WO2001018757A1 - Carte electronique comportant en memoire une identification de son titulaire - Google Patents
Carte electronique comportant en memoire une identification de son titulaire Download PDFInfo
- Publication number
- WO2001018757A1 WO2001018757A1 PCT/FR2000/002380 FR0002380W WO0118757A1 WO 2001018757 A1 WO2001018757 A1 WO 2001018757A1 FR 0002380 W FR0002380 W FR 0002380W WO 0118757 A1 WO0118757 A1 WO 0118757A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signature
- card
- dynamic characteristics
- lines
- card according
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
- G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
- G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
- G07F7/1008—Active credit-cards provided with means to personalise their use, e.g. with PIN-introduction/comparison system
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
- G06Q20/341—Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
- G06Q20/4014—Identity check for transactions
- G06Q20/40145—Biometric identity checks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/30—Writer recognition; Reading and verifying signatures
-
- 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
- G07C9/24—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder by means of a handwritten signature
- G07C9/247—Individual registration on entry or exit involving the use of a pass in combination with an identity check of the pass holder by means of a handwritten signature electronically, e.g. by comparing signal of hand-writing with a reference signal from the pass
Definitions
- the invention relates to an electronic card comprising in memory an identification of its holder.
- Electronic memory and / or microprocessor cards are often personalized, in particular for banking or access control applications.
- Personalization generally results in a personal code in memory of the card and / or data relating to the holder written on the card itself, such as a photograph of this holder or his signature.
- the data representing the holder must, in general, involve a person responsible for authentication. For example, the latter compares the signature made on a separate sheet, such as a payment or signing sheet, with the signature on the card.
- This verification offers a very limited guarantee, on the one hand because of the risks of error of appreciation of the verifier and, on the other hand because the signatures are imitable by fraudsters.
- the dynamic characteristics of a signature are practically inimitable. Indeed, if the geometry of a signature can be imitated relatively easily, the dynamic characteristics of a signature, such as the pressure exerted at each point (or at certain points) on the writing medium, the signature time, speed and acceleration at each point or at determined points and the changes of direction made when signing are parameters that a third party can practically not reproduce.
- the technique for detecting the dynamic characteristics of the signature of the holder requires the use of a memory of moderate capacity and the means used for reading the information of dynamic signatures are simple.
- such a card requires that the reader be provided with means so that the card holder can sign while the card is being inserted into the reader.
- the user only has a fraction of the surface of the card, the dimensions of which are intrinsically small, to affix his signature.
- handling the card while it is inserted in the reader poses problems which are difficult to solve, in particular for contact cards. Indeed, the manipulation of the card to make signatures may cause this card to move and, therefore, alter the connection between the contacts of the card and a connector in the reader.
- the invention remedies these drawbacks
- the card according to the invention is characterized in that it comprises means for enabling the supply of the processing means or of the comparison means outside of a reader intended to read information on the card.
- the signature can be effected in any place, for example on a support independent of the card reader.
- the power supply makes it possible either to keep in memory the dynamic characteristics of the signature, or to keep in memory the authentication of this card.
- the card includes a receiving antenna capable of being supplied by induction, this antenna supplying electrical power a processing circuit and a microprocessor on the card to perform the comparison.
- the card for the use of the card, use is first made of a support on which the card must be placed, this support comprising a transmitting antenna for the induction supply of the receiving antenna of the card. Then if the card is of the contact type, it is introduced into a contact reader, which allows validation, or not, depending on the result of one authentication and, if the card has been authenticated, its use.
- the card includes an energy source such as a battery or an accumulator for recording the dynamic characteristics and for comparing them, using a microprocessor, with the recorded characteristics.
- an energy source such as a battery or an accumulator for recording the dynamic characteristics and for comparing them, using a microprocessor, with the recorded characteristics.
- the comparison using the microprocessor of the card is carried out when the latter is introduced into a reader which supplies it with the energy necessary for the operation of the microprocessor.
- the electrical energy necessary for storing the dynamic characteristics of the signature and / or for supplying the circuits allowing the comparison of these dynamic characteristics with those in permanent memory of the card is obtained at using piezoelectric or pyroelectric means.
- This embodiment is particularly favorable when the detection of the dynamic characteristics is carried out by means of a piezoelectric membrane, for example a sheet of polyvinylidene fluoride.
- a piezoelectric membrane for example a sheet of polyvinylidene fluoride.
- the pressure exerted on this sheet which creates, in addition to the useful signals, the energy necessary for feeding.
- the pyroelectric effect which is generally manifested in piezoelectric materials; for this purpose, one can, for example, provide that the user presses his finger on the card so that the heat thus provided creates the necessary electrical energy.
- the dynamic characteristics of the signature and / or the result of the authentication can be kept in memory for a considerable time.
- the dynamic characteristics of the signature or authentication are kept in memory of the card for a limited time, for example the 'order of a minute. This provision is favorable to the security of use of the card. Indeed, if for example, the card is stolen after the authentication signature, the risk of fraudulent use will be reduced. In addition, keeping in memory for a limited time allows the use of technologies which do not require the provision of significant supplies of electrical energy in the card.
- a sheet of piezoelectric polymer such as a polyvinylidene fluoride film, covered on each of its two faces with parallel conductive lines, the lines of the first face having a direction different from the direction of the lines on the other face.
- the surface of the piezoelectric sheet has as many detection points as there are crossing points between the conductive lines of the two faces.
- the pressure exerted on the piezoelectric sheet generates a potential difference which is detectable at each point of the sheet.
- the detection network formed by the piezoelectric sheet and the conductive lines also makes it possible to easily analyze the various dynamic parameters of the signatures, such as the speed of writing, the accelerations and the changes of direction.
- two superimposed piezoelectric sheets are provided, one being covered, on one side, with parallel conducting lines and the other sheet being also covered with conductive lines parallel to each other but in different directions, in particular perpendicular to the conductive lines applied to the first piezoelectric sheet.
- the conductive lines of even number are all connected to the same terminal while the lines of odd number are connected to another terminal.
- the connection to the dynamic signature analysis circuit is made only by means of four electrodes.
- the pressure exerted to carry out the signature causes an alternating supply of the terminals which makes it possible to determine, in addition to the pressure exerted at each point, the direction and the direction of movement of the instrument used to effect the signature.
- the signature for authentication will be done with a stylus that does not write anything permanently on the card or with an erasable ink pen or pencil.
- the invention also relates to a circuit intended for an electronic card with permanent memory, characterized in that it comprises a permanent memory for storing the dynamic characteristics of the signature of the holder, processing means comprising inputs for signals representing a signature and providing dynamic characteristics of a signature to be authenticated, means for comparing the dynamic characteristics of the signature to be authenticated with the characteristics recorded in permanent memory, and means for allowing the supply of electrical energy to the processing means and / or comparison means outside of a card reader.
- this circuit is such that it keeps in memory the signals supplied by the processing means or the signals supplied by the comparison means for a limited time.
- FIG. 1 is a circuit diagram for a card according to the invention
- FIG. 2 is a diagram of a card according to the invention
- FIG. 3 is a diagram of the signature detection part of a card for a variant of FIG. 1
- FIG. 4 is a top view of FIG. 3
- FIG. 5 is a bottom view of FIG. 3.
- the card 10 comprises on one of its faces, a sheet 12 of which one face is visible to allow an authentication signature.
- This sheet 12 comprises a piezoelectric polymer covered, on one of its faces, for example the visible face, with conductive lines (not shown in detail) and, on the other of its faces, with conductive columns (also not shown) .
- the intersection of the rows and the columns forms a network of points.
- a pen or stylus presses on the visible face of the sheet this pressure creates, at each point, a potential difference between the row and the column concerned and this potential difference represents the pressure applied.
- the network of points makes it possible to know, at all times, the position of the tip of the writing stylus.
- a conventional processing circuit 14 comprising inputs 16 1; I62, etc., 16 n , connected to the conductive lines and inputs 18 ] _, I82, ••• / 18p connected to the conductive columns.
- the dynamic characteristics which are taken into account by the circuit 14 are, in addition to the pressure exerted at each point or at selected points, the writing speed. ture at each point, or at certain points, the acceleration, the radial and tangential accelerations, the duration of the signature, and the changes of direction (the angles) of the signature. These dynamic characteristics provided by the processing circuit 14 are introduced into a temporary memory 20.
- the data in the memory 20 are applied to inputs 22 of a microprocessor 24 comprising, in a permanent memory 26, the dynamic characteristics prerecorded of the signature of the holder.
- This microprocessor 24 is, conventionally, connectable by contacts 28, such as those corresponding to the ISO 7816 standard, to a contact card reader.
- the contacts 28 are located on the face of the card 12 which is opposite to the face on which the signature sheet 12 is located.
- the sheet 12 is, for example, placed in the area usually provided for signing on credit cards (Figure 2). In other words, it is not necessary to provide additional space in addition to those provided on credit cards.
- the sheet 12 has two piezoelectric membranes 48 and 50.
- a double network 52 of parallel lines is provided which is shown in FIG. 4.
- the lines of this network are , in this example, depending on the width of the sheet
- the lines of the first subset are all connected to terminal 40 tan- say that the lines of the second subset are all connected to terminal 42.
- the second piezoelectric sheet 50 has on its underside 50 1 (the network 56 shown in Figure 5, which is similar to the network 52 shown in Figure 4 but in a perpendicular direction.
- the lines 58 of the network 56 are parallel between they and along the length of the sheet 12.
- the lines 58] _, 583, etc. of odd rank are connected to terminal 44 while the lines 582, ⁇ 84, etc. of even rank are connected to terminal 46.
- the underside of the membrane 48 is covered by an electrode 60 ( Figure 3) to ground.
- the upper face of the piezoelectric membrane 50 is covered with a metallic electrode brought to ground.
- the distance from an electrode of one rank of one parity given to the next electrode of the other parity is substantially different from the distance separating the latter electrode from the next electrode from the first parity. For example, an odd electrode is followed by an even electrode at a distance D1, while the distance D2 separating this even electrode from the next electrode of odd rank is at a distance D2 greater than Dl.
- the distance between the electrodes 542 and 543 is substantially greater than the distance between the electrodes 543 and 54 4 , and so on.
- the shortest distance between two time pulses corresponds to a first signal on terminal 40 and a second signal on terminal 42. Otherwise, say for a movement from right to left, the shortest time distance corresponds to a signal which appears first on the electrode 42 and then on the electrode 40.
- the combination of the data supplied by the two piezoelectric membranes provides an indication of the direction and the direction of movement of the stylus carrying out the signature.
- the two piezoelectric sheets also provide information on the pressure.
- the direction and the direction are obtained by determining the moments of appearance of the signals at terminals 40 and 42 as well as at terminals 44 and 46.
- the direction is a function of the order of appearance of the signals on terminals 40 and 42 as well as on terminals 44 and 46. These signals also provide an indication of speed and acceleration.
- supply means are provided allowing the temporary operation of the processing circuit 14 and possibly, of the microprocessor 24 in order to allow the recording of the dynamic characteristics of the signature and / or the supply of an authorization signal, independently of a reader into which the card 10 must be introduced later. In this way, the card holder can sign without constraint on any medium or on a suitable medium.
- the card comprises a receiving antenna intended to be supplied with electrical energy by induction by a transmitting antenna, and the antenna of the card supplies electrical energy to circuits 14 and 24.
- the reading means comprise two parts, namely, on the one hand, a support with the transmitting antenna, and on which the user can carry out his signature for 1 authentication, and, on the other hand, the reader proper for reading the contact card 28.
- the comparison is carried out after the signature has been made, and the memory 20 is automatically emptied. only after the comparison. against by the signal d 1 uthentification is kept in a suitable memory of the microprocessor 24.
- This preservation of the authentication signal in the memory of the microprocessor 24, or in another memory, is preferably carried out for a limited time, for example 30 seconds or 1 minute, so that the card cannot be used fraudulently when it is a card that must be used several times.
- This last characteristic, according to which the authentication signal must be kept for a limited time in memory applies regardless of the supply mode used for circuits 14 and / or 24. It also applies in the case where other supply means are provided as described below.
- the dynamic characteristics of the signature are only retained in the temporary memory 20 for the time sufficient for the comparison with the characteristics recorded in the memory 26. After this comparison , the microprocessor 24 provides an authorization or invalidation signal.
- the memory 20 is a random access memory.
- the temporary storage of information consists, in one example, in providing a time delay means, for example controlled by an internal clock or by the discharge of a capacitor, and in erasing the contents of the memory 20 after the flow of the prescribed time.
- a means is also provided for erasing this authorization signal after the expiration of a time determined by a timing means such as a clock or the discharge of '' a capacitor
- the card 10 has its own power source so as to allow the storage of the dynamic characteristics of the signature and / or of the authentication, and this outside of a reading device.
- This internal source is, for example, constituted by a battery or an accumulator. To minimize the power of the energy source, it is preferable that it is only provided for the operation of the processing circuit 14 but not for the operation of the microprocessor 24.
- the dynamic characteristics of the signature are kept in temporary memory 20, preferably for a limited time as indicated above. Authentication is then carried out when the card is inserted into an appropriate reader which allows the supply of the microprocessor 24.
- piezoelectric sheet for example the piezoelectric sheet (s) provided for zone 12.
- Energy can also be provided by the pyroelectric effect.
- a piezoelectric sheet which also has pyroelectric characteristics.
- a zone of the card is reserved on which a finger is pressed and the heat brought by the pressure of the finger produces the electric energy necessary for the operation of the circuit 14 and / or of the microprocessor 24.
- the invention is compatible with a card validable by its identification number, the combination of validation by signature and by the identification number constituting great security against fraudulent use of the card.
- the invention encompasses the combined use of dynamic and static, that is to say geometric, characteristics of the signature for authenticating the card.
- the signal resulting from the comparison of the dynamic characteristics of the signature to be authenticated with the characteristics recorded in permanent memory may or may not allow a transaction to be carried out with an apparatus such as a card reader.
- a reader can, within the framework of a dialogue with the card, find, during an authorization period, the validation information in a temporary memory of the card and continue the transaction after the expiration of this period. of auto- ⁇ sation.
- the validation signal is capable of causing the total or partial inhibition of one of the functions, or means, of the card, for example the inhibition of a response to a mutual recognition signal or the 'irihi- bition of an application, in the case of a multi-application card.
- the card comprises, in this embodiment, means of total or partial inhibition of functions or means of this card.
- the inhibition, or blockage can be triggered after several unsuccessful validations. Unlocking means can be provided as an option.
- the signal resulting from said comparison allows, in one embodiment, the opening of a dialogue with a reader and the continuation of its operation, for example by means of a logic gate located in the circuits of the card, this gate opening or closing. an electrical contact in connection with the contact pads on the card, or with a communication interface.
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Theoretical Computer Science (AREA)
- Accounting & Taxation (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Strategic Management (AREA)
- General Business, Economics & Management (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Finance (AREA)
- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Storage Device Security (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00958744A EP1214695A1 (fr) | 1999-09-07 | 2000-08-25 | Carte electronique comportant en memoire une identification de son titulaire |
AU70171/00A AU7017100A (en) | 1999-09-07 | 2000-08-25 | Electronic card comprising in storage its bearer's identification |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9911399A FR2798208B1 (fr) | 1999-09-07 | 1999-09-07 | Carte electronique comportant en memoire une identification de son titulaire |
FR99/11399 | 1999-09-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001018757A1 true WO2001018757A1 (fr) | 2001-03-15 |
Family
ID=9549762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2000/002380 WO2001018757A1 (fr) | 1999-09-07 | 2000-08-25 | Carte electronique comportant en memoire une identification de son titulaire |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1214695A1 (fr) |
CN (1) | CN1384954A (fr) |
AU (1) | AU7017100A (fr) |
FR (1) | FR2798208B1 (fr) |
WO (1) | WO2001018757A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004100083A1 (fr) * | 2003-05-08 | 2004-11-18 | Koninklijke Philips Electronics N.V. | Carte d'authentification intelligente |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004178584A (ja) | 2002-11-26 | 2004-06-24 | Asulab Sa | 機能、装置、又は所定の場所にアクセスするためのタッチスクリーンによるセキュリティコードの入力方法、及びその方法を実行するためのデバイス |
EP1424658B1 (fr) * | 2002-11-26 | 2006-03-08 | Asulab S.A. | Procédé d'introduction d'un code de sécurité à l'aide d'un écran tactile pour l'accès à une fonction, à un appareil ou à un lieu déterminé, et dispositif pour sa misa en oeuvre |
US20080037842A1 (en) | 2003-05-08 | 2008-02-14 | Srinivas Gutta | Smart Card That Stores Invisible Signatures |
US7013365B2 (en) | 2003-06-16 | 2006-03-14 | Michael Arnouse | System of secure personal identification, information processing, and precise point of contact location and timing |
US7043754B2 (en) | 2003-06-12 | 2006-05-09 | Michael Arnouse | Method of secure personal identification, information processing, and precise point of contact location and timing |
US7472275B2 (en) | 2003-06-13 | 2008-12-30 | Michael Arnouse | System and method of electronic signature verification |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4752965A (en) * | 1984-02-24 | 1988-06-21 | The De La Rue Company Plc | Sign verification |
GB2201125A (en) * | 1987-02-16 | 1988-08-24 | De La Rue Syst | Verification device |
EP0416923A1 (fr) * | 1989-09-08 | 1991-03-13 | National Research Development Corporation | Méthode et appareil pour capter l'information lors de l'écriture ou du dessin |
EP0441567A2 (fr) * | 1990-02-08 | 1991-08-14 | THORN EMI plc | Appareil sensible à la pression |
US5280527A (en) * | 1992-04-14 | 1994-01-18 | Kamahira Safe Co., Inc. | Biometric token for authorizing access to a host system |
EP0588184A1 (fr) * | 1992-09-14 | 1994-03-23 | THOMSON multimedia | Méthode de contrôle d'accès |
FR2746201A1 (fr) * | 1996-03-13 | 1997-09-19 | Seagate Technology | Carte de credit destinee a etre utilisee dans un systeme faisant appel a des empreintes digitales pour assurer la protection contre une manoeuvre frauduleuse, et procede d'utilisation de cette carte |
EP0886232A2 (fr) * | 1997-06-20 | 1998-12-23 | Hitachi, Ltd. | Lecteur-enregistreur, système d'alimentation et système de communication |
-
1999
- 1999-09-07 FR FR9911399A patent/FR2798208B1/fr not_active Expired - Fee Related
-
2000
- 2000-08-25 CN CN00814982A patent/CN1384954A/zh active Pending
- 2000-08-25 WO PCT/FR2000/002380 patent/WO2001018757A1/fr not_active Application Discontinuation
- 2000-08-25 EP EP00958744A patent/EP1214695A1/fr not_active Withdrawn
- 2000-08-25 AU AU70171/00A patent/AU7017100A/en not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4752965A (en) * | 1984-02-24 | 1988-06-21 | The De La Rue Company Plc | Sign verification |
GB2201125A (en) * | 1987-02-16 | 1988-08-24 | De La Rue Syst | Verification device |
EP0416923A1 (fr) * | 1989-09-08 | 1991-03-13 | National Research Development Corporation | Méthode et appareil pour capter l'information lors de l'écriture ou du dessin |
EP0441567A2 (fr) * | 1990-02-08 | 1991-08-14 | THORN EMI plc | Appareil sensible à la pression |
US5280527A (en) * | 1992-04-14 | 1994-01-18 | Kamahira Safe Co., Inc. | Biometric token for authorizing access to a host system |
EP0588184A1 (fr) * | 1992-09-14 | 1994-03-23 | THOMSON multimedia | Méthode de contrôle d'accès |
FR2746201A1 (fr) * | 1996-03-13 | 1997-09-19 | Seagate Technology | Carte de credit destinee a etre utilisee dans un systeme faisant appel a des empreintes digitales pour assurer la protection contre une manoeuvre frauduleuse, et procede d'utilisation de cette carte |
EP0886232A2 (fr) * | 1997-06-20 | 1998-12-23 | Hitachi, Ltd. | Lecteur-enregistreur, système d'alimentation et système de communication |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004100083A1 (fr) * | 2003-05-08 | 2004-11-18 | Koninklijke Philips Electronics N.V. | Carte d'authentification intelligente |
Also Published As
Publication number | Publication date |
---|---|
AU7017100A (en) | 2001-04-10 |
CN1384954A (zh) | 2002-12-11 |
FR2798208B1 (fr) | 2004-03-05 |
EP1214695A1 (fr) | 2002-06-19 |
FR2798208A1 (fr) | 2001-03-09 |
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