WO2005020135A1 - Systeme et procede de communication - Google Patents

Systeme et procede de communication Download PDF

Info

Publication number
WO2005020135A1
WO2005020135A1 PCT/IB2004/002695 IB2004002695W WO2005020135A1 WO 2005020135 A1 WO2005020135 A1 WO 2005020135A1 IB 2004002695 W IB2004002695 W IB 2004002695W WO 2005020135 A1 WO2005020135 A1 WO 2005020135A1
Authority
WO
WIPO (PCT)
Prior art keywords
reader
integrated circuit
contactless
chip
antenna
Prior art date
Application number
PCT/IB2004/002695
Other languages
English (en)
Inventor
Joseph Leibenguth
Xavier Soucasse
Benali Khafif
Original Assignee
Axalto Sa
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 Axalto Sa filed Critical Axalto Sa
Publication of WO2005020135A1 publication Critical patent/WO2005020135A1/fr

Links

Classifications

    • 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
    • G06K19/0772—Physical layout of the record carrier
    • G06K19/07733—Physical layout of the record carrier the record carrier containing at least one further contact interface not conform ISO-7816
    • 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
    • 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
    • G06K19/0722—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 comprising an arrangement for testing the record carrier
    • 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
    • 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
    • G06K19/07766—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 comprising at least a second communication arrangement in addition to a first non-contact communication arrangement
    • G06K19/07769—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 comprising at least a second communication arrangement in addition to a first non-contact communication arrangement the further communication means being a galvanic interface, e.g. hybrid or mixed smart cards having a contact and a non-contact interface
    • 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
    • G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
    • G06K7/0021—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers for reading/sensing record carriers having surface contacts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices

Definitions

  • the invention relates to a communication system comprising a reader and a contactless integrated circuit or chip, and a corresponding communication method.
  • the contactless chip intends to be connected with terminal ends of an antenna to be incorporated, together with said chip, in a card body for a radiofrequency (RF) communication.
  • RF radiofrequency
  • RF is more and more used as a standard communication channel between two electronic devices.
  • the chip is connected to the reader by means of a contact plate comprising a 6- or a 8-contact connector, by contactless products wherein the communication is done through RF between two antennas, a first antenna being connected to the smart card chip and the other antenna being connected to the reader.
  • Such contactless products may be pure contactless products, which are not capable of communicating via contact, or hybrid or dual interface products, having both capabilities to communicate.
  • the silicon chip is generally mounted onto an intermediate contact plate. This constitutes an electronic micro- module providing a high-quality mechanical behaviour, an easy connection of the chip to the antenna and an excellent protection to the silicon die.
  • contactless modules pure contactless or hybrid or dual interface modules
  • the most common solution according to the state of the art is to position the module on a contact support which connects the module to a reference antenna. A reader antenna is positioned in front of said reference antenna and the test is performed through these two antennas.
  • One possible equivalent electric circuit of the above system is illustrated in Fig. 1.
  • the reader is equivalent to a generator of a V in voltage having a 50 Ohms resistance provided with an antenna characterised by its RLC values R 1# L x and C ⁇
  • the quality of the RF communication depends on the following parameters: the card antenna parameters Q (quality factor) and fr (resonance frequency) , and the coupling distance.
  • the quality factor Q is equal to
  • the reference antennas are designed in order to work with a set of contactless modules. They constitute a best compromise to achieve test and program results. However, such reference antennas do not work with all modules and will not work with most of the future modules. Therefore, the test has a high rejection rate and new designs of references antennas, incurring additional costs, are necessary, when new modules evolutions are tested.
  • the contactless and the contact chips should advantageously communicate, for example, in order to permit a secure retrieval of keys or access rights.
  • this is achieved using two different devices, a first device communicating with the contact chip and a second device communicating through RF with the contactless chip using two antennas. Accordingly, there is a need of a straightforward communication in between the contactless chip and the contact chip.
  • the solution of the invention to the above problem concerns a system comprising a reader and a contactless integrated circuit intended to be electrically connected to an antenna to be incorporated, together with said integrated circuit, in a portable object body, characterised in that the integrated circuit and the reader are electrically connected through conductive lines so that said reader and said integrated circuit are able to communicate according to a contacless communication protocol, without antenna .
  • the solution of the invention concerns a method for communicating with a contactless integrated circuit intended to be electrically connected to an antenna to be incorporated together with the integrated circuit in a portable object body, characterised in that it comprises the following steps: - providing a reader, two conductive lines and the contactless integrated circuit; - electrically connecting the reader and the integrated circuit through said conductive lines; and - achieving communication between said reader and said integrated circuit through said conductive lines according to a contactless communication protocol, without antenna.
  • FIG. 3 is an electric equivalent diagram of a system according to the invention
  • Fig. 4 illustrates the contact link influent parameters in a communication system according to the invention
  • Fig. 5 illustrates a system according to a first embodiment of the invention.
  • the illustration is related to an hybrid module. In case of a dual interface module, it has to be considered that the chips referenced 52 and
  • Fig. 6 illustrates a system according to a second embodiment of the invention wherein the contact plates 63 and 64 are connected to the antenna 62; and Figs. 7A and 7B illustrate a system according to a third embodiment of the invention.
  • the invention relates to a system.
  • This system comprises a reader and a contactless chip or integrated circuit (IC) .
  • the reader comprises means for receiving and sending data or instructions from/to the contactless chip.
  • the contactless chip comprises two analogical pins.
  • a reader 20 of the prior art comprises a first antenna 21.
  • the analogical pins of the contactless IC incorporated into a contactless card 22 body, are connected to a second antenna 23.
  • the reader 20 and the contactless card 22 communicate using a RF link. According to Fig.
  • the reader 20 of the invention does not comprise any antenna.
  • the analogical pins of the contactless chip are not only electrically connected to an antenna. They are connected to contact pads of a module 24, which may be a pure contactless, a hybrid or a dual interface module.
  • the reader 20 and the module 24 are electrically connected through two conductive lines 25, 26. It is a contact link. If the module is also connected to an antenna, a switch is added in order to select either a standard RF communication mode through the antenna or the communication according to the invention.
  • a matching circuit well known by the man skilled in the art, which is arranged to improve the communication (not shown on the figure) can be inserted between, for example, the reader 20 and the module 24.
  • Fig. 3 One possible equivalent circuit of the contact link between the reader 20 and the module 24 contactless chip is illustrated in Fig. 3.
  • the reader is equivalent to a generator of a V in voltage coupled to a 50 Ohms resistance.
  • the contactless chip is equivalent to a RC circuit having a resistance R iC and a capacity C ⁇ c .
  • the output voltage is V out .
  • all inconvenient of the prior art are avoided because communication is done without antennas.
  • the choice of a short coupling distance in between antennas is not anymore needed. There is no need to design a particular reference antenna, when the invention is used for testing and programming contactless ICs .
  • the signals exchanged in between the reader and the chip are not perturbed by other signals which are created, for example, by environing machines.
  • the reader has to detect the load modulation of the chip and, due to the attenuation of the conductive lines, this detection is more difficult.
  • the influence of the cables and connectors on the load modulation detection appears more important than the influence of the internal resistance of the reader.
  • the cables and connectors influence is proportional to the conductive lines or cables length and the added capacity of these. Additionally, in order to allow operation and communication with the chip, accurate power supply of the chip and communication in both ways between the reader and the chip has to be achieved.
  • Power supply of the chip is achieved if the voltage of the reader, namely V r , is higher than V m ⁇ n , the minimal voltage for the chip to function, as disclosed in its electrical characteristics. It is the same thing for the current.
  • the power conditions are:
  • the communication in both ways between the reader and the chip is achieved if the reader detects the load modulation of the chip. This is possible if, according to the invention, the length of the conductive lines is short, practically advantageously less than approximately 1 meter and if the voltage of the reader V r is higher than the minimum supply voltage V min of the chip.
  • Vr can have, for example, a value of 3 volts.
  • the stray capacity due to the test head the tuning capacity of the chip
  • the load resistor of the chip the impedance characteristic of the line.
  • the matching condition which is valid only for one kind of chip, is:
  • a plurality of modules 50 are positioned onto a 35 mm-wide perforated band 51, two modules in front, the pitch in between two modules being equal to 14.25 mm.
  • Such perforated bands are used for the manufacture of the modules .
  • Each module comprises two ICs 52, 53 and eight contact pads 54, 55.
  • the contactless IC 52 and, more specifically, the two analogical pins of said IC, are electrically connected to a first and a second contact pads 55 of the module.
  • the contact IC 53 is connected to the remaining six contact pads 54, namely the GND, VCC, VPP, CLK, I/O and RST contact pads.
  • the reader of the system according to this embodiment of the invention is a tester. It comprises two output conducting lines 56, 57, each conducting line being electrically connected to a contactless pad of a module 50 in order to test and program the contactless chip of said module, prior to incorporation in a card body. For a particular application where the module embedded in a card is used with an external antenna, the same mode can be used to test and program the contactless chip.
  • the tester may be for example a Class 185 or MP300 MICROPROSSTM tester but any other testers as the contact/contactless Ultra-Smart tester of SmartwareTM may be used.
  • Communication is achieved in between the tester and the contactless IC 52 without antenna.
  • the two contact pads of the module 50 are connected to a two-pins device 58, said two-pin device being electrically connected to the tester using coaxial cables (the conductive lines 56) .
  • power supply of the chip and communication in both ways in between the tester and the chip are achieved.
  • the power conditions (Vr>Vmin and Ir>Imin) are fulfilled as the Class 185 and MP300 MICROPROSSTM testers are sufficiently powerful.
  • the tester detects the load modulation of the chip because the link in between the chip and the tester outputs is short and the tester voltage is high enough.
  • a module 60 having contact and contactless capabilities is incorporated into a plastic card body 61 of 85.6 mm long, 54 mm wide and 0.76 mm thickness as defined by the 7810 ISO standard.
  • An antenna 62 is embedded into the card body 61, the terminal ends of said antenna being electrically connected to the contact pins of the contactless IC of the module.
  • a reader not shown in the figure, is electrically connected to the RFU contact pads of the module which are connected to the contactless IC . This connection is done through two conductive lines 63, 64.
  • Such a system allows communication between the reader and the contactless IC, without antennas, and according to a contactless communication protocol like, for example, the ISO 14443 standard, the ISO 15693 standard or the Near Field Communication (NFC) protocol.
  • Other contactless protocols can also be used like, for example, those defined by Radio Frequency Identification (RFID) standard used in the context of RFID chips : 125 KHz, 13,56 MHz or 2,45 GHz.
  • RFID Radio Frequency Identification
  • a module 70 having contact and contactless capabilities, is incorporated into a card body of a SIM plug-in format as mentioned in the 14443 ISO standard. This module comprises two chips, a contactless chip 71 and a contact chip 72.
  • the mobile phone 73 comprises a contact reading device 76 and a contactless reading device 77, both devices being connected to the microprocessor 74.
  • the contact reading device is also connected to the contact chip through the VCC, VPP, I/O, RST and CLK contact pads of the contact panel .
  • the contactless reading device is connected to a directive or directional coupler 78, said coupler being connected to the antenna and to the two RFUs contacts of the contact panel .
  • the electrical connection between the contactless reading device and the directive coupler and between said directive coupler to said RFU contact is achieved via conductive lines, according to the invention.
  • a mobile phone holder may use the mobile phone 23 as follows, for reloading contactless transport access.
  • the mobile processor 75 sends useful information and/or orders to the contact reading device 76.
  • the contact reader device 76 retrieves keys and access rights from the contact chip 72. These keys and access rights data are sent to the contactless reading device 77.
  • the contactless reading device communicates with the contactless chip 71 through the directive coupler 78 and the access rights are loaded in this chip 71, thanks to the keys retrieved from the contact chip 72.
  • the directive coupler is connected to the antenna 75, the mobile holder may use its mobile for transport access through RF communication managed by the contactless chip 77. Communication between the contactless reading device and the contactless chip is achieved through conductive lines and complies with the

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

L'invention concerne un système comportant un lecteur (20) et un circuit intégré sans contact destiné à être raccordé à une antenne devant être incorporée, conjointement avec le circuit intégré, dans un corps d'objet portable, ainsi qu'un procédé permettant de communiquer avec un tel circuit intégré. L'invention est caractérisée en ce que le circuit intégré et le lecteur sont reliés électriquement par l'intermédiaire de lignes conductrices (25, 26) de sorte que ledit lecteur et ledit circuit intégré peuvent communiquer, selon un protocole de communication sans contact, sans antenne. L'invention s'applique notamment à des cartes sans contact.
PCT/IB2004/002695 2003-08-21 2004-08-19 Systeme et procede de communication WO2005020135A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03292064 2003-08-21
EP03292064.7 2003-08-21

Publications (1)

Publication Number Publication Date
WO2005020135A1 true WO2005020135A1 (fr) 2005-03-03

Family

ID=34203260

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2004/002695 WO2005020135A1 (fr) 2003-08-21 2004-08-19 Systeme et procede de communication

Country Status (1)

Country Link
WO (1) WO2005020135A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1898336A1 (fr) * 2006-09-11 2008-03-12 Inside Contactless Procédé de connexion d`un circuit intégré sans contact à un composant NFC
EP1975854A1 (fr) 2007-03-28 2008-10-01 Inside Contactless Procédé de couplage d'un circuit intégré sans contact à un composant NFC
EP2050039A2 (fr) * 2006-10-13 2009-04-22 Aspect Medical System, Inc. Système de détection et communication avec des dispositifs mémoires rfid
US20100240303A1 (en) * 2009-03-20 2010-09-23 Inside Contactless Process for establishing a data link between two processors, specifically within an nfc chipset
FR2980862A1 (fr) * 2011-09-30 2013-04-05 France Telecom Dispositif de communication avec un transpondeur radiofrequence

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0581284A2 (fr) * 1992-07-30 1994-02-02 Mitsubishi Denki Kabushiki Kaisha Carte à circuit intégré sans contact et son procédé de fabrication et d'examen
US5952713A (en) * 1994-12-27 1999-09-14 Takahira; Kenichi Non-contact type IC card
US6045043A (en) * 1996-12-31 2000-04-04 On Track Innovations Ltd. Contact/contactless data transaction card

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0581284A2 (fr) * 1992-07-30 1994-02-02 Mitsubishi Denki Kabushiki Kaisha Carte à circuit intégré sans contact et son procédé de fabrication et d'examen
US5952713A (en) * 1994-12-27 1999-09-14 Takahira; Kenichi Non-contact type IC card
US6045043A (en) * 1996-12-31 2000-04-04 On Track Innovations Ltd. Contact/contactless data transaction card

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1898336A1 (fr) * 2006-09-11 2008-03-12 Inside Contactless Procédé de connexion d`un circuit intégré sans contact à un composant NFC
FR2905782A1 (fr) * 2006-09-11 2008-03-14 Inside Contactless Sa Procede de connexion d'un circuit integre sans contact a un composant nfc.
EP2050039A2 (fr) * 2006-10-13 2009-04-22 Aspect Medical System, Inc. Système de détection et communication avec des dispositifs mémoires rfid
US8866592B2 (en) 2006-10-13 2014-10-21 Covidien Lp Method for detecting and communicating with RFID memory devices
EP1975854A1 (fr) 2007-03-28 2008-10-01 Inside Contactless Procédé de couplage d'un circuit intégré sans contact à un composant NFC
US20100240303A1 (en) * 2009-03-20 2010-09-23 Inside Contactless Process for establishing a data link between two processors, specifically within an nfc chipset
US8620214B2 (en) * 2009-03-20 2013-12-31 Inside Secure Process for establishing a data link between two processors, specifically within an NFC chipset
FR2980862A1 (fr) * 2011-09-30 2013-04-05 France Telecom Dispositif de communication avec un transpondeur radiofrequence
EP2575087A3 (fr) * 2011-09-30 2013-05-22 France Télécom Dispositif de communication avec un transpondeur radiofréquence

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