EP0610917B1 - Sicherheitsvorrichtung gegen Fälschung für Dokumente im allgemeinen - Google Patents
Sicherheitsvorrichtung gegen Fälschung für Dokumente im allgemeinen Download PDFInfo
- Publication number
- EP0610917B1 EP0610917B1 EP94101987A EP94101987A EP0610917B1 EP 0610917 B1 EP0610917 B1 EP 0610917B1 EP 94101987 A EP94101987 A EP 94101987A EP 94101987 A EP94101987 A EP 94101987A EP 0610917 B1 EP0610917 B1 EP 0610917B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- regions
- magnetoresistors
- security device
- security
- detected
- 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
Links
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000000696 magnetic material Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000000976 ink Substances 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 229960005191 ferric oxide Drugs 0.000 description 5
- 235000013980 iron oxide Nutrition 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B42D25/355—Security threads
Definitions
- the present invention relates to an anti-counterfeit security device for documents in general.
- security devices are currently inserted in many documents, such as for example bank notes; these devices are constituted by filaments with such characteristics as to increase the difficulties in reproducing these documents.
- European Patent No. 310,707 which in practice consists in depositing, on a support made of flexible and impermeable material, such as for example a polyester tape, regions of magnetic material, such as iron oxide, which either due to their different thickness or due to their different deposition area have, when passing beneath a magnetic head, a signal/flux directly correlated to the amount of oxide, taking into account that the filament is generally manufactured with a constant width.
- These regions of magnetic material are magnetized by means of a permanent magnet which in practice charges the iron oxide so that it maintains the magnetic flux in order to be a signal-emitting element.
- the signals are detected by magnetic heads which, by means of appropriate electronic devices and associated programs, allow to form a decodable code, according to the thickness, density, position and/or succession of the magnetic regions.
- these regions In order to detect the magnetic flux of the regions composed using iron oxide, these regions must be moving beneath the magnetic head; this movement increases the signal as a function of the speed in a substantially proportional manner.
- this security device is detectable only by means of specifically dedicated devices, and in practice cannot be detected visually, since, as mentioned above, visually it is only possible to identify the presence of a filament, without however being able to determine whether it has the required characteristics.
- Another known solution uses an impermeable flexible support, constituted by a polyester tape or filament, provided with a continuous metal layer that makes said filament conductive and therefore detectable by an apparatus which, however, can only detect the presence or absence of said filament.
- the metal layer has regions without metal which in practice form graphic signals, for example letters or the like, which are visually perceivable and thus detectable directly without using an apparatus.
- the regions without metal i.e. the regions that form the graphic markings, must be fully surrounded by metal in order to avoid altering the metallic continuity of the filament.
- the metal layer can also be obtained by depositing metals through evaporation.
- the document obtained by inserting the filament inside the paper has the particularity that the presence of the filament cannot be detected when it is examined in reflected light, whereas in transmitted light the graphic signals are perfectly legible.
- a considerable problem for this filament is constituted by the fact that it is relatively easy to counterfeit it, since the materials required to form the metal layer and the corresponding graphic markings are normally commercially available; these counterfeits can easily deceive both personnel, when performing a visual inspection, and the equipment for detecting the presence or absence of the filament inside the document.
- the first one i.e. the one provided with the magnetic regions
- the other filament instead can be decoded visually by personnel and can be detected by means of an apparatus that allows to check for the presence of the filament, but on the other hand can be counterfeited in a relatively easy manner.
- WO 92/11142 discloses a magnetic metallic security thread with negative inscription as defined in the preamble of claim 1.
- EP-0 310 707 discloses a document with magnetically detectable anti-forgery and/or anti-fraud means which has the peculiarity of comprising a plate like element embedding at least one strip which support mutually spaced regions obtained by the deposition of magnetic material. such regions are readable with a magnetic reading head.
- WO-92/08226 discloses an unshielded horizontal magnetoresistive head adapted for magnetic sensing and reading.
- a principal aim of the present invention is to solve the problem described above by providing an anti-counterfeit security device for documents in general that can both be decoded by appropriate devices, providing a high degree of intrinsic security, and be decoded visually by virtue of the possibility of detecting graphic markings perceivable in transmitted light.
- Another aim of the invention is to provide a security device that combines the typical characteristics of the known art in two separate elements, allowing to provide a single element, i.e. in practice a single filament having both characteristics.
- Another aim of the present invention is to provide a security device allowing to further increase the security characteristics, offering a wide range of combinations, all of which are aimed at making the document safer by virtue of the practical impossibility for a counterfeiter to detect the security elements.
- Another aim of the present invention is to provide an anti-counterfeit security device for documents in general that can be obtained with simple techniques and can be inserted inside the document like the filaments conventionally used up to now.
- the anti-counterfeit security device for documents in general comprises a supporting element, designated by the reference numeral 1, which is advantageously constituted by a filament or tape made of flexible and impermeable material, for example polyester.
- a first security element that can be detected by devices specifically equipped for this purpose is provided on said filament 1 on one of its faces or possibly on both.
- Said first security device is constituted by regions, designated by the reference numerals 2a, 2b and 2c, which are made of a material detectable by magnetoresistors.
- Said material is constituted for example by a printable ink containing iron dust.
- the various regions 2a, 2b and 2c are formed with different thicknesses and with different percentages of iron dust; these percentages can be constituted, for example, by 15%, 30% and 50% of iron dust mixed in a reflective ink containing some aluminum parts, generally 3%.
- the various regions made of magnetoresistor-detectable material i.e. containing iron dust, are placed in succession so as to form a signal that can be decoded by the magnetoresistors, which can in practice detect, by means of a static measurement, i.e. with no relative motion between the read head and the support, a signal variation produced by the different amount of iron dust, i.e. by the different amount of the material detected by the magnetoresistor.
- a second security element that can be detected visually in transmitted light and is constituted by portions 10 which are free from said magnetoresistor-detectable material, so as to form graphic markings, symbols, letters of the alphabet and so forth, that can be perceived optically in transmitted light.
- said magnetoresistor-detectable material contains iron dust that is ground with a particle size of less than 15 microns, since the finer the pulverization of the iron dust, the higher the optical definition of the lettering and the higher the uniformity of the signal detected by the magnetoresistors.
- an additional security element constituted by regions made of magnetic material 20 which are constituted for example by an iron-oxide ink, so as to produce a code that can be detected by a magnetic read head.
- the magnetic regions must be arranged so as to not interfere with the portions that are free from the magnetoresistor-detectable material, thus without hindering the optical detection of the graphic markings in transmitted light.
- a security device in which said magnetic regions forming a code are provided on a filament, again designated by the reference numeral 1, in which the graphic markings that can be perceived in transmitted light are printed with normal printing ink 30, thus creating two security devices: a magnetic one, that can be detected by magnetic read heads, and an optical one that can be detected against the light.
- the invention achieves the intended aims, and particularly the fact is stressed that a security device is provided that allows, if regions formed with iron dust are used, to perform static-type reading by means of magnetoresistors, since it is possible to create a code by varying the percentages or amounts of iron dust provided in the various regions.
- Another important object of the invention is furthermore constituted by the fact that the security device can be provided visually, by virtue of the possibility of detecting the lettering or graphic markings in transmitted light, on a tape that cannot be counterfeited, since the remaining portions have depositions of material forming a code that can be decoded only by specific devices.
- the materials employed, as well as the contingent shapes and dimensions may be any according to the requirements.
Landscapes
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Credit Cards Or The Like (AREA)
- Burglar Alarm Systems (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Aerials With Secondary Devices (AREA)
- Cleaning In Electrography (AREA)
- Paper (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Claims (7)
- Fälschungssichere Sicherheitsvorrichtung für Dokumente im allgemeinen, welche ein bandartiges Trägerelement umfaßt, das auf wenigstens einer seiner Oberflächen folgendes trägt:ein erstes Sicherheitselement (2; 2a, 2b, 2c), das von nacheinander angeordneten Bereichen gebildet wird, die ein codiertes Signal erzeugen; undein zweites Sicherheitselement (10; 30), das im Durchlicht optisch wahrnehmbar ist;
dadurch gekennzeichnet, daß die Bereiche (2; 2a, 2b, 2c) des ersten Sicherheitselements aus einer Tinte bestehen, die Eisenstaub enthält, der von Magnetowiderständen statisch erfaßt werden kann, wobei das codierte Signal von den Magnetowiderständen decodiert wird; und daß das zweite Sicherheitselement (10; 30) auf wenigstens einigen der Bereiche angeordnet ist und von Abschnitten von wenigstens einigen der Bereiche gebildet wird, die frei von Tinte sind, die Eisenstaub enthält, der durch die Magnetowiderstände statisch erfaßt werden kann, um auf diese Weise graphische Markierungen zu bilden, die im Durchlicht optisch wahrgenommen werden können. - Sicherheitsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß sie ein zusätzliches Sicherheitselement (20) umfaßt, das von Bereichen aus magnetischem Material gebildet wird, die einen Lesecode bilden, wobei die Bereiche aus magnetischem Material an unterschiedlichen Stellen in bezug auf die Bereiche angeordnet sind, die frei sind von dem Material, das von Magnetowiderständen statisch erfaßt werden kann.
- Sicherheitsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Material, das von Magnetowiderständen erfaßt werden kann, Bereiche bildet, die auf das Lesen mit Hilfe von Magnetowiderständen unterschiedlich ansprechen, weil der Prozentsatz des Materials dieser Bereiche unterschiedlich ist.
- Sicherheitsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, das das Material, das von Magnetowiderständen erfaßt werden kann, Bereiche bildet, die auf das Lesen mit Hilfe von Magnetowiderständen unterschiedlich ansprechen, weil die Dicke dieser Bereiche unterschiedlich ist.
- Sicherheitsvorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß das zusätzliche Sicherheitselement (20) Bereiche aus einem magnetischen Material umfaßt, das von einer Druckfarbe (30) bedeckt ist, die an von den Bereichen aus magnetischem Material verschiedenen Stellen Abschnitte bildet, die frei von der Druckfarbe sind, um graphische Markierungen zu bilden, die im Durchlicht optisch wahrgenommen werden können.
- Sicherheitsvorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß das magnetische Material Eisenoxid ist.
- Sicherheitsvorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß sie an dem Sicherheitselement (20) aus magnetischem Material die Sicherheitselemente (2) umfaßt, die aus einem durch Magnetowiderstände erfaßbaren Material bestehen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI930251 | 1993-02-11 | ||
ITMI930251A IT1263970B (it) | 1993-02-11 | 1993-02-11 | Dispositivo di sicurezza antifalsificazione per documenti in genere |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0610917A1 EP0610917A1 (de) | 1994-08-17 |
EP0610917B1 true EP0610917B1 (de) | 2000-04-26 |
EP0610917B2 EP0610917B2 (de) | 2007-07-18 |
Family
ID=11364975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94101987A Expired - Lifetime EP0610917B2 (de) | 1993-02-11 | 1994-02-09 | Sicherheitsvorrichtung gegen Fälschung für Dokumente im allgemeinen |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0610917B2 (de) |
AT (1) | ATE192252T1 (de) |
DE (1) | DE69424075T3 (de) |
DK (1) | DK0610917T3 (de) |
ES (1) | ES2145070T5 (de) |
GR (1) | GR3033915T3 (de) |
IT (1) | IT1263970B (de) |
PT (1) | PT610917E (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5639126A (en) * | 1995-06-06 | 1997-06-17 | Crane & Co., Inc. | Machine readable and visually verifiable security threads and security papers employing same |
GB9607788D0 (en) * | 1996-04-15 | 1996-06-19 | De La Rue Thomas & Co Ltd | Document of value |
DE19650759A1 (de) * | 1996-12-06 | 1998-06-10 | Giesecke & Devrient Gmbh | Sicherheitselement |
IT1296098B1 (it) * | 1997-11-11 | 1999-06-09 | Mantegazza Walter | Filo di sicurezza con informazioni ottiche e magnetiche inseribile in documenti in genere |
FR2771111B1 (fr) * | 1997-11-20 | 1999-12-17 | Arjo Wiggins Sa | Document de securite comportant des particules magnetiques |
DE10131153A1 (de) | 2001-06-28 | 2003-01-16 | Giesecke & Devrient Gmbh | Sicherheitselement |
ITMI20051944A1 (it) * | 2005-10-14 | 2007-04-15 | Fabriano Securities Srl | Elemento di sicurezza per banconote o documenti rappresentanti un valore |
US9892585B2 (en) * | 2009-08-25 | 2018-02-13 | Xerox Corporation | Magnetic watermarking of a printed substrate by metameric rendering |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1696245A1 (de) * | 1967-01-26 | 1972-01-13 | Portal Ltd | Verfahren zur Herstellung von Wertpapier |
US4180207A (en) * | 1976-12-10 | 1979-12-25 | E M I Limited | Security material and secure document system using said material |
US4244998A (en) * | 1976-12-06 | 1981-01-13 | E M I Limited | Patterned layers including magnetizable material |
US4303949A (en) * | 1978-08-01 | 1981-12-01 | Societe Pyral | Magnetic recording device for providing security related information |
US4518919A (en) * | 1981-01-16 | 1985-05-21 | Tokyo Shibaura Denki Kabushiki Kaisha | Detecting device for detecting a magnetic strip embedded in a sheet |
US4756557A (en) * | 1984-12-21 | 1988-07-12 | G.A.O. Gesellschaft Fuer Automation Und Organisation Mbh | Security document having a security thread embedded therein and methods for producing and testing the authenticity of the security document |
US4941687A (en) * | 1989-11-09 | 1990-07-17 | Crane & Co. | Security paper for currency and bank notes |
EP0498186A1 (de) * | 1991-01-17 | 1992-08-12 | GAO Gesellschaft für Automation und Organisation mbH | Sicherheitsdokument und Verfahren zu seiner Herstellung |
US5161829A (en) * | 1990-04-12 | 1992-11-10 | James River Corporation Of Virginia | Security paper and method of manufacturing the same |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3599153A (en) * | 1969-05-23 | 1971-08-10 | United States Banknote Corp | Magnetic authentication of security documents having varying ink level coding |
EP0094775B1 (de) * | 1982-05-18 | 1989-01-04 | EMI Limited | Verfahren zur Vorbereitung und zum Lesen von Information,die in einer magnetischen Schicht permanent aufgezeichnet ist |
IT1222851B (it) * | 1987-10-08 | 1990-09-12 | Mantegazza A Arti Grafici | Codice di identificazione rilevabile magneticamente per contrassegnare prodotti,documenti e simili |
WO1989008166A1 (en) * | 1988-03-04 | 1989-09-08 | GAO GESELLSCHAFT FÜR AUTOMATION UND ORGANISATION m | Security element in the form of a thread or a ribbon for insertion in security documents, and process for producing it |
US5155643A (en) * | 1990-10-30 | 1992-10-13 | Mars Incorporated | Unshielded horizontal magnetoresistive head and method of fabricating same |
DE4041025C2 (de) * | 1990-12-20 | 2003-04-17 | Gao Ges Automation Org | Magnetischer, metallischer Sicherheitsfaden mit Negativschrift |
-
1993
- 1993-02-11 IT ITMI930251A patent/IT1263970B/it active IP Right Grant
-
1994
- 1994-02-09 PT PT94101987T patent/PT610917E/pt unknown
- 1994-02-09 ES ES94101987T patent/ES2145070T5/es not_active Expired - Lifetime
- 1994-02-09 DE DE69424075T patent/DE69424075T3/de not_active Expired - Lifetime
- 1994-02-09 DK DK94101987T patent/DK0610917T3/da active
- 1994-02-09 AT AT94101987T patent/ATE192252T1/de active
- 1994-02-09 EP EP94101987A patent/EP0610917B2/de not_active Expired - Lifetime
-
2000
- 2000-07-07 GR GR20000401600T patent/GR3033915T3/el not_active IP Right Cessation
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1696245A1 (de) * | 1967-01-26 | 1972-01-13 | Portal Ltd | Verfahren zur Herstellung von Wertpapier |
US4244998A (en) * | 1976-12-06 | 1981-01-13 | E M I Limited | Patterned layers including magnetizable material |
US4180207A (en) * | 1976-12-10 | 1979-12-25 | E M I Limited | Security material and secure document system using said material |
US4303949A (en) * | 1978-08-01 | 1981-12-01 | Societe Pyral | Magnetic recording device for providing security related information |
US4518919A (en) * | 1981-01-16 | 1985-05-21 | Tokyo Shibaura Denki Kabushiki Kaisha | Detecting device for detecting a magnetic strip embedded in a sheet |
US4756557A (en) * | 1984-12-21 | 1988-07-12 | G.A.O. Gesellschaft Fuer Automation Und Organisation Mbh | Security document having a security thread embedded therein and methods for producing and testing the authenticity of the security document |
US4941687A (en) * | 1989-11-09 | 1990-07-17 | Crane & Co. | Security paper for currency and bank notes |
US5161829A (en) * | 1990-04-12 | 1992-11-10 | James River Corporation Of Virginia | Security paper and method of manufacturing the same |
EP0498186A1 (de) * | 1991-01-17 | 1992-08-12 | GAO Gesellschaft für Automation und Organisation mbH | Sicherheitsdokument und Verfahren zu seiner Herstellung |
Also Published As
Publication number | Publication date |
---|---|
ES2145070T3 (es) | 2000-07-01 |
DE69424075D1 (de) | 2000-05-31 |
DE69424075T3 (de) | 2008-05-29 |
PT610917E (pt) | 2000-10-31 |
ATE192252T1 (de) | 2000-05-15 |
EP0610917B2 (de) | 2007-07-18 |
ES2145070T5 (es) | 2008-01-16 |
GR3033915T3 (en) | 2000-11-30 |
DK0610917T3 (da) | 2000-09-04 |
ITMI930251A0 (it) | 1993-02-11 |
IT1263970B (it) | 1996-09-05 |
ITMI930251A1 (it) | 1994-08-11 |
EP0610917A1 (de) | 1994-08-17 |
DE69424075T2 (de) | 2000-09-14 |
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