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EP0707731B1 - Identification card - Google Patents

Identification card Download PDF

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Publication number
EP0707731B1
EP0707731B1 EP94909075A EP94909075A EP0707731B1 EP 0707731 B1 EP0707731 B1 EP 0707731B1 EP 94909075 A EP94909075 A EP 94909075A EP 94909075 A EP94909075 A EP 94909075A EP 0707731 B1 EP0707731 B1 EP 0707731B1
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EP
European Patent Office
Prior art keywords
fingerprint
fact
fingerprints
taken
identification card
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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
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EP94909075A
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German (de)
French (fr)
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EP0707731A1 (en
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Alfons Behnke
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Individual
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Individual
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
    • G07C9/25—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition
    • G07C9/26—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition using a biometric sensor integrated in the pass
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/22—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder
    • G07C9/25—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition
    • G07C9/257—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder using biometric data, e.g. fingerprints, iris scans or voice recognition electronically

Definitions

  • the invention relates to identification cards, such as those used in a variety of forms and configurations at banks, in trade and in industry. Examples of such cards are: identity cards, check cards, credit cards, authorization cards for locking systems, safes etc., other security papers, savings books, certificates.
  • an identification card is described on which a person's fingerprint is stored in coded form.
  • This saved Fingerprint is encoded with a characteristic coding key derived from this fingerprint according to a predetermined rule. Only when there is a match between the natural fingerprint and the fingerprint encoded on the identification card does a release signal occur.
  • the effort for coding and decrypting and comparing the coding is not insignificant.
  • EP 0504 616 A1 discloses a device in which a fingerprint reader measures the fingerprint directly on the user. An identification code is derived from the measured fingerprint. A comparison of the print stored on the identification card with the authentic print proves the authorization of the card user.
  • WO-A-86/0 6527 mentions connecting an online fingerprinting and comparing device to a central database.
  • the support surface for the finger to be imaged is in the form of the fingertip, i.e. rounded.
  • the generation of a signal tone when an identification card is used to walk through a passage results from WO - A - 89/12287.
  • the object of the invention is an identification card which enables coding and checking in a simple manner and which cannot be used by a third party in the event of theft or loss.
  • a method for encoding identification cards by means of fingerprints in which the cardholder takes a plurality of fingerprints from a fingerprint sensor. From the fingerprints taken, an imprint is applied as a key code to the identification card, and after a scrambling key, at least one of the other fingerprints is selected and stored as an identification code.
  • all fingers of both hands including the thumbs for creating the key code and the identification code, are removed by a fingerprint sensor. This has the advantage for many people who use the card little and in particular also for older people that they do not need to remember which fingers made the prints during the coding.
  • the cardholder does not need to know the fingerprint selected as the key code. He's going for one Above all, laypeople cannot be realized if only a certain part of the fingerprint is used as coding. Knowing the finger from which the key code originates is of little value even for an unauthorized person, since it is only the key code that does not yet allow the identification card to be used.
  • the key coding is carried out only by pressing certain fingers. If you combine this form of coding with a measure known per se, which makes the card unusable if the key coding does not match the natural fingerprint, a further security level is installed.
  • the identification code can consist of a single fingerprint or of several. Multiple fingerprints increase security. Given the diversity of fingerprints, a single print is also sufficient.
  • the method for identifying an identification card encoded according to one of claims 1 to 4 is that the cardholder takes a plurality of fingerprints by means of a fingerprint sensor, that the fingerprints taken are compared with the key code - fingerprint on the identification card a memory is opened and if a natural fingerprint matches the key code - fingerprint of the identification card is that the fingerprint selected and stored according to a scrambling key is compared with the taken natural fingerprints and that if one of the taken natural fingerprints matches the stored fingerprint, a release signal is given.
  • This identification process is simple to carry out and requires only a relatively small amount of equipment at the location of the identification card. If one considers that the annual volume of credit card fraud alone amounts to 100 million marks in Germany, the advantage of the double-secured fingerprint identification card according to the invention is remarkable. Professionals use a card to damage up to 100,000 marks.
  • the cardholder pushes his identification card into a fingerprint acceptance and comparison device and places a plurality or all of the fingers of both hands on the fingerprint sensor.
  • the sensor surface is arcuate, so that all fingers including the thumb come into contact well.
  • a memory is opened by means of a signal, which contains the fingerprint of the cardholder selected according to a scrambling system.
  • This memory can be a local terminal at the location where the card is used.
  • a central terminal that is connected online to the fingerprint acceptance and comparison device at the place of use is more advantageous.
  • the stored fingerprint is compared with the transmitted fingerprints and, if the stored fingerprint matches one of the transmitted fingerprints, the identification card is released.
  • an identification card can be provided with at least one further key code fingerprint. A corresponding identification code fingerprint is then assigned to this in the memory.
  • Such cards are useful if several people use the card for the same purpose at different times. The number of cards issued is thereby kept low.
  • Such an identification card can also be used instead of an easily forged proxy for e.g. Withdrawals can be used.
  • An advantageous embodiment of the invention consists in storing the key code fingerprint in a hologram on the identification card.
  • the methods according to the invention described can also be used according to the invention to identify holders of paintings, porcelain, valuable prints and other objects of art.
  • a key code fingerprint is applied to the painting, etc., which can only be removed by removing it.
  • the key code imprint on the painting is compared in the same way with a specific one natural fingerprint of the holder. For double security, a specific natural fingerprint of the holder is then compared with a specific scrambled fingerprint of the holder and stored in a terminal.
  • Standard devices can be used as a fingerprint sensor.
  • the methods according to the invention can be carried out particularly well if the sensor surface is curved. This means that all fingers, including the thumbs, rest easily and completely.
  • a particularly advantageous arcuate configuration consists in a rotatable drum, in particular with a diameter that is sufficient but also large enough for the placement.
  • Another advantageous embodiment is a ribbon-shaped transparent film.
  • the sensor surface is passed through a cleaning bath after the fingerprints have been removed. This is particularly useful for the immediate removal of the prints from the sensor surface so that they cannot be removed.
  • the fingerprint acceptance and comparison device is arranged in a room, the input of which can be locked immediately by a signal as soon as the key code and / or identification code fingerprints of the user do not match those of the legitimate cardholder .
  • the additional arrangement of a camera and alarm device supports this measure.
  • a drawing of an identification card according to the invention is shown in the drawing.
  • the key code fingerprint is applied at point A.

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  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Collating Specific Patterns (AREA)
  • Credit Cards Or The Like (AREA)
  • Holo Graphy (AREA)
  • Polarising Elements (AREA)
  • Storage Device Security (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)

Abstract

PCT No. PCT/EP94/00565 Sec. 371 Date Jan. 4, 1996 Sec. 102(e) Date Jan. 4, 1996 PCT Filed Feb. 26, 1994 PCT Pub. No. WO95/02225 PCT Pub. Date Jan. 19, 1995A method of codifying and comparing an identification card includes imprinting the identification card with a selected fingerprint of the owner which upon match with a corresponding natural fingerprint of the owner opens the access to a terminal that stores another fingerprint of the owner. If a comparison of this stored fingerprint matches also the corresponding natural fingerprint of the owner, the identification card is cleared for use.

Description

Die Erfindung betrifft Identifikationskarten, wie diese in vielfältiger Form und Ausgestaltung bei Banken, im Handel und in der Industrie Verwendung finden. Als Beispiele für derartige Karten seien genannt: Personalausweise, Scheckkarten, Kreditkarten, Berechtigungsausweise für Schließanlagen, Tresore etc., andere Sicherheitspapiere, Sparbücher, Urkunden.The invention relates to identification cards, such as those used in a variety of forms and configurations at banks, in trade and in industry. Examples of such cards are: identity cards, check cards, credit cards, authorization cards for locking systems, safes etc., other security papers, savings books, certificates.

Um eine unberechtigte Benutzung derartiger Karten zu verhindern, sind bereits die verschiedensten Sicherheitsmaßnahmen vorgeschlagen worden, z.B. Geheimnummern und Lichtbilder. Erstere können durch Beobachtungen leicht festgestellt werden. Lichtbilder veralten und sind nicht fälschungssicher.Various security measures have already been proposed to prevent unauthorized use of such cards, e.g. Secret numbers and photos. The former can easily be determined by observations. Photographs are outdated and are not counterfeit-proof.

Es ist ferner vorgeschlagen worden, zur Identifizierung des Karteninhabers einen seiner Fingerabdrücke zu verwenden. Gemäß DE 42 18 821 A1 ist ein Fingerabdruck des Karteninhabers auf der Kreditkarte aufgedruckt. Bei Benutzung wird der natürliche Fingerabdruck des Karteninhabers mit dem auf der Karte befindlichen Abdruck verglichen. Auch Fingerabdrücke sind nicht fälschungssicher und können zusammen mit der Kreditkarte nachgeahmt und kopiert werden.It has also been proposed to use one of his fingerprints to identify the cardholder. According to DE 42 18 821 A1, a fingerprint of the cardholder is printed on the credit card. In use, the cardholder's natural fingerprint is compared to the print on the card. Even fingerprints are not counterfeit-proof and can be copied and copied together with the credit card.

Gemäß der DE 3335 678 A1 wird eine Identifizierungskarte beschrieben, auf der ein Fingerabdruck einer Person in kodierter Form gespeichert ist. Dieser gespeicherte Fingerabdruck ist mit einem von diesem Fingerabdruck nach einer vorbestimmten Regel abgeleiteten charakteristischen Kodierungsschlüssel kodiert. Nur wenn bei einem Vergleich des natürlichen Fingerabdrucks mit dem auf der Identifizierungskarte kodierten Fingerabdruck eine Übereinstimmung besteht, erfolgt ein Freigöbesignal.According to DE 3335 678 A1, an identification card is described on which a person's fingerprint is stored in coded form. This saved Fingerprint is encoded with a characteristic coding key derived from this fingerprint according to a predetermined rule. Only when there is a match between the natural fingerprint and the fingerprint encoded on the identification card does a release signal occur.

Der Aufwand für das Kodieren und das Entschlüsseln und Vergleichen der Kodierung ist nicht unerheblich.The effort for coding and decrypting and comparing the coding is not insignificant.

Aus EP 0504 616 A 1 geht eine Einrichtung hervor, bei der ein Fingerabdruckleser den Fingerabdruck unmittelbar am Benutzer misst. Vom gemessenen Fingerabdruck wird ein Identifikationscode abgeleitet. Ein Vergleich des auf der Identifikationskarte gespeicherten Abdrucks mit dem authentischen Abdruck beweist die Berechtigung des Kartenbenutzers.EP 0504 616 A1 discloses a device in which a fingerprint reader measures the fingerprint directly on the user. An identification code is derived from the measured fingerprint. A comparison of the print stored on the identification card with the authentic print proves the authorization of the card user.

In WO-A-86/ 0 6527 ist erwähnt, eine Fingerabdruckabnahme und -Vergleichseinrichtung online mit einer zentralen Datenbank zu verbinden.WO-A-86/0 6527 mentions connecting an online fingerprinting and comparing device to a central database.

In Fig. 1 von EP 0 379 333 Al ist die Auflagefläche für den abzubildenden Finger in Form der Fingerkuppe ausgebildet, d.h. abgerundet.In Fig. 1 of EP 0 379 333 A1 the support surface for the finger to be imaged is in the form of the fingertip, i.e. rounded.

Die Speicherung von Fingerabdrücken in Hologrammen geht aus DE - A - 33 35 678 hervor.The storage of fingerprints in holograms is evident from DE - A - 33 35 678.

Das Erzeugen eines Signaltons bei Benutzung einer Identifikationskarte zum Durchschreiten eines Durchganges ergibt sich aus WO - A - 89/12287. Aufgabe der Erfindung ist eine Identifikationskarte, die auf einfache Weise eine Kodierung und eine Prüfung ermöglicht sowie bei Diebstahl oder Verlust nicht von einem Dritten benutzt werden kann.The generation of a signal tone when an identification card is used to walk through a passage results from WO - A - 89/12287. The object of the invention is an identification card which enables coding and checking in a simple manner and which cannot be used by a third party in the event of theft or loss.

Gemäß der Erfindung wird ein Verfahren zum Kodieren von Identifikationskarten mittels Fingerabdrücke vorgeschlagen, bei dem vom Karteninhaber eine Mehrzahl von Fingerabdrücken von einem Fingerabdrucksensor abgenommen wird. Von den abgenommenen Fingerabdrücken wird ein Abdruck als Schlüsselkode auf die Identifikationskarte aufgebracht und nach einem Vervürfelungsschlüssel wird mindestens einer der anderen Fingerabdrücke als Identifizierungskode ausgewählt und gespeichert.According to the invention, a method for encoding identification cards by means of fingerprints is proposed, in which the cardholder takes a plurality of fingerprints from a fingerprint sensor. From the fingerprints taken, an imprint is applied as a key code to the identification card, and after a scrambling key, at least one of the other fingerprints is selected and stored as an identification code.

Nach einer Ausbildung der Erfindung werden alle Finger beider Hände, einschließlich der Daumen für die Erstellung des Schlüsselkodes und des Identifizierungskodes von einem Fingerabdrucksensor abgenommen. Dies hat für viele Menschen, die die Karte wenig benutzen und insbesondere auch für ältere Menschen den Vorteil, daß diese sich nicht merken brauchen, von welchen Fingern die Abdrucke bei der Kodierung gemacht wurden.According to an embodiment of the invention, all fingers of both hands, including the thumbs for creating the key code and the identification code, are removed by a fingerprint sensor. This has the advantage for many people who use the card little and in particular also for older people that they do not need to remember which fingers made the prints during the coding.

Der als Schlüsselkode ausgewählte Fingerabdruck muß dem Karteninhaber nicht bekannt sein. Er wird für einen Laien vor allem dann nicht realisierbar sein, wenn nur ein bestimmter Teil des Fingerabdrucks als Kodierung verwendet wird. Die Kenntnis des Fingers, von dem der Schlüsselkode stammt, ist auch für einen Unberechtigten von geringem Wert, da es sich nur um den Schlüsselkode handelt, der noch keine Benutzung der Identifikationskarte ermöglicht.The cardholder does not need to know the fingerprint selected as the key code. He's going for one Above all, laypeople cannot be realized if only a certain part of the fingerprint is used as coding. Knowing the finger from which the key code originates is of little value even for an unauthorized person, since it is only the key code that does not yet allow the identification card to be used.

Für die Vervürfelung bietet die Vielzahl der Abdrücke eine größere Sicherheit. Verwürfelungsschlüssel und - methoden sind bekannt.The large number of impressions offers greater security for scrambling. Scrambling keys and methods are known.

Nach einer weiteren Ausbildung der Erfindung erfolgt die Schlüsselkodierung nur von Abdrücken bestimmter Finger. Kombiniert man diese Form der Kodierung mit einer an sich bekannten Maßnahme, die bei Nichtübereinstimmung von Schlüsselkodierung mit dem natürlichen Fingerabdruck die Karte unbrauchbar macht, so ist eine weitere Sicherheitsstufe eingebaut.According to a further embodiment of the invention, the key coding is carried out only by pressing certain fingers. If you combine this form of coding with a measure known per se, which makes the card unusable if the key coding does not match the natural fingerprint, a further security level is installed.

Der Identifizierungskode kann aus einem einzigen Fingerabdruck bestehen oder aus mehreren. Mehrere Fingerabdrücke erhöhen die Sicherheit. Bei der Unterschiedlichkeit von Fingerabdrücken ist ein einziger Abdruck aber auch völlig ausreichend.The identification code can consist of a single fingerprint or of several. Multiple fingerprints increase security. Given the diversity of fingerprints, a single print is also sufficient.

Gemäß einem weiteren Vorschlag der Erfindung besteht das Verfahren zum Identifizieren einer nach einem der Ansprüche 1 bis 4 kodierten Identifikationskarte darin, daß vom Karteninhaber eine Mehrzahl von Fingerabdrücken mittels eines Fingerabdrucksensors abgenommen werden, -daß die abgenommenen Fingerabdrücke mit dem Schlüsselkode - Fingerabdruck auf der Identifikationskarte verglichen werden und bei einer Übereinstimnung eines natürlichen Fingerabdrucks mit dem Schlüsselkode - Fingerabdruck der Identifikationskarte ein Speicher geöffnet wird, daß der nach einem Verwürfelungsschlüssel ausgewählte und gespeicherte Fingerabdruck mit den abgenommenen natürlichen Fingerabdrücken verglichen wird und daß im Falle der übereinstimmung einer der abgenommenen natürlichen Fingerabdrücke mit dem gespeicherten Fingerabdruck ein Freigabesignal erfolgt.According to a further proposal of the invention, the method for identifying an identification card encoded according to one of claims 1 to 4 is that the cardholder takes a plurality of fingerprints by means of a fingerprint sensor, that the fingerprints taken are compared with the key code - fingerprint on the identification card a memory is opened and if a natural fingerprint matches the key code - fingerprint of the identification card is that the fingerprint selected and stored according to a scrambling key is compared with the taken natural fingerprints and that if one of the taken natural fingerprints matches the stored fingerprint, a release signal is given.

Dieses Identifizierungsverfahren ist einfach durchzuführen und bedarf am Einsatzort der Identifikationskarte nur eines relativ geringen Aufwandes an apparativer Einrichtung. Bedenkt man, daß das jährliche Volumen allein an Kreditkartenbetraug 100 Millionen Mark in Deutschland beträgt, so ist der Vorteil der erfindungsgemäß doppelt gesicherten Fingerabdruck - Identifikationskarte beachtlich. Profis richten mit einer Karte Schäden bis zu 100.000.-- Mark an.This identification process is simple to carry out and requires only a relatively small amount of equipment at the location of the identification card. If one considers that the annual volume of credit card fraud alone amounts to 100 million marks in Germany, the advantage of the double-secured fingerprint identification card according to the invention is remarkable. Professionals use a card to damage up to 100,000 marks.

Bei dem erfindungsgemäßen Identifizierungsverfahren schiebt der Karteninhaber seine Identifikationskarte in eine Fingerabdruck - Abnahme- und Vergleichseinrichtung und legt eine Mehrzahl oder alle Finger beider Hände auf den Fingerabdrucksensor. Gemäß einem weiteren Vorschlag der Erfindung ist die Sensorfläche bogenförmig ausgebildet, so daß alle Finger einschließlich der Daumen gut zur Anlage kommen.In the identification method according to the invention, the cardholder pushes his identification card into a fingerprint acceptance and comparison device and places a plurality or all of the fingers of both hands on the fingerprint sensor. According to a further proposal of the invention, the sensor surface is arcuate, so that all fingers including the thumb come into contact well.

Ergibt der Vergleich des Fingerabdrucks auf der Karte mit einem der natürlichen Fingerabdrücke eine Übereinstimmung, wird mittels eines Signals ein Zugang zu einem Speicher geöffnet, der den nach einem Verwürfelungssystem ausgewählten Fingerabdruck des Karteninhabers enthält. Dieser Speicher kann ein lokales Terminal am Einsatzort der Karte sein. Vorteilhafter ist ein zentrales Terminal, das online an das Fingerabdruck - Abnahme- und Vergleichsgerät am Einsatzort angeschlossen ist.If the comparison of the fingerprint on the card with one of the natural fingerprints shows a match, an access to a memory is opened by means of a signal, which contains the fingerprint of the cardholder selected according to a scrambling system. This memory can be a local terminal at the location where the card is used. A central terminal that is connected online to the fingerprint acceptance and comparison device at the place of use is more advantageous.

Mit dem Eingang in den Speicher erfolgt ein Vergleich des gespeicherten Fingerabdruckes mit den übertragenen Fingerabdrücken und bei Übereinstimmung des gespeicherten Fingerabdruckes mit einem der übertragenen Fingerabdrücke eine Freigabe der Identifikationskarte.When the memory is entered, the stored fingerprint is compared with the transmitted fingerprints and, if the stored fingerprint matches one of the transmitted fingerprints, the identification card is released.

Damit ist eine Identifikationskarte geschaffen, die ohne den Karteninhaber nicht benutzbar ist. Durch die doppelte Kodierung wird jeder Mißbrauch ausgeschlossen.This creates an identification card that cannot be used without the cardholder. The double coding rules out any misuse.

Nach einem weiteren Vorschlag der Erfindung, kann eine Identifikationskarte mit mindestens einem weiteren Schlüsselkode-Fingerabdruck versehen sein. Diesem ist dann im Speicher ein entsprechender Identifizierungskode-Fingerabdruck zugeordnet. Solche Karten bieten sich an, wenn mehrere Personen zu unterschiedlichen Zeiten die Karte für den gleichen Zweck benutzen. Die ausgegebene Kartenanzahl wird dadurch gering gehalten. Eine solche Identifikationskarte kann auch an Stelle einer leicht fälschbaren Vollmacht für z.B. Geldabhebungen benutzt werden.According to a further proposal of the invention, an identification card can be provided with at least one further key code fingerprint. A corresponding identification code fingerprint is then assigned to this in the memory. Such cards are useful if several people use the card for the same purpose at different times. The number of cards issued is thereby kept low. Such an identification card can also be used instead of an easily forged proxy for e.g. Withdrawals can be used.

Eine vorteilhafte Ausführung der Erfindung besteht in der Speicherung des Schlüsselkode-Fingerabdrucks in einem Hologramm auf der Identifikationskarte.An advantageous embodiment of the invention consists in storing the key code fingerprint in a hologram on the identification card.

Die geschilderten erfindungsgemäßen Verfahren können außer für die auf Seite 1 Absatz 1 genannten Anwendungen erfindungsgemäß auch zur Inhaberkennzeichnung von Gemälden, Porzellan, wertvollen Drucken und anderen Kunstgegenständen verwendet werden. Anstelle der Identifikationskarte wird auf das Gemälde etc. ein Schlüsselkode-Fingerabdruck aufgebracht, der nur durch Heraustrennen entfernbar ist. Verglichen werden in gleicher Weise der Schlüsselkode-Abdruck auf dem Gemälde mit einem bestimmten natürlichen Fingerabdruck des Inhabers. Zur doppelten Sicherheit erfolgt dann der Vergleich eines bestimmten natürlichen Fingerabdruckes des Inhabers mit einem bestimmten verwürfelten und in einem Terminal gespeicherten Fingerabdruck des Inhabers.In addition to the applications mentioned on page 1, paragraph 1, the methods according to the invention described can also be used according to the invention to identify holders of paintings, porcelain, valuable prints and other objects of art. Instead of the identification card, a key code fingerprint is applied to the painting, etc., which can only be removed by removing it. The key code imprint on the painting is compared in the same way with a specific one natural fingerprint of the holder. For double security, a specific natural fingerprint of the holder is then compared with a specific scrambled fingerprint of the holder and stored in a terminal.

Als Fingerabdrucksensor können handelsübliche Geräte benutzt werden. Wie bereits erwähnt, sind die erfindungsgemäßen Verfahren besonders gut durchführbar, wenn die Sensorfläche bogenförmig ausgebildet ist. Dadurch kommen alle Finger einschließlich der Daumen leicht und vollständig zur Auflage.Standard devices can be used as a fingerprint sensor. As already mentioned, the methods according to the invention can be carried out particularly well if the sensor surface is curved. This means that all fingers, including the thumbs, rest easily and completely.

Eine besonders vorteilhafte bogenförmige Ausbildung besteht erfindungsgemäß in einer rotierbaren Trommel, insbesondere mit einem Durchmesser, der ausreichend aber auch genügend groß für das Auflegen ist. Eine andere vorteilhafte Ausbildung ist eine bandförmige Klarsichtfolie.According to the invention, a particularly advantageous arcuate configuration consists in a rotatable drum, in particular with a diameter that is sufficient but also large enough for the placement. Another advantageous embodiment is a ribbon-shaped transparent film.

Nach einem weiteren Vorschlag der Erfindung wird die Sensorfläche nach Abnahme der Fingerabdrücke durch ein Reinigungsbad geführt. Dies dient insbesondere zur sofortigen Entfernung der Abdrücke von der Sensorfläche damit diese nicht abgenommen werden können.According to a further proposal of the invention, the sensor surface is passed through a cleaning bath after the fingerprints have been removed. This is particularly useful for the immediate removal of the prints from the sensor surface so that they cannot be removed.

Zur Steigerung der Sicherheit der erfindungsgemäßen Identifikationskarten wird die Fingerabdruck-Abnahme- und Vergleichseinrichtung in einem Raum angeordnet, dessen Eingang durch ein Signal unverzüglich verschließbar ist, sobald die übereinstimmung der Schlüsselkode- und/oder Identifizierungskode-Fingerabdrücke des Benutzers mit denen des rechtmäßigen Karteninhabers nicht übereinstimmen. Die zusätzliche Anordnung einer Kamera- und Alarmeinrichtung unterstützt diese Maßnahme.In order to increase the security of the identification cards according to the invention, the fingerprint acceptance and comparison device is arranged in a room, the input of which can be locked immediately by a signal as soon as the key code and / or identification code fingerprints of the user do not match those of the legitimate cardholder . The additional arrangement of a camera and alarm device supports this measure.

In der Zeichnung ist ein Muster einer Identifikationskarte gemäß der Erfindung dargestellt. An der Stelle A wird der Schlüsselkode-Fingerabdruck aufgebracht.A drawing of an identification card according to the invention is shown in the drawing. The key code fingerprint is applied at point A.

Claims (15)

  1. Process for coding of identification cards using fingerprints, characterised by the fact that more than one fingerprint is taken of the cardholder by a fingerprint sensor, by the fact that one of the fingerprints taken is transferred to the identification card as a keycode and by the fact that at least one of the other fingerprints is selected and stored as an identification code on the basis of a scrambling key.
  2. Process according to Claim 1, characterised by the fact that prints are taken from all fingers of both hands.
  3. Process according to Claim 1, characterised by the fact that only prints from certain fingers are taken for keycoding.
  4. Process according to one of Claims 1 - 3, characterised by the fact that the fingerprint identification code is stored in a central database which is connected on-line to the facility for taking and comparing fingerprints.
  5. Process of identifying an identification card coded according to one of Claims 1 - 4, characterised by the fact that at least two fingerprints are taken of the cardholder by means of a fingerprint sensor, by the fact that the prints taken are compared to the fingerprint keycode on the identification card and that, if one of the natural fingerprints matches the fingerprint keycode on the identification card, a memory location is opened, by the fact that the natural fingerprints taken are compared to the fingerprint which has been selected and stored on the basis of a scrambling key and by the fact that if a match is found between one of the fingerprints taken and the stored fingerprint, a clearance signal will follow.
  6. Process according to Claim 5, characterised by the fact that on comparing the fingerprint keycode with the natural fingerprint, either only one fingerprint or several fingerprints are taken.
  7. Identification card for the process according to one of Claims 1 to 6 with at least one fingerprint, selected from more than one of the fingerprints of the cardholder taken by means of a fingerprint sensor, and to which is allocated a stored fingerprint identification code of the cardholder, characterised by the fact that the first-mentioned fingerprint is the fingerprint keycode.
  8. Identification card according to Claim 7, characterised by the fact that it holds at least one further fingerprint keycode.
  9. Identification card according to one of Claims 7 or 8, characterised by the fact that the fingerprint keycode is stored in a hologram.
  10. Application of the processes according to Claims 1 and 5 to mark the ownership of paintings, china, valuable prints and other art objects, whereby the keycode is applied to the art object.
  11. Fingerprint sensor for the process according to one of Claims 1 to 6 with which at least two fingerprints are taken of the cardholder, one of which is transferred to the identification card, and to which is allocated a stored identification fingerprint of the cardholder, characterised by the fact that the sensor surface is curved.
  12. Fingerprint sensor according to Claim 11, characterised by the fact that the sensor surface is in the shape of a drum and can be rotated.
  13. Fingerprint sensor according to Claim 11, characterised by the fact that the sensor surface consists of a ribbon of transparent film.
  14. Fingerprint sensor according to one of Claims 11 to 13, characterised by the fact that the sensor surface passes through a cleaning bath after taking a fingerprint.
  15. Facility for taking and comparing fingerprints used to carry out the processes according to one of Claims 1 to 6, characterised by the fact that the facility contains a transducer, which immediately begins the closing of the room in which the facility is located, if no match is found between the fingerprint keycodes and/or fingerprint identification codes of the user and those of the rightful cardholder.
EP94909075A 1993-07-06 1994-02-26 Identification card Expired - Lifetime EP0707731B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4322445A DE4322445C1 (en) 1993-07-06 1993-07-06 Method for coding identification cards and for identifying such coded identification cards and means for carrying out the method, such as identification card, fingerprint sensor, fingerprint acceptance and comparison device
DE4322445 1993-07-06
PCT/EP1994/000565 WO1995002225A1 (en) 1993-07-06 1994-02-26 Identification card

Publications (2)

Publication Number Publication Date
EP0707731A1 EP0707731A1 (en) 1996-04-24
EP0707731B1 true EP0707731B1 (en) 1997-05-02

Family

ID=6492070

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94909075A Expired - Lifetime EP0707731B1 (en) 1993-07-06 1994-02-26 Identification card

Country Status (12)

Country Link
US (1) US5825005A (en)
EP (1) EP0707731B1 (en)
JP (1) JPH09501251A (en)
CN (1) CN1127046A (en)
AT (1) ATE152535T1 (en)
AU (1) AU6207294A (en)
DE (2) DE4322445C1 (en)
DK (1) DK0707731T3 (en)
ES (1) ES2104361T3 (en)
GR (1) GR3024355T3 (en)
MX (1) MX9404626A (en)
WO (1) WO1995002225A1 (en)

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Also Published As

Publication number Publication date
CN1127046A (en) 1996-07-17
MX9404626A (en) 1995-01-31
DK0707731T3 (en) 1997-12-08
GR3024355T3 (en) 1997-11-28
WO1995002225A1 (en) 1995-01-19
AU6207294A (en) 1995-02-06
DE59402616D1 (en) 1997-06-05
JPH09501251A (en) 1997-02-04
ATE152535T1 (en) 1997-05-15
EP0707731A1 (en) 1996-04-24
ES2104361T3 (en) 1997-10-01
US5825005A (en) 1998-10-20
DE4322445C1 (en) 1995-02-09

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