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WO1997010566A1 - Carte a puce destinee a la communication avec un ordinateur personnel par l'intermediaire d'une interface pcmcia - Google Patents

Carte a puce destinee a la communication avec un ordinateur personnel par l'intermediaire d'une interface pcmcia Download PDF

Info

Publication number
WO1997010566A1
WO1997010566A1 PCT/IB1996/000926 IB9600926W WO9710566A1 WO 1997010566 A1 WO1997010566 A1 WO 1997010566A1 IB 9600926 W IB9600926 W IB 9600926W WO 9710566 A1 WO9710566 A1 WO 9710566A1
Authority
WO
WIPO (PCT)
Prior art keywords
smartcard
computer
contact pads
pcmcia
function module
Prior art date
Application number
PCT/IB1996/000926
Other languages
English (en)
Inventor
Dan Kikinis
Original Assignee
Elonex Plc
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 Elonex Plc filed Critical Elonex Plc
Publication of WO1997010566A1 publication Critical patent/WO1997010566A1/fr

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0013—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers
    • G06K7/0021—Methods or arrangements for sensing record carriers, e.g. for reading patterns by galvanic contacts, e.g. card connectors for ISO-7816 compliant smart cards or memory cards, e.g. SD card readers for reading/sensing record carriers having surface contacts
    • 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
    • G06K19/07737—Constructional details, e.g. mounting of circuits in the carrier the record carrier consisting of two or more mechanically separable parts
    • G06K19/07741—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 operating as a regular record carrier and a second attachable part that changes the functional appearance of said record carrier, e.g. a contact-based smart card with an adapter part which, when attached to the contact card makes the contact card function as a non-contact card

Definitions

  • the present invention is in the field of personal-computer card technology and relates in particular to PCMCIA cards and interfaces for such cards to computers.
  • a SmartCard as it is known in the current art, is similar in size and appearance to an ordinary credit card. SmartCards contain electronic circuitry, such as a microprocessor, that provides data storage and manipulation, and is easily stored in a wallet, folder, or a similar device with a low risk of being damaged.
  • One type of SmartCard for which international standards have been established, is a card with conductive pads on its surface to make connections with other devices for reading and recording data. This type of SmartCard has gained wide acceptance in banking transactions, telephone communication, as a means of access to industrial, defense and other secure areas, and in other transactions that require the use of a personalized security code and other stored data. As SmartCard design and production improve and more consumer applications evolve in the future, commercial, government, and in-home use of SmartCards will become even more commonplace.
  • SmartCards One area of technology which could benefit from the use of SmartCards, but has not to date, is the area of on-line computer communications.
  • SmartCards having inherent data encryption and security features, could be used to make access to computer data more secure by allowing only the SmartCard, combined with a special code, to be allowed access to stored data.
  • SmartCards have not been used as a means of secure access to data and overall security control for individual personal computers nor for computer-to-computer communications.
  • a readily available and economic method and apparatus to interface a SmartCard with personal computers has not been developed and manufactured to date. Such an interface, if available, would allow portability and transfer of data between computers as a matter of convenience and would counter the many security problems with communications on a computer interconnecting network or over phone and ISDN links.
  • PCMCIA Personal Computer Memory Card International Association
  • PC Cards currently are a key technology for adding memory, portable storage, and I/O capabilities to personal computers.
  • the form factor of a PC Card is larger than that of a Smartcard and PC Cards are not as easily carried on a person.
  • PCMCIA slot configured to dock and connect a PC Card.
  • a computer having a CPU and an internal bus has also an interface for accessing data recorded in a SmartCard.
  • the interface comprises a function-module docking bay; and a plug-in function module adapted to dock in the function-module docking bay and connect with the computer's intemal bus, the plug-in function module comprising control circuitry for managing communication with the computer's internal bus, and a SmartCard receptacle including first contact pads positioned to mate with second contact pads of a SmartCard in the receptacle and connected to the control circuitry.
  • the function module control circuitry reads the SmartCard's data through the mated first and second contact pads and sends the data to the computer's internal bus.
  • the docking bay and the function module are compatible with PCMCIA Type I, Type II, or Type III.
  • the SmartCard receptacle has a hinged lid for enclosing a SmartCard and urging contacts together.
  • PCMCIA- compatible function modules can take several forms for accepting and mating with a SmartCard.
  • Provision of a SmartCard interface according to embodiments of the present invention lends all of the encryption and storage power of SmartCards available to computers equipped with a PCMCIA card slot.
  • Fig. 1 is a logical block diagram illustrating a computer system having a SmartCard-to-PC card-to computer interface according an embodiment of the present invention.
  • Fig. 2A shows a front view of a commonly used SmartCard.
  • Fig. 2B shows a simplified cross-section ofthe SmartCard of Fig. 2A.
  • Fig. 2C is a simplified back view ofthe SmartCard of Fig. 2A and Fig. 2B.
  • Fig. 3 A is a lengthwise cross-section of a PC Card with a SmartCard according to an embodiment of the present invention.
  • Fig. 3B is an enlarged view of the electrical interface between a PC Card and a SmartCard according to an embodiment of the present invention.
  • Fig. 4A is an isometric view of a SmartCard-to-PC card interface according to an embodiment ofthe present invention.
  • Fig. 4B is an isometric view of a SmartCard-to-PC card interface according to another embodiment ofthe present invention.
  • Fig. 4C is an isometric view of a SmartCard-to-PC card interface according to yet another embodiment ofthe present invention.
  • Fig. 4D is an isometric view of a SmartCard-to-PC card interface concept according to still another embodiment ofthe present invention.
  • Fig. 1 is a simplified block diagram of a personal computer 19 having a CPU 20 coupled by a bus 22 to PCMCIA port 21, including a PCMCIA-compatible connector 23 in a receiving bay 31.
  • PCMCIA interface 21, together with a unique PC Card 15, comprises a SmartCard-to-computer interface 13 according to an embodiment ofthe present invention.
  • SmartCard 17 has a card body 35, and an on-board processor 39.
  • ASIC 37 is provided in place ofthe typical electronic circuitry of a standard PC Card, and functions as a SmartCard-to-PCMCIA communication interface according to a preferred embodiment ofthe present invention.
  • SmartCard 17 has non-volatile memory 40 connected to processor 39.
  • processor 39 In order to transfer data contained in non- volatile memory 40 of SmartCard 17 to personal computer 19, a user places SmartCard 17 into a special enclosure of unique PC Card 15 such that contact pads of IC 39 on SmartCard 17 contact pads of ASIC 37 in PC Card 15.
  • PC Card 15 is then inserted into receiving bay 31 where it connects with PCMCIA connector 23 via on-board connector 25.
  • SmartCard 17 engaged in PC Card 15 and PCMCIA connector 25 engaged with PCMCIA connector 23.
  • the data from non ⁇ volatile memory 40 of SmartCard 17 may be accessed by computer 19 through the PCMCIA port and PC Card 15 interfaces.
  • Software is executed by the computer to allow secure SmartCard data transactions.
  • Fig. 2A is a plan view of one side of SmartCard 17 of Fig. 1.
  • SmartCard 17 is a typical SmartCard as known in the art. and is similar in size and appearance to an ordinary credit card.
  • SmartCard 17, like other SmartCards, comprises a processor 39 that encrypts data and provides data storage.
  • Fig. 2B is a mostly diagrammatical cross-sectional view of SmartCard 17 with processor 39.
  • Processor 39 encrypts data and provides communication with data stored in non-volatile memory 40.
  • Other SmartCards may have volatile memory as well, and extended processing capability.
  • Processor 39 is connected to contact pads 109 on one flat surface of SmartCard body 35.
  • the layout pattern of contact pads 109 matches the layout pattern of similar contact pads 38 in PC Card 15 in Fig. 1.
  • contact pads 109 of SmartCard 17 engage with contact pads 38 of ASIC 37 in PC Card 15.
  • Fig. 2C is a plan view ofthe side of PC Card 17 opposite the side shown in Fig. 2A. This is the surface with contact pads 109 that are connected to processor 39.
  • Fig. 3 A is a cross-sectional view of PC Card 15 showing
  • PC Card 15 comprises a PCMCIA connector 25 with standard pin assignments for engaging with connector 23 in receiving bay 31 of computer 19 or other computerized device, as is illustrated by Fig. 1.
  • PC Card 15 also comprises a printed circuit board (PCB) 77.
  • ASIC 37 is mounted to PCB 77 in the manner of a flip-chip; that is. with contact pads 38 facing upward.
  • Fig. 3B is enlarged cross-sectional view ofthe area shown in broken circle 41 of Fig. 3 A, showing more detail ofthe apparatus comprising the electrical interface between PC Card 15 and SmartCard 17.
  • Contact pads 109 on the outer surface of SmartCard 17 are connected to connecting traces 95 within the SmartCard in this instance via through-holes 101.
  • Contact pads 38 on PC Card 15 are connected to connecting traces 105 of a PCB 1 15 by means of through-holes 103.
  • PC Card ASIC 37 is connected to contact pads 105 by conductive pads 1 13.
  • An electrical connection between PC card ASIC 37 and SmartCard processor 39 is made by engaging contact pads 38 and 109, which completes an electrically conductive path through the leads, pads, and through holes already described.
  • cushioning devices 11 made of a resilient material such as rubber and the like, are placed between contact pads 38 and the surface of PC card PCB 115.
  • Cushioning devices 111 allow contact pads 38 to move enough and have enough resilience that SmartCard 17 can be held with adequate pressure to ensure reliable electrical contact between SmartCard processor 39 and PC card ASIC 37.
  • Fig. 4A is a simplified isometric view of a SmartCard insertion interface according an embodiment ofthe present invention.
  • SmartCard 141 is loaded into a PC Card 139 through a slot in one side ofthe PC Card enclosure.
  • Fig. 4B is a simplified isometric view of a SmartCard insertion interface according an embodiment of the present invention wherein a SmartCard 143 is be loaded onto a PC Card 145 through a slot in the rear of the PC-Card enclosure.
  • Fig. 4C is a simplified isometric view of a SmartCard insertion interface according another embodiment of the present invention wherein PC Card 153 is equipped with a hinged lid 147. and has a layer of flexible material, such as foam rubber, affixed to the inside surface to apply pressure to SmartCard 17 to ensure electrical connection when lid 147 is closed.
  • SmartCard 148 is placed with its contact pads down in the bay of PC card 153.
  • FIG. 4D is a simplified isometric view of a SmartCard insertion concepts according still another embodiment ofthe present invention, wherein PC Card 161 is equipped with a hinged lid 155. This loading concept differs with the one described above with reference to Fig. 4C in that SmartCard 157 is loaded into a slot on the free end of lid 155 and is retained by the lid.
  • Lid 155 contains contact pads on an ASIC as described in detail with reference to Figs. 3 A and 3B above.
  • Key pad 159 is attached to the end opposite PC card connector 25, as part of PC card enclosure 161, and protrudes from docking bay 31.
  • PC card 15 is engaged with PCMCIA interface connector 23.
  • key pad 159 is accessible after docking and may be used to enter numeric data, such as a personal identification number (PIN), an account number, and the like.
  • PIN personal identification number
  • account number an account number
  • SmartCard may be designed in different ways and that access to the contents of SmartCard IC through PMCIA-Interface may be achieved by many methods and apparatus known in the art, such as those related to magnetic readers and radio technology.
  • a user interface may take the form of a menu that is displayed on a video monitor.
  • a menu may appear after a unique keystroke combination has been entered, or a menu may be automatically displayed when a modified PC Card enclosure is inserted in a PCMCIA slot of a computer.
  • a unique code or signal to activate the display of a menu may be supplied by the ASIC.
  • a user interface may take different forms and need not be a single menu but may be a set of interactive menus displayed selectively on a video monitor. It will be apparent to those with skill in the art that there will be many other alterations that might be made in the embodiments ofthe invention described herein without departing from the spirit and scope of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

Cette invention concerne une interface, entre une carte à puce et un ordinateur, qui utilise une baie d'amarrage compatible PCMCIA de l'ordinateur et un module fonctionnel PCMCIA ayant un logement pour carte à puce dans lequel des plots de contact connectés aux circuits de commande du module fonctionnel sont conçus pour s'accoupler avec les plots de contact dudit module fonctionnel. L'insertion d'une carte à puce dans le module fonctionnel unique et l'amarrage du module fonctionnel à l'intérieur d'une alvéole PCMCIA de l'ordinateur permettent à l'ordinateur d'accéder aux données de la carte à puce et mettent ainsi à la disposition des ordinateurs équipés d'une alvéole pour carte PCMCIA toute la puissance de cryptage et de stockage des cartes à puces. L'invention concerne également diverses possibilités de logements pour la carte, de même que le dispositif assurant le contact entre les plots de la carte à puce et ceux du module fonctionnel compatible PCMCIA.
PCT/IB1996/000926 1995-09-11 1996-08-30 Carte a puce destinee a la communication avec un ordinateur personnel par l'intermediaire d'une interface pcmcia WO1997010566A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52625995A 1995-09-11 1995-09-11
US08/526,259 1995-09-11

Publications (1)

Publication Number Publication Date
WO1997010566A1 true WO1997010566A1 (fr) 1997-03-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1996/000926 WO1997010566A1 (fr) 1995-09-11 1996-08-30 Carte a puce destinee a la communication avec un ordinateur personnel par l'intermediaire d'une interface pcmcia

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Country Link
WO (1) WO1997010566A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000001210A1 (fr) * 1998-06-29 2000-01-06 Stocko Metallwarenfabriken Henkels Und Sohn Gmbh & Co. Unite de mise en contact pour un element de support en forme de carte de modules electroniques, en particulier correspondant a la norme pcmcia
FR2804224A1 (fr) * 2000-01-20 2001-07-27 Ibm Appareil portable, dispositif d'interface de carte a puce (dicp) et methode de transmission de donnees
DE10056989A1 (de) * 2000-11-17 2002-05-23 Secware Technologies Ag Verschlüsselungssystem
US7257717B2 (en) * 2003-04-01 2007-08-14 Fineart Technology Co., Ltd Method with the functions of virtual space and data encryption and invisibility

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0494503A1 (fr) * 1990-12-13 1992-07-15 Nokia Mobile Phones (U.K.) Limited Lecteur de carte
EP0552078A1 (fr) * 1992-01-14 1993-07-21 Gemplus Card International Carte enfichable pour microordinateur formant lecteur de carte à contacts affleurants
EP0647918A1 (fr) * 1993-10-06 1995-04-12 Gemplus Card International Carte portable multi-applications pour ordinateur personnel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0494503A1 (fr) * 1990-12-13 1992-07-15 Nokia Mobile Phones (U.K.) Limited Lecteur de carte
EP0552078A1 (fr) * 1992-01-14 1993-07-21 Gemplus Card International Carte enfichable pour microordinateur formant lecteur de carte à contacts affleurants
EP0647918A1 (fr) * 1993-10-06 1995-04-12 Gemplus Card International Carte portable multi-applications pour ordinateur personnel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000001210A1 (fr) * 1998-06-29 2000-01-06 Stocko Metallwarenfabriken Henkels Und Sohn Gmbh & Co. Unite de mise en contact pour un element de support en forme de carte de modules electroniques, en particulier correspondant a la norme pcmcia
FR2804224A1 (fr) * 2000-01-20 2001-07-27 Ibm Appareil portable, dispositif d'interface de carte a puce (dicp) et methode de transmission de donnees
DE10056989A1 (de) * 2000-11-17 2002-05-23 Secware Technologies Ag Verschlüsselungssystem
US7257717B2 (en) * 2003-04-01 2007-08-14 Fineart Technology Co., Ltd Method with the functions of virtual space and data encryption and invisibility

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