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FR2652182A1 - Portable card allowing memory storage and processing of digital data, and the associated reader - Google Patents

Portable card allowing memory storage and processing of digital data, and the associated reader Download PDF

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Publication number
FR2652182A1
FR2652182A1 FR8912313A FR8912313A FR2652182A1 FR 2652182 A1 FR2652182 A1 FR 2652182A1 FR 8912313 A FR8912313 A FR 8912313A FR 8912313 A FR8912313 A FR 8912313A FR 2652182 A1 FR2652182 A1 FR 2652182A1
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FR
France
Prior art keywords
card
reader
information
data
memory
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.)
Pending
Application number
FR8912313A
Other languages
French (fr)
Inventor
Limpas Alain
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8912313A priority Critical patent/FR2652182A1/en
Publication of FR2652182A1 publication Critical patent/FR2652182A1/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10346—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the far field type, e.g. HF types or dipoles
    • 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
    • G06K19/0723—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • G06K19/0728—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 the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs the arrangement being an optical or sound-based communication interface
    • 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
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10336—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/1097—Optical sensing of electronic memory record carriers, such as interrogation of RFIDs with an additional optical interface
    • 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
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • 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
    • G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

The invention relates to a portable memory card having multiple applications such as a credit card or personal identification card, able to contain digital data and allowing internal processing of the said data. This device also allows maintenance tracking and/or programming of a machine tool in an environment which is unfavourable for magnetic recording media or memory cards fitted with contacts. The present invention describes a card requiring no electrical contact with its reader and no cell or battery for memory storage of the data. Figure 1 shows the basic composition of the component elements of the card (1) and its reader (2). The card (1) contains an energy supply means (3), a microprocessor (4), electronic input and output means for the information (5) and a memory (6) for storage of the information. The reader (2) contains a transmitter (7) for transmitting magnetic power to the card, the transducer (9) allowing dialogue with the card, a data processor circuit (10) and an optical means (11) for detecting the presence of the card.

Description

La présente invention a pour objet une carte à mémoire portative ayant de multiples applications telles que carte de crédit, carte personnelle d'identification pouvant contenir, par exemple, des données biomédicales, carte permettant le traitement interne de données tel que gestion de données comptables. The present invention relates to a portable memory card having multiple applications such as credit card, personal identification card which can contain, for example, biomedical data, card allowing the internal processing of data such as management of accounting data.

Ladite carte peut également servir de carte de suivi de maintenance d'une machine-outil et/ou de programmation de ladite machine en milieu défavorable pour des supports d'enregistrement magnétique ou cartes à mémoire dotées de contacts.Said card can also serve as a card for monitoring the maintenance of a machine tool and / or for programming said machine in an unfavorable environment for magnetic recording media or memory cards provided with contacts.

-L'avance dans les techniques de miniaturisation des composants électroniques, en particulier dans les microprocesseurs a permis la création des "cartes à puces". Contrairement aux cartes de ce type, la présente invention décrit une carte de même capacité pouvant avoir le même format, ne nécessitant aucun contact galvanique avec son lecteur et aucune pile ou batterie pour la mémorisation des données. Cela implique à la fois une très grande sQreté et fiabilité de produit. De plus, l'absence de quartz dans la carte décrite implique une moins grande fragilité et permet une intégration plus facile des éléments composants ladite carte. - The advance in the techniques of miniaturization of the electronic components, in particular in the microprocessors allowed the creation of "smart cards". Unlike cards of this type, the present invention describes a card of the same capacity which can have the same format, requiring no galvanic contact with its reader and no battery for storing data. This implies both great safety and product reliability. In addition, the absence of quartz in the card described implies less fragility and allows easier integration of the components of said card.

La figure 1 montre de façon extrêmement schématique et sans respect de l'échelle, la constitution de principe des éléments composants la carte (1) et son lecteur (2). Figure 1 shows extremely schematically and without respect for the scale, the principle of the components of the card (1) and its reader (2).

La carte (1), qui peut-être de type carte de crédit standart, contient un moyen d'alimentation en énergie (3) fournissant également les signaux d'horloge au microprocesseur (4), un moyen électronique d'entrée et de sortie des informations (5) et une mémoire de stockage des informations (6) de type EEPROM (Electricaly Erasable Programmable Read Only Memory) permettant la rétention des informations. Ledit processeur (4) permet le traitement des données et la gestion des entrées-sorties. The card (1), which may be of the standard credit card type, contains a power supply means (3) also supplying the clock signals to the microprocessor (4), an electronic input and output means. information (5) and an information storage memory (6) of EEPROM (Electricaly Erasable Programmable Read Only Memory) type allowing the retention of information. Said processor (4) enables data processing and input-output management.

Le lecteur (2) contient un transmetteur (7) de puissance magnétique vers la carte, un circuit (8) fournissant les signaux vers le transducteur (7), un transducteur (9) permettant le dialogue avec la carte et un circuit de traitement des données (10).  The reader (2) contains a magnetic power transmitter (7) to the card, a circuit (8) supplying the signals to the transducer (7), a transducer (9) allowing dialogue with the card and a circuit for processing the data (10).

Le lecteur comprend un capteur optique (11) de détection de présence de la carte. Un circuit électronique (12) permet de commander l'alimentation de l'émetteur d'énergie seulement lors de la présence d'une carte dans ledit lecteur. The reader includes an optical sensor (11) for detecting the presence of the card. An electronic circuit (12) makes it possible to control the supply of the energy transmitter only when a card is present in said reader.

L'invention sera mieux comprise à la lecture de la description qui suit qui constitue un mode particulier de réalisation de l'invention, donné à titre d'exemple non limitatif. The invention will be better understood on reading the description which follows which constitutes a particular embodiment of the invention, given by way of nonlimiting example.

La figure 2 représente un schéma électronique détaillé des parties constituants l'invention. Un circuit oscillant constitué d'un bobinage imprimé ou non autour d'un petit cylindre de ferrite (14) et d'une capacité (15) accordé sur la fréquence du générateur d'énergie fournit par l'intermédiaire d'une diode (15) et d'une capacité (16) une tension continue. Ladite tension est appliquée à l'entrée d'un régulateur (17) qui fournit une tension de 5 volts, tension de puissance suffisante pour alimenter le microprocesseur (18). FIG. 2 represents a detailed electronic diagram of the parts constituting the invention. An oscillating circuit consisting of a winding printed or not around a small ferrite cylinder (14) and a capacity (15) tuned to the frequency of the energy generator supplied by means of a diode (15 ) and of a capacity (16) a DC voltage. Said voltage is applied to the input of a regulator (17) which supplies a voltage of 5 volts, a voltage of sufficient power to supply the microprocessor (18).

Les signaux d'horloge nécessaires à la synchronisation du microprocesseur sont directement fournis par le circuit oscillant (13,14). Le circuit de transfert des données est composé d'un bobinage imprimé ou non autour d'un petit cylindre de ferrite (19) et d'une capacité (20) accordé sur une fréquence non harmonique ou harmonique à la fréquence du circuit émetteur d'énergie permettant l'envoi et la réception de données de type electromagnétique. Un circuit électronique (21) simple permet l'adaption des signaux de lecture et d'écriture du microprocesseur (18) avec le transducteur électromagnétique (19, 20). The clock signals necessary for the synchronization of the microprocessor are directly supplied by the oscillating circuit (13,14). The data transfer circuit is composed of a winding printed or not around a small ferrite cylinder (19) and a capacity (20) tuned on a non-harmonic or harmonic frequency to the frequency of the transmitter circuit. energy for sending and receiving electromagnetic data. A simple electronic circuit (21) allows the adaptation of the read and write signals of the microprocessor (18) with the electromagnetic transducer (19, 20).

Le lecteur est composé d'un oscillateur (22) à quartz et d'un amplificateur (23) fournissant une énergie haute fréquence au transducteur électromagnétique haute fréquence (24). Ladite fréquence est de l'ordre de la dizaine de mégahertz. The reader is composed of a quartz oscillator (22) and an amplifier (23) supplying high frequency energy to the high frequency electromagnetic transducer (24). Said frequency is of the order of ten megahertz.

Ledit transducteur est composé d'un circuit oscillant (25) accordé sur la même fréquence que le circuit oscillant (13,14). Said transducer is composed of an oscillating circuit (25) tuned to the same frequency as the oscillating circuit (13,14).

L'émission et la réception des données se font respectivement par l'in- termédiaire du circuit oscillant (26) accordé sur la même fréquence que le circuit oscillant (19,20), du circuit (26) et d'un circuit de mise en forme des signaux (27) qui pourront être compris par un terminal ou un micro-ordinateur via une prise série standart ou non. Ladite liaison électromagnétique permet la transmission bidirectionnele des données grâce à un logiciel approprié évitant les conflits de transmission.  Data transmission and reception are carried out respectively via the oscillating circuit (26) tuned to the same frequency as the oscillating circuit (19,20), the circuit (26) and a setting circuit. in the form of signals (27) which can be understood by a terminal or a microcomputer via a standard or serial socket. Said electromagnetic link allows bidirectional data transmission using appropriate software avoiding transmission conflicts.

La figure 3 donne un aperçu d'une conception possible de ladite carte. Figure 3 provides an overview of a possible design of said card.

La carte comporte deux bobinages imprimés suffisamment distants pour éviter toute interférence. Le format de la carte peut être de type standart "carte de crédit plastique" ou de type badge d'une épaisseur de quelques millimètres.The card has two printed coils far enough apart to avoid interference. The format of the card can be of standard type "plastic credit card" or of badge type with a thickness of a few millimeters.

Le bobinage (28) fournit de l'énergie à la carte par l'intermédiaire du circuit (29) comprenant une diode, une capacité et un régulateur. The winding (28) supplies energy to the card via the circuit (29) comprising a diode, a capacitor and a regulator.

Le bobinage (30) permet le transfert des données au microprocesseur (31) par l'intermédiaire du circuit de mise en forme (32). The winding (30) allows the transfer of data to the microprocessor (31) via the shaping circuit (32).

Le lecteur peutetre de très petite taille dans un boîtier métallique ergonomique évitant la diffusion d'ondes électromagnétiques. The reader can be very small in an ergonomic metal case avoiding the diffusion of electromagnetic waves.

Une variante de réalisation peut être telle que la transmission des données peut se faire de manière optique. An alternative embodiment can be such that the data transmission can be done optically.

Une variante de réalisation peut etre telle que les informations peuvent être transmises par l'intermédiaire du dispositif (3) d'alimentation en énergie de la carte. Le processeur peut, à l'aide d'un circuit électronique actif, injecter une fréquence intermédiaire qui sera filtrée dans la partie émettrice d'énergie, ce qui permet le transfert des données sérielles dans le sens carte vers lecteur. An alternative embodiment may be such that the information can be transmitted by means of the device (3) for supplying energy to the card. The processor can, using an active electronic circuit, inject an intermediate frequency which will be filtered in the energy-emitting part, which allows the transfer of serial data in the card to reader direction.


La transmission des données dans le sens ~ec er vers carte s'effectue suivant ce même principe.
Data transmission in the ~ ec er direction to card is done according to this same principle.

Claims (8)

REVENDICATIONS 1) Carte portative de support et de traitement d'information (1) et son lecteur associé (2). Ladite carte est caractérisée en ce qu'elle comporte une mémoire de stockage d'information non volatile (6) pouvant être modifiée à volonté, un processeur (4) de traitement de l'information et de moyens électroniques d'alimentation (3) et d'entrée et de sortie (5) et de synchronisation dudit processeur. Lesdits moyens d'alimentation, d'entrée et de sortie des informations et de synchronisation sont caractérisés par l'absence de contact galvanique. 1) Portable support and information processing card (1) and its associated reader (2). Said card is characterized in that it includes a non-volatile information storage memory (6) which can be modified at will, a processor (4) for processing information and electronic power supply means (3) and input and output (5) and synchronization of said processor. Said means of supply, input and output of information and synchronization are characterized by the absence of galvanic contact. 2) Carte portative selon la revendication 1 caractérisée en ce qu'elle comporte une mémoire (6) de stockage d'informations de type EEPROM (Electricaly 2) Portable card according to claim 1 characterized in that it comprises a memory (6) for storing information of the EEPROM type (Electricaly Erasable Programmable Read Only Memory) permettant l'annulation et l'écriture de données, un processeur (4) permettant le traitement desdites informations, un dispositif (3) d'alimentation de la carte caractérisé en ce qu'il est un circuit LC oscillant accordé sur la fréquence d'horloge du microprocesseur, ledit circuit oscillant fournit à la fois l'alimentation et les signaux d'horloge dudit processeur.Erasable Programmable Read Only Memory) allowing the cancellation and writing of data, a processor (4) allowing the processing of said information, a device (3) for supplying the card characterized in that it is an oscillating LC circuit tuned to the clock frequency of the microprocessor, said oscillating circuit supplies both the power supply and the clock signals of said processor. 3) Le dispositif d'alimentation en énergie (7) selon l'une quelconque des revendications précédentes est caractérisé en ce qu'il est composé d'un petit cylindre de ferrite et d'une petite bobine accordé, accordé sur une fréquence élevée et stabilisée par un quartz. Ladite fréquence, dépendante du microprocesseur utilisé est de ltordre de la dizaine de mégahertz. 3) The energy supply device (7) according to any one of the preceding claims is characterized in that it is composed of a small ferrite cylinder and a small tuned coil, tuned on a high frequency and stabilized by a quartz. Said frequency, dependent on the microprocessor used, is of the order of ten megahertz. 4) Le dispostif selon les revendications 1,2 et 3 est caractérisé en ce que la transmission des informations s'effectue de manière électromagnétique. 4) The device according to claims 1,2 and 3 is characterized in that the transmission of information is carried out electromagnetically. Ladite transmission peut s'effectuer grâce à un bobinage (5), placé sur la carte,accordé sur une fréquence harmonique ou non en vis-à-vis d'un bobinage semblable (9) sur le lecteur. Ladite liaison électromagnétique permet la transmission bidirectionnele des données grâce à un logiciel approprié évitant les conflits de transmission.Said transmission can be carried out by means of a winding (5), placed on the card, tuned to a harmonic frequency or not opposite a similar winding (9) on the reader. Said electromagnetic link allows bidirectional data transmission using appropriate software avoiding transmission conflicts. 5) Le dispositif selon les revendications 1,2 et 3 est caractérisé en ce les informations peuvent être transmises par l'intermédiaire du dispositif (3) d'alimentation en énergie de la carte. Le processeur peut, à l'aide d'un circuit électronique actif, injecter une fréquence intermédiaire qui sera filtrée dans la partie émettrice d'énergie, ce qui permet le transfert des données sérielles dans le sens carte vers lecteur. La transmission des données  5) The device according to claims 1,2 and 3 is characterized in that the information can be transmitted via the device (3) for supplying energy to the card. The processor can, using an active electronic circuit, inject an intermediate frequency which will be filtered in the energy-emitting part, which allows the transfer of serial data in the card to reader direction. Data transmission La transmission des données dans le sens lecteur vers carte s'effectue suivant ce même principe.Data transmission in the reader to card direction takes place according to this same principle. 6) Le dispositif, selon l'une quelconque des revendications précédentes, est caractérisé en ce qu'il comporte un capteur optique (11) de détection de la présence de la carte. 6) The device according to any one of the preceding claims, is characterized in that it comprises an optical sensor (11) for detecting the presence of the card. 7) Le dispositif, selon l'une quelconque des revendications précédentes, est caractérisé en ce que la carte peut-être de la taille courante type carte de-crédit plastique ou de type badge d'une épaisseur de quelques millimètres. 7) The device according to any one of the preceding claims, is characterized in that the card may be of the current size, such as a plastic credit card or of the badge type, with a thickness of a few millimeters. 8) Le dispositif, selon l'une quelconque des revendications précédentes, est caractérisé en ce que le lecteur peut-être de très petite taille dans un boîtier métallique ergonomique évitant la diffusion d'ondes électromagnétiques.  8) The device according to any one of the preceding claims, is characterized in that the reader may be very small in an ergonomic metal housing preventing the diffusion of electromagnetic waves.
FR8912313A 1989-09-15 1989-09-15 Portable card allowing memory storage and processing of digital data, and the associated reader Pending FR2652182A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8912313A FR2652182A1 (en) 1989-09-15 1989-09-15 Portable card allowing memory storage and processing of digital data, and the associated reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8912313A FR2652182A1 (en) 1989-09-15 1989-09-15 Portable card allowing memory storage and processing of digital data, and the associated reader

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FR2652182A1 true FR2652182A1 (en) 1991-03-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2707783A1 (en) * 1993-07-02 1995-01-20 Atoll Technology System for collecting tokens
EP0768626A1 (en) * 1995-10-13 1997-04-16 Innovatron Industries, S.A. Contactless communication system with phase modulation and remote feeding between terminals and portable articles

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EP0180380A1 (en) * 1984-10-25 1986-05-07 AT&T Corp. Flexible inductor
WO1986004705A1 (en) * 1985-02-11 1986-08-14 American Telephone & Telegraph Company Computerized transaction card with inductive data transfer
EP0249356A1 (en) * 1986-05-26 1987-12-16 Kabushiki Kaisha Toshiba Data card with inductive signal transfer device
WO1988003684A1 (en) * 1986-11-03 1988-05-19 Mars Incorporated Data-storing devices
WO1988004453A1 (en) * 1986-12-01 1988-06-16 Froelich Ronald W Computerized data-bearing card and reader/writer therefor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0180380A1 (en) * 1984-10-25 1986-05-07 AT&T Corp. Flexible inductor
WO1986004705A1 (en) * 1985-02-11 1986-08-14 American Telephone & Telegraph Company Computerized transaction card with inductive data transfer
EP0249356A1 (en) * 1986-05-26 1987-12-16 Kabushiki Kaisha Toshiba Data card with inductive signal transfer device
WO1988003684A1 (en) * 1986-11-03 1988-05-19 Mars Incorporated Data-storing devices
WO1988004453A1 (en) * 1986-12-01 1988-06-16 Froelich Ronald W Computerized data-bearing card and reader/writer therefor

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Title
PATENT ABSTRACTS OF JAPAN *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2707783A1 (en) * 1993-07-02 1995-01-20 Atoll Technology System for collecting tokens
EP0768626A1 (en) * 1995-10-13 1997-04-16 Innovatron Industries, S.A. Contactless communication system with phase modulation and remote feeding between terminals and portable articles
FR2739955A1 (en) * 1995-10-13 1997-04-18 Innovatron Ind Sa CONTACTLESS CONTACT SYSTEM WITH PHASE MODULATION AND TELEALIMENTATION BETWEEN TERMINALS AND PORTABLE OBJECTS

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