  • the first sheet 11 which is provided with the interference pattern 1, for example, formed as a letterhead, in particular as a paper sheet p or at least includes such a sheet of paper.
  • the sheet of paper may already contain additional text components 9 in addition to the disturbance pattern 1, as they are typically preprinted for mass printing. However, such text components 9 as well as the confidential data 2 can also be subsequently printed.
  • the first sheet 11 has an interference pattern 1, which in the simplest case is printed on the paper sheet p itself.
  • the interference pattern 1 can be provided in a field 8 provided for this purpose, ie a surface area reserved for the interference pattern.
  • the area of the first sheet 11 or the area of the first side 11a is substantially larger than the disturbing pattern 1 and the field 8 therefor, which is covered with the second sheet 12.
  • the second sheet 12 is adhered to the first sheet 11 along one or more edges, preferably all edges of the panel 8.
  • this connection is at least partially solvable, so that within the field 8, the second sheet 12 is deducted from the first to read the confidential data 2, without that the interference pattern 1 is immediately behind it.
  • FIG. 2 shows a cross-sectional view FIG. 1 in which it can be seen how the second sheet 12 is arranged on the first sheet 11.
  • the disturbance pattern 1 is provided, preferably as printing, in a surface area which is covered by the second sheet 12 - here preferably a plastic film k.
  • the interference pattern 1 preferably consists of black and white pattern elements, which are distributed differently in the interference pattern of each of the documents 10 of the document set and therefore each result in individual, for each first sheet 11 specific interference pattern 1.
  • the plastic film k serving as the second sheet 12 is preferably transparent and colorless, so that the viewer gazes from above through the film k onto the interference pattern 1.
  • the second sheet 12 is printable on its first side 12a or second side 12b with data 2 or at least inscribable by suitable techniques.
  • the film k is printed from the outside with the personal and / or confidential data 2 to be transmitted as soon as the first sheet 11 is printed with the text components 9, for example with text components 9 for mass printing, for other cover letters or for company-specific or authority-specific forms ,
  • FIG. 2 lies the second sheet 12 on the first over the entire surface; in any case, within the field provided for the second sheet 12.
  • the second sheet 12 is fixedly connected to the first sheet 11 at at least one edge or edge region, for example glued on, as in FIG FIG. 2 in the left edge region of the interface between the two leaves 11, 12 is indicated by an oblique hatching.
  • the remaining, predominant part of the second sheet 12 is, if necessary, after removal of this or other edges, detachable from the first sheet, so that the personal data 2 and the background pattern 1 are separated from each other.
  • a VOID area can additionally be provided along the circumference or one or more edges of the second sheet 12 or its underside 12b.
  • FIG. 3 shows a further embodiment in cross-sectional view with a larger magnification than in FIG. 2 ,
  • the first sheet 11 now comprises a plurality of layers, namely an information carrier 13 and a message carrier 14.
  • the two sub-layers 13, 14 of the first sheet 11 are fixed and as far as possible inseparably connected to each other, over their entire common interface over the entire surface, as in FIG. 3 Likewise is indicated by a rough hatching.
  • the information carrier 13 may have a substantially larger area than the interference pattern carrier 14, and the interference pattern carrier 14 is, for example, only in the area of a field 8 - similar to FIG. 1 - Provided here but arranged on one side of the information carrier 13. Alternatively, however, the information carrier and the interference pattern carrier can occupy the same size areas.
  • the information carrier 13 is used in the simplest case, a sheet of paper, ie a paper sheet p as in FIG. 1 or 2 ,
  • a plastic film k 'or another paper sheet p' is used as the irregularity carrier 14, the plastic film k 'optionally being transparent or non-transparent. Preferably, it is also colorless.
  • the interference pattern 1 can be arranged, for example, on an upper side facing the second sheet 12, specifically printed there. However, it may also be arranged on the upper side of the information carrier 13 or on the underside of the interference suppression carrier 14.
  • the second sheet 12 is in turn preferably a plastic film k, the upper side or underside labeled with data 2 or labeled, in particular is printable.
  • the second sheet 12 is separable from the first sheet 11, ie here of the laminate or the double layer of the carrier layers 13, 14 or at least can be lifted off.
  • the second sheet 12 and the disturbance pattern carrier 14 need only extend over a certain surface area of the first sheet 11 or its information carrier 13, for example via the field 8, in which the individual disturbing pattern of this document 10 is arranged.
  • the first sheet 11 consists of several, although firmly interconnected partial layers
  • the second sheet 12 instead of the first can be made as such a layer composite.
  • the carrier layers 13, 14 in FIG. 3 instead of serving as a first sheet as a second sheet, ie be labeled with the confidential data, for example in the field of plastic formed layer 14.
  • this does not serve as a disturbance carrier, but as provided for the confidential data sub-layer of the lower sheet, the but now forms the second leaf.
  • FIG. 3 illustrated plastic film k then has the Function of the interference suppression carrier, ie it forms the first sheet and is to be provided with the interference pattern instead of the confidential data.
  • the structure of the document 10 could FIG. 3 otherwise be retained.
  • FIGS. 1 and 2 as well as for all the following figures.
  • only the individual interference pattern 1 of the document 10 would be formed on the uppermost plastic film k on the outside or inside, whereas the confidential data 2 would have to be written into the layer 14 of the substrate by suitable labeling techniques.
  • the document preferably comprises a carrier which is at least partially covered with a removable transparent label.
  • the carrier is for example a sheet of paper or includes such.
  • an intermediate foil such as the layer 14 in FIG. 3 , which optionally carries the interference pattern or the confidential data; for example in the form of a print.
  • This layer is then permanently and in any case, according to its definition, inseparably bound to the paper sheet; Both together form the carrier, ie the lower sheet. Only above the intermediate film is then the actual, for uncovering and trouble-free reading of the data 2 peelable film arranged. It forms a transparent label, the term "label" being used to designate the sheet which can be removed as intended.
  • both sheets or carriers can be transparent. You can then also provide the outside or bottom of the lower carrier with either the interference pattern or the confidential data.
  • FIGS. 1 to 3 may also be based on the following embodiments FIG. 4 be transmitted.
  • FIG. 4 schematically shows a set 100 of documents 10 and 10, 10 ', 10 ", 10'", ..., which are preferably mass printed matter or templates for such; in the simplest case provided with a blank pattern, but otherwise blank, blank or otherwise unprinted paper sheets.
  • each of these documents contains its own, individual interference pattern 1, 1 ', 1 ", 1'", ....
  • Each of these interference patterns is different from the interference pattern of all other documents 10, ... of the sentence 100.
  • the confidential data 2 on each of these documents are different, but also the above or below there are disturbance patterns 1, 1 ', 1 ", 1"', ....
  • Previous manipulation methods to draw conclusions by comparing several such documents try on the confidential data of such documents now go nowhere, since the interference pattern 1, 1 ', 1 ", 1'", ... of the document set 100 with each other at least in detail no longer similar.
  • FIG. 5 schematically shows an example of personal and / or confidential data 2, although here are recognizable as alphanumeric characters, but composed of graphic elements as in the simplest case, lines or strokes, which are also useful for the above or below interference pattern as a pattern element.
  • FIG. 5 is made of digital finger elements, as it is known from displays of calculators, the inscription "2HM9" recognizable. This represents, for example, a personal identification number, a password or password, a registration authorization number, account number or another type of personal and confidential data 2 that is transmitted on the second sheet 12 of one of the documents 10 of the document set 100.
  • the other documents carry at the same place other, different data 2.
  • Right and left of the data 2 is in FIG.
  • FIG. 5 another limit symbol is shown; this is not part of the data and usually does not exist; it should be in FIG. 5 merely show that by suitable arrangements of such digital finger structures and any other numbers, letters or other symbols using the same simple structures would be represented. Thus, even interference patterns can be built from such digital finger structures.
  • the confidential data 2 may also be alphanumeric characters, in particular numbers, provided in the usual notation, for example in a suitable publication.
  • the interference pattern is constructed from such characters or numbers.
  • the interference pattern 1 which is provided above or below the printed confidential data 2, formed in a manner that the confidential data 2 with the interference pattern 1 of the visual impression merge as well as possible.
  • both the confidential data 2 and the interference pattern of alphanumeric characters, such as numbers, or both consist of finger-shaped, linear or otherwise suitably designed lines, shapes, polygons, figures or other graphic two-dimensional structures.
  • the interference pattern merges even better with the confidential data, or the latter go even better in the abundance of similar pattern elements of the interference pattern.
  • the scoring security achieved by means of the different interference patterns according to the invention is thereby further increased.
  • FIG. 6 shows by way of example three interference patterns 1, 1 ', 1 ", with which a respective document 10, 10', 10" of the document set 100 is provided.
  • the document 10 is provided with the interference pattern 1, the document 10 'with the interference pattern 1' and the document 10 "with the interference pattern 1", etc.
  • the confidential data 2 is a consequence of several alphanumeric characters, in particular here Numbers, in the same font size, font, line width, font pitch, color and brightness as those of the blank pattern.
  • a further disadvantage is that a high preparation effort is required so that each individual disturbing pattern is printed only once. This also applies to the attenuation of digital printing, in which then for each individual interference pattern, i. For each document of the sentence, a new, pseudorandom interference pattern must be calculated again and finally printed.
  • a total pattern 5 are produced, which has a sufficiently large area to it accommodate a variety of glitches in the finally printed Storm pattern size, for example, provided in the field 8 label size.
  • a multiplicity of sub-areas 4 can thus be selected in order to form the respective surface section 23 of the overall pattern 5 as a respective interference pattern 1, 1 ', 1 ", 1'", To use documents of the sentence 100.
  • These surface sections 23 are each equal to each other, but filled in different ways with the pattern elements of the overall pattern 5.
  • each individual interference pattern or the label or field to be printed has a size of 35 ⁇ 44 mm has, for example, on a printing surface of 400 x 600 mm a total of 128 such Störmuster accommodate;
  • the base of all interference patterns and their orientation is normal meadow identical.
  • FIG. 7 a clear example is shown in which only 16 surface sections 23 or partial surfaces 4 of a total pattern 5 are selected for the interference patterns of the documents of the sentence.
  • the left lower corner of the overall pattern 5 is shaded at the edge to indicate the areal extent of the overall pattern 5.
  • the pattern elements are not shown; Instead, only the outlines and positions of the individual partial surfaces 4 and surface sections 23 are shown for the interference pattern.
  • the overall patterns can be arbitrarily designed, for example, from alphanumeric characters and in particular numbers, as in FIG. 6 for three exemplary interference patterns, ie partial areas is shown; from linear elements like in FIG. 5 or other graphic pattern elements.
  • pattern element does not mean such a technically feasible smallest possible pressure point, but a symbol, graphic element, letter, number, special character, circle, line, rectangle, polygon or other two-dimensional character that is clearly recognizable to the human eye which is perceptible to the human eye as a graphic symbol and from which a recognizable larger pattern, in particular a random or pseudorandom pattern, can be formed.
  • pattern elements with a black-and-white distribution or with boundary lines between black and white areas or between printed and unprinted areas are suitable here.
  • a pattern element either the printed or the unprinted surface areas or gaps between them can be used, for example, the area in the immediate vicinity filled by the printing of a single digit or of any other character enumerated above.
  • Cross-document pattern elements ie a group of pattern elements that occur more or less frequently in the jam pattern of each document of the document set, are preferably used for the jam patterns.
  • set-specific pattern elements are used. By this is meant pattern elements that are specifically selected or generated for the particular document set 100, such as finger-like digital structures as described in US Pat FIG. 5 are illustrated by the confidential data 2, or specially optimized to the visual impression of the pattern sample elements.
  • pattern characteristics such as the direction of the predominant line orientation, a certain amount of filigree, a certain unit size or preferred size can also be used to achieve a sentence-specific impression of the interference patterns the individual pattern elements or the degree of printing, ie the percentage or otherwise determined area ratio of the printed area per total area are taken into account. Also targeted deviations of the above parameters or properties or specific specifications for these parameters or at least some of them and also the dispersion of these properties over the total pattern area, ie in smaller areas compared to the total pattern area, can be used to achieve that at closer look different and individually designed Störmuster nevertheless uniform at first glance seem to be.
  • the association with the document set 100 remains recognizable even when the documents of the sentence are compared with one another and when compared with foreign documents; the respective interference patterns 1, 1 ', 1 ", ... are thus specific to this document set 100.
  • the overall pattern 5 is also specific to the document set In particular, the overall pattern 5 is further processed into glitches of the document set 100.
  • corresponding patches of the overall pattern can be selected and printed on the respective document of the sentence without the surrounding remainder of the overall pattern. Since ultimately only the desired section of the overall pattern has to be selected, the production of the interference pattern becomes more efficient and faster. However, even conventional printing techniques that cut or punch out the blank pattern motif to be printed along its circumference can be applied to the embodiments described herein.
  • the overall pattern 5 can be printed on a pattern carrier 21.
  • printing in addition to conventional printing techniques in the narrower sense of the term, where ink is printed or ink or toner is applied, any other method of discoloring the surface of the article to be printed can also be used in which brightness is changed and in particular blackened or lightened or darkened.
  • all techniques can be used with which the surface of a paper sheet, a plastic film or other material can be labeled or provided with a monochrome, two-tone or colorful image or other motif.
  • the in FIG. 7 illustrated pattern carrier 21 may be, for example, a sheet 20, in particular a paper sheet or plastic film, or alternatively a carrier web 22, ie a usually prepared as a roll and supplied printing pad.
  • a carrier web 22 ie a usually prepared as a roll and supplied printing pad.
  • This can be formed from paper, plastic or a composite of several materials, including an optional lower-side adhesive layer and a further layer or a layer composite underneath as a holding film, in particular with an upper-side release layer for peeling off the adhesive layer.
  • the pattern carrier 21 or the carrier web 22 or the sheet 20 is in the simplest case, however, only a plastic film or a paper sheet.
  • a carrier web 22 present as an endless product or a roll there is a preferred direction, for example the printing transport direction T or the longitudinal direction L, along which the carrier web 22 can be printed by a suitable printing roller or sleeve or other suitable continuous printing unit.
  • the pattern carrier 21 for the overall pattern is a sheet 20, i. is a large sheet of foil or paper, often there is a main direction of extension or preferential direction, referred to herein as the first direction x.
  • the first direction x is often great latitude to select here the surface cutouts 23 from the overall pattern 5 for the respective interference pattern.
  • the margin is often limited.
  • At least one pattern carrier 21 is printed with a total pattern 5, whereby an impression 25 of the overall pattern 5 is produced.
  • surface cutouts 23 can then be selected and these can then be cut out of the pattern carrier 21 as sections 24.
  • the separation is done for example by punching, in particular by mechanical punching or alternatively by laser punching; In the latter case, the contour lines of the partial surfaces 4 are each cut out by means of the laser beam 16 of a motor-driven or automatically moved laser punch 19, ie burned out, as shown in the example on the top right in FIG. 7 is shown.
  • a carrier web 22 is a pattern carrier 21 in the form of a roll, that is to say the material which is actually to be printed and then used as the first sheet or to be labeled thereon. It is preferably a label material that is adhesive at the bottom. Under the pattern carrier 21 or the carrier web 22 can still be arranged on the upper side non-stick coated holding film as a further background layer.
  • mechanical punching or laser punching are then preferably only the outlines of the partial surfaces 4 or interference patterns 1, 1 ', 1 ", ... are punched or burnt out at the level of the pattern carrier 21, but not the underlying holding film After removing the grid, the labels are for the interference patterns, ie the partial pieces 24 then more easily removable.
  • the pattern carrier 21 are chosen so large that a sufficient number of interference pattern, ideally the interference pattern for all documents 10 of the set 100 from the overall pattern 5 can be produced or punched out.
  • the number of documents in the document set, and accordingly the number of different patterns of interference required can be in the thousands, tens, or hundreds of thousands.
  • the variability of the interference patterns to be punched out may soon be exhausted, especially if the punch is firmly positioned.
  • the variability of the disturbance patterns ie the number of different disturbance patterns that can be produced from the overall pattern 5 without obvious pattern overlaps, can be increased by making a plurality of impressions 25a, 25b,... Instead of a single impression 25; approximately on several successive sections of a pattern carrier serving as the carrier web or on a plurality of paper sheets or plastic films.
  • the pattern variability can be increased by printing the overall pattern 5 on the next pattern carrier with a certain offset V from the previous pattern carrier in the repeated printing. Even if the positions of all stamping contours for the sections 24 remain stationary, in the subsequent impression then surface cutouts 23 displaced by the offset V from the overall pattern 5, ie from its second impression 25 b, are punched out as sections 24.
  • the punch as a whole for all to be punched out of one and the same imprint sections relative to the overall pattern imprint 25 and the next pattern carrier 21 displaced, in particular translationally offset.
  • Such an offset will be preferred at least along a first direction, for example, the print transport direction T or main extension or longitudinal direction L, set.
  • a y-offset in the width direction ie along the second direction y, can also be set.
  • the portions 24 obtained from this second and subsequent impressions, respectively have staggered pattern sub-areas of the whole pattern offset from those obtained from the first and previous pattern prints. Therefore, all the interference patterns obtained from any one of the plurality of impressions are different from each other, even if there should be overlapping overlapping between disturbing patterns or area cutouts 23 between different impressions 25 of the same overall pattern 5.
  • FIG. 7 two such partial surfaces 4 'obtained by repeated printing and translationally offset punching are shown with dashed lines, wherein the overlap 15 with the partial surface 4 of the next positioned portion 24, which was obtained from the previous impression 25, is also shown.
  • pattern carrier 21 is then provided, for example, with a first impression 25a of the overall pattern 5; the partial surfaces 4 ', which result from displacement of punch, overall pattern and / or pattern carrier in the next impression, are then not contained in the same overall pattern carrier 21 but in a further pattern carrier of the same size or punched out of it.
  • a first imprint 25a of a first overall pattern different, ie different, overall patterns can thus be used for the other imprints 25b. All embodiments in the description, the claims and the figures can thus, instead of a single overall pattern, in each case contain different overall patterns 5a, 5b, 5c,... When talking about a repeated printing. As a result, an even higher variety of different, individual interference patterns is achieved.
  • FIG. 8 shows a development in which from a pattern carrier 21, such as in another pattern carrier 21b for the impression of the same or a different overall pattern 5, for some or all interference patterns, a respective individual offset v of Stammstanzenden surface section 23 and section 24 'is set.
  • a respective individual offset v of constructivestanzenden surface section 23 and section 24 ' is set.
  • Such individual translational displacements or displacements of partial pattern surfaces only for one respective disturbance pattern 1; 1'; 1 "; ... can not be achieved with a rigid multiple punch, but here it is possible to insert an electrically controllable laser punch for cutting out or burning out the sections 24, 24 'from the respective pattern carriers 21a, 21b is controlled so that the individual offset v or vx and vy of the punched-out sections 24 'with respect to predefined unit positions is formed
  • FIG. 8 shown in dashed lines; the offset v along x and / or y can be different for each sub-area 4 '.
  • the variability of the interference patterns with otherwise constant overall pattern or constant group of overall patterns can also be increased by rotating some of the pattern carriers around their mid-perpendiculars after printing but before punching. For square pattern carriers, rotations of 90 ° or 270 ° are also possible. Furthermore, during each re-punching process for one, some or all sections of the respective pattern carrier, this pattern carrier can also be rotated by any other angle and / or moved by any amount in a certain direction. Thus, despite a uniform pressure plate an even greater variety of different interference patterns.
  • the flexographic printing for example by means of a flexographic printing press or flexographic printing plate, is mentioned here by way of example only.
  • the displacement vy, vx of the punched-out portion 24 'in the second row from the top, second column from the left shows that portion 24' opposite its original reference position 17 in the second row from the top, second column from left to left and after is shifted down, that the upper left corner of this portion 24 'comes to lie in an area corresponding to the lower right corner or at least the lower part of the right edge of the left adjacent section, if this would have been punched out according to its own reference position. Therefore, conclusions are only partially possible between the different interference patterns; most difficult, especially in the middle of the disturbance pattern.
  • the variability of the individual interference patterns can thus be arbitrarily increased.
  • FIGS. 9 to 11 show overall patterns that are suitable for producing a particularly large number of different partial patterns or punched out disturbance patterns.
  • the overall patterns on which FIGS. 9 to 11 are based are in the form of webs and are therefore particularly well suited for pattern carriers configured as rolls or for endless carrier webs.
  • a first direction x which, for example, corresponds to the main direction of extent of the overall pattern 5, ie the longitudinal direction L of the carrier web and / or the printing transport direction T, the total length of the continuous overall pattern is ultimately only due to the total length of the plastic or paper web used, which is the one to be printed Pattern carrier 21 forms, limited.
  • FIGS. 9 to 11 the illustrated overall pattern or pattern carrier are smaller compared to the FIGS. 7 and 8th shown; in particular along the second direction y FIG. 7 and 8th should they have the same or at least a comparable dimension and thus make it possible to punch out a comparably large number of juxtaposed sections 24 in this direction.
  • the FIGS. 9 to 11 show overall pattern with numbers, for example, but other pattern elements may be used as otherwise mentioned in this application.
  • the pattern is formed from such pattern elements, from which the numbers, numbers or other characters of the data to be disguised 2 are formed, so that the latter are not already distinguishable from the pattern elements by the nature of the individual structures.
  • FIG. 9 shows two overall patterns 5a, 5b, which are printed on two pattern carrier 21a, 21b.
  • corresponding overall patterns can also be generated digitally and from these the respective disturbance patterns 1 can be selected and printed on the documents 10 or on their respective first sheet 11 in digital printing.
  • two or more different overall patterns 5a, 5b, ... can be used, wherein an overall pattern does not have to be used for all the interference patterns of the entire set of documents, but only needs to be used for so few disturbing patterns that ensures sufficient detection security is. Also in all other embodiments of the description, the claims and the other figures, several different overall patterns can be used or printed; optionally only once or several times.
  • the partial surfaces 4 to be used for the perturbing patterns of the documents of the set may be chosen such that they are completely overlapping with each other or alternatively overlaps between patches of different overall patterns or between different impressions of overall patterns are permitted. At least in the case of overlapping-free selection of partial surfaces or partial pieces, sufficient tamper-evident security is ensured almost automatically.
  • each carrier web width of 400 mm eight superimposed rows of area cutouts or partial areas are punched out of each carrier web 22, the same eight identical punching positions being used along the second direction and the position only along the first direction x, ie along each row each of the surface cutouts 23 or partial surfaces 4 to be punched out is varied.
  • the variation of the individual positions may take the form of a regular arrangement as in the FIGS. 7 and 8th , but also with additional individual offset as in FIG. 8 take place at least along the first direction x.
  • the partial surfaces to be punched out or digitally selected can be selected such that they are either always free from overlapping to all other partial surfaces, that they have overlaps of a predefined maximum permissible size, or that it is made dependent on further circumstances or parameters, if and to what extent overlaps and accordingly partial pattern overlaps or similarities between different interference patterns are allowed.
  • FIG. 9 several of the in FIG. 9 superimposed pattern shown to an even denser, combined overall pattern.
  • FIG. 10 shows, for example, a total pattern 5, which consists of two actually full-surface individual patterns as in FIG. 9 composed.
  • the single pattern 5b became out FIG. 9 used and another 30c, which, however, in FIG. 9 not shown.
  • the overall pattern 5 in FIG. 10 is formed from two overlay patterns 30b, 30c FIG. 11 on the other hand, a total pattern is shown, which consists of a total of four overlay patterns 30 similar to those of FIG. 9 composed, wherein at least the single pattern 5a was used as the first overlay pattern 30a with.
  • Figures 9 shows, for example, a total pattern 5, which consists of two actually full-surface individual patterns as in FIG. 9 composed.
  • the single pattern 5b became out FIG. 9 used and another 30c, which, however, in FIG. 9 not shown.
  • the overall pattern 5 in FIG. 10 is formed from two overlay patterns 30b, 30c FIG. 11 on the other hand, a total pattern is shown, which consists of a total of four overlay patterns 30 similar to those of FIG. 9
  • the 10 and 11 can be seen among each other, can be the desired Degree of printing, ie, the proportion of black to white areas or from printed to unprinted areas controlled by the number of superimposed individual patterns, in particular to achieve the desired degree of confusion of obfuscation serving for obfuscation.
  • the individual patterns to be superimposed can be distributed to a corresponding number of printing units, wherein in the case of a number of N printing units, each contributes approximately a proportion of 1 / N to the total printing density of the overall pattern.
  • the carrier web is printed, for example, N times in succession, in each case by one of the N printing units.
  • printing units provided with rollers or rollers are particularly expedient. However, this does not necessarily mean that no pattern repetitions should occur in the single individual patterns to be combined with each other. It may well be used on rollers aufspannbare printing plates or "sleeves" that produce pattern repetitions by being stretched around a roller which are rolled on the wallpaper-shaped carrier web and thereby print.
  • a sleeve offers the advantage of batchless printing, so that the right and left end of the individual impression, ie the end of a 360 ° rotation is not clearly visible.
  • the pattern repeats that occur can be visually obscured by printing the multiple overlay patterns using sleeves that are not synchronized with each other and / or using sleeves that have different radii or length dimensions in directions x, T, or L.
  • the example shown in this application example disturbance patterns in particular those of FIGS. 6 and 9 to 11 , Can continue to be modified in a suitable manner to increase the impression created by "confusion" of the respective interference pattern yet and / or to achieve an even greater optical fusion of the individual interference pattern with the information to be veiled.
  • the in the FIGS. 6 and 9 to 11 Numbers used as pattern elements or the other pattern elements to be used in each case for the relevant interference patterns are modified in the following manner. For example, apart from the placement or positioning of the respective pattern element, its orientation can also be changed, if necessary also in combination with the possibility of additionally mirroring the pattern elements, ie printing them in mirror image.
  • the orientation of these pattern elements within the two-dimensional noise pattern surface may also be determined using pseudorandom algorithms and / or selection steps.
  • the scaling, ie the print size of the respective pattern element to be printed or other modifications of the print image of the pattern element can be set pseudorandomly.
  • the font size, the font height, the font width, the font inclination, the line thickness, the font, other changes such as bold or italic, stylistic character deformations, any other graphical deformations or several of these listed above changes to the respective pattern element also preferably pseudo-random, ie using pseudo random algorithms and / or selection steps.
  • the pattern elements themselves, but also the deformation steps to be carried out are determined pseudorandomly.
  • suitable parameter ranges are defined and within these parameter ranges pseudo-randomly selected concrete numerical parameter values for each pattern element or for each position in the disturbance pattern at which a pattern element is to be arranged, and according to these pseudo-randomly determined parameter values, the pattern element determined for the respective pattern element position is deformed , This results in the deformed printed image of the respective pattern element or the respective pattern element position in the interference pattern.
  • parameter ranges can be defined for the above-mentioned deformations or modifications of the pattern elements, eg parameter ranges for the angular degree of rotation of the pattern element in the clockwise direction, for the degree of inclination of the scripture, for the percentage of its magnification, extension or broadening or for the number the font to select from a list of fonts provided.
  • the patterns formed from the pattern elements changed in print image-be they numbers, other alphanumeric characters of a Romance, modern or any other language or whatever graphic pattern elements are formed-are even more complex or inconsistent in themselves. Therefore, the different interference patterns in the comparison of the documents of the document set with each other even much more different from each other. In the case of a character pool of the same size, an even greater degree of variation in the variety of patterns that can be generated is achieved by means of the above possible variations of the individual pattern elements.
  • FIG. 12 schematically shows an arrangement of four overlay patterns 30a to 30d, which are successively printed on the same pattern carrier 21 and on the same carrier web 22. Accordingly, different digitally generated overlay patterns can be digitally overlaid to a single overall pattern. In each case, the final overall pattern 5, whose superimposed subpatterns are formed in FIG. 12 for clarity, they are shown one below the other instead of each other.
  • FIG. 12 shows four such ansatzlos next to each other repeatedly printed or to be printed individual pattern 30a to 30d, which are suitable for printing a wallpaper-shaped surface basically any length.
  • the periods M1 to M4 of the individual overlay patterns 30a to 30d are selected differently, preferably in such a way that the ratio of each two period lengths M to one another is an irrational number is, a fraction with the largest possible numerator and denominator yields or at least chosen so that the resulting by combining or adding the overlay pattern involved overall pattern repeats only after the largest possible portion along the printed carrier web.
  • the contributions of the individual printing units 18 or overlay patterns 30a to 30d therefore shift in the longitudinal direction L relative to one another such that no identifiable repetitions occur at least in the resulting overall pattern 5.
  • each individual disturbance patterns can be produced, without causing pattern repetition between them.
  • pattern repetitions are no longer recognizable on the basis of the finished overall pattern.
  • the subsequent punching out of the partial surfaces 4 or surface cutouts 23, if necessary in the form of real sections 4 of one or more paper sheets or plastic films used as carrier webs 22 and in particular of roller conveyors, thus results in a sufficiently large number of individual, respectively different, disturbing patterns 1 or provided therewith Notify carrier 14, which can be used as the first sheet 11 of the respective document or at least be glued to the first sheet of the respective document.
  • the digital printing ie the only digital generation of the or the overall pattern, if necessary.
  • a respective offset v can be set between the respective overlay patterns at least along the first direction x, similar to FIG. 7 and 8th ,
  • FIG. 13 shows a surface section of an individual interference pattern 1, which is composed of pattern elements 3 is constructed or in the finished state of such pattern elements.
  • the interference pattern 1 is composed for example of kacheiförmigen, eg rectangular or square pattern elements, wherein in FIG. 13 In addition, the borders of the tiles are shown, which are not visible in the actual noise pattern.
  • Each pattern element 3 is filled with a certain surface area, for example with an arrangement of one or more lines, finger-shaped elements, polygons or with other graphic structures. In particular, each pattern element has an individual color distribution of black and white areas.
  • the pattern element 3a is provided with two and the pattern element 3b with three finger-shaped elements, as typically also for representing an alphanumeric string, such as in FIG. 5 for the data 2 to be obfuscated.
  • Störmuster 1 One of a group of similar pattern elements 3; 3a, 3b, ... formed Störmuster 1 therefore makes it difficult to read such data.
  • the selection of the positions where pattern elements are present and the selection of the respective pattern elements to be placed is done using a pseudo-random number generator. In the partial view of the FIG. 13 only the lower left corner of the interference pattern is shown near the coordinate or position (00/00).
  • the disturbance pattern 1 built up from the pattern elements has a degree of blackening which i.a. depends on the total number of placed pattern elements, depending on line width or on the nature of the individual pattern elements (for example, with black sub-areas instead of only line structures) already a much higher degree of printing is achieved.
  • a degree of blackening which i.a. depends on the total number of placed pattern elements, depending on line width or on the nature of the individual pattern elements (for example, with black sub-areas instead of only line structures) already a much higher degree of printing is achieved.
  • suitable boundary conditions that the boundaries between adjacent pattern elements are not recognizable in the finished pattern, for example, by placing only those pattern elements directly next to each other along their common boundary line the same distribution of black and white or printed and unprinted Have surface areas.
  • a disturbance pattern 1; 1'; 1 "; 1 '”; ... constructed in which the pattern elements 3 are each arranged differently than in all other glitches of the document set 100.
  • one or more total pattern 5; 5a, 5b, ... composed of such or other suitable pattern elements 3.
  • the partial surfaces 23 are then selected in the final size of the interference patterns 1, 1 ', 1 ", 1'",.
  • FIG. 13 illustrated pattern elements contain line strokes of different positioning and orientation or angle inclination within the rectangular pattern element surface.
  • the deformations are preferably determined individually for each individual pattern element and / or for each individual pattern element surface, in particular using additional pseudorandom algorithms and / or additional pseudorandom selection steps.
  • additional pseudorandom algorithms and / or additional pseudorandom selection steps.
  • suitable parameter ranges are defined and within these ranges the respective numerical parameter values are defined pseudo-randomly.
  • FIG. 14 schematically shows an exemplary method for generating glitches of the document set.
  • a corresponding method can likewise be used to generate overall patterns; In this respect, the following statements apply equally to the at least one overall pattern.
  • the noise patterns are generated pseudorandomly, i. using at least one pseudorandom number each, before being imprinted by digital printing directly on the first sheet of the respective document, or printed on the fault pattern labels by digital printing or a mechanical printing technique, i. be printed on the interference pattern carrier 14 or on another pattern carrier.
  • the process starts with a random number for each individual disturbance pattern, which indicates, for example, which position X / Y (cf. FIG. 13 ) the first pattern element is to be assigned within the pattern area of this interference pattern. Furthermore, the pattern element to be placed there - as well as all the following still to be distributed pattern elements - from a group of predefined pattern elements 3; 3a, 3b, ... selected, for example, from a finite, manageable character set of tiled pieces of space, alphanumeric characters or other symbols or graphic elements.
  • pattern elements are sequentially selected individually or in groups one after the other and positioned within the interference pattern area, wherein preferably the selection and / or the positioning are also performed using a new pseudorandom number. So many more pattern elements are newly selected and assigned to positions within the noise pattern surface until a predetermined number of pattern elements is distributed on the interference pattern surface and / or until a predetermined surface coverage or a predetermined density or printing level is achieved over the entire interference pattern surface. It can also be provided that the entire pattern surface of the interference pattern is filled completely with the pattern elements.
  • the generated pseudo-random noise pattern is stored and then the next noise pattern is generated according to the same algorithm, with each new noise pattern having different, i. E. newly generated pseudo-random numbers are used.
  • the process ends when all pseudo-random noise patterns are finally generated and stored. They can then either be printed on the documents in quick succession or saved in a file for later printing.
  • the method for generating the individual perturbing patterns of the document set begins with the generation of a first perturbation pattern; beginning with the selection of the first pattern element (method step S1) and its assignment or positioning within the surface for the first interference pattern (method step S2). Thereafter, a further pattern element is successively selected in each case (method step S3) and assigned to a position in the pattern surface (method step S4); Steps S3 and S4 are repeated until the query (step S5) of whether the currently generated disturbance pattern is completed is confirmed. As long as the further query (step S8), whether the entire set of glitches is finished, is denied, the currently generated, finished individual interference pattern is stored (step S6) and a file for the next disturbance pattern created (step S7). The process steps S1 to S4 are now repeated until the next disturbance pattern is completed. After generation of all interference patterns, the entire set of interference patterns is stored (step S9) and / or printed (step S10).
  • the method may also include a check of edge effects between pattern elements that come to lie next to each other (horizontally and / or vertically) within positions within the same interference pattern. For example, it can be checked whether two pattern elements to be placed next to each other along their common edge have the same distribution of black and white areas or edges; if necessary, the additional pattern element actually to be placed there can be modified or assigned to a replacement position.
  • the method can also be modified such that already placed pattern elements are overwritten by pattern elements to be repositioned, ie replaced.
  • the blackening can be reversed again in already-blackened interference pattern areas, for example by means of a logical XOR combination.
  • the quality of the pseudo-random noise patterns thus generated can also be checked on the basis of quality criteria, as defined, for example, by the Federal Office for Information Security.

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Claims (15)

  1. Jeu (100) de documents (10, 10', 10'', 10''') servant à transmettre des données (2) en toute sécurité en termes d'espionnage,
    - sachant que chaque document (10, 10', 10'', 10''') du jeu (100) présente une première feuille (11) dotée d'un motif de brouillage (1 ; 1' ; 1" ; 1''') et une deuxième feuille (12) destinée à être assortie de données (2),
    - sachant que le motif de brouillage (1 ; 1' ; 1" ; 1''') de la première feuille (11) est constitué de manière à entraver une lecture ou un espionnage non autorisés de données (2) disposées sur la deuxième feuille (12) lorsque la deuxième feuille (12) et la première feuille (11) sont superposées,
    caractérisé en ce que le motif de brouillage (1 ; 1' ; 1" ; 1''') de chacun des documents (10, 10', 10'', 10''') du jeu (100) est un motif de brouillage individuel qui diffère des motifs de brouillage (1, 1', 1'', 1''') de tous les autres documents (10, 10', 10'', 10"') du jeu (100) .
  2. Jeu de documents selon la revendication 1,
    caractérisé en ce que chaque motif de brouillage (1 ; 1' ; 1" ; 1''') se compose d'un groupe d'éléments de motif (3 ; 3a, 3b) et en ce que les motifs de brouillage (1, 1', 1'', 1''') de tous les documents (10) du jeu (100) se composent du même groupe d'éléments de motif (3 ; 3a, 3b), sachant que la disposition relative des éléments de motif (3 ; 3a, 3b) les uns par rapport aux autres est différente dans chaque motif de brouillage (1 ; 1' ; 1" ; 1''') individuel.
  3. Jeu de documents selon la revendication 1 ou 2,
    caractérisé en ce que la deuxième feuille (12) est un film plastique (k) transparent ou translucide qui recouvre le motif de brouillage (1) de la première feuille (11).
  4. Jeu de documents selon l'une des revendications 1 à 3,
    caractérisé en ce que la première feuille (11) de chaque document (10) du jeu (100) présente un support d'informations (13) et un support de motif de brouillage (14),
    - sachant que le motif de brouillage (1) est constitué sur ou dans le support de motif de brouillage (14),
    - sachant que le support de motif de brouillage (14) possède une extension surfacique qui correspond à un champ (8) du support d'informations (13) prévu pour le motif de brouillage (1), et
    - sachant qu'à l'intérieur du champ (8) du support d'informations (13), le support de motif de brouillage (14) est relié fermement et durablement au support d'informations (13) sur tout son recto.
  5. Jeu de documents selon l'une des revendications 1 à 4,
    caractérisé en ce que les motifs de brouillage (1 ; 1' ; 1" ; 1''') des documents (10) du jeu (100) sont des motifs de brouillage pseudo-aléatoires qui sont imprimés directement sur la première feuille (11) du document (10) respectif par un procédé d'impression numérique et qui possèdent respectivement une structure de motif pseudo-aléatoire qui se base sur au moins un nombre pseudo-aléatoire respectif.
  6. Procédé de fabrication d'un jeu (100) de documents (10, 10', 10'', 10'") servant à transmettre des données (2) en toute sécurité en termes d'espionnage,
    - sachant que pour chaque document (10, 10', 10", 10"') du jeu (100), respectivement une première feuille (11) est dotée d'un motif de brouillage (1 ; 1' ; 1" ; 1'") et une deuxième feuille (12) destinée à être assortie de données (2) est associée à la première feuille (11), disposée sur la première feuille (11) et/ou apposée sur la première feuille (11),
    - sachant que les motifs de brouillage (1, 1', 1", 1''') sont constitués de manière à entraver une lecture ou un espionnage non autorisés de données (2) disposées sur la deuxième feuille (12) lorsque la première feuille (11) et la deuxième feuille (12) sont superposées,
    caractérisé en ce que tous les documents (10, 10', 10'', 10''') du jeu (100) sont dotés de motifs de brouillage (1 ; 1' ; 1'' ; 1''') différents, individuels respectivement, de telle sorte que le motif de brouillage (1 ; 1' ; 1'' ; 1''') de chaque document (10, 10', 10'', 10''') diffère des motifs de brouillage (1, 1', 1'', 1''') de tous les autres documents (10, 10', 10", 10'") du jeu (100) .
  7. Procédé selon la revendication 6,
    caractérisé en ce que
    - une multitude d'empreintes (25 ; 25a, 25b) de motifs d'ensemble (5 ; 5a, 5b) identiques ou différents est imprimée sur un ou sur plusieurs supports de motif (21 ; 21a, 21b, ...) et
    - une pluralité de parties (24) est détachée de chaque empreinte (25 ; 25a, 25b),
    - sachant que des sections surfaciques (23) respectivement différentes, en particulier des sections surfaciques (23) du motif d'ensemble (5 ; 5a, 5b) décalées différemment à l'intérieur du motif d'ensemble (5) et/ou décalées différemment les unes par rapport aux autres sont détachées de chaque empreinte (25 ; 25a, 25b) en tant que parties (24).
  8. Procédé selon la revendication 6 ou 7,
    caractérisé en ce que
    - des empreintes (25 ; 25a, 25b) d'au moins un motif d'ensemble (5 ; 5a, 5b) sont imprimées sur au moins une bande support (22) et
    - un agencement de sections surfaciques (23) du motif d'ensemble (5) est détaché de chaque empreinte (25 ; 25a, 25b) pour obtenir les parties (24),
    - sachant que les positions des sections surfaciques (23) qui sont détachées des empreintes (25) en tant que parties (24) sont choisies différemment pour chaque empreinte (25).
  9. Procédé selon la revendication 8,
    caractérisé en ce que d'autres sections surfaciques (23) décalées respectivement d'une distance différente en direction d'un sens de transport d'impression (T) et/ou en sens longitudinal (L) de la bande support (22) sont détachées de chaque empreinte (25 ; 25a, 25b), à la suite de quoi une pluralité de parties (24), dont les motifs de brouillage (1 ; 1' ; 1" ; 1'") sont différents des motif de brouillage (1 , 1', 1", 1'") des parties (24) fabriquées à partir de toutes les autres empreintes (25 ; 25a, 25b), est fabriquée à partir de chaque empreinte (25) de l'au moins un motif d'ensemble (5 ; 5a, 5b).
  10. Procédé selon l'une des revendications 6 à 9,
    caractérisé en ce que chaque motif d'ensemble (5 ; 5a, 5b) est formé en ce que plusieurs motifs de superposition (30 ; 30a, 30b, 30c, 30d) sont superposés et ainsi réunis en un ou plusieurs motifs d'ensemble (5 ; 5a, 5b).
  11. Procédé selon la revendication 10,
    caractérisé en ce que l'empreinte (25 ; 25a, 25b) de chaque motif d'ensemble (5) est fabriquée en ce que les plusieurs motifs de superposition (30 ; 30a, 30b, 30c, 30d) sont imprimés les uns au-dessus des autres sur la bande support (22) respectivement similaire.
  12. Procédé selon la revendication 10 ou 11,
    caractérisé en ce qu'un motif d'ensemble (5 ; 5a, 5b) est fabriqué de manière répétée à partir de plusieurs motifs de superposition (30 ; 30a, 30b, 30c, 30d), sachant qu'un décalage d'ampleur différente des plusieurs motifs de superposition (30 ; 30a, 30b, 30c, 30d) est ajusté entre eux pour chaque motif d'ensemble (5 ; 5a, 5b).
  13. Procédé selon l'une des revendications 10 à 12,
    caractérisé en ce que
    - plusieurs motifs de superposition (30 ; 30a, 30b, 30c, 30d) sont imprimés les uns au-dessus des autres sur la bande support (22),
    - sachant que, pour chaque motif de superposition (30 ; 30a, 30b, 30c, 30d) particulier, une pluralité d'empreintes (25) de ce motif de superposition (30 ; 30a, 30b, 30c, 30d) sont imprimées sans marge les unes derrière les autres sur la bande support (22) au moyen d'un outil d'impression (18) respectif,
    - sachant que, pour le motif d'ensemble (5), des motifs de superposition de longueur ou période (M1, M2, M3, M4) respectivement différente, mesurée en sens longitudinal (L) de la bande support (22) ou dans le sens de transport d'impression (T), sont imprimés les uns au-dessus des autres.
  14. Procédé selon l'une des revendications 6 à 13,
    caractérisé en ce que chaque motif de brouillage (1, 1', 1", 1'") est généré de manière individuellement pseudo-aléatoire en ce qu'un élément de motif (3 ; 3a, 3b) ou un nombre d'éléments de motif (3 ; 3a, 3b) est sélectionné respectivement l'un après l'autre et réparti sur des positions (X/Y) à l'intérieur du motif de brouillage, sachant que la sélection et le positionnement des éléments de motif sont répétés jusqu'à ce qu'un nombre total spécifié d'éléments de motif déjà positionnés ou un degré spécifié de recouvrement surfacique ou de noircissement de motif est atteint dans le motif de brouillage (1, 1', 1", 1''') respectif.
  15. Procédé selon l'une des revendications 6 à 14,
    caractérisé en ce que l'au moins un motif d'ensemble (5 ; 5a, 5b) est généré de manière pseudo-aléatoire en ce qu'un élément de motif (3 ; 3a, 3b) ou un nombre d'éléments de motif (3 ; 3a, 3b) est sélectionné respectivement l'un après l'autre et réparti sur des positions (X/Y) à l'intérieur du motif d'ensemble (5 ; 5a, 5b), sachant que la sélection et le positionnement des éléments de motif sont répétés jusqu'à ce qu'un nombre total spécifié d'éléments de motif déjà positionnés ou un degré spécifié de recouvrement surfacique ou de noircissement de motif est atteint dans le motif d'ensemble (5 ; 5a, 5b), et en ce qu'une pluralité de sections surfaciques (23) est sélectionnée à partir de l'au moins un motif d'ensemble (5 ; 5a, 5b) moyennant des nombres pseudo-aléatoires et imprimée pour la fabrication des motifs de brouillage (1, 1', 1'', 1''') du jeu (100) de documents (10) .
EP15731293.5A 2014-06-24 2015-06-19 Jeu de documents servant à transmettre en toute sécurité par rapport à d'éventuelles actions de surveillance illicite des données et procédé de production Active EP3160756B1 (fr)

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DE102014108818.2A DE102014108818A1 (de) 2014-06-24 2014-06-24 Satz von Dokumenten zum ausspähsicheren Übermitteln von Daten und Herstellverfahren
PCT/EP2015/063863 WO2015197499A1 (fr) 2014-06-24 2015-06-19 Jeu de documents servant à transmettre en toute sécurité par rapport à d'éventuelles actions de surveillance illicite des données et procédé de production

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DE102016115428A1 (de) * 2016-08-19 2018-02-22 Schreiner Group Gmbh & Co. Kg Dokument zum ausspähsicheren Übermitteln einer vertraulichen Information
DE102019103495A1 (de) * 2019-02-12 2020-08-13 Schreiner Group Gmbh & Co. Kg Gegenstand zum Schutz einer vertraulichen Information vor Ausspähung
DE102019103497A1 (de) * 2019-02-12 2020-08-13 Schreiner Group Gmbh & Co. Kg Gegenstand zum Schutz vor Ausspähung einer vertraulichen Information

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US5873604A (en) * 1995-05-25 1999-02-23 Verify First Technologies, Inc. Document security system having thermo-activated pantograph and validation mark
DE19733876C5 (de) * 1997-08-05 2006-04-27 Winter Ag Datenträger und Verfahren zu dessen Herstellung
AUPP027397A0 (en) * 1997-11-07 1997-12-04 Documotion Research, Inc. Tamper-evident form for securely carrying confidential information
DE10006377A1 (de) * 2000-02-12 2001-08-23 Schreiner Etiketten Mit einem Laser beschriftetes Etikett sowie Verfahren und Vorrichtung zu seiner Herstellung
DE10300236A1 (de) * 2003-01-08 2004-07-29 Schreiner Gmbh & Co. Kg Informationsträger mit abgedecktem Informationsfeld
DE20309482U1 (de) * 2003-06-20 2004-11-04 Jung Gmbh Datenträger zum Aufbringen geheimhaltungsbedürftiger Daten
US7364091B2 (en) * 2003-12-19 2008-04-29 Scientific Games International, Inc. Embedded optical signatures in documents
WO2009103021A1 (fr) * 2008-02-14 2009-08-20 Documotion Research, Inc. Matériaux de preuve d'effraction pour transporter des informations en sécurité
US8202593B2 (en) * 2008-05-15 2012-06-19 Fofitec Ag Printing carriers for transferring confidential information
IT1391524B1 (it) * 2008-07-04 2012-01-11 Selva Metodo per realizzare un dato univoco su una etichetta autoadesiva trasparente e relativo sistema per rilevarlo, archiviarlo, e rileggerlo comparandolo per via telematica.

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