EP2097989A1 - Radiofrequency local communication interface between a mobile phone and a contactless reader - Google Patents

Radiofrequency local communication interface between a mobile phone and a contactless reader

Info

Publication number
EP2097989A1
EP2097989A1 EP07872414A EP07872414A EP2097989A1 EP 2097989 A1 EP2097989 A1 EP 2097989A1 EP 07872414 A EP07872414 A EP 07872414A EP 07872414 A EP07872414 A EP 07872414A EP 2097989 A1 EP2097989 A1 EP 2097989A1
Authority
EP
European Patent Office
Prior art keywords
antenna
smart card
communication medium
mobile
mobile communication
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.)
Withdrawn
Application number
EP07872414A
Other languages
German (de)
French (fr)
Inventor
désignation de l'inventeur n'a pas encore été déposée La
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.)
Smart Packaging Solutions SAS
Original Assignee
Smart Packaging Solutions SAS
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 Smart Packaging Solutions SAS filed Critical Smart Packaging Solutions SAS
Publication of EP2097989A1 publication Critical patent/EP2097989A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H04B5/26—Inductive coupling using coils
    • 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
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • 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
    • G06K7/10158—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 methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field
    • G06K7/10178—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 methods and means used by the interrogation device for reliably powering the wireless record carriers using an electromagnetic interrogation field including auxiliary means for focusing, repeating or boosting the electromagnetic interrogation field
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
    • H04B5/24—Inductive coupling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/14—Details of telephonic subscriber devices including a card reading device

Definitions

  • the invention relates to a communication interface between a contactless smart card integrated in a mobile communication medium, and an external reader located near the mobile communication medium and for radiofrequency communication with said contactless smart card.
  • the invention also relates to a mobile communication medium provided with a communication interface as described below.
  • the invention applies in particular to the case in which the mobile communication medium is constituted by a mobile phone, and it will be described in more detail in this context by way of example, without this example n ' has limited character.
  • the invention is indeed likely to apply to other communicating portable objects provided with a smart card, such as PDA (of the terminology of "Personal Digital Assistant"), or others.
  • Some of these additional applications used today such as calendar management, or the digital camera, use the memory of the SIM-type smart card or memory located in other types of smart cards. intended for this purpose to store the data of the application, which also contributes to that smart cards have increasing memory capacity, sometimes several hundred megabytes or more.
  • the SIM card interacts with the mobile phone by means of electrical contacts placed on the SIM card, and the mobile phone interacts with the cellular telephone network, in particular according to the GSM standard, by means of an antenna disposed on the mobile phone, allowing it to communicate over great distances, via the mobile cellular network.
  • the mobile phone interacts with the cellular telephone network, in particular according to the GSM standard, by means of an antenna disposed on the mobile phone, allowing it to communicate over great distances, via the mobile cellular network.
  • the mobile phone is a fairly dense device, provided with various electronic circuits such as a screen and a keyboard, and a battery often lithium, which impede direct communication type radio frequency between a radiofrequency communication component located in the mobile phone, and a radio frequency communication reader located in the vicinity of the mobile phone.
  • the object of the invention is therefore to remedy these drawbacks and to propose a radiofrequency interface device making it possible to establish direct communication between a contactless smart card inserted in a mobile communication medium such as a mobile phone, and a contactless reader located outside the mobile phone, despite the electromagnetic disturbances generated by the components of the mobile phone.
  • Another object of the invention is to provide a particularly simple and inexpensive interface device, to adapt to many mobile phones.
  • an application including payment or access control, which runs in the contactless smart card of the mobile communication medium, can communicate directly with an external contactless smart card reader , located within range of the signal of the antenna of the contactless smart card, reinforced by that of the second antenna by mutual inductance. It should be noted that this direct communication is done independently of the telephone communication between the mobile communication medium and the telecommunication network.
  • the contactless smart card is a SIM card with a dual communication interface, having on the one hand electrical contacts connected to corresponding contacts located in the mobile communication medium, and having on the other hand an antenna capable of communicating by inductive coupling with said second integral antenna of the mobile communication medium, which is itself constituted by a mobile phone compatible with the GSM standard or equivalent.
  • the application program is a contactless payment program of a service or a service, so that the communication medium is both able to perform mobile phone transactions using the SIM card and the mobile telecommunication network, and payment transactions using the second contactless smart card and the external smart card reader.
  • the portable communication medium does not include a SIM card or a mobile telephone function, but simply a dual-interface smart card, namely a contact interface connected to the internal electronics of the communication medium so that the user can store his data in the memory of the smart card, and a contactless interface for exchanging data with an external reader of proximity.
  • FIG. 1 schematically shows a mobile communication medium 1, for example in the form of a mobile phone compatible with the GSM standard or equivalent.
  • the mobile phone 1 is provided with a body 2 which typically carries a screen and a keyboard (not shown), various electronic circuits known in the state of the art, and a battery 9 for supplying the assembly.
  • the mobile communication support 1 also carries a SIM card type smart card 11 for identifying the user of the communication medium with the mobile telecommunications network used, which is accessible by means of the antenna 13.
  • such a mobile communication medium is only capable of communicating with one or more wireless telecommunications networks, via the antenna 13, but it is not able to to perform other types of wireless transactions with a contactless smart card reader 24 which would be located in the vicinity of the mobile communication medium and which would include application software for making local and wireless transactions (such as for example applications wireless payment) with a corresponding application software, loaded in the mobile communication medium 1 or in the SIM card 1 1.
  • the invention provides for providing the mobile communication medium 1 with another interface.
  • radio frequency communication for establishing a radiofrequency communication directly between a smart card 11 located in mobile communication medium, and the card reader 24 without contact external chip. In this way, non-voice transactions may be made between the mobile communication medium provided with its radio frequency communication interface, and one or more external devices 24 able to communicate without contact and preferably radiofrequency, with the communication interface.
  • Mobile mobile communication support for establishing a radiofrequency communication directly between a smart card 11 located in mobile communication medium, and the card reader 24 without contact external chip.
  • a mobile communication medium 1 in the form of a mobile phone, conventionally carrying a SIM card 11.
  • the SIM card 11 may be of the dual interface type communication and have an antenna 12, or contact communication only.
  • the invention provides that the mobile communication medium 1, in particular in the form of a "PDA" (Personal Digital Assistant), does not include a SIM card and therefore does not include telephone application, but simply comprises a contactless smart card 10 provided with an antenna4, so as to ensure the radio frequency communication with the external terminal 24.
  • the smart card 10 provided with An antenna, it may be necessary or advantageous to provide another antenna 15 of larger size to amplify the signal transmitted by the antenna 14.
  • the invention as described achieves the goals and allows in particular to accumulate in some embodiments a mobile telephony type of communication function managed by a mobile operator, with other contactless transactions carried out with proximity terminals, and other operators such as banking or payment institutions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Toxicology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Telephone Function (AREA)
  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Near-Field Transmission Systems (AREA)
  • Power Engineering (AREA)

Abstract

The invention relates to a communication interface (12,15;14,15) between a contactless smart card (11) imbedded in a communication mobile substrate (1) connected to a wireless communication network, and a contactless smart card reader (24) in the vicinity of the communication mobile substrate (1) and for radiofrequency communication with said contactless smart card (11), characterised in that it comprises, on the one hand, a first antenna (12; 14) provided on the contactless smart card (11) imbedded in the communication mobile substrate (1) and, on the other hand, a second antenna (15) attached to the communication mobile substrate (1) and connected by inductive coupling to said first antenna (12; 14) so that the contactless smart card (11) can directly communicate by radiofrequency with the contactless smart card reader (24) without using the wireless communication network.

Description

Interface de communication radiofréquence locale entre un téléphone mobile et un lecteur sans contact Local radio frequency communication interface between a mobile phone and a contactless reader
L'invention concerne une interface de communication entre une carte à puce sans contact intégrée dans un support mobile de communication, et un lecteur externe situé à proximité du support mobile de communication et destiné à communiquer par radiofréquence avec ladite carte à puce sans contact. L'invention concerne également un support mobile de communication pourvu d'une interface de communication telle que décrite plus bas.The invention relates to a communication interface between a contactless smart card integrated in a mobile communication medium, and an external reader located near the mobile communication medium and for radiofrequency communication with said contactless smart card. The invention also relates to a mobile communication medium provided with a communication interface as described below.
L'invention s'applique notamment au cas de figure dans lequel le support de communication mobile est constitué par un téléphone mobile, et elle va être décrite plus en détail dans ce cadre à titre d'exemple, sans pour autant que cet exemple n'aie de caractère limitatif. L'invention est en effet susceptible de s'appliquer à d'autres objets portables communicants pourvus d'une carte à puce, tels que des PDA (de la terminologie anglo- saxonne de « Personal Digital Assistant »), ou autres.The invention applies in particular to the case in which the mobile communication medium is constituted by a mobile phone, and it will be described in more detail in this context by way of example, without this example n ' has limited character. The invention is indeed likely to apply to other communicating portable objects provided with a smart card, such as PDA (of the terminology of "Personal Digital Assistant"), or others.
Les téléphones mobiles ont connu ces dernières années un succès de grande ampleur, sur le plan international, de sorte que des milliards de personnes portent toujours leur téléphone mobile avec elles. Dans ce contexte, le téléphone mobile apparaît de plus en plus comme une plateforme matérielle et logicielle sur laquelle des applications autres que l'application de téléphonie mobile par le réseau GSM ou équivalent, pourraient tourner. Ainsi, les opérateurs de téléphonie mobile proposent déjà toutes sortes d'applications supplémentaires qui sont indépendantes de l'application de téléphonie, comme par exemple des jeux, un appareil photographique numérique, un lecteur de fichiers de type mp3, et d'autres applications de loisirs.In recent years, mobile phones have become internationally successful, with billions of people still carrying their mobile phones with them. In this context, the mobile phone appears more and more like a hardware and software platform on which applications other than the mobile phone application by the GSM network or equivalent, could turn. Thus, the mobile operators already offer all kinds of additional applications that are independent of the telephony application, for example games, a digital camera, an mp3 player, and other entertainment applications.
Certaines de ces applications supplémentaires aujourd'hui utilisées, comme la gestion de l'agenda, ou l'appareil photo numérique, utilisent la mémoire de la carte à puce de type SIM ou de la mémoire située dans d' autres types de carte à puce destinés à cet usage pour y stocker les données de l'application, ce qui concourt d'ailleurs à ce que les cartes à puce aient des capacités mémoire croissantes, quelquefois de plusieurs centaines de Mégaoctets ou plus.Some of these additional applications used today, such as calendar management, or the digital camera, use the memory of the SIM-type smart card or memory located in other types of smart cards. intended for this purpose to store the data of the application, which also contributes to that smart cards have increasing memory capacity, sometimes several hundred megabytes or more.
Cependant, dans les applications actuelles hébergées par le téléphone mobile, la carte SIM interagit avec le téléphone mobile au moyen de contacts électriques placés sur la carte SIM, et le téléphone mobile interagit avec le réseau téléphonique cellulaire, notamment selon la norme GSM, au moyen d'une antenne disposée sur le téléphone mobile, lui permettant de communiquer sur de grandes distances, par l'intermédiaire du réseau cellulaire de téléphonie mobile. Compte tenu de la généralisation du téléphone mobile comme plateforme d'applications au-delà des applications de téléphonie, un nouveau besoin est apparu pour que des applications non téléphoniques, éventuellement chargées dans la carte à puce du téléphone mobile, puissent communiquer localement par radiofréquence avec un lecteur sans contact situé à proximité du téléphone mobile ou plus généralement du support de communication mobile. En effet, certaines applications hébergées dans la carte à puce de type SIM ou dans des cartes à puce de formats différents insérées dans le téléphone mobile, comme et de manière non limitative une « SD card , une « mini SD card » , une « Multi Media Card », pourraient tirer avantage d'une communication radiofréquence directe avec un lecteur de cartes sans contact placé dans l'environnement du téléphone mobile ou du support de communication mobile. Les applications de paiement par carte à puce sans contact, ou les applications de contrôle d'accès physique dans lesquelles ces cartes à puce sont utilisées comme identifiant du porteur, sont des exemples d'applications qui pourraient encore enrichir la palette d'applications offertes par un téléphone mobile ou un support de communication mobile pourvu d'une seule carte à puce.However, in the current applications hosted by the mobile phone, the SIM card interacts with the mobile phone by means of electrical contacts placed on the SIM card, and the mobile phone interacts with the cellular telephone network, in particular according to the GSM standard, by means of an antenna disposed on the mobile phone, allowing it to communicate over great distances, via the mobile cellular network. Given the generalization of the mobile phone as an application platform beyond the telephony applications, a new need has emerged for non-voice applications, possibly loaded into the smart card of the mobile phone, to communicate locally by radio frequency with a contactless reader located near the mobile phone or more generally the mobile communication medium. Indeed, some applications hosted in the SIM-type smart card or in different format smart cards inserted in the mobile phone, such as and without limitation an "SD card, a" mini SD card ", a" Multi Could benefit from direct radiofrequency communication with a contactless card reader placed in the mobile phone environment or mobile communication support. Non-contact smart card payment applications, or physical access control applications in which these smart cards are used as the carrier's identifier, are examples of applications that could further enrich the range of applications offered by a mobile phone or a mobile communication medium provided with a single smart card.
Dans ces nouvelles applications sans contact, qui sont des applications de proximité dans la mesure où la carte à puce a besoin d' interagir par couplage sans contact avec un lecteur de carte à fonctionnement également sans contact, il est nécessaire d'établir une communication directe, notamment de type radiofréquence, entre le lecteur de carte à puce externe au téléphone mobile ou au support de communication mobile, et la carte à puce, sans passer par le réseau téléphonique cellulaire.In these new contactless applications, which are proximity applications in that the smart card needs to interact by contactless coupling with a card reader that also operates without contact, it is necessary to establish direct communication. , in particular radiofrequency type, between the smart card reader external to the mobile phone or the mobile communication medium, and the smart card, without going through the cellular telephone network.
Or, dans les téléphones mobiles selon l'état actuel de la technique, la carte à puce de type carte SIM est en général insérée dans un logement pourvu de contacts, de façon à ce que les contacts électriques du téléphone mobile viennent en contact avec les contacts correspondants de la carte SIM. Ni la carte SIM ni le téléphone mobile selon l'état de la technique ne sont donc pourvus de moyens de communication sans contact avec un lecteur de carte situé à l'extérieur du téléphone mobile, ce qui rend impossible la communication sans contact d'une application autre que celle de téléphonie, avec un lecteur sans contact situé au voisinage du téléphone mobile. Cela est d'autant plus le cas que le téléphone mobile est un dispositif assez dense, pourvu de divers circuits électroniques tels qu'un écran et un clavier, et d'une batterie souvent en lithium, qui font obstacle à une communication directe de type radiofréquence entre un composant à communication radiofréquence situé dans le téléphone mobile, et un lecteur à communication radiofréquence situé au voisinage du téléphone mobile. Le but de l'invention est par conséquent de remédier à ces inconvénients et de proposer un dispositif d'interface radiofréquence permettant d'établir une communication directe entre une carte à puce à fonctionnement sans contact, insérée dans un support de communication mobiles tel qu'un téléphone mobile, et un lecteur sans contact situé à l'extérieur du téléphone mobile, et cela malgré les perturbations électromagnétiques générées par les composants du téléphone mobile.However, in mobile phones according to the current state of the art, the SIM card-type smart card is generally inserted in a housing provided with contacts, so that the electrical contacts of the mobile phone come into contact with the corresponding contacts of the SIM card. Neither the SIM card nor the mobile phone according to the state of the art are therefore provided with contactless communication means with a card reader located outside the mobile phone, which makes it impossible to contact without contact a application other than telephony, with a contactless reader located near the mobile phone. This is even more the case that the mobile phone is a fairly dense device, provided with various electronic circuits such as a screen and a keyboard, and a battery often lithium, which impede direct communication type radio frequency between a radiofrequency communication component located in the mobile phone, and a radio frequency communication reader located in the vicinity of the mobile phone. The object of the invention is therefore to remedy these drawbacks and to propose a radiofrequency interface device making it possible to establish direct communication between a contactless smart card inserted in a mobile communication medium such as a mobile phone, and a contactless reader located outside the mobile phone, despite the electromagnetic disturbances generated by the components of the mobile phone.
Un autre but de l'invention est de proposer une interface de communication sans contact permettant une communication sans contact entre une application hébergée dans une carte à puce, indépendamment de l'application de téléphonie mobile hébergée dans le téléphone mobile et la carte SIM.Another object of the invention is to provide a contactless communication interface for contactless communication between an application hosted in a smart card, independently of the mobile phone application hosted in the mobile phone and the SIM card.
Un autre but de l'invention est de proposer un dispositif d'interface particulièrement simple et peu coûteux, permettant de s'adapter à de nombreux téléphones mobiles.Another object of the invention is to provide a particularly simple and inexpensive interface device, to adapt to many mobile phones.
A cet effet, l'invention a pour objet une interface de communication entre une carte à puce sans contact intégrée dans un support mobile de communication relié à un réseau de télécommunication sans fil, et un lecteur de cartes à puce sans contact situé à proximité du support mobile de communication et destiné à communiquer par radiofréquence avec ladite carte à puce sans contact, caractérisée en ce qu'elle comporte d'une part une première antenne disposée sur la carte à puce sans contact intégrée au support de communication mobile, et d'autre part une seconde antenne solidaire du support de communication mobile et reliée par couplage inductif à ladite première antenne de façon à permettre à la dite carte à puce sans contact de communiquer directement par radiofréquence avec le lecteur de carte à puce sans contact, sans utiliser le réseau de télécommunication sans fil. Grâce à cette interface de communication, une application, notamment de paiement ou de contrôle d'accès, qui s'exécute dans la carte à puce sans contact du support de communication mobile, peut communiquer directement avec un lecteur de carte à puce sans contact externe, situé à portée du signal de l'antenne de la carte à puce sans contact, renforcé par celui de la seconde antenne par mutuelle inductance. Il est à noter que cette communication directe se fait indépendamment de la communication téléphonique entre le support de communication mobile et le réseau de télécommunication.For this purpose, the invention relates to a communication interface between a contactless smart card integrated in a mobile communication medium connected to a wireless telecommunications network, and a contactless smart card reader located near the mobile communication support and intended to communicate by radio frequency with said contactless smart card, characterized in that it comprises firstly a first antenna disposed on the contactless smart card integrated into the mobile communication medium, and secondly, a second antenna secured to the mobile communication support and connected by inductive coupling to said first antenna so as to enable said contactless smart card to communicate directly by radio frequency with the contactless smart card reader, without using the wireless telecommunications network. With this communication interface, an application, including payment or access control, which runs in the contactless smart card of the mobile communication medium, can communicate directly with an external contactless smart card reader , located within range of the signal of the antenna of the contactless smart card, reinforced by that of the second antenna by mutual inductance. It should be noted that this direct communication is done independently of the telephone communication between the mobile communication medium and the telecommunication network.
Dans un mode de réalisation avantageux de l'invention, la carte à puce sans contact est une carte SIM à double interface de communication, ayant d'une part des contacts électriques connectés à des contacts correspondants situés dans le support mobile de communication, et ayant d'autre part une antenne apte à communiquer par couplage inductif avec ladite seconde antenne solidaire du support de communication mobile, qui est quant à lui constitué par un téléphone mobile compatible avec la norme GSM ou équivalent.In an advantageous embodiment of the invention, the contactless smart card is a SIM card with a dual communication interface, having on the one hand electrical contacts connected to corresponding contacts located in the mobile communication medium, and having on the other hand an antenna capable of communicating by inductive coupling with said second integral antenna of the mobile communication medium, which is itself constituted by a mobile phone compatible with the GSM standard or equivalent.
Dans un mode de réalisation avantageux, la seconde antenne est disposée sur le corps du téléphone mobile de manière à être en face de la première antenne située sur la carte SIM, afin d'obtenir le meilleur couplage inductif entre le petite antenne de la carte à puce sans contact, et la seconde antenne qui peut préférablement être de plus grande taille pour augmenter la portée du signal.In an advantageous embodiment, the second antenna is disposed on the body of the mobile phone so as to be in front of the first antenna located on the SIM card, in order to obtain the best inductive coupling between the small antenna of the mobile phone card. contactless chip, and the second antenna which may preferably be larger to increase the range of the signal.
L'invention a également pour objet un téléphone mobile et plus généralement un dispositif ou support de communication mobile pourvu d'une interface de communication telle que ci-dessus.The invention also relates to a mobile phone and more generally to a mobile communication device or support provided with a communication interface as above.
Dans un mode de réalisation avantageux du support de communication mobile, il comporte en outre une fente et un réceptacle pour l'introduction d'une deuxième carte à puce sans contact, ladite deuxième carte à puce sans contact étant disposée dans le champ électromagnétique de la seconde antenne, et étant apte à recevoir et à exécuter un programme applicatif impliquant une communication avec un lecteur sans contact, par l'intermédiaire de la seconde antenne. Dans ce mode de réalisation, il n'est pas absolument nécessaire que la carte SIM possède une antenne, puisque les applications sans contact supplémentaires sont hébergées sur la deuxième carte à puce, et elles sont en outre interchangeables par échange de cette seconde carte à puce et par conséquent des programmes applicatifs disponibles pour l'utilisateur. Le support de communication portable peut donc être configuré pour recevoir une carte à puce à double interface de communication ayant d'une part des contacts électriques connectés à des contacts correspondants situés dans le support mobile de communication, et ayant d'autre part une antenne apte à communiquer par couplage inductif avec ladite seconde antenne solidaire du support de communication mobile.In an advantageous embodiment of the mobile communication support, it further comprises a slot and a receptacle for the introduction of a second contactless smart card, said second contactless smart card being disposed in the field. electromagnet of the second antenna, and being adapted to receive and execute an application program involving communication with a contactless reader, through the second antenna. In this embodiment, it is not absolutely necessary for the SIM card to have an antenna, since the additional non-contact applications are hosted on the second smart card, and they are also interchangeable by exchange of this second smart card. and therefore application programs available to the user. The portable communication medium can therefore be configured to receive a dual-interface smart card having on the one hand electrical contacts connected to corresponding contacts located in the mobile communication medium, and on the other hand having a suitable antenna. to communicate by inductive coupling with said second integral antenna of the mobile communication medium.
A titre d'exemple, le programme applicatif est un programme de paiement sans contact d'un service ou d'une prestation, de sorte que le support de communication est à la fois apte à effectuer des transactions de téléphonie mobile utilisant la carte SIM et le réseau de télécommunication mobile, et des transactions de paiement utilisant la seconde carte à puce sans contact et le lecteur de carte à puce externe.For example, the application program is a contactless payment program of a service or a service, so that the communication medium is both able to perform mobile phone transactions using the SIM card and the mobile telecommunication network, and payment transactions using the second contactless smart card and the external smart card reader.
Dans un autre mode de réalisation simplifié de l'invention, le support de communication portable ne comporte pas de carte SIM ni de fonction de téléphonie mobile, mais simplement une carte à puce à double interface de communication, à savoir une interface à contact reliée à l'électronique interne du support de communication pour que l'utilisateur puisse stocker ses données dans la mémoire de la carte à puce, et une interface sans contact permettant d' échanger des données avec un lecteur externe de proximité. D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée des dessins annexés dans lesquels :In another simplified embodiment of the invention, the portable communication medium does not include a SIM card or a mobile telephone function, but simply a dual-interface smart card, namely a contact interface connected to the internal electronics of the communication medium so that the user can store his data in the memory of the smart card, and a contactless interface for exchanging data with an external reader of proximity. Other characteristics and advantages of the invention will appear on reading the detailed description of the appended drawings in which:
- la figure 1 illustre en vue en plan un premier mode de réalisation de l'interface de communication et du support de communication mobile selon l'invention . - la figure 2 illustre un second mode de réalisation de l'interface de communication et du support de communication mobile selon l'invention .- Figure 1 illustrates in plan view a first embodiment of the communication interface and the mobile communication medium according to the invention. FIG. 2 illustrates a second embodiment of the communication interface and the mobile communication support according to the invention.
- la figure 3 illustre un troisième mode de réalisation de l'invention.FIG. 3 illustrates a third embodiment of the invention.
On se réfère à la figure 1. Dans cette figure, on a représenté de façon schématique un support de communication mobile 1, par exemple sous la forme d'un téléphone mobile compatible avec la norme GSM ou équivalent. Le téléphone mobile 1 est pourvu d'un corps 2 qui typiquement porte un écran et un clavier (non représentés), divers circuits électroniques connus dans l'état de la technique, ainsi qu'une batterie 9 destinée à alimenter l'ensemble. Le support de communication mobile 1 porte aussi une carte à puce 11 de type carte SIM servant à identifier l'utilisateur du support de communication auprès du réseau de télécommunication mobile utilisé, qui est accessible au moyen de l'antenne 13.Referring to FIG. 1, this figure schematically shows a mobile communication medium 1, for example in the form of a mobile phone compatible with the GSM standard or equivalent. The mobile phone 1 is provided with a body 2 which typically carries a screen and a keyboard (not shown), various electronic circuits known in the state of the art, and a battery 9 for supplying the assembly. The mobile communication support 1 also carries a SIM card type smart card 11 for identifying the user of the communication medium with the mobile telecommunications network used, which is accessible by means of the antenna 13.
En l'état de la technique, un tel support de communication mobile n'est capable de communiquer qu'avec un ou plusieurs réseaux de télécommunication sans fil, par l'intermédiaire de l'antenne 13, mais il n'est pas en mesure de faire d'autres types de transactions sans fil avec un lecteur 24 de carte à puce sans contact qui serait situé au voisinage du support de communication mobile et qui comporterait des logiciels applicatifs pour faire des transactions locales et sans fil (comme par exemple des application de paiement sans fil) avec un logiciel applicatif correspondant, chargé dans le support de communication mobile 1 ou dans la carte SIM 1 1. Afin de permettre l'exécution de telles transactions locales sans fil sans avoir à établir une communication de type téléphonie sans fil avec le lecteur 24 de carte à puce externe, l'invention prévoit de pourvoir le support de communication mobile 1 d'une autre interface de communication radiofréquence, permettant d'établir une communication par radiofréquence directement entre une carte à puce 11 située dans support de communication mobile, et le lecteur 24 de carte à puce sans contact externe. De cette manière, des transactions non téléphoniques pourront être effectuées entre le support de communication mobile pourvu de son interface de communication radiofréquence, et un ou plusieurs dispositifs externes 24 aptes à communiquer sans contact et de préférence par voie radiofréquence, avec l'interface de communication mobile du support de communication mobile.In the state of the art, such a mobile communication medium is only capable of communicating with one or more wireless telecommunications networks, via the antenna 13, but it is not able to to perform other types of wireless transactions with a contactless smart card reader 24 which would be located in the vicinity of the mobile communication medium and which would include application software for making local and wireless transactions (such as for example applications wireless payment) with a corresponding application software, loaded in the mobile communication medium 1 or in the SIM card 1 1. In order to allow the execution of such wireless local transactions without having to establish a wireless telephony type communication with the external smart card reader 24, the invention provides for providing the mobile communication medium 1 with another interface. radio frequency communication, for establishing a radiofrequency communication directly between a smart card 11 located in mobile communication medium, and the card reader 24 without contact external chip. In this way, non-voice transactions may be made between the mobile communication medium provided with its radio frequency communication interface, and one or more external devices 24 able to communicate without contact and preferably radiofrequency, with the communication interface. Mobile mobile communication support.
En pratique, à condition de charger dans une mémoire appropriée du support de communication mobile 1 les programmes applicatifs nécessaires, par exemple des logiciels de paiement ou de contrôle d'accès, il deviendra possible d'exécuter des transactions de paiement ou de contrôle d'accès entre le support de communication mobile et un terminal sans contact 24 externe, en toute indépendance par rapport au programme de téléphonie mobile chargé dans le support de communication mobile. Il en découle aussi que plusieurs applications indépendantes, comme la téléphonie mobile et le paiement, pourront coexister au sein du support de communication mobile, sans que l'opérateur de téléphonie mobile et l'opérateur de paiement (dans l'application choisie) n'aient à interagir.In practice, provided that the necessary application programs, for example payment or access control software, are loaded into the appropriate memory of the mobile communication medium 1, it will become possible to execute payment or control transactions of access between the mobile communication medium and an external contactless terminal 24, independently of the mobile phone program loaded in the mobile communication medium. It also follows that several independent applications, such as mobile telephony and payment, can coexist within the mobile communication medium, without the mobile operator and the payment operator (in the chosen application). have to interact.
Il est bien entendu que le dimensionnement respectif des antennes 12 et 15 pour obtenir la portée de communication voulue, ainsi que la géométrie des antennes pour minimiser l'interférence électromagnétiques des autres composants du support de communication mobile, sont à la portée de l'homme du métier. On se réfère à la figure 2. Dans cette figure on a représenté un support de communication mobile 1, sous la forme d'un téléphone mobile, portant de manière classique une carte SIM 11. La carte SIM 11 peut être du type a double interface de communication et comporter une antenne 12, ou bien à communication par contact seulement. Lorsque la carte SIM 11 est de type à contact, l'invention prévoit de pourvoir le support de communication mobile d'une autre carte à puce 10, au format carte SIM, SD card, MMC card ou tout autre format approprié, du moment que cette seconde carte 10 porte un logiciel applicatif, notamment de type paiement, destiné à interagir avec le logiciel du terminal sans contact externe 24, à travers une liaison radiofréquence locale. A cet effet, la seconde carte à puce 10 porte une antenne 14 et est placée dans le support de communication mobile 1 de telle manière que les éléments électroniques (la batterie 9) ne fassent pas obstacle au flux électromagnétique à destination de cette antenne. De façon préférentielle, le support de communication mobile 1 comporte une autre antenne 15 de plus grande taille, qui assure l'amplification du flux électromagnétique embrassé par la petite antenne 14 , par couplage inductif.It is understood that the respective dimensioning of the antennas 12 and 15 to obtain the desired range of communication, as well as the geometry of the antennas to minimize the electromagnetic interference of the other components of the mobile communication support, are within man's reach. of career. Referring to Figure 2. In this figure there is shown a mobile communication medium 1, in the form of a mobile phone, conventionally carrying a SIM card 11. The SIM card 11 may be of the dual interface type communication and have an antenna 12, or contact communication only. When the SIM card 11 is of the contact type, the invention provides for providing the mobile communication medium with another smart card 10, in SIM card, SD card, MMC card format or any other appropriate format, provided that this second card 10 carries an application software, in particular payment type, intended to interact with the software of the external contactless terminal 24, through a local radio frequency link. For this purpose, the second smart card 10 carries an antenna 14 and is placed in the mobile communication support 1 so that the electronic elements (the battery 9) do not impede the electromagnetic flow to this antenna. Preferably, the mobile communication support 1 comprises another antenna 15 of larger size, which ensures the amplification of the electromagnetic flux embraced by the small antenna 14, by inductive coupling.
Dans un autre mode de réalisation représenté en figure 3, l'invention prévoit que le support de communication mobile 1 , notamment sous la forme d'un « PDA » (Personal Digital Assistant), ne comporte pas de carte SIM et par conséquent pas d'application téléphonique, mais comporte simplement une carte à puce 10 sans contact pourvue d'une antennel4 , de façon à assurer la communication radiofréquence avec le terminal externe 24. La encore, selon la position et la taille de la carte à puce 10 pourvue d'une antenne, il peut s'avérer nécessaire ou avantageux de prévoir un autre antenne 15 de plus grande taille pour amplifier le signal transmis par l'antenne 14. L'invention telle que décrite atteint les buts visés et permet notamment de cumuler dans certains modes de réalisation une fonction de communication de type téléphonie mobile gérée par un opérateur de téléphonie mobile, avec d'autres transactions sans contact réalisées avec des terminaux de proximité, et d'autres opérateurs comme par exemple des institutions bancaires ou de paiement. In another embodiment shown in FIG. 3, the invention provides that the mobile communication medium 1, in particular in the form of a "PDA" (Personal Digital Assistant), does not include a SIM card and therefore does not include telephone application, but simply comprises a contactless smart card 10 provided with an antenna4, so as to ensure the radio frequency communication with the external terminal 24. Again, according to the position and the size of the smart card 10 provided with An antenna, it may be necessary or advantageous to provide another antenna 15 of larger size to amplify the signal transmitted by the antenna 14. The invention as described achieves the goals and allows in particular to accumulate in some embodiments a mobile telephony type of communication function managed by a mobile operator, with other contactless transactions carried out with proximity terminals, and other operators such as banking or payment institutions.

Claims

REVENDICATIONS
1. Interface de communication (12,15 ;14,15) entre une carte à puce sans contact (11) intégrée dans un support mobile de communication (1) relié à un réseau de télécommunication sans fil, et un lecteur (24) de cartes à puce sans contact situé à proximité du support mobile de communication (1) et destiné à communiquer par radiofréquence avec ladite carte à puce sans contact (11), caractérisée en ce qu'elle comporte d'une part une première antenne (12 ;14) disposée sur la carte à puce sans contact (11) intégrée au support de communication mobile (1), et d'autre part une seconde antenne (15) solidaire du support de communication mobile (1) et reliée par couplage inductif à ladite première antenne (12 ; 14) de façon à permettre à la dite carte à puce sans contact (12 ; 14) de communiquer directement par radiofréquence avec le lecteur (24) de carte à puce sans contact, sans utiliser le réseau de télécommunication sans fil.A communication interface (12,15; 14,15) between a contactless smart card (11) integrated in a mobile communication medium (1) connected to a wireless telecommunications network and a reader (24) for contactless smart cards located near the mobile communication medium (1) and intended to communicate by radio frequency with said contactless smart card (11), characterized in that it comprises firstly a first antenna (12; 14) arranged on the contactless smart card (11) integrated in the mobile communication support (1), and secondly a second antenna (15) integral with the mobile communication support (1) and inductively coupled to said first antenna (12; 14) so as to enable said non-contact smart card (12; 14) to communicate directly by radio frequency with the contactless smart card reader (24) without using the wireless telecommunication network .
2. Interface de communication (12 ;15) selon la revendication 1, caractérisée en ce que la carte à puce (11) sans contact est une carte SIM à double interface de communication, ayant d'une part des contacts électriques connectés à des contacts correspondants situés dans le support mobile de communication (1), et ayant d'autre part une antenne (12) apte à communiquer par couplage inductif avec ladite seconde antenne (15) solidaire du support de communication mobile. 2. Communication interface (12; 15) according to claim 1, characterized in that the contactless smart card (11) is a SIM card with a dual communication interface, having on the one hand electrical contacts connected to contacts. corresponding in the mobile communication medium (1), and on the other hand an antenna (12) adapted to communicate by inductive coupling with said second antenna (15) integral with the mobile communication medium.
3. Interface de communication (12, 15) selon la revendication 2, caractérisée en ce que ledit support de communication mobile (1) est un téléphone mobile compatible avec la norme GSM ou équivalent. 3. Communication interface (12, 15) according to claim 2, characterized in that said mobile communication medium (1) is a mobile phone compatible with the GSM standard or equivalent.
4 Interface de communication (12,15) selon la revendication 3, caractérisée en ce que la seconde antenne (15) est disposée sur le corps du téléphone mobile (1) de manière à être en face de la première antenne (12) située sur la carte SIM (11).4 communication interface (12,15) according to claim 3, characterized in that the second antenna (15) is arranged on the body of the mobile phone (1) so as to be in front of the first antenna (12) located on the SIM card (11).
5. Support de communication portable (1), caractérisé en ce qu'il comporte une interface de communication (12,15 ;14, 15) selon l'une quelconque des revendications précédentes.5. Portable communication medium (1), characterized in that it comprises a communication interface (12,15; 14,15) according to any one of the preceding claims.
6. Support de communication portable (1) selon la revendication 5, caractérisé en ce qu'il comporte en outre une fente et un réceptacle pour l'introduction d'une deuxième carte à puce (10) sans contact, ladite deuxième carte à puce sans contact étant disposée dans le champ électromagnétique de la seconde antenne (15), et étant apte à recevoir et à exécuter un programme applicatif impliquant une communication avec un lecteur (24) sans contact, par l'intermédiaire de la seconde antenne (15).6. Portable communication medium (1) according to claim 5, characterized in that it further comprises a slot and a receptacle for the introduction of a second smart card (10) without contact, said second smart card non-contact being arranged in the electromagnetic field of the second antenna (15), and being able to receive and execute an application program involving communication with a reader (24) without contact, via the second antenna (15) .
7. Support de communication portable (1) selon la revendication 6, caractérisé en ce que ledit programme applicatif est un programme de paiement d'un service ou d'une prestation, de sorte que le support de communication est à la fois apte à effectuer des transactions de téléphonie mobile utilisant la carte SIM (11) et le réseau de télécommunication mobile, et des transactions de paiement utilisant la seconde carte à puce (10) sans contact et le lecteur (24) de carte à puce externe.7. Portable communication medium (1) according to claim 6, characterized in that said application program is a payment program of a service or a service, so that the communication medium is both able to perform mobile phone transactions using the SIM card (11) and the mobile telecommunication network, and payment transactions using the second contactless smart card (10) and the external smart card reader (24).
8. Support de communication mobile (1) caractérisé en ce qu'il est configuré pour recevoir une carte à puce (10) à double interface de communication ayant d'une part des contacts électriques connectés à des contacts correspondants situés dans le support mobile de communication, et ayant d'autre part une antenne (14) apte à communiquer par couplage inductif avec ladite seconde antenne (15) solidaire du support de communication mobile (1). Mobile communication medium (1), characterized in that it is configured to receive a chip card (10) with a dual communication interface having on the one hand electrical contacts connected to corresponding contacts located in the mobile support of communication, and on the other hand having an antenna (14) able to communicate by inductive coupling with said second antenna (15) integral with the mobile communication medium (1).
9. Support de communication mobile (1) selon la revendication 8, caractérisée en ce que la carte à puce (10) à double interface de communication comporte une mémoire de masse accessible par l'utilisateur afin d'y stocker des données relatives à ses applications. 9. mobile communication medium (1) according to claim 8, characterized in that the chip card (10) dual communication interface comprises a mass memory accessible by the user to store data relating to its applications.
EP07872414A 2006-12-20 2007-12-20 Radiofrequency local communication interface between a mobile phone and a contactless reader Withdrawn EP2097989A1 (en)

Applications Claiming Priority (2)

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FR0611190A FR2910746B1 (en) 2006-12-20 2006-12-20 LOCAL RADIO FREQUENCY COMMUNICATION INTERFACE BETWEEN A MOBILE PHONE AND A CONTACTLESS READER
PCT/FR2007/002129 WO2008096059A1 (en) 2006-12-20 2007-12-20 Radiofrequency local communication interface between a mobile phone and a contactless reader

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WO2008096059A8 (en) 2010-03-04
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KR20100043031A (en) 2010-04-27
FR2910746B1 (en) 2009-01-23
KR20150039874A (en) 2015-04-13
JP2010514307A (en) 2010-04-30
US8644880B2 (en) 2014-02-04

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