EP1277501B1 - Sicherheitsdokument und dessen Herstellungsverfahren - Google Patents

Sicherheitsdokument und dessen Herstellungsverfahren Download PDF

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Publication number
EP1277501B1
EP1277501B1 EP00104905A EP00104905A EP1277501B1 EP 1277501 B1 EP1277501 B1 EP 1277501B1 EP 00104905 A EP00104905 A EP 00104905A EP 00104905 A EP00104905 A EP 00104905A EP 1277501 B1 EP1277501 B1 EP 1277501B1
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EP
European Patent Office
Prior art keywords
layer
document
game data
reflectance
reflectance value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00104905A
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English (en)
French (fr)
Other versions
EP1277501A1 (de
Inventor
Claude Lambert
Francois Gougeon
Robert Boulay
Denis Mondou
John C. Abraitis
Cayetano Sanchez Iii
Michael A. Ehrhart
Robert M. Hussey
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.)
Oberthur Gaming Technologies Inc
Oberthur Gaming Technologies Corp
Original Assignee
BABN Technologies Inc
Oberthur Gaming Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BABN Technologies Inc, Oberthur Gaming Technologies Inc filed Critical BABN Technologies Inc
Publication of EP1277501A1 publication Critical patent/EP1277501A1/de
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Publication of EP1277501B1 publication Critical patent/EP1277501B1/de
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
    • B41M3/005—Colour cards; Painting supports; Latent or hidden images, e.g. for games; Time delayed images
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F3/00—Board games; Raffle games
    • A63F3/06—Lottos or bingo games; Systems, apparatus or devices for checking such games
    • A63F3/065—Tickets or accessories for use therewith
    • A63F3/0665—Tickets or accessories for use therewith having a message becoming legible after rubbing-off a coating or removing an adhesive layer
    • 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 present invention is directed to documents having an enhanced security system for protecting against fraudulent tampering thereof.
  • the documents are constructed so that they are readable and analyzable by an optical detector.
  • the document is an instant scratch-off lottery ticket having a first security system printed beneath the scratch-off layer and an optional second security system printed above the scratch-off layer each system employing layers having different reflectance values and at least one of the systems having an encoded pattem.
  • Scratch-off lottery tickets are generally divided into several categories; those in the broadest category comprise "instant” lottery games and those of more recent development which comprise “probability” games.
  • Instant lottery games played with instant scratch-off lottery tickets have game data (i.e. information which determines if a prize has been won) covered by a scratch-off layer which hides the game data from view.
  • the purchaser of the lottery ticket removes the entire scratch-off layer to expose all of the game data. If the game data meets certain criteria to establish a winner, then the purchaser of the ticket wins a set prize. Since the purchaser of the ticket is permitted to expose all of the game data, it necessarily follows that not every such lottery ticket has "winning" game data thereon.
  • Probability game type lottery tickets also include a scratch-off layer which hides game data from view.
  • the probability game ticket permits the ticket purchaser to expose only a portion of the game data according to the rules of the game.
  • the purchaser is permitted to remove only a portion of the scratch-off layer.
  • Probability game tickets therefore can be printed with winning game data on each ticket because it is the purchaser's selective removal of a portion of the scratch-off layer which determines if a prize has been won.
  • each ticket is a potential winner which is decided in major part by the selected portions of the scratch-off layer that are removed by the purchaser to expose selected portions of the game data.
  • Both instant and probability game scratch-off tickets may be read by a ticket validating machine.
  • ticket validating machines evaluate a ticket to determine if the ticket is a valid ticket and whether or not it is a winning ticket. Therefore, validating machines must be accurate. They also must provide a rapid evaluation of the ticket to handle the volume of tickets typically sold by a retail establishment without undue inconvenience to the seller and purchaser of the ticket.
  • Fraudulent tampering schemes involving lottery game tickets are often carried out by persons authorized to handle the tickets prior to their official sale. Such persons may be for example, employees of a game ticket manufacturer, employees of a ticket distributer, convenience or grocery store sales clerks, or store owners. Such people who come into contact with lottery tickets have been known to employ various techniques to determine the game data appearing on the ticket. Thus, by engaging in a fraudulent tampering scheme to observe hidden data, the perpetrator can invade tickets before they are sold, select the winning tickets and leave behind the losing tickets of an instant scratch-off lottery ticket type game.
  • the problem of fraudulent tampering of lottery tickets is enhanced when a probability type game is employed. Since every ticket is potentially a winning ticket, the perpetrators of fraudulent tampering know that successful tampering schemes will necessarily produce a winning ticket. Thus, the perpetrator will seek to determine which portions of the scratch-off layer must be removed to provide a winning ticket. Because each ticket is a potential winning ticket, the perpetrators of such schemes know that invasion of the scratch-off layer will produce a winning ticket. Therefore, the commercial success of probability type lottery games is significantly dependent on the development of anti-tampering measures which at least substantially eliminate fraudulent schemes for determining the game data beneath the scratch-off layer.
  • the present invention is generally directed to a document with an enhanced security system in which fraudulent tampering of the document by trying to observe information beneath a scratch-off layer is at least substantially prevented.
  • the document prepared in accordance with the present invention provides the ability to determine whether a ticket has been tampered with by physical, chemical and other means.
  • the document of the present invention can be successfully analyzed to detect unauthorized penetration or removal of the scratch-off layer to improperly reveal game data.
  • the lottery ticket includes a separate security system printed over the scratch-off layer which has an encoded pattern of symbols associated therewith.
  • the present invention is generally directed to a document, especially a scratch-off lottery ticket which has an encoded game data portion imaged on the substrate to provide an effective means for accurately and rapidly detecting fraudulent schemes for improperly determining the game data located beneath a scratch-off layer.
  • the present invention provides for automatic determination of the integrity of the scratch-off layer and recognition of the game data associated encoded pattern by an optical detection system.
  • game data portion shall mean the area of the document that contains game data.
  • the game data portion may be divided into two regions, one region which is the actual symbols or icons used to indicate a prize or play symbol and a second or background region (i.e. non-game data region), typically surrounding the game data.
  • the game data portion is covered by a scratch-off layer.
  • encoded game data portion shall mean that the game data region, the non-game data region or both have a series of symbols in the form of a detectable pattern which can be read and analyzed by a validating machine, typically employing an optical detection system.
  • an encoded game data portion is printed on the substrate which includes a base layer comprising ink having a first reflectance value as measured by the reflectance of a given wavelength of light and a second layer comprised of an ink having a second reflectance value which is different than the first reflectance value.
  • the difference in reflectance values can be detected and analyzed by a validating machine to determine if the ticket is valid or not.
  • the game data provided by the base layer is overprinted with a second layer in an encoded pattern which can be detected by a validating machine to determine authenticity.
  • the lottery ticket 2 generally comprises a substrate 4 which may be made from paper, paperboard, foil laminated to paperboard or the like.
  • the substrate will be in the form of a foil laminated paperboard typically made of aluminum.
  • Substrate 4 has a bottom surface (i.e. made of paper or paperboard) which typically has thereon a bar code printing layer 6, a printed layer containing rules of the game, etc. designated by the numeral 8 and other optional layers 10 such as a vamish or related material used in the scratch-off lottery ticket industry.
  • a printed layer 12 typically comprised of colorful graphics indicating the theme and/or name of the game.
  • the graphics layer can be printed on the substrate by such methods as screen printing, flexographic printing, offset printing, gravure printing, letterpress printing, and the like.
  • Other layers conventionally employed in scratch-off type lottery tickets such as varnish and lacquer containing layers may also be used where appropriate as would be apparent to those skilled in the lottery ticket art.
  • the play area 14 can comprise all or a portion of the top side of the lottery ticket.
  • the play area 14 may comprise two regions 16 and 18.
  • Region 16 includes game data, typically in the form of icons or symbols providing information as to the type of prize that may be won.
  • the second region 18 includes protective varnishes, one or more scratch-off layers and one or more layers generally referred to as overprinting layers.
  • the region 16 as explained in detail hereinafter, contains a first system for combating fraudulent tampering of the lottery ticket.
  • the second region 18 may contain an optional second system for combating fraudulent schemes for detecting the particular game data located beneath the scratch-off layer.
  • the systems for combating fraudulent tampering are desirably machine readable by an optical detection system as described hereinafter.
  • the first region 16 includes at least one base layer 20 which is printed with an ink having a first reflectance value as measured by the reflectance of a given wavelength of light.
  • reflectance shall mean the fraction of the total radiant flux incident upon a surface that is reflected and that varies according to the wavelength distribution of the incident radiation.
  • the preferred given wavelength of light is red light having a range of wavelengths within the red visible spectrum.
  • Other wavelengths of light e.g. white light
  • the reflectance value of the base layer 20 is from about 23 to 43% reflectance.
  • the percentage of reflectance of the base layer 20 is about 33%. This means that 33% of red light from a source when contacted with the base layer 20 will be reflected from the surface of the base layer. The light reflected is detectable by a validating machine.
  • the first region 16 further includes a second layer 22.
  • the second layer is comprised of an ink having a second reflectance value (e.g. from about 0 to 10% reflectance preferably 0% reflectance) which is different than the first reflectance value of the base layer 20, based on the same given wavelength of light (e.g. red light).
  • the difference of the reflectance values between the two layers 20, 22 must be detectable by a validating machine and preferably by an optical detector system contained therein. In other words, it is necessary for the validating machine to be able to differentiate between the base layer and the second layer when the lottery ticket is placed into operable contact with the optical detecting device, typically contained within the validating machine.
  • the game data in the play area is formed by the base layer 20 and the second layer 22. Because the respective layers have different reflectance values, each layer is distinguishable from the other layer by the human eye.
  • the game data can therefore be formed by applying the base layer 20 as a continuous coating and 5 printing the second layer 22 thereover in a pattern that allows the base layer 20 to be seen as game data (e.g. a letter or a number).
  • the base layer 20 can be applied only in the form of the game data and the second layer can be placed around the game data to provide the necessary contrast.
  • the second layer 22 can be printed as the game data over the base layer 20. The cooperation of the two layers therefore provides the play area with game data in the color of one of the layers 20, 22 which is observable because of the contrast with the other of said layers.
  • the play area includes at least one game data associated encoded pattern.
  • game data associated pattern means that the play area contains a pattern of symbols which can be detected by a validating machine and typically by an optical detecting device contained within the validating machine. If the proper pattern of symbols is present, the validating machine will view the document as a valid document. If the pattern of symbols has been altered or removed, the pattern will not be detected by the validating machine and the document will be viewed as invalid.
  • the encoded pattern of symbols can be formed in the play area in the same way the game data is formed by the manner in which the base layer and second layer are applied to the substrate.
  • the encoded pattern can be formed on the game data and/or the area in proximity to the game data (i.e. the non-game data region).
  • the pattern of symbols can be formed by the base layer or the second layer or both as described in detail hereinafter.
  • Figure 2 shows the play area 14 of a lottery ticket in accordance with the present invention.
  • the play area 14 is divided into a series of game data containing cells 24 with each cell containing game data 26 in the form of numbers 5 to 10 and letters J, Q, K and A and a background or non-game data region 28.
  • the game data region 26 is provided in one exemplary method of the present invention by first printing each cell 24 containing game data with a base layer 20 in the form of an ink having a first reflectance value.
  • An example of an ink useful for the base layer is one which is ink jet receptive of a desired color such as PMS-375 which is a reference color known in the printing industry.
  • a second layer 22 of ink selected from other PMS references is then printed over the base layer 20 in a manner which forms the game data region 26 and the non-game data region 28 of the cell 24.
  • the play area 14 and particularly each cell 24 contains an encoded pattern of symbols as explained hereinafter which can appear in the game data region 26 and/or the non-game data region 28. As shown specifically in Figure 2, the identified symbols appear as "dots" and are identified by numeral 33 present in the game data region 26 and by numeral 35 in the non-game data region 28.
  • the symbols 33 appearing in the game data region 26 are formed by printing the symbols in the ink forming the second layer 22 on top of the ink forming the base layer 20.
  • the symbols 33 e.g. dots
  • the symbols 35 appearing in the non-game data region 28 are formed by printing the second layer over the base layer in a discontinuous manner to leave the pattern of dots in the color of the base layer.
  • the dots appear from the base layer as lighter than the overlying, darker second layer.
  • the symbols 33, 35 are arranged in a pattern that can be detected by a validating machine (i.e. an encoded pattern).
  • the pattern of the symbols 33, 35 is sufficient if it can be detected by the validating machine preferably by an optical detecting device contained therein so fraudulent manipulation of the base layer 20 or the second layer 22 will affect the pattern causing the validating machine to differentiate a ticket that has been tampered with and one that has not.
  • the pattern of symbols which is selected for the document should be one that is not readily recognized by casual observance. Patterns of symbols can be developed for example by dividing each cell 24 of the play area 14 into a plurality of subcells as shown in Figure 3C. Each subcell as shown in Figures 3A and 3B comprises a grid of spaces. Some of the spaces will show ink corresponding to the base layer and some corresponding to the second layer according to the selected pattern of symbols. The spaces which are filled with one of the inks thereby forming the "dots" can be selected such that the dots are in a machine readable pattern.
  • FIG. 3A there is shown a subcell 37 containing, for example, twenty-five spaces 38.
  • symbols 33 if the subcell 37 is from the game data region 26, or symbols 35 if the subcell 37 is from the non-game data region 28, are identified as part of an encoded pattern.
  • three symbols 33, 35 form the encoded pattern from all of the symbols that may be contained within an individual subcell 37. If this particular arrangement of three symbols is detected, regardless of the rotational orientation then the validating machine will accept the ticket as valid.
  • the orientation of the symbols 33, 35 as specifically shown in Figure 3A can be rotated in a plane about an axis perpendicular to the plane of rotation to have the appearance as shown in Figure 3B (i.e. the pattern of symbols may be rotated and still be read by the validating machine). Although the untrained eye may view the pattern in Figure 3B as different than that of Figure 3A, nonetheless, the validating machine can interpret the arrangement of the three symbols in Figure 3B to be the equivalent of the arrangement of Figure 3A. On the other hand, if the particular arrangement, regardless of orientation, is not shown, the validating machine will interpret the ticket as an invalid ticket.
  • the pattern of symbols described with reference to Figures 3A - 3B is of the type that is both uniform and complimentary.
  • the pattern is uniform because the same subcell arrangement of symbols as shown in Figure 3A is employed throughout the cell, differing only by the orientation of the pattern in a plane about an axis perpendicular to the plane of orientation as shown for example in Figure 3B.
  • the pattern, as shown best in Figure 3C, is complimentary because the same pattern exists both in the game data region 26 and the non-game data region 28.
  • a pattern of symbols may be applied to only the game data region while a non-game data region has a continuous coating of the base and/or second layers of ink.
  • the pattern of symbols may be applied to only the non-game data region leaving the game data region with only, for example, a continuous coating of the base layer.
  • the pattern of symbols within any one region 26, 28 need not be uniform.
  • the less than all of the subcells within a region may be provided with the pattern of symbols.
  • some of the subcells will contain the pattern and some will not (e.g. those cells that do not contain the pattern may contain a random arrangement of symbols or may contain a separate and distinct pattern of symbols).
  • the symbols 33, 35 arranged in the cells 24 of the game ticket can be employed as an effective anti-tampering system. If the arrangement of symbols 33, 35 regardless of the pattern selected is disrupted because of tampering, the validating machine will interpret the ticket as an invalid ticket and any prize can be refused.
  • the anti-tampering system disclosed with reference to Figures 1-3C enable the detection of fraudulent schemes to tamper with tickets by first providing two layers of inks defining the game data having different reflectance values which can be detected by a validating machine. If the position of the two ink layers (i.e. the base layer and the second layer) in any one of the cells is altered, the alteration can be detected by the validating machine and the ticket will be rendered invalid.
  • the second anti-tampering system also employs the symbols in an encoded pattern arranged in at least some of the cells. If the encoded pattern such as that shown with reference to Figures 3A-3C is altered or disrupted, this will be viewed as an invalid ticket by the validating machine.
  • the lottery ticket of the present invention includes a scratch-off layer covering the game data.
  • the game data portion 16 comprised of the base layer 20 and second layer 22 is typically covered with one or more varnish layers (three layers are shown in Figure 1) which are designated as layers 40, 42 and 44 in Figure 1.
  • two of the layers can contain a clear varnish material customarily used as a protective layer for lottery tickets.
  • the upper most layer 44 is preferably an ultraviolet cured release layer typically made from free radical acrylates which protects the ticket from fraudulent tampering especially by chemical means. More specifically, the ultraviolet cured release layer provides a solid, physical barrier against penetration by common chemicals such as solvents and the like.
  • the ultraviolet cured release layer is also known to facilitate removal of the scratch-off layer because it provides a smooth surface upon which the scratch-off layer is applied.
  • a scratch-off system designated by the numeral 46 provides an opaque covering for the game data so that the purchaser cannot view the game data without removing the scratch-off system 46.
  • the scratch-off system 46 includes at least one layer of an opaque latex typically a black latex opaque coating 48 and at least one, preferably more than one white opaque latex coating 50. As shown specifically in Figure 1, three layers of the white opaque coating are shown.
  • the black latex opaque coating 48 prevents viewing of the game data while the white latex opaque coating 50 provides a foundation for the overprinting of various other layers including ink layers as described in detail hereinafter.
  • an optional second security system applied above the scratch-off system 46 is comprised of at least two different ink layers including a base layer with an ink having a third reflectance value as measured by the reflectance of a given wavelength of light and a second layer comprising an ink having a fourth reflectance value different than the third reflectance value.
  • the base layer and/or the second layer may contain an encoded pattern of symbols.
  • the formation of the encoded pattern of symbols can be achieved in the second security system by printing the second layer over the base layer or by reversing the arrangement of layers.
  • the symbols e.g. dots
  • the symbols may be in the color of the base layer or the second layer.
  • FIG. 1 An embodiment of a second security system 60 is shown in Figure 1.
  • the system 60 is comprised of two layers 62 and 64.
  • the base layer or lower layer 62 comprises an ink having a reflectance value which is preferably different than the reflectance values of layers 20 and 22 previously described and is different than the reflectance value of the upper, second layer 64.
  • the reflectance value of the base layer 62 is preferably from about 90 to 100% reflectance (based on the reflectance of red light) as previously described in connection with the first security system, most preferably about 100% reflectance.
  • the base layer 62 is printed over the white latex layers 50 to completely cover the cells 24 of the play area 14 of the ticket as previously described.
  • the upper layer 64 is printed in an ink having a different reflectance value than the underlying layer 62.
  • the reflectance value of the layer 64 is lower than the layer 62 and is from about 57 to 77% reflectance (based on the reflectance of red light), most preferably about 67% reflectance.
  • the second layer 64 is printed over the base layer 62 in a manner such that an encoded pattern of symbols 66 is provided as shown in Figure 4.
  • a base layer 62 having overprinted thereon a second layer 64 in which the second layer is imprinted in a manner that symbols 66 in the color of the first layer appear on the ticket in an encoded pattern.
  • the symbols 66 can be in any form such as in the form of dots as shown in Figure 4.
  • the pattern of symbols can be formed in the same way as previously described for the first security system including a uniform pattern, a complimentary pattern, neither uniform or complimentary or both uniform and complimentary.
  • the symbols 66 are arranged in a pattern in a manner which enables decoding by a validating machine typically containing an optical detection system so that if the pattern of the symbols is altered in one or more cells of the ticket, the validating machine can detect the tampering and indicate that the ticket is invalid.
  • the second anti-tampering system 60 which appears above the scratch-off layer system 46 and therefore is visible to the purchaser of the ticket before the ticket is played provides at least two measures of security.
  • a ticket at the time of the purchase will have all of the cells of the ticket emitting a first reflectance value corresponding to one of the layers 62, 64 of the second security system 60 and a second reflectance value corresponding to the encoded pattern of symbols from the other of said layers 62, 64. If the scratch-off system 46 is penetrated to observe game data therebelow, the validating machine will detect a change in the reflectance pattern because at least some of the reflectance from layers 22 and or 20 will be present.
  • the validating machine will be able to differentiate between the four layers 20, 22, 62 and 64 because of their respective different reflectance values and if the expected reflectance values are not present the ticket can be declared invalid.
  • the validating machine will be able to detect this alteration and render the ticket invalid.
  • the purchaser is requested to remove the opaque latex layers in less than all of the cells in the game area.
  • the opaque latex system remains intact except for a single cell appearing in the top left hand corner of the game area. This particular cell has the latex system properly removed to expose game data in the form of the number "6". If any one of the other cells was scratched contrary to the rules of the game, that scratch could be detected by the validating machine because the reflectance values of at least one of the layers 20, 22 would be detected in that cell when only the layers 62 and 64 should be detected.
  • documents employing a scratch-off layer system and especially lottery tickets for probability games exhibit enhanced security by the employment of at least the first security system of the present invention described with reference to Figures 1-3C and especially good results are obtained by the incorporation of both security systems encompassed by Figures 1-5.
  • the detection of the layers 20, 22, 62 and 64 based on different reflectance values can be accomplished by conventional means through the employment of an optical detection system including a light source (e.g. for red light from a red LED) which is transmitted into the path of the lottery ticket within a validating machine.
  • a light source e.g. for red light from a red LED
  • Light rays which are reflected from the ticket will be detected by an image sensor (e.g. single element photodetector) which will read portions of the ticket (i.e. pixels) with a typical definition of 330 dpi (dots per inch).
  • the pattern read will be compared to a stored pattern for that ticket.
  • the optical detection system will select the desired stored pattern based on the reading of a bar code appearing typically on the backside of the ticket.
  • the optical detection system typically differentiates reflectance on a scale of 0 to 255, with 0 being black and 255 being white. Thus, 67% reflectance will be indicated on the above scale as having a value of about 164. 33% reflectance will be indicated on the above scale as having a value of about 82.
  • At least one layer 70 which is invisible to the human eye but sensitive to a detectable wavelength of light such as near infrared. If attempts are made to replace the scratch-off layers by any other similar printed layers or photocopies of these scratch-off layers are placed over the game area (cell). The absence of 5 this near infrared reflectance layer will be detected by the validating machine.
  • the layer 70 is preferably made from a near-infrared fluorescent dye and is formulated into a printing varnish to be applied over at least the scratch-off layer of the ticket.

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Claims (38)

  1. Dokument mit:
    a) einem Substrat (4),
    b) einem codierten Spieldatenabschnitt (16), der auf dem Substrat (4) abgebildet ist, wobei der codierte Spieldatenabschnitt (16) folgendes aufweist:
    1) eine Basisschicht (20), die mit einer Tinte gedruckt ist, die einen durch die Reflexionsfähigkeit einer gegebenen Lichtwellenlänge gemessenen ersten Reflexionsfähigkeitswert aufweist,
    2) eine zweite Schicht (22) mit einer Tinte, die einen durch die Reflexionsfähigkeit der gegebenen Lichtwellenlänge gemessenen, von dem ersten Reflexionsfähigkeitswert verschiedenen zweiten Reflexionsfähigkeitswert aufweist,
    wobei die Basisschicht und die zweite Schicht zusammen einen Spieldatenbereich (26) und einen Nicht-Spieldatenbereich (28) definieren und mindestens einer der Bereiche (26, 28) ein zugeordnetes codiertes Symbolmuster (33, 35) aufweist, und
    c) mindestens einer abkratzbaren Schicht (46) über dem codierten Spieldatenabschnitt (16).
  2. Dokument nach Anspruch 1, wobei der zweite Reflexionsfähigkeitswert kleiner als der erste Reflexionsfähigkeitswert ist.
  3. Dokument nach Anspruch 1, wobei die gegebene Lichtwellenlänge ein rotes Licht ist.
  4. Dokument nach Anspruch 1, wobei der zweite Reflexionsfähigkeitswert von etwa 0 bis 10 % reicht.
  5. Dokument nach Anspruch 1, wobei der zweite Reflexionsfähigkeitswert 0 % beträgt.
  6. Dokument nach Anspruch 1, wobei der erste Reflexionsfähigkeitswert von etwa 23 bis 43 % reicht.
  7. Dokument nach Anspruch 6, wobei der erste Reflexionsfähigkeitswert etwa 33 % beträgt.
  8. Dokument nach Anspruch 1, wobei das codierte Symbolmuster (33, 35) sowohl in dem Spieldatenbereich (26) als auch in dem Nicht-Spieldatenbereich (28) erscheint.
  9. Dokument nach Anspruch 1, wobei das codierte Symbolmuster (33, 35) in weniger als dem ganzen Spieldatenbereich (26) oder dem ganzen Nicht-Spieldatenbereich (28) erscheint.
  10. Dokument nach Anspruch 1, wobei das codierte Symbolmuster eine feste Anordnung der Symbole in mehr als einer Drehorientierung aufweist.
  11. Dokument nach Anspruch 1, wobei das codierte Symbolmuster (33, 35) für mindestens einen der Bereiche (26, 28) von dem codierten Symbolmuster (33, 35) für einen anderen der Bereiche (26, 28) verschieden ist.
  12. Dokument nach Anspruch 1, wobei der codierte Spieldatenabschnitt (16) wenigstens eine Zelle (24) mit einem Spieldatenbereich (26) und einem Nicht-Spieldatenbereich (28) aufweist, wobei sowohl auf den Spieldatenbereich (26) als auch auf den Nicht-Spieldatenbereich (28) die Basisschicht (20) aufgedruckt ist, wobei der Spieldatenbereich (26) des weiteren die zweite Schicht (22) in einem ersten codierten Symbolmuster (33) aufgedruckt umfaßt.
  13. Dokument nach Anspruch 12, wobei die zweite Schicht (22) in einer Weise auf den Nicht-Spieldatenbereich aufgedruckt ist, daß darauf ein zweites codiertes symbolmuster (35) verbleibt.
  14. Dokument nach Anspruch 13, wobei der Nicht-Spieldatenbereich (28) eine zweite Schicht (22) mit Nicht-Spieldaten aufweist, die dem codierten Symbolmuster von der darauf vorhandenen Basisschicht (20) zugeordnet sind.
  15. Dokument nach Anspruch 1, das des weiteren mindestens eine zusätzliche Schicht (62, 64) aufweist, die auf die mindestens eine abkratzbare Schicht (46) gedruckt ist und auf der sich ein der abkratzbaren Schicht zugeordnetes codiertes Muster befindet.
  16. Dokument nach Anspruch 15, wobei die zusätzliche Schicht (62, 64) folgendes aufweist:
    3) eine dritte Schicht (62), die mit einer Tinte gedruckt ist, die einen durch die gegebene Lichtwellenlänge gemessenen dritten Reflexionsfähigkeitswert aufweist,
    4) eine vierte Schicht (64), die mit einer Tinte gedruckt ist, die einen durch die gegebene Lichtwellenlänge gemessenen, von dem dritten Reflexionsfähigkeitswert verschiedenen vierten Reflexionsfähigkeitswert aufweist.
  17. Dokument nach Anspruch 15, wobei der vierte Reflexionsfähigkeitswert kleiner als der dritte Reflexionsfähigkeitswert ist.
  18. Dokument nach Anspruch 17, wobei der dritte Reflexionsfähigkeitswert von etwa 90 bis 100 % reicht.
  19. Dokument nach Anspruch 18, wobei der dritte Reflexionsfähigkeitswert 100 % beträgt.
  20. Dokument nach Anspruch 19, wobei der vierte Reflexionsfähigkeitswert von etwa 57 bis 77 % reicht.
  21. Dokument nach Anspruch 20, wobei der vierte Reflexionsfähigkeitswert etwa 67 % beträgt.
  22. Dokument nach Anspruch 15, wobei das der abkratzbaren Schicht zugeordnete Muster ein codiertes Symbolmuster (66) über mindestens einem Abschnitt der abkratzbaren Schicht (46) aufweist.
  23. Dokument nach Anspruch 22, wobei das zweite codierte Symbolmuster eine feste Anordnung von Symbolen (66) in mehr als einer Drehorientierung aufweist.
  24. Dokument nach Anspruch 16, wobei die zusätzliche Schicht (62, 64) eine Anzahl von Zellen abdeckt, wobei jede Zelle mit dem zweiten codierten Muster Symbole (66) der auf die dritte Schicht (62) gedruckten vierten Schicht (64) aufweist.
  25. Dokument nach Anspruch 1, das des weiteren eine Schicht (70) aufweist, die für das menschliche Auge unsichtbar ist und einen vorgewählten Reflexionsfähigkeitswert für eine gegebene Lichtwellenlänge aufweist.
  26. Dokument nach Anspruch 25, wobei die Schicht (70) das nahe Infrarotspektrum reflektiert.
  27. Dokument nach Anspruch 1 in Form eines Lotteriescheins (2).
  28. Verfahren zum Erkennen des Manipulierens eines Dokuments, mit:
    a) einem Substrat (4),
    b) einem codierten Spieldatenabschnitt (16), der auf dem Substrat (4) abgebildet ist, wobei der codierte Spieldatenabschnitt (16) folgendes aufweist:
    1) eine Basisschicht (20), die mit einer Tinte gedruckt ist, die einen durch die Reflexionsfähigkeit einer gegebenen Lichtwellenlänge gemessenen ersten Reflexionsfähigkeitswert aufweist,
    2) eine zweite Schicht (22) mit einer Tinte, die einen durch die Reflexionsfähigkeit der gegebenen Lichtwellenlänge gemessenen, von dem ersten Reflexionsfähigkeitswert verschiedenen zweiten Reflexionsfähigkeitswert aufweist,
    wobei die Basisschicht und die zweite Schicht zusammen einen Spieldatenbereich (26) und einen Nicht-Spieldatenbereich (28) definieren und mindestens einer der Bereiche (26, 28) ein zugeordnetes codiertes Symbolmuster (33, 35) aufweist, und
    c) mindestens einer abkratzbaren Schicht (46) über dem codierten Spieldatenabschnitt (16),
    wobei das Verfahren In-Kontakt-Bringen des Dokuments mit der gegebenen Lichtwellenlänge, das Erfassen eines bei dem Kontaktierschritt erhaltenen Reflexionsfähigkeitswert des Dokuments und das Vergleichen des Reflexionsfähigkeitswerts mit einem Standard-Reflexionsfähigkeitswert für das Dokument umfaßt.
  29. Verfahren nach Anspruch 28, das das Erfassen des Reflexionsfähigkeitswerts von der Basisschicht (20) und/oder der zweiten Schicht (22) umfaßt.
  30. Verfahren nach Anspruch 29, das das Erfassen des Reflexionafähigkeitswerts des codierten Symbolmusters (33, 35) umfaßt.
  31. Verfahren nach Anspruch 28, wobei das Dokument des weiteren mindestens eine über die mindestens eine abkratzbare Schicht (46) gedruckte zusätzliche Schicht (62, 64) aufweist, wobei sich darauf ein der abkratzbaren Schicht zugeordnetes codiertes Muster befindet, wobei das Verfahren des weiteren das Erfassen des Reflexionsfähigkeitswerts der zusätzlichen Schicht (62, 64) und das vergleichen des Reflexionsfähigkeitswerts mit einem von einem Standardwert für das Dokument erhaltenen Reflexionsfähigkeitswert umfaßt.
  32. Verfahren nach Anspruch 28, wobei das Dokument des weiteren eine für das menschliche Auge unsichtbare Schicht (70) aufweist, die für eine gegebene Lichtwellenlänge einen vorgewählten Reflexionsfähigkeitswert aufweist, wobei das Verfahren In-Kontakt-Bringen des Dokuments mit der gegebenen Lichtwellenlänge, das Erfassen des Reflexionsfähigkeitswerts der unsichtbaren Schicht (70) und das Vergleichen des Reflexionsfähigkeitswerts mit einem Standard-Reflexionsfähigkeitswert für das Dokument umfaßt.
  33. Verfahren nach Anspruch 32, das das In-Kontakt-Bringen des Dokuments mit einer Lichtquelle im nahen Infrarot umfaßt.
  34. Verfahren zur Herstellung eines manipulationssicheren Dokuments, bei dem auf ein Substrat (4) ein codierter Spieldatenabschnitt (16) aufgebracht wird, der folgendes aufweist:
    1. eine Basisschicht (20), die mit einer Tinte gedruckt ist, die einen durch die Reflexionsfähigkeit einer gegebenen Lichtwellenlänge gemessenen ersten Reflexionsfähigkeitswert aufweist,
    2. eine zweite Schicht (22) mit einer Tinte, die einen durch die Reflexionsfähigkeit der gegebenen Lichtwellenlänge gemessenen, von dem ersten Reflexionsfähigkeitswert verschiedenen zweiten Reflexionsfähigkeitswert aufweist,
    wobei die Basisschicht (20) und die zweite Schicht (22) zusammen einen Spieldatenbereich (26) und einen Nicht-Spieldatenbereich (28) definieren und mindestens einer der Bereiche (26, 28) ein zugeordnetes codiertes Symbolmuster (33, 35) aufweist, und
    wobei mindestens eine abkratzbare Schicht (46) über den codierten Spieldatenabschnitt (16) aufgebracht wird.
  35. verfahren nach Anspruch 34, das des weiteren das Aufbringen mindestens einer zusätzlichen Schicht (62, 64) über die abkratzbare Schicht (46) umfaßt, auf der sich ein der abkratzbaren Schicht zugeordnetes codiertes Muster befindet.
  36. Verfahren nach Anspruch 35, das das Aufbringen einer mit Tinte gedruckten dritten Schicht (62) umfaßt, die einen durch die gegebene Lichtwellenlänge gemessenen dritten Reflexionsfähigkeitswert aufweist, und das Aufbringen einer vierten Schicht (64), die mit einer Tinte gedruckt ist, die einen von dem dritten Reflexionsfähigkeitswert verschiedenen, durch die gegebene Lichtwellenlänge gemessenen vierten Reflexionsfähigkeitswert aufweist, umfaßt.
  37. Verfahren nach Anspruch 34, das des weiteren das Aufbringen einer für das menschliche Auge unsichtbaren Schicht (70) umfaßt, die einen vorgewählten Reflexionsfähigkeitswert für eine gegebene Lichtwellenlänge aufweist.
  38. Verfahren nach Anspruch 37, wobei die gegebene Lichtwellenlänge aus dem nahen Infrarotspektrum ist.
EP00104905A 1998-10-01 1999-09-29 Sicherheitsdokument und dessen Herstellungsverfahren Expired - Lifetime EP1277501B1 (de)

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GB2406828B (en) * 2004-05-25 2005-11-23 Namitech Ltd A process for manufacturing a scratch card
ITMI20101586A1 (it) * 2010-08-31 2012-03-02 Ivan Brignani Procedimento per la produzione di un articolo stampato per concorsi istantanei

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US4095824A (en) * 1976-07-01 1978-06-20 Dittler Brothers, Inc. Secure contest card
JPH06164914A (ja) * 1992-11-20 1994-06-10 Toppan Printing Co Ltd 複写防止方法及び複写機
US5532046A (en) * 1994-02-14 1996-07-02 Dittler Brothers Incorporated Simulated foil card
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