WO1999016019A1 - Portable data carrier with activation switch - Google Patents

Portable data carrier with activation switch Download PDF

Info

Publication number
WO1999016019A1
WO1999016019A1 PCT/DE1998/002628 DE9802628W WO9916019A1 WO 1999016019 A1 WO1999016019 A1 WO 1999016019A1 DE 9802628 W DE9802628 W DE 9802628W WO 9916019 A1 WO9916019 A1 WO 9916019A1
Authority
WO
WIPO (PCT)
Prior art keywords
data carrier
portable data
switching means
semiconductor chip
antenna
Prior art date
Application number
PCT/DE1998/002628
Other languages
German (de)
French (fr)
Inventor
Detlef Houdeau
Erik Heinemann
Frank PÜSCHNER
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO1999016019A1 publication Critical patent/WO1999016019A1/en

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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
    • G06K19/073—Special arrangements for circuits, e.g. for protecting identification code in memory
    • G06K19/07309—Means for preventing undesired reading or writing from or onto record carriers
    • G06K19/07345—Means for preventing undesired reading or writing from or onto record carriers by activating or deactivating at least a part of the circuit on the record carrier, e.g. ON/OFF switches
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/05—Card, e.g. credit card

Definitions

  • the invention relates to a portable data carrier, in particular a chip card, with an antenna and a semiconductor chip connected to it.
  • Chip cards have been used in access control systems for some time, for example. However, there have also been field attempts to use contactless data carriers in the form of wristwatches on ski lifts.
  • US 4,701,601 describes a chip card with contact fields for contact-based operation in chip card terminals and a transmitter coil for emulating a magnetic strip for operation in conventional magnetic strip terminals.
  • a transmission button is provided which limits the transmission of data via the emulation coil to a short period of time.
  • card-shaped, contactless data carriers that has been under discussion for some time is the use as a debitable means of payment in local public transport.
  • the value of these chip cards can be recharged, which means that a counter reading representing a monetary value can also be increased.
  • they have contact fields in addition to the antenna, through which they can be recharged by means of a read / write terminal through ohmic contacting.
  • the problem underlying the invention is therefore to provide a portable data carrier that does not have this disadvantage.
  • the problem is solved in the case of a generic data carrier in that a switching means which can be actuated by the user of the data carrier is arranged between the antenna and the semiconductor chip, so that data can only be received after the switching means has been actuated.
  • the switching means is designed so that it can be locked so that a permanent connection between the antenna, which can advantageously be designed as a coil, and the semiconductor chip, which contains at least one memory and logic circuits, can be set if the user this is desirable, although he is then again exposed to the risk that incorrect debits can occur.
  • the switching means which can be actuated by the user and which can be designed as a simple pressure switch can be inserted as a separate component in a recess in the card, for example in a corner of the card, or can be arranged on a carrier element carrying the semiconductor chip.
  • Figure 1 shows a schematic diagram of a data carrier according to the invention
  • Figure 2 is a schematic cross-sectional view of a data carrier according to the invention.
  • the data carrier indicated by a dashed line has an antenna coil 1 and a semiconductor chip 2.
  • the semiconductor chip 2 has, in a known manner, storage units such as an EEPROM and logic circuits such as a microprocessor.
  • the antenna coil 1 is connected to the semiconductor chip 2 via a switching means 3 for energy transmission to and for bidirectional data transmission from and to the semiconductor chip 2.
  • the switching means 3 can be actuated by the user from outside the data carrier. Energy and data transmission from the antenna coil 1 to the semiconductor chip 2 can therefore only take place if the user has previously actuated the switching means 3.
  • Figure 2 shows a cross section through a data carrier according to the invention in the form of a plastic card 6.
  • the antenna coil 1 is guided in a few turns along the outer dimension of the plastic card.
  • the semiconductor chip 2 is arranged on a carrier element 7 and connected to the plastic card 6 in a known manner by means of this, for example by gluing.
  • Two ends 4a, 4b of the antenna coil 1 are connected to the carrier element 7 and via this to the semiconductor chip 2.
  • Figure 2 also shows the switching means 3, the surface of which is flush with the surface of the card 6, and which is connected between two interruptions 5a, 5b of the antenna coil 1.
  • the switching means 3 is designed as a separate component and is arranged in a recess in the plastic card 6. However, it would also be conceivable to design the switching means 3 as part of the carrier element 7.

Abstract

The invention relates to a portable data carrier, especially a chip card, comprising an antenna (1) and a semiconductor chip (2) connected thereto. A switching device (3) which can be actuated by the user is arranged between the antenna (1) and the semiconductor chip (2) so that data can be received only after actuation of the switching device (3).

Description

Beschreibungdescription
Tragbarer Datenträger mit AktivierungsschalterPortable data carrier with activation switch
Die Erfindung betrifft einen tragbaren Datenträger, insbesondere eine Chipkarte, mit einer Antenne und einem damit verbundenen Halbleiterchip.The invention relates to a portable data carrier, in particular a chip card, with an antenna and a semiconductor chip connected to it.
Solche sogenannten kontaktlosen Datenträger, insbesondereSuch so-called contactless data carriers, in particular
Chipkarten, werden schon seit einiger Zeit beispielsweise in Zutrittskontrollsystemen eingesetzt. Es gab jedoch auch schon Feldversuche, kontaktlose Datenträger in Form von Armbanduhren bei Skiliften zu verwenden.Chip cards have been used in access control systems for some time, for example. However, there have also been field attempts to use contactless data carriers in the form of wristwatches on ski lifts.
Die US 4,701,601 beschreibt eine Chipkarte mit Kontaktfeldern für den kontaktbehafteten Betrieb in Chipkartenterminals und einer Sendespule zur Emulation eines Magnetstreifens für den Betrieb in herkömmlichen Magnetstreifenterminals. Um die ein- gebaute Batterie nicht zu sehr zu belasten ist ein Sendeknopf vorgesehen, der das Senden von Daten über die Emulationsspule auf einen kleinen Zeitraum begrenzt .US 4,701,601 describes a chip card with contact fields for contact-based operation in chip card terminals and a transmitter coil for emulating a magnetic strip for operation in conventional magnetic strip terminals. In order not to stress the built-in battery too much, a transmission button is provided which limits the transmission of data via the emulation coil to a short period of time.
Eine sich seit einiger Zeit im Gespräch befindende Einsatz- moglichkeit von kartenformigen, kontaktlosen Datenträgern ist die Verwendung als abbuchbares Zahlungsmittel im öffentlichen Nahverkehr. Diese Chipkarten sind hinsichtlich ihres Wertes wiederaufladbar, was bedeutet, daß ein einen Geldwert repräsentierender Zählerstand auch erhöht werden kann. Sie weisen zu diesem Zweck zusätzlich zur Antenne Kontaktfelder auf, über die sie mittels eines Lese/Schreibterminals durch oh - sche Kontaktierung wieder aufgeladen werden können.One possibility of using card-shaped, contactless data carriers that has been under discussion for some time is the use as a debitable means of payment in local public transport. The value of these chip cards can be recharged, which means that a counter reading representing a monetary value can also be increased. For this purpose, they have contact fields in addition to the antenna, through which they can be recharged by means of a read / write terminal through ohmic contacting.
Allen heute gebräuchlichen kontaktlosen und auch sowohl Kon- taktelemente als auch eine Antenne aufweisenden Chipkarten oder allgemein Datenträgern ist gemeinsam, daß sie über die kontaktlose Schnittstelle mit Energie versorgt werden können und daß darüber auch die bidirektionale Datenübertragung stattfindet .It is common to all contactless chip cards in use today, as well as both contact elements and an antenna, or generally data carriers, that they can be supplied with energy via the contactless interface and that the bidirectional data transmission also takes place.
Bei Datenträgern, deren Wert bei Benutzung verringert wird, also beispielsweise bei Verwendung als Zahlungsmittel im Nahverkehr, besteht die Gefahr, daß ein zufälliger Aufenthalt des Benutzers in der Nähe eines Abbuchungsautomaten zu einer Wertverringerung führt, ohne daß die entsprechende Dienstleistung in Anspruch genommen wird. Auch könnte es zu Mehr- fachabbuchungen führen, wenn der Aufenthalt auch bei gewünschter Inanspruchnahme der Dienstleistung zu lange ist .In the case of data carriers whose value is reduced when in use, for example when used as a means of payment in local transport, there is a risk that an accidental stay of the user in the vicinity of an automatic debiting machine leads to a reduction in value without the corresponding service being used. It could also lead to multiple debits if the stay is too long even when the service is requested.
Das der Erfindung zugrunde liegende Problem ist es somit, einen tragbaren Datenträger anzugeben, der diesen Nachteil nicht aufweist.The problem underlying the invention is therefore to provide a portable data carrier that does not have this disadvantage.
Das Problem wird bei einem gattungsgemäßen Datenträger dadurch gelöst, daß zwischen der Antenne und dem Halbleiterchip ein durch den Benutzer des Datenträgers betätigbares Schalt- mittel angeordnet ist, so daß ein Empfang von Daten nur nach einer Betätigung des Schaltmittels möglich ist.The problem is solved in the case of a generic data carrier in that a switching means which can be actuated by the user of the data carrier is arranged between the antenna and the semiconductor chip, so that data can only be received after the switching means has been actuated.
Durch diese erfindungsgemäße Maßnahme hat es der Benutzer selbst in der Hand, den Datenträger zu aktivieren, so daß ein Datenempfang nur erfolgen kann, wenn dies der Benutzer wünscht .By means of this measure according to the invention, it is in the hand of the user to activate the data carrier, so that data can only be received if the user so wishes.
In Weiterbildung der Erfindung ist das Schaltmittel verrast- bar ausgebildet, so daß eine ständige Verbindung zwischen der Antenne, die in vorteilhafter Weise als Spule ausgebildet sein kann, und dem Halbleiterchip, der zumindest einen Speicher und Logikschaltungen enthält, eingestellt werden kann, falls der Benutzer dies wünscht, wobei er dann allerdings wieder dem Risiko ausgesetzt ist, daß Fehlabbuchungen vorkom- men können. Das durch den Benutzer betätigbare Schaltmittel, das als einfacher Druckschalter ausgeführt sein kann, kann als separates Bauteil in eine Aussparung der Karte, beispielsweise in einer Ecke der Karte eingesetzt sein oder auf einem den Halbleiter- chip tragenden Trägerelement angeordnet sein.In a further development of the invention, the switching means is designed so that it can be locked so that a permanent connection between the antenna, which can advantageously be designed as a coil, and the semiconductor chip, which contains at least one memory and logic circuits, can be set if the user this is desirable, although he is then again exposed to the risk that incorrect debits can occur. The switching means which can be actuated by the user and which can be designed as a simple pressure switch can be inserted as a separate component in a recess in the card, for example in a corner of the card, or can be arranged on a carrier element carrying the semiconductor chip.
Die Erfindung wird nachfolgend anhand eines Ausführungsbei- spiels mit Hilfe von Figuren näher erläutert. Dabei zeigen:The invention is explained in more detail below on the basis of an exemplary embodiment with the aid of figures. Show:
Figur 1 eine Prinzipdarstellung eines erfindungsgemäßen Datenträgers undFigure 1 shows a schematic diagram of a data carrier according to the invention and
Figur 2 eine schematische Querschnittsdarstellung eines erfindungsgemäßen Datenträgers.Figure 2 is a schematic cross-sectional view of a data carrier according to the invention.
Gemäß Figur 1 weist der mit einer strichlierten Linie angedeutete Datenträger eine Antennenspule l sowie einen Halbleiterchip 2 auf . Der Halbleiterchip 2 weist in bekannter Weise Speichereinheiten wie beispielsweise ein EEPROM sowie Logik- Schaltungen wie einen Mikroprozessor auf. Die Antennenspule 1 ist zur Energieübertragung zum und zur bidirektionalen Datenübertragung von und zum Halbleiterchip 2 mit diesem über ein Schaltmittel 3 verbunden. Das Schaltmittel 3 ist, wie durch einen Pfeil angedeutet ist, von außerhalb des Datenträgers durch den Benutzer betätigbar. Eine Energie- und Datenübertragung von der Antennenspule 1 zum Halbleiterchip 2 kann also nur stattfinden, wenn der Benutzer zuvor das Schaltmittel 3 betätigt hat .According to FIG. 1, the data carrier indicated by a dashed line has an antenna coil 1 and a semiconductor chip 2. The semiconductor chip 2 has, in a known manner, storage units such as an EEPROM and logic circuits such as a microprocessor. The antenna coil 1 is connected to the semiconductor chip 2 via a switching means 3 for energy transmission to and for bidirectional data transmission from and to the semiconductor chip 2. As indicated by an arrow, the switching means 3 can be actuated by the user from outside the data carrier. Energy and data transmission from the antenna coil 1 to the semiconductor chip 2 can therefore only take place if the user has previously actuated the switching means 3.
Figur 2 zeigt einen Querschnitt durch einen erfindungsgemäßen Datenträger in Form einer Plastikkarte 6. Die Antennenspule 1 ist in einigen Windungen entlang der äußeren Abmessung der Plastikkarte geführt. Der Halbleiterchip 2 ist auf einem Trägerelement 7 angeordnet und mittels diesem in bekannter Weise mit der Plastikkarte 6 beispielsweise durch Kleben verbunden. Zwei Enden 4a, 4b der Antennenspule 1 sind mit dem Trägerelement 7 und über dieses mit dem Halbleiterchip 2 verbunden. Figur 2 zeigt außerdem das Schaltmittel 3, dessen Oberfläche mit der Oberfläche der Karte 6 fluchtet, und das zwischen zwei Unterbrechungen 5a, 5b der Antennenspule 1 geschaltet ist.Figure 2 shows a cross section through a data carrier according to the invention in the form of a plastic card 6. The antenna coil 1 is guided in a few turns along the outer dimension of the plastic card. The semiconductor chip 2 is arranged on a carrier element 7 and connected to the plastic card 6 in a known manner by means of this, for example by gluing. Two ends 4a, 4b of the antenna coil 1 are connected to the carrier element 7 and via this to the semiconductor chip 2. Figure 2 also shows the switching means 3, the surface of which is flush with the surface of the card 6, and which is connected between two interruptions 5a, 5b of the antenna coil 1.
In der Darstellung gemäß Figur 2 ist das Schaltmittel 3 als separates Bauelement ausgeführt und in einer Ausnehmung der Plastikkarte 6 angeordnet. Es wäre jedoch ebenso denkbar, das Schaltmittel 3 als Bestandteil des Trägerelements 7 zu ge- stalten. 2, the switching means 3 is designed as a separate component and is arranged in a recess in the plastic card 6. However, it would also be conceivable to design the switching means 3 as part of the carrier element 7.

Claims

Patentansprüche claims
1. Tragbarer Datenträger, insbesondere Chipkarte, mit einer Antenne (1) und einem damit verbundenen Halbleiterchip (2) , dadurch gekennzeichnet, daß zwischen der Antenne (1) und dem Halbleiterchip (2) ein durch den Benutzer des Datenträgers betätigbares Schaltmittel (3) angeordnet ist, so daß ein Empfang von Daten nur nach einer Betätigung des Schaltmittels (3) möglich ist.1. Portable data carrier, in particular chip card, with an antenna (1) and a semiconductor chip (2) connected thereto, characterized in that between the antenna (1) and the semiconductor chip (2) a switching means (3) which can be actuated by the user of the data carrier is arranged so that data can only be received after the switching means (3) has been actuated.
2. Tragbarer Datenträger nach Anspruch 1, dadurch gekennzeichnet, daß das Schaltmittel (3) verrastbar ausgebildet ist .2. Portable data carrier according to claim 1, characterized in that the switching means (3) is designed to be latchable.
3. Tragbarer Datenträger nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Antenne (l) als Spule ausgebildet ist.3. Portable data carrier according to claim 1 or 2, characterized in that the antenna (l) is designed as a coil.
4. Tragbarer Datenträger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Schaltmittel (3) als separates Bauteil in einer Ausnehmung des Datenträgers angeordnet ist .4. Portable data carrier according to one of the preceding claims, characterized in that the switching means (3) is arranged as a separate component in a recess of the data carrier.
5. Tragbarer Datenträger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Oberfläche des Schaltmittels (3) mit der Oberfläche des Datenträgers fluchtet. 5. Portable data carrier according to one of the preceding claims, characterized in that the surface of the switching means (3) is flush with the surface of the data carrier.
PCT/DE1998/002628 1997-09-24 1998-09-07 Portable data carrier with activation switch WO1999016019A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742126.1 1997-09-24
DE1997142126 DE19742126A1 (en) 1997-09-24 1997-09-24 Portable data medium with activation switch

Publications (1)

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WO1999016019A1 true WO1999016019A1 (en) 1999-04-01

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DE19935528A1 (en) * 1999-07-28 2001-02-08 Giesecke & Devrient Gmbh Key switch for chip cards
US6424029B1 (en) * 1999-10-20 2002-07-23 Koninklijke Philips Electronics N.V. Chip card
DE10024052A1 (en) * 2000-05-16 2001-11-22 Orga Kartensysteme Gmbh Chip card has chip card body, chip module, laminatable bearer(s) with electrical stage of electronic switching element and connection applied to foil using conducting paste
DE10024052C2 (en) * 2000-05-16 2002-02-28 Orga Kartensysteme Gmbh smart card
DE10140662C1 (en) * 2001-08-24 2003-03-20 Orga Kartensysteme Gmbh Chip card with integral switch used to enable a transaction, has contacts in cavity bridged by conductive section when card is pressed appropriately
US8062705B2 (en) 2002-12-05 2011-11-22 Singulus Technologies Ag Method and apparatus for control of layer thicknesses
WO2004050261A1 (en) * 2002-12-05 2004-06-17 Unaxis Balzers Ag Method and apparatus for control of layer thicknesses
WO2007012738A1 (en) 2005-07-25 2007-02-01 Oberthur Card Systems Sa Electronic entity with contact and remote communication means
EP2490159A1 (en) 2005-07-25 2012-08-22 Oberthur Card Systems Sa Electronic entity with a means for communication by contact and remotely
US9111188B2 (en) 2005-07-25 2015-08-18 Oberthur Technologies Electronic entity with contact and remote communication means
US9600697B2 (en) 2005-07-25 2017-03-21 Oberthur Technologies Electronic entity with contact and remote communication means
US8502684B2 (en) 2006-12-22 2013-08-06 Geoffrey J. Bunza Sensors and systems for detecting environmental conditions or changes
DE102012216472B4 (en) 2012-09-14 2019-09-05 Rainer Popp Device for sending and receiving data
CN103810520A (en) * 2012-11-05 2014-05-21 英飞凌科技股份有限公司 Chip card, method of using the chip card and method of manufacturing a chip card
DE102012110532B4 (en) 2012-11-05 2019-04-04 Infineon Technologies Ag Chip card for contactless performing an authorization and / or payment process, method for operating a smart card and method for producing a smart card

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