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
  • G06K19/07743—External electrical contacts
• • 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
  • G06K19/07737—Constructional details, e.g. mounting of circuits in the carrier the record carrier consisting of two or more mechanically separable parts
  • G06K19/07739—Constructional details, e.g. mounting of circuits in the carrier the record carrier consisting of two or more mechanically separable parts comprising a first part capable of functioning as a record carrier on its own and a second part being only functional as a form factor changing part, e.g. SIM cards type ID 0001, removably attached to a regular smart card form factor
• • 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
  • G06K7/10237—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 the reader and the record carrier being capable of selectively switching between reader and record carrier appearance, e.g. in near field communication [NFC] devices where the NFC device may function as an RFID reader or as an RFID tag

Definitions

• the present invention relates to the field of contactless cards, and more particularly the field of use of mobile communication terminals as a contactless card
• a contactless card is based on NPC technology (for Near Field Communication) and allows different types of applications such as electronic transactions in the banking sector or in public transport, or also applications.
• identification control for access control A contactless card is composed of a near-field communication component, or NFC component thereafter, and an associated antenna which enables it to set up the interface contactless with a remote entity, which is an NFC equipment such as an electronic payment terminal or a terminal for validating electronic tickets transport, or an identification entity, depending on the applications considered.
• a mobile telephone terminal contains a subscriber identity module, or the SIM card (of the English Subsc ⁇ ber Identity Module). ').
• the SIM card includes a chip with a microcontroller and memory It is used to store the subscriber specific information of a mobile communication network.
• these mobile phones When these mobile phones can be used as a contactless card, they also include an NFC component and an associated antenna. Certain mobile phone architectures thus make it possible to cooperate mobile telephony functionalities and NFC-type functionalities (for 'Near' Field Communication 'in English).
• FIG. 1 illustrates another architecture already envisaged of such a mobile phone.
• This mobile phone 10 comprises a microprocessor 11 connected to a SIM card 14 on which an NFC component 12 is implemented. More precisely, the SIM card integrates, on the one hand, a contact interface for its conventional use and its o ⁇ entées functionalities to the telephony mobile, and secondly, a contactless interface implemented via an antenna 13 for NFC-type features
• the SIM card integrates the NFC component required for near-field communications
• the NFC component on the SIM card is remote from its antenna
• the tablecloth Son 21 makes it possible to drive two antenna wires between two contacts of the SIM card 14 and the antenna 13, that is to say to extend the antenna 13 to the NFC component, and thus connect the NFC component to the antenna that corresponds to it and uses it.
• the signals carried are then analog signals.
• the antenna wires of the layer of wires 21 which connect the antenna to the NFC component located at the level of the SIM card are subjected to the influence of numerous metal masses which can be placed near their location in the shell. mobile terminal, as well as electronic components.
• antenna In such an architecture, it is therefore not easy to guarantee a certain level of quality since the reliability of the wired interface connecting the antenna to the NFC component can be questioned depending on the location of the wire sheet.
• This wired interface of antenna wires 21 can take different paths between the NFC component and the antenna 13 for different mobile phones that do not have the same shell shapes, but also for the same mobile phone according to which this layer of wire is placed. wires inside her hull. Thus, depending on the paths taken more or less tortuous, different levels of quality can be obtained.
• the transported signals are analog signals, it is necessary to determine a length of connecting wires adapted for optimal operation of the NFC components.
• these lengths of connecting son may be incompatible with the development of some boxes of mobile terminals. As a result, it can sometimes be difficult to translate these NFC components for cooperating with SIM cards from one mobile terminal to another.
• this wired interface 21 is composed of a sheet of wires that can be damaged after several manipulations of the SIM card, and in fact lead to a drop in the quality level of the NFC-type functionalities due to a low quality level. transmission of analog signals.
• the antenna wires of the wire web 21 are connected to the SIM card on two contacts C4 and C8 which can not be used for other possible connections.
• the present invention aims to improve the situation.
• a first aspect of the present invention provides an electronic entity adapted for a mobile terminal, said mobile terminal being able to include a subscriber identity card, said electronic entity comprising a near-field communication component, an antenna for the near-field communication component and a wired interface for connecting the near-field component to the subscriber identity card,
• the term "positioned at the antenna” is used to mean that the NFC component and the antenna are not distant, but rather positioned. close to each other so that there is no degradation of analog signals between the antenna and the NFC component.
• the NFC component can be integrated directly into the antenna. .
• the relatively short length of the wires to connect the NFC component and its antenna.
• the length of these antenna wires is such that the transmission of the signals on these wires is not disturbed by the environment.
• the mobile terminal housing such as metal masses or electronic components in particular.
• the antenna is an antenna adapted to be positioned in a mobile terminal housing and to be easily removable. In this case, when the antenna is removed, the NFC component is also removed. he is directly connected
• An electronic entity that provides a user of a mobile terminal with both mobile telephony functionality and contactless card functionality while still retaining all of these features and the user data therein is provided. stored and associated, even in the case of a mobile phone change
• This electronic entity architecture also allows to guarantee a level of performance of the NFC component, since the performances are no longer affected here by the path of the wired interface , unlike the case described above with reference to FIG. 1 Unlike the prior art, here the signals transported are digital signals and not analog signals. In this case, even if certain transported information is corrupted, the management protocol can allow to recover them
• the contacts of the SIM card which are interfering with the contacts C4 and C8, previously used for connecting, via a wired mat, the antenna to the NFC component in the SIM card, can be released, since the NFC component is not implemented in the SIM card
• a wired interface between the SIM card and the near-field communication component since, unlike an embodiment of the anteneur art cited, the NFC component is distant from the SIM card, ie it is not integrated in the SIM card
• One embodiment of the present invention is advantageously applicable for NFC components that consist in emulating a contactless card or for components that consist in operating as a card reader.
• the power supply of the NFC component can be supplied via the antenna 13 of the NFC component by an NFC equipment with which the contactless card discusses, that is to say by the equipment that operates as a contactless card reader
• the wired interface can support only a single wire between the NFC component and the SIM card, this wire being the one that is adapted to carry information according to a protocol near field communications management
• the wired interface may comprise both an electrical power supply and a wire carrying information according to an NFC type communication management protocol
• the power supply can advantageously be transported to the NFC component directly from the contacts from which the SIM card retrieves it.
• the wired interface is composed of a plastic film including at least one connecting wire and a contact associated with said connecting wire, said contact associating with said connecting wire being intended to be positioned at the level of a contact of the subscriber identity card, and the plastic film is perforated in several locations around said contact.
• the thin interface between the NFC component and the SIM card includes one or more connecting wires, made of a conductive material that may be copper, which make it possible to connect the SIM card and the NFC component.
• the plastic film, or the plastic web therefore comprises an end contact of each connecting wire intended to associate with a contact of the SIM card.
• the contact associated with the wire of the wired interface is positioned at a contact of the subscriber identity card by gluing.
• the wired interface carries information according to a near field communication management protocol.
• this wired interface makes it possible to transport information according to an NFC communication management protocol and thus to manage near-field communications for corresponding applications.
• the information carried may correspond to data exchange required between the NFC component and the SIM card for NFC communications management
• the NFC component is electrically powered, via its antenna, by NFC equipment with which it is intended to communicate for the implementation of an NFC application
• the NFC component needs to be fed directly
• such a wired interface may also include a link for transporting a power supply.
• the wired interface may furthermore carry an electrical power supply from the SEVI card to the NFC component.
• the electrical power supply is repeated from the SIM card contacts that are adapted to receive the power supply, then it is transported via the wired interface to the NFC component
• the NFC component is connected directly to the batte ⁇ e of the mobile terminal. In this case, there is no need for the wired interface for the power supply of the NFC component. In addition, it suffices then to change the batte ⁇ e to transform a conventional mobile terminal NFC mobile terminal according to an embodiment of the present invention
• the power supply is transported to the communication component in the near field via two connecting wires to which correspond respectively two contacts of the wired interface, each of said contacts of the wired interface allowing
• it is intended to position the contacts of the wired interface, which are associated with the connection son intended to carry the electrical supply, between, of on the one hand, the contacts of the mobile terminal which supply the electrical power supply, and on the other hand, the contacts of the SIM card which are intended to receive the power supply.
• the near field communication management protocol can be a SWP type protocol (for 'Single Wire Protocol')
• a near-field communication is managed according to a first frequency value, said electronic entity further comprising a quartz clock providing a second frequency value greater than said first frequency value, and a frequency divider.
• the first frequency value can be a value defined by an NFC standard. It can take for example a value of 13.56 MHz. In this case, a quartz clock with an approximate value of 27 Mhz can be used.
• a second aspect of the present invention provides a mobile terminal adapted to both operate in a communication network and to manage near-field communications, which comprises an electronic entity according to the first aspect of the present invention.
• the mobile terminal is capable of comprise a subscriber identity card and comprises an electronic entity according to the first aspect of the present invention.
• the electronic entity comprises a wired interface between the near-field communication component and the subscriber identity card.
• This wired interface is composed of a plastic film including at least one connecting wire and a contact associated with said wire of connection,
• the contact associated with the wire is positioned between a contact of the subscriber identity card and a contact of the terminal
• the plastic film being perforated in several locations around said contact.
• the holes in the plastic film around the contact of the wired interface make it possible to introduce a flexibility in the thickness of the plastic sheet, and thus make it possible to easily produce a mechanical connection between a contact of the terminal, a contact SIM card and a wired interface contact, even if the terminal contact does not exert significant pressure.
• These characteristics are relevant in particular to ensure conduction from the contact of the terminal to the contact of the SIM card through the contact of the wired interface, the latter thereby ensuring a conductivity from one of its faces to the other side
• a third aspect of the present invention provides a mobile communication system comprising a plurality of mobile terminals according to the second aspect of the present invention.
• FIG. 1, already described above, illustrates an architecture of a mobile terminal according to the prior art
• Figure 2 illustrates an architecture of an electronic entity according to an embodiment of the present invention
• FIG. 3 illustrates in detail a contact connection at the SEVI board according to one embodiment of the present invention
• FIG. 4 illustrates an area of the wired interface according to one embodiment of the present invention.
• Figure 5 illustrates a mobile telephone system according to an embodiment of the present invention.
• Figure 2 illustrates an architecture of an electronic entity according to an embodiment of the present invention.
• Such an electronic entity 30 is intended to be used in a mobile terminal, for example a mobile telephone terminal, to offer mobile telephony type functionalities and contactless card type functionalities.
• the terminal therefore comprises a subscriber identity card 14, for example a SIM card, for mobile telephone applications, and the electronic entity according to one embodiment of the present invention comprises a communication component. in the near field 12, that is to say an NFC component, an antenna 13 for this NFC component, and a wired interface for connecting the NFC component with the SEVI card from which it is distant
• the NFC component is positioned at the antenna 13 and connected to the subscriber identity card 14 via a wired interface 31
• the wired interface 31 comprises.
• a first wire which may be copper, for carrying information according to a near field communication management protocol
• second and third connecting wires which may be made of copper, intended to carry electrical power
• a mobile terminal has mechanical contacts that are adapted to exert pressure at the contacts of the SIM card.
• Two of these contacts represent the power supply respectively with a ground terminal GND (for 'Ground') and a power supply terminal VCC It is planned to position, between the contacts of the mobile terminal GND and VCC and the contacts of the corresponding SIM card, contacts of the wire interface according to an embodiment of the present invention.
• These contacts of the wire interface have two faces supported on either side of the plastic film and are conductive from one face to the other.
• Figure 3 illustrates in detail a contact connection at the SIM card level according to one embodiment of the present invention.
• the wired interface 31 is composed of a plastic film, which may be in a kapton type material, and which supports the connection wires between the contacts of the SIM card and the contacts of the NFC component.
• Each of these connecting son ends with a contact, such as the contact 42-43 illustrated in Figure 3
• This contact of the wired interface has a first face 42 and a second face 43 on either side of the wall
• Each of the two faces of the contact of the wired interface is here conduct ⁇ ce relative to the other via metallized holes 45 positioned in the plastic film between the faces 42 and 43 for example.
• the contact 42-43 of the wired interface is intended to be connected to a contact 44 of the SDVI card.
• the contact 42-43 of the wired interface is positioned on contact 44 of the SIM card, a mechanical contact 41 of the mobile terminal exerting a mechanical pressure on these contacts 42-43 and 44
• Figure 4 illustrates an area of the wired interface according to an embodiment of the present invention.
• the area illustrated here corresponds to the contact area to be connected to the contacts of the SIM card to connect, according to an embodiment of the present invention, the contacts of the NFC component to the contacts of the SIM card which is distant from this component.
• the plastic film 46 supports contacts 42 of the wired interface, these contacts are suspended sem sem of the plastic film. Near each contact 42, it is advantageous to provide holes 51 for flexibility of the plastic film. These holes 51 improve the flexibility in thickness of the plastic film and thus improve the reliability of a connection as described with reference to Figure 3
• FIG. 5 illustrates a mobile telephone system according to one embodiment of the present invention
• Such a system comprises a plurality of terminals 60, each adapted, according to an embodiment of the present invention, on the one hand to manage mobile telephone communications, and on the other hand to manage NFC type communications
• the system comprises mobile telephone network equipment, such as base stations 62, with which the terminals 60 can communicate via an antenna 63 of the mobile phone. It also includes NFC equipment NFC 61 with which the mobile phones 60 can communicate via the antenna 13. These two antennas 63 and 13 are adapted for the implementation respectively of mobile phone applications and NFC applications. .

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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)
• Health & Medical Sciences (AREA)
• Toxicology (AREA)
• Electromagnetism (AREA)
• General Health & Medical Sciences (AREA)
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Applications Claiming Priority (2)

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• 2009
  • 2009-07-31 FR FR0955400A patent/FR2948797A1/fr active Pending
• 2010
  • 2010-07-21 US US13/388,121 patent/US8761667B2/en not_active Expired - Fee Related
  • 2010-07-21 WO PCT/FR2010/051546 patent/WO2011012797A2/fr active Application Filing
  • 2010-07-21 CN CN201080044381.3A patent/CN102576421B/zh not_active Expired - Fee Related
  • 2010-07-21 EP EP10752072A patent/EP2460119A2/de not_active Withdrawn

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