EP0146151B1 - Security paper - Google Patents
Security paper Download PDFInfo
- Publication number
- EP0146151B1 EP0146151B1 EP84201359A EP84201359A EP0146151B1 EP 0146151 B1 EP0146151 B1 EP 0146151B1 EP 84201359 A EP84201359 A EP 84201359A EP 84201359 A EP84201359 A EP 84201359A EP 0146151 B1 EP0146151 B1 EP 0146151B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- segments
- parallel
- raised
- groups
- document
- 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
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- 230000001154 acute effect Effects 0.000 claims abstract description 9
- 230000001052 transient effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 239000003086 colorant Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
Images
Classifications
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- 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
- B42D25/324—Reliefs
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- 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
- B41M3/148—Transitory images, i.e. images only visible from certain viewing angles
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- 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
-
- 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
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/29—Securities; Bank notes
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/08—Photoprinting; Processes and means for preventing photoprinting
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
- G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
- G07D7/06—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency using wave or particle radiation
- G07D7/12—Visible light, infrared or ultraviolet radiation
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- B42D2033/24—
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- B42D2035/02—
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- B42D2035/16—
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- B42D2035/20—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/916—Fraud or tamper detecting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
- Y10T428/231—Filled with gas other than air; or under vacuum
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
Definitions
- the present invention relates to a security paper having a security design as defined by the preamble of claim 1.
- the color of the sides of raised lines varies along its length or d 'one side to the other so that when looking at the banknote from two different angles you can see two different images depending on whether one or the other side of raised lines is hidden.
- the lines in relief have a uniform color contrasting with that of the paper (the spaces between the lines), so that the image formed by these raised lines only appears when looking at the drawing from a relatively small acute angle and parallel to a plane perpendicular to these lines, which in this case hide the spaces between them and reveal a uniformly colored image. This image is difficult to detect if we look at the drawing in a direction perpendicular to its plane because the contrast of the colors between lines and between lines breaks down the image.
- the transient images consist of several letters and are formed by the portions of the lines having an increased thickness. Some letters are formed by the parts of the lines parallel to one of the two directions, while the other letters are formed by the parts of lines parallel to the other direction.
- the document must be rotated by an angle equal to the angle formed by the two directions.
- these two images are not superimposed or interposed but only juxtaposed, in addition the background of the security design is formed on the one hand of the lines in low relief and on the other hand of the paper itself.
- the purpose of the present invention is to remedy the drawbacks of the prior art and to propose an alternative to the security design of patent FR-A-2192 496 making counterfeiting more difficult by allowing, on the one hand, a security drawing on valuable paper using the intaglio process, without involving any color contrast and on the other hand, the security drawing can easily be detected by a layman without having to resort to auxiliary means such as a lamp, screen, lenses, etc., and at a relatively large acute angle.
- the security design according to the invention is characterized by the characterizing clause of claim 1.
- the advantages of the subject of the invention are as follows:
- the entire safety drawing and not only the transient images is formed of two networks of groups juxtaposed with segments in relief in parallel respectively and alternately in two predetermined directions. Certain parts of the images appearing from different angles are interleaved, that is to say in some way superimposed. For each image, even the superimposed parts are formed by the high reliefs of the segments belonging to one of the networks.
- the peripheries of the groups of each network define planar geometric figures which are the same for a given network and are completed by the geometric figures defined by the peripheries of the groups of the other network.
- the groups of segments are easily obtained by intaglio printing and without being obliged to resort to meticulous adjustments in order to respect the color register, the whole of the safety design, raised segments and between segments, preferably being of the same color.
- the authenticity can be checked by any user, either by illuminating the design with natural light or an electric lamp, or more simply by looking at it at an acute angle and parallel to a plane perpendicular to the raised lines forming one of the images.
- a rotation of the value paper by an angle approximately equal to the angle between the two predetermined directions to which the segments of two adjacent groups are respectively parallel, makes the second image appear.
- the two directions to which the raised segments are parallel are perpendicular and the geometric figure determined by the periphery of a group of segments is a rectangle, in particular a square.
- the safety drawing S shown in FIGS. 1 and 2 of a paper P value is made up of raised straight lines arranged in groups 1.2 juxtaposed.
- Figure 6 shows some of these groups on a large scale.
- the segments of two adjacent groups 1, 2 are parallel to two perpendicular directions.
- the relief segments are shown in black, but in reality the color of the relief segments, and the space between two segments is the same.
- the safety drawing appears, observed perpendicular to its plane, as having a uniform color.
- the figures delimited by the ends of the segments and the extreme segments of each group 1, 2 form a square. However, any other figure may be produced provided that the peripheries of two adjacent groups are combined so that the entire background of the drawing is continuously covered.
- a first image which is an A
- this image is formed by segments and fractions of the raised segments of a height higher than that of the other segments, respectively fractions of segments, and perpendicular to the direction D.
- P the paper value of 90 °
- This second image is formed in the same way as the previous one, but by segments perpendicular to the segments of the previous image.
- the segments 4 and 5 belonging to two adjacent groups are segments or fractions of segments in low relief and therefore belong to the security design background.
- the segments 4 are perpendicular to the plane of Figure 3 and the segment 5 parallel to this plane.
- the segment 7 which is parallel to the segments 4 is a segment the upper part of which is along its entire length or a fraction at the highest level n3 and contributes to the composition of one of the transient images.
- the top of segment 6, which lines up with segment 5, is on two levels. A first part is at level n3 therefore in high relief, and contributes to the composition of the other transient image and two other parts are at level n2 therefore in low relief, and form part of the background of the drawing.
- the detail illustrated in enlargement in FIG. 4 also shows the constitution of the safety drawing.
- the groups with segments parallel to the front edge F of the value paper P are all part of the background of the drawing, while the segments perpendicular to the edge F, belonging to the other groups, compose a transient image.
- the segment 8 has an upper part which is at level n3 and another which is at level n2.
- the segments belonging to the same group as segment 8 also have their upper part at level n3.
- Segment 9 and those of its group also have two different levels extending over unequal lengths, it is the same for segment 10.
- the other illustrated segments, parallel to segment 10, are of level n3. All the segments or part of segments of level n3 contribute to the composition of an image which can be observed if we illuminate the drawing or if we look at it in a direction parallel to D '.
- the security drawing can occupy either part of a valuable paper, as illustrated in FIG. 5, or the entire surface of the paper.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Business, Economics & Management (AREA)
- Credit Cards Or The Like (AREA)
- Printing Methods (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Paper (AREA)
- Road Signs Or Road Markings (AREA)
- Adornments (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Developing Agents For Electrophotography (AREA)
- Toys (AREA)
Abstract
Description
La présente invention concerne un papier valeur ayant un dessin de sécurité tel que défini par le préambule de la revendication 1.The present invention relates to a security paper having a security design as defined by the preamble of
Dans le but d'éviter l'émission de faux papiers valeur et notamment des billets de banque, on a eu recours à différents procédés d'impression et on a notamment muni les papiers valeur de dessins de sécurité composés de lignes fines de couleurs différentes formant des figures complexes de sorte qu'une reproduction par des moyens photographiques soit difficile. Néanmoins l'évolution des techniques de reproduction a permis aux faussaires de dépasser, au moins dans certains cas, cette difficulté. Une autre solution a été la fabrication de papiers valeur dont une partie au moins de la surface comprend des lignes en relief réalisées au moyen du procédé dit à taille-douce. Sur la base de ce procédé plusieurs variantes ont été proposées. On a notamment proposé la réalisation d'une image transitoire formée par des lignes en relief parallèles. Selon une variante l'image transitoire n'est détectable qu'à travers un écran transparent" approprié, ou en éclairant le papier valeur avec une lumière appropriée. Dans un autre cas la couleur de flancs de lignes en relief varie sur sa longueur ou d'un flanc à l'autre de sorte qu'en observant le billet sous deux angles différents on voit apparaître deux images différentes suivant que l'un ou l'autre flanc de lignes en relief soit caché. Enfin dans un autre cas les lignes en relief ont une couleur uniforme contrastant avec celle du papier (les espaces entre les lignes), de sorte que l'image formée par ces lignes en relief n'appa- rait que si l'on regarde le dessin sous un angle aigu relativement petit et parallèlement à un plan perpendiculaire à ces lignes, qui cachent dans ce cas les espaces entre elles et font apparaître une image uniformément colorée. Cette image est difficilement détectable si l'on regarde le dessin dans une direction perpendiculaire à son plan car le contraste des couleurs entre les lignes et l'entre lignes décompose l'image.In order to avoid the issuance of false security papers, particularly banknotes, different printing methods were used and security papers were notably provided with security drawings made up of thin lines of different colors forming complex figures so that reproduction by photographic means is difficult. However, the evolution of reproduction techniques has enabled counterfeiters to overcome this difficulty, at least in certain cases. Another solution has been the manufacture of valuable papers, at least part of the surface of which comprises relief lines produced by the so-called intaglio process. Several variants have been proposed on the basis of this process. In particular, it has been proposed to produce a transient image formed by parallel raised lines. According to one variant, the transient image is only detectable through an appropriate transparent screen, or by illuminating the value paper with an appropriate light. In another case the color of the sides of raised lines varies along its length or d 'one side to the other so that when looking at the banknote from two different angles you can see two different images depending on whether one or the other side of raised lines is hidden. Finally in another case the lines in relief have a uniform color contrasting with that of the paper (the spaces between the lines), so that the image formed by these raised lines only appears when looking at the drawing from a relatively small acute angle and parallel to a plane perpendicular to these lines, which in this case hide the spaces between them and reveal a uniformly colored image. This image is difficult to detect if we look at the drawing in a direction perpendicular to its plane because the contrast of the colors between lines and between lines breaks down the image.
Ces solutions ont contribué à rendre difficile voire impossible la fabrication de faux papiers valeur car aucun dispositif photographique ne peut réaliser une reproduction à trois dimensions. Néanmoins, les variantes citées en premier présentent l'inconvénient de nécessiter un dispositif supplémentaire (écran, lentille, lampe à lumière spéciale etc) pour effectuer le contrôle d'authenticité et par conséquent de le rendre quasiment impossible lors de l'utilisation courante de papiers valeur. Quant aux deux dernières variantes elles demandent pour la réalisation des images transitoires une très grande précision afin d'obtenir un registre parfait de couleurs. D'autre part l'angle d'observation est relativement petit, de l'ordre de 15° à 20° par rapport au plan du papier, ce qui rend le contrôle, d'un grand nombre de papiers valeurs, fastidieux.These solutions have contributed to making it difficult if not impossible to manufacture false value papers because no photographic device can produce a three-dimensional reproduction. However, the variants cited first have the drawback of requiring an additional device (screen, lens, special light lamp, etc.) to carry out the authenticity check and therefore to make it almost impossible during the current use of papers. value. As for the last two variants, they require very high precision for the production of transient images in order to obtain a perfect register of colors. On the other hand the angle of observation is relatively small, of the order of 15 ° to 20 ° relative to the plane of the paper, which makes the control of a large number of valuable papers tedious.
Dans le brevet FR-A-2192496 on a proposé un dessin de sécurité correspondant au préambule de la revendication 1 du présent brevet. Selon une variante d'exécution décrite mais pas illustrée par une figure de ce brevet français, les images transitoires consistent en plusieurs lettres et sont formées par les portions des lignes ayant une épaisseur accrue. Quelques lettres sont formées par les parties des lignes parallèles à l'une des deux directions, tandis que les autres lettres sont formées par les parties de lignes parallèles à l'autre direction. Ainsi, pour pouvoir distinguer les deux groupes de lettres, il faut tourner le document d'un angle égal à l'angle formé par les deux directions. Cependant ces deux images ne sont pas superposées ou intercalées mais seulement juxtaposées, en outre le fond du dessin de sécurité est formé d'une part des lignes en relief bas et d'autre part du papier même.In patent FR-A-2192496, a safety design has been proposed corresponding to the preamble of
La présente invention a pour but de remédier aux inconvénients de l'art antérieur et de proposer une alternative au dessin de sécurité du brevet FR-A-2192 496 rendant plus difficile la contrefaçon en permettant la réalisation, d'une part, d'un dessin de sécurité sur un papier valeur en utilisant le procédé de taille-douce, sans faire intervenir un quelconque contraste de couleur et d'autre part, le dessin de sécurité peut facilement être détecté par une personne non spécialisée sans avoir recours à des moyens auxiliaires tel que lampe, écran, lentilles, etc., et sous un angle aigu relativement grand.The purpose of the present invention is to remedy the drawbacks of the prior art and to propose an alternative to the security design of patent FR-A-2192 496 making counterfeiting more difficult by allowing, on the one hand, a security drawing on valuable paper using the intaglio process, without involving any color contrast and on the other hand, the security drawing can easily be detected by a layman without having to resort to auxiliary means such as a lamp, screen, lenses, etc., and at a relatively large acute angle.
Le dessin de sécurité selon l'invention est caractérisé par la clause caractérisante de la revendication 1.The security design according to the invention is characterized by the characterizing clause of
Les avantages de l'objet de l'invention sont les suivants : L'ensemble du dessin de sécurité et non seulement les images transitoires est formé de deux réseaux de groupes juxtaposés de segments en relief parallèles respectivement et alternativement à deux directions prédéterminées. Certaines parties des images apparaissant sous des angles différents sont intercalées, c'est-à-dire en quelque sorte superposées. Pour chaque image, même les parties superposées sont formées par les reliefs hauts des segments appartenant à l'un des réseaux. Les périphéries des groupes de chaque réseau définissent des figures géométriques planes qui sont les mêmes pour un réseau donné et sont complétées par les figures géométriques définies par les périphéries des groupes de l'autre réseau. Les groupes de segments sont facilement obtenus par une impression taille-douce et sans être obligé à avoir recours à des réglages minutieux pour respecter le registre de couleurs, l'ensemble du dessin de sécurité, segments en relief et entre-segments, étant préférablement de la même couleur. Le contrôle de l'authenticité peut être fait par n'importe quel utilisateur, soit en éclairant par de la lumière naturelle ou une lampe électrique courante le dessin, soit plus simplement en le regardant sous un angle aigu et parallèlement à un plan perpendiculaire aux lignes en relief formant l'une des images. Une rotation du papier valeur d'un angle approximativement égal à l'angle entre les deux directions prédéterminées auxquelles sont parallèles respectivement les segments de deux groupes adjacents, fait apparaître la seconde image.The advantages of the subject of the invention are as follows: The entire safety drawing and not only the transient images is formed of two networks of groups juxtaposed with segments in relief in parallel respectively and alternately in two predetermined directions. Certain parts of the images appearing from different angles are interleaved, that is to say in some way superimposed. For each image, even the superimposed parts are formed by the high reliefs of the segments belonging to one of the networks. The peripheries of the groups of each network define planar geometric figures which are the same for a given network and are completed by the geometric figures defined by the peripheries of the groups of the other network. The groups of segments are easily obtained by intaglio printing and without being obliged to resort to meticulous adjustments in order to respect the color register, the whole of the safety design, raised segments and between segments, preferably being of the same color. The authenticity can be checked by any user, either by illuminating the design with natural light or an electric lamp, or more simply by looking at it at an acute angle and parallel to a plane perpendicular to the raised lines forming one of the images. A rotation of the value paper by an angle approximately equal to the angle between the two predetermined directions to which the segments of two adjacent groups are respectively parallel, makes the second image appear.
Le fait qu'une image apparaît lorsqu'on éclaire le dessin sous un angle aigu et parallèlement à un plan au moins approximativement perpendiculaire aux segments en relief composant l'image, est dû au fait que les segments dont la hauteur est supérieure à celle des segments composant le fond du dessin, ou plutôt les groupes de segments apparaissent comme ayant une couleur plus foncée à cause de l'ombre portée des segments des uns sur les autres et du fait que la densité des segments semble augmenter lorsqu'on les observe dans une direction perpendiculaire et sous un angle aigu par rapport à leur support. Il est évident que pour obtenir ces résultats il suffit que l'angle d'éclairage ou d'observation soit simplement inférieur à 90°.The fact that an image appears when the drawing is illuminated at an acute angle and parallel to a plane at least approximately perpendicular to the raised segments composing the image, is due to the fact that the segments whose height is greater than that of segments making up the background of the drawing, or rather the groups of segments appear to have a darker color because of the shadow cast by the segments on each other and the fact that the density of the segments seems to increase when observed in a direction perpendicular and at an acute angle with respect to their support. It is obvious that to obtain these results it suffices that the lighting or observation angle is simply less than 90 °.
En observant le papier perpendiculairement à son plan on ne distingue aucune image d'autant plus que les groupes comprenant les segments composant les deux images sont, au moins pour une partie d'entre eux, adjacents on peut donc dire que les images sont partiellement mélangées.By observing the paper perpendicular to its plane, no image can be distinguished, especially since the groups comprising the segments making up the two images are, at least for part of them, adjacent, so it can be said that the images are partially mixed .
Selon une variante préférée les deux directions auxquelles sont parallèles les segments en relief sont perpendiculaires et la figure géométrique déterminée par la périphérie d'un groupe de segments est un rectangle, notamment un carré.According to a preferred variant, the two directions to which the raised segments are parallel are perpendicular and the geometric figure determined by the periphery of a group of segments is a rectangle, in particular a square.
L'invention sera décrite plus en détail à l'aide du dessin annexé.
- La figure 1 est une vue en perspective d'un dessin de sécurité faisant apparaître une première image.
- La figure 2 est une vue similaire à celle de la figure 1 faisant apparaître une seconde image.
- La figure 3 est une vue en coupe d'une partie agrandie d'un papier valeur montrant les différents éléments en relief.
- La figure 4 est une vue en perspective fortement agrandie d'une partie d'un dessin de sécurité.
- La figure 5 représente un billet de banque avec le dessin de sécurité.
- La figure 6 est une vue fortement agrandie en plan d'une partie du dessin de sécurité.
- Figure 1 is a perspective view of a safety drawing showing a first image.
- Figure 2 is a view similar to that of Figure 1 showing a second image.
- Figure 3 is a sectional view of an enlarged portion of a value paper showing the various elements in relief.
- Figure 4 is a greatly enlarged perspective view of part of a safety drawing.
- Figure 5 shows a bank note with the security design.
- Figure 6 is a greatly enlarged plan view of part of the safety drawing.
Le dessin de sécurité S représenté aux figures 1 et 2 d'un papier valeur P est composé de segments de droite en relief disposés en groupes 1,2 juxtaposés. La figure 6 montre quelques uns de ces groupes dans une grande échelle. Les segments de deux groupes adjacents 1, 2 sont parallèles à deux directions perpendiculaires. On a représenté en noir les segments en relief mais en réalité la couleur de segments en relief, et de l'espace entre deux segments est la même. Il peut exister une nuance, entre les segments en relief et l'espace entre deux segments en relief, si le support papier est d'une couleur contrastant avec la couleur de l'encre d'impression du dessin de sécurité due à la différence de l'épaisseur de la couche d'encre entre un segment en relief et l'espace entre deux segments comme on verra plus loin.The safety drawing S shown in FIGS. 1 and 2 of a paper P value is made up of raised straight lines arranged in groups 1.2 juxtaposed. Figure 6 shows some of these groups on a large scale. The segments of two
D'une manière générale et sous réserve de la remarque susmentionnée le dessin de sécurité apparaît, observé perpendiculairement à son plan comme ayant une couleur uniforme. Les figures délimitées par les extrémités des segments et les segments extrêmes de chaque groupe 1, 2 forment un carré. Néanmoins toute autre figure peut être réalisée sous la condition que les périphéries de deux groupes adjacents se conjugent de sorte que tout le fond du dessin soit recouvert de façon continue.Generally and subject to the above-mentioned remark, the safety drawing appears, observed perpendicular to its plane, as having a uniform color. The figures delimited by the ends of the segments and the extreme segments of each
En éclairant ou en observant le dessin sous un angle aigu et parallèlement à la direction D, qui est au moins approximativement perpendiculaire à l'une des directions auxquelles les segments sont parallèles, on voit apparaître une première image qui est un A, cette image est formée par des segments et des fractions des segments en relief d'une hauteur supérieure à celle des autres segments, respectivement des fractions de segments, et perpendiculaires à la direction D. Si on tourne le papier valeur P de 90° on voit apparaître la seconde image qui est dans ce cas un Z (les lettres A, Z sur la périphérie du dessin constituent uniquement de points de repère pour la compréhension des figures). Cette seconde image est formée de la même façon que la précédente, mais par des segments perpendiculaires aux segments de l'image précédente.By illuminating or observing the drawing at an acute angle and parallel to the direction D, which is at least approximately perpendicular to one of the directions to which the segments are parallel, we see appear a first image which is an A, this image is formed by segments and fractions of the raised segments of a height higher than that of the other segments, respectively fractions of segments, and perpendicular to the direction D. If one turns the paper value P of 90 ° one sees the second appear image which is in this case a Z (the letters A, Z on the periphery of the drawing constitute only landmarks for understanding the figures). This second image is formed in the same way as the previous one, but by segments perpendicular to the segments of the previous image.
Bien entendu si les deux directions prédéterminées auxquelles sont parallèles les segments ne sont pas perpendiculaires, alors la rotation du papier valeur P doit se faire d'un angle égal à l'angle de ces deux directions.Of course if the two predetermined directions to which the segments are parallel are not perpendicular, then the rotation of the P value paper must be made at an angle equal to the angle of these two directions.
Sur la figure 3 on voit en coupe les différents éléments du dessin de sécurité. Le papier valeur P est couvert d'une couche d'encre 3 présentant trois niveaux différents. Le niveau le plus bas n1 est le niveau entre les segments en relief. Ensuite il y a le niveau n2 qui est celui des segments en relief bas. Les niveaux n1 et n2 forment le fond du dessin de sécurité. Le niveau n3 est celui des segments ou des fractions de segments en relief haut composant l'une ou l'autre des images transitoires.In Figure 3 we see in section the different elements of the safety drawing. The P value paper is covered with a layer of
A titre d'exemple les segments 4 et 5 appartenant à deux groupes adjacents sont des segments ou des fractions de segments en relief bas et appartiennent donc au fond de dessin de sécurité. Les segments 4 sont perpendiculaires au plan de la figure 3 et le segment 5 parallèle à ce plan. Le segment 7 qui est parallèle aux segments 4 est un segment dont la partie supérieure se trouve sur toute sa longueur ou une fraction au niveau le plus élevé n3 et contribue à la composition d'une des images transitoires. La partie supérieure du segment 6, qui s'aligne avec le segment 5 est à deux niveaux. Une première partie est au niveau n3 donc en relief haut, et contribue à la composition de l'autre image transitoire et deux autres parties sont au niveau n2 donc en relief bas, et font partie du fond du dessin.By way of example, the
Le détail illustré en agrandissement à la figure 4 montre également la constitution du dessin de sécurité. Les groupes avec des segments parallèles au bord frontal F du papier valeur P font tous partie du fond du dessin, pendant que les segments perpendiculaires au bord F, appartenant aux autres groupes, composent une image transitoire. Le segment 8 présente une partie supérieure qui est au niveau n3 et une autre qui est au niveau n2. Les segments appartenant au même groupe que le segment 8 ont également leur partie supérieure au niveau n3. Le segment 9 et ceux de son groupe présentent également deux niveaux différents s'étendant sur des longueurs inégales, il est de même pour le segment 10. Les autres segments illustrés, parallèles au segment 10, sont du niveau n3. Tous les segments ou partie de segments de niveau n3 contribuent à la composition d'une image que l'on pourra observer si on éclaire le dessin ou si on le regarde dans une direction parallèle à D'.The detail illustrated in enlargement in FIG. 4 also shows the constitution of the safety drawing. The groups with segments parallel to the front edge F of the value paper P are all part of the background of the drawing, while the segments perpendicular to the edge F, belonging to the other groups, compose a transient image. The segment 8 has an upper part which is at level n3 and another which is at level n2. The segments belonging to the same group as segment 8 also have their upper part at level n3.
Le dessin de sécurité peut occuper, soit une partie d'un papier valeur, comme illustré à la figure 5 soit toute la surface du papier.The security drawing can occupy either part of a valuable paper, as illustrated in FIG. 5, or the entire surface of the paper.
-La déposante a réalisé un dessin- de sécurité sur un billet de banque selon le procédé de taille douce en utilisant les grandeurs suivantes pour les trois niveaux par rapport à la surface du papier valeur.
- n1 = 0,03 mm
- n2 = 0,07 mm
- n3 = 0,14 mm
- n1 = 0.03 mm
- n2 = 0.07 mm
- n3 = 0.14 mm
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84201359T ATE35112T1 (en) | 1983-11-16 | 1984-09-24 | VALUE NOTE. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH6149/83 | 1983-11-16 | ||
CH6149/83A CH662989A5 (en) | 1983-11-16 | 1983-11-16 | VALUE PAPER. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0146151A1 EP0146151A1 (en) | 1985-06-26 |
EP0146151B1 true EP0146151B1 (en) | 1988-06-15 |
Family
ID=4305055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84201359A Expired EP0146151B1 (en) | 1983-11-16 | 1984-09-24 | Security paper |
Country Status (11)
Country | Link |
---|---|
US (1) | US4588212A (en) |
EP (1) | EP0146151B1 (en) |
JP (1) | JPS60155492A (en) |
AT (1) | ATE35112T1 (en) |
AU (1) | AU562166B2 (en) |
BE (1) | BE901846A (en) |
CA (1) | CA1221123A (en) |
CH (1) | CH662989A5 (en) |
DD (1) | DD228669A5 (en) |
DE (1) | DE3472079D1 (en) |
NL (1) | NL188790C (en) |
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-
1983
- 1983-11-16 CH CH6149/83A patent/CH662989A5/en not_active IP Right Cessation
-
1984
- 1984-08-29 US US06/645,268 patent/US4588212A/en not_active Expired - Lifetime
- 1984-08-29 AU AU32495/84A patent/AU562166B2/en not_active Ceased
- 1984-09-03 JP JP59182882A patent/JPS60155492A/en active Pending
- 1984-09-17 CA CA000463329A patent/CA1221123A/en not_active Expired
- 1984-09-24 AT AT84201359T patent/ATE35112T1/en not_active IP Right Cessation
- 1984-09-24 DE DE8484201359T patent/DE3472079D1/en not_active Expired
- 1984-09-24 EP EP84201359A patent/EP0146151B1/en not_active Expired
- 1984-11-13 DD DD84269424A patent/DD228669A5/en not_active IP Right Cessation
-
1985
- 1985-02-28 BE BE0/214584A patent/BE901846A/en not_active IP Right Cessation
- 1985-05-13 NL NLAANVRAGE8501369,A patent/NL188790C/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19845436C5 (en) * | 1998-10-02 | 2015-02-26 | Giesecke & Devrient Gmbh | Intaglio printing method for printing adjacent color areas of different ink layer thickness, data carrier with printed image produced by intaglio printing, printing plate and method for producing a printing plate |
Also Published As
Publication number | Publication date |
---|---|
EP0146151A1 (en) | 1985-06-26 |
CH662989A5 (en) | 1987-11-13 |
NL188790C (en) | 1992-10-01 |
NL188790B (en) | 1992-05-06 |
US4588212A (en) | 1986-05-13 |
CA1221123A (en) | 1987-04-28 |
AU562166B2 (en) | 1987-05-28 |
AU3249584A (en) | 1985-05-23 |
BE901846A (en) | 1985-06-17 |
ATE35112T1 (en) | 1988-07-15 |
DD228669A5 (en) | 1985-10-16 |
DE3472079D1 (en) | 1988-07-21 |
JPS60155492A (en) | 1985-08-15 |
NL8501369A (en) | 1986-12-01 |
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