EP1459250A1 - Portables kontaktloses objekt an mindestens einem peripheriegerät mit derselben antenne wie der chip verbunden - Google Patents

Portables kontaktloses objekt an mindestens einem peripheriegerät mit derselben antenne wie der chip verbunden

Info

Publication number
EP1459250A1
EP1459250A1 EP02799852A EP02799852A EP1459250A1 EP 1459250 A1 EP1459250 A1 EP 1459250A1 EP 02799852 A EP02799852 A EP 02799852A EP 02799852 A EP02799852 A EP 02799852A EP 1459250 A1 EP1459250 A1 EP 1459250A1
Authority
EP
European Patent Office
Prior art keywords
chip
antenna
peripheral device
reader
portable object
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Withdrawn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
EP02799852A
Other languages
English (en)
French (fr)
Inventor
Nicolas Les Vergers des Belles Terres PANGAUD
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.)
ASK SA
Original Assignee
ASK 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 ASK SA filed Critical ASK SA
Publication of EP1459250A1 publication Critical patent/EP1459250A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • 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
    • G06K19/0716—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 at least one of the integrated circuit chips comprising a sensor or an interface to a sensor
    • G06K19/0717—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 at least one of the integrated circuit chips comprising a sensor or an interface to a sensor the sensor being capable of sensing environmental conditions such as temperature history or pressure
    • 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
    • G06K19/0701—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 at least one of the integrated circuit chips comprising an arrangement for power management
    • 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
    • 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
    • G06K19/07701—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction
    • G06K19/07703—Constructional details, e.g. mounting of circuits in the carrier the record carrier comprising an interface suitable for human interaction the interface being visual
    • 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

Definitions

  • Contactless portable object comprising at least one peripheral device connected to the same antenna as the chip
  • the present invention relates to contactless portable objects and more particularly to a contactless portable object comprising a chip and at least one peripheral device connected to the same antenna.
  • Portable objects such as contactless smart cards
  • They are generally cards in ISO format which are coupled to readers, by which they are remotely supplied, that is to say by which they receive energy in the form of electromagnetic signals and with which they communicate.
  • readers In the public transport sectors, such means have also been implemented in the form of ISO cards or in a more reduced form such as tickets.
  • the cards or tickets are presented by users in front of readers in order to access public transport. The communication that is established with the reader allows the recognition of the user and the debit of the price of the trip on the account of the latter.
  • a second need is the possibility of using the same card in several different applications. Indeed, one can imagine that a card could communicate with different readers. Thus, a credit card operating in automatic teller machines can be used as an electronic purse. Similarly, a contactless transport card can be used to pay small amounts. The same card then becomes an accessory that can be used daily in several different applications.
  • a third need may be to have a small keyboard on the contactless card making it possible to enter data during a transaction between the card and a terminal. Such a keyboard would be placed on the body of the smart card.
  • the object of the invention is to overcome these drawbacks by providing a portable object having several independent functions implemented by means of one or more independent peripheral devices connected to the same antenna.
  • the present invention relates to a contactless portable object comprising a chip, an antenna allowing the communication of electromagnetic signals between the chip and a reader associated with the contactless portable object, the antenna terminals being connected to the terminals of the chip and at least one contactless peripheral device different from a chip and having a different function from the chip, also connected in parallel to the antenna terminals and whose energy for operate is extracted from electromagnetic signals from the reader and supplied by the antenna.
  • FIG. 1 represents a contactless portable object comprising, in addition to the chip, a temperature sensor and a display device connected to the terminals of the antenna according to the principles of the invention
  • FIG. 2 represents the electrical diagram of a contactless card comprising a single chip
  • FIG. 3 represents the electrical diagram of a contactless card comprising a peripheral device in addition to the chip
  • FIG. 4 represents the electrical diagram equivalent to that of FIG. 3.
  • FIG. 1 represents a contactless smart card in ISO format.
  • the card 10 includes a chip 12. This chip dialogs with a reader via an antenna 14. In fact, when the card is placed in the magnetic field generated by the reader, there is electromagnetic coupling between the chip 12 and the reader. Data and energy then pass between the chip and the reader via their respective antenna.
  • the antenna 14 consists of turns of circumference growing. Each end of this antenna is connected to the chip 12.
  • the chip card 10 also includes two peripheral devices 16 and 18.
  • the peripheral devices 16 and 18 are respectively a display device and a temperature sensor, both being connected in bypass to the terminals of the chip 12.
  • the peripheral devices placed on the card may be of the same nature or of a different nature as is the case in FIG. 1.
  • the card 10 could comprise a single peripheral device or more than two peripheral devices depending on the needs .
  • all the peripheral devices placed on the card 10 are connected bypass to the terminals of the chip, that is to say to the terminals of the antenna 14.
  • each of the peripheral devices can, like the chip, receive data and its operating energy from the reader thanks to the electromagnetic coupling between the antenna of the reader and the antenna 14 of the card.
  • FIG. 2 represents the electrical diagram of a conventional smart card not having peripheral devices.
  • the circuit first comprises the antenna 14 and a capacitor 22 formed from the combination of a capacitor and the stray capacitance of the chip.
  • the capacitor 22 is in fact a tuning capacitor making it possible, in combination with the antenna 14, to form a circuit resonant to the frequency of the electromagnetic signals transmitted by the reader.
  • the frequency at which resonance occurs is 13.56 megahertz (MHz) according to the current standard.
  • a resistor 24 can be connected in parallel via an electronic switch 26 inside the chip, in order to generate a subcarrier frequency of retromodulation between the chip card and the reader.
  • the sub-carrier retromodulation frequency is 847 kilohertz (kHz).
  • Closing and opening of the switch 26 makes it possible to transmit the data at the retromodulation frequency, the modulation preferably being a modulation by phase change at each change of bit giving rise to the change of state of the switch 26.
  • the resistor 28 represents the inherent resistance of the chip, and the assembly provided by the zener diode 30 and the resistors 32 and 34 has the function of limiting the voltage across the terminals of the antenna 14.
  • the peripheral device integrated on the card in addition to the chip it also includes a chip. But unlike the card chip, this chip is used as a processor for the implementation of the device function. Consequently, its diagram will be similar to that of FIG. 2 and will include the same type of components as that of the chip. Assuming that a peripheral device (display device, sensor, keyboard or other) is connected in parallel on the antenna and the chip, the electrical diagram of the assembly is then presented as the combination of two electrical circuits of the same type as that of FIG. 2 as shown in FIG. 3.
  • a peripheral device display device, sensor, keyboard or other
  • the second circuit connected in parallel to the terminals of the antenna 14, therefore comprises a capacitor 42 which represents at least the parasitic capacitance of the peripheral device, a resistor 44 connected at parallel by means of a switch 46 in order to generate a subcarrier frequency of retromodulation between the peripheral device and the reader and thus allow the peripheral device to send data to the reader.
  • the resistor 48 is a resistor equivalent to that of the peripheral device, and the assembly formed by the zener diode 50 and the resistors 52 and 54 has the function of limiting the voltage across the terminals of the antenna 14. In reality, the electrical circuit of FIG. 3 can be reduced to the circuit illustrated in FIG. 4.
  • the capacity 60 equivalent to the capacities 22 and 42 must be the tuning capacity whose value is that for which the circuit formed by the antenna 14 and the tuning capacity enters into resonance at the frequency of the carrier transmitted by the reader.
  • the tuning capacity of the peripheral device is generally lower than that of the chip, so that the overall capacity is distributed at 75% over the capacity of the chip and at 25% over the capacity of the peripheral device.
  • the resistor 62 is the resistor equivalent to the two resistors 28 and 48 in parallel.
  • the assembly formed by the zener diode 64 and the resistors 66 and 68 it is in fact the assembly of the diode 30 and the resistors 32 and 34 or the assembly of the diode 50 and the resistors 52 and 54 who has the lower threshold.
  • the electrical circuit illustrated in Figure 4 includes two switching elements. Resistor 24 and switch 26 (when closed) are used to transmit information from the chip to the reader at a certain frequency (for example 847 KHz), while resistor 44 and switch 46 (when is closed) are used to transmit information from the peripheral device to the reader at a frequency which may be different from that used by the chip. Note that there are as many switching elements formed of a resistor and a switch as there are peripheral devices, including the chip, present on the card. As mentioned above, the modulation used for the transmission of information from each of the peripheral devices is a modulation by phase change at each change of bit giving rise to the change of state of the associated switch. In general, the peripheral devices present on the card can operate with the same reader as the chip or with different readers.
  • the latter includes an anti-collision system allowing the reader to communicate simultaneously with the various peripheral devices present on the card.
  • the reader dialogues with the chip and the peripheral devices as if they were connected to different antennas and / or placed on different cards.
  • the peripheral device can also use data transmitted in the form of instructions by the chip.
  • the dialogue is carried out by the antenna using the retromodulation resistor of the peripheral device, the chip acting as a reader by modulating the signal present on the antenna by the data to be transmitted.
  • the chip can communicate with peripheral devices unless it is properly powered, which constitutes a security element.
  • the peripheral device is a display device displaying the results of a transaction carried out by the chip.
  • the display device can in particular display the amount of money remaining on the contactless smart card, if the latter is an electronic purse. It can also display information related to the operation of the card.
  • the peripheral device 16 is a display device while the peripheral device 18 is a temperature sensor, such a card being used for example for monitoring the cold chain for frozen products.
  • the peripheral device 18 is a temperature sensor, such a card being used for example for monitoring the cold chain for frozen products.
  • the latter questions the temperature sensor 18 and stores the value read in its memory. Then it proceeds to display of this value on the screen of the display device 16 thanks to the information signals transmitted between the reader and the antenna of the card.
  • the temperature value supplied by the sensor can be transmitted to the chip 12 which itself transmits this value to the display device 16 by modulating the signals received from the reader, the reader being used in this case only supplying energy to the chip 12 and to the device 16 during their data exchange.
  • the display is made retentive, which allows the user to have time to read the information at any time after the transaction with the reader.
  • the peripheral device is a keyboard, and preferably a numeric keyboard.
  • This function can be particularly interesting in the application of the contactless smart card as an electronic purse. Indeed, such a device can be used to enter the amount of money that is to be loaded into the electronic purse from a distributor. Such a keyboard can also be used to enter an access code. The operation of this type of device requires that the contactless object remain present in the reader field during entry.
  • each of the peripheral devices has little impact either on the functioning of the chip, or on the functioning of the other peripheral devices of the portable object, or on the transactions which are carried out between the chip, the other peripheral devices and their readers.
  • a malfunction must not have any influence on the functionality of the other elements of the contactless portable object, whether it is the chip or the other peripheral devices. The user can therefore always use the functions of the chip and other peripheral devices on the card.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Credit Cards Or The Like (AREA)
  • Near-Field Transmission Systems (AREA)
  • Details Of Aerials (AREA)
  • Lock And Its Accessories (AREA)
EP02799852A 2001-12-28 2002-12-24 Portables kontaktloses objekt an mindestens einem peripheriegerät mit derselben antenne wie der chip verbunden Withdrawn EP1459250A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0117000 2001-12-28
FR0117000A FR2834367B1 (fr) 2001-12-28 2001-12-28 Objet portable sans contact comportant au moins un dispositif peripherique connecte a la meme antenne que la puce
PCT/FR2002/004560 WO2003056510A1 (fr) 2001-12-28 2002-12-24 Objet portable sans contact comportant au moins un dispositif peripherique connecte a la meme antenne que la puce

Publications (1)

Publication Number Publication Date
EP1459250A1 true EP1459250A1 (de) 2004-09-22

Family

ID=8871063

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02799852A Withdrawn EP1459250A1 (de) 2001-12-28 2002-12-24 Portables kontaktloses objekt an mindestens einem peripheriegerät mit derselben antenne wie der chip verbunden

Country Status (15)

Country Link
US (1) US20040112966A1 (de)
EP (1) EP1459250A1 (de)
JP (1) JP2005513679A (de)
KR (1) KR20040068855A (de)
CN (1) CN1273926C (de)
AU (1) AU2002364487A1 (de)
BR (1) BR0207653A (de)
CA (1) CA2439516A1 (de)
FR (1) FR2834367B1 (de)
IL (1) IL157449A0 (de)
MX (1) MXPA03007762A (de)
RU (1) RU2003132442A (de)
TW (1) TWI263943B (de)
WO (1) WO2003056510A1 (de)
ZA (1) ZA200306539B (de)

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US8643595B2 (en) * 2004-10-25 2014-02-04 Sipix Imaging, Inc. Electrophoretic display driving approaches
WO2006100743A1 (ja) * 2005-03-18 2006-09-28 Fujitsu Limited 表示機能付情報メディア
US20070176912A1 (en) * 2005-12-09 2007-08-02 Beames Michael H Portable memory devices with polymeric displays
KR100747740B1 (ko) * 2006-03-07 2007-08-09 양재우 스마트 카드
FR2904132B1 (fr) * 2006-07-21 2008-08-22 Ask Sa Dispositif d'identification par radiofrequence (rfid) appose sur un objet a identifier
US8011592B2 (en) * 2007-01-19 2011-09-06 Sipix Imaging, Inc. Temperature management in an integrated circuit card with electrophoretic display
US8096479B2 (en) 2007-02-23 2012-01-17 Newpage Wisconsin System Inc. Multifunctional paper identification label
US8274472B1 (en) 2007-03-12 2012-09-25 Sipix Imaging, Inc. Driving methods for bistable displays
US8243013B1 (en) 2007-05-03 2012-08-14 Sipix Imaging, Inc. Driving bistable displays
US20080303780A1 (en) * 2007-06-07 2008-12-11 Sipix Imaging, Inc. Driving methods and circuit for bi-stable displays
EP2053546A1 (de) * 2007-10-26 2009-04-29 Gemplus Funkkommunikationsvorrichtung, die einen Zeitgeber umfasst
US8462102B2 (en) * 2008-04-25 2013-06-11 Sipix Imaging, Inc. Driving methods for bistable displays
CN102113046B (zh) * 2008-08-01 2014-01-22 希毕克斯影像有限公司 用于电泳显示器的带有误差扩散的伽马调节
FR2938096B1 (fr) * 2008-11-03 2010-11-26 Oberthur Technologies Dispositif electronique autorisant des communications sans contact en champ proche.
US9460666B2 (en) * 2009-05-11 2016-10-04 E Ink California, Llc Driving methods and waveforms for electrophoretic displays
TWI416416B (zh) * 2011-01-13 2013-11-21 Chang Jung Christian University Chip device

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Also Published As

Publication number Publication date
TW200301443A (en) 2003-07-01
KR20040068855A (ko) 2004-08-02
AU2002364487A1 (en) 2003-07-15
TWI263943B (en) 2006-10-11
JP2005513679A (ja) 2005-05-12
FR2834367A1 (fr) 2003-07-04
CN1273926C (zh) 2006-09-06
BR0207653A (pt) 2004-06-01
FR2834367B1 (fr) 2005-06-24
RU2003132442A (ru) 2005-05-27
US20040112966A1 (en) 2004-06-17
WO2003056510A1 (fr) 2003-07-10
IL157449A0 (en) 2004-03-28
ZA200306539B (en) 2004-08-18
MXPA03007762A (es) 2004-03-16
CA2439516A1 (fr) 2003-07-10
CN1494700A (zh) 2004-05-05

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