DE4205556A1 - Smart electronic card with external switch control - Google Patents

Smart electronic card with external switch control

Info

Publication number
DE4205556A1
DE4205556A1 DE19924205556 DE4205556A DE4205556A1 DE 4205556 A1 DE4205556 A1 DE 4205556A1 DE 19924205556 DE19924205556 DE 19924205556 DE 4205556 A DE4205556 A DE 4205556A DE 4205556 A1 DE4205556 A1 DE 4205556A1
Authority
DE
Germany
Prior art keywords
card
switch
chip
switches
electronics
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.)
Granted
Application number
DE19924205556
Other languages
German (de)
Other versions
DE4205556C2 (en
Inventor
Hans-Diedrich Kreft
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.)
Angewandte Digital Elektronik GmbH
Original Assignee
Angewandte Digital Elektronik GmbH
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 Angewandte Digital Elektronik GmbH filed Critical Angewandte Digital Elektronik GmbH
Priority to DE19924205556 priority Critical patent/DE4205556C2/en
Priority to EP93102776A priority patent/EP0557934B1/en
Priority to DE19934305571 priority patent/DE4305571A1/en
Priority claimed from DE19934305571 external-priority patent/DE4305571A1/en
Publication of DE4205556A1 publication Critical patent/DE4205556A1/en
Application granted granted Critical
Publication of DE4205556C2 publication Critical patent/DE4205556C2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/10—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means together with a coded signal, e.g. in the form of personal identification information, like personal identification number [PIN] or biometric data
    • G07F7/1008—Active credit-cards provided with means to personalise their use, e.g. with PIN-introduction/comparison system
    • 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
    • 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
    • G06K19/077—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
    • 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
    • G06K19/07766—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 comprising at least a second communication arrangement in addition to a first non-contact communication arrangement
    • G06K19/07769—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 comprising at least a second communication arrangement in addition to a first non-contact communication arrangement the further communication means being a galvanic interface, e.g. hybrid or mixed smart cards having a contact and a non-contact interface
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
    • G06Q20/341—Active cards, i.e. cards including their own processing means, e.g. including an IC or chip
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/34—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using cards, e.g. integrated circuit [IC] cards or magnetic cards
    • G06Q20/357—Cards having a plurality of specified features

Abstract

A plastic 'smart' card of the type used for credit, banking or access control purposes has a built in circuit with memory and processing capability. The embedded integrated circuitry also an associated power supply in the form of a battery cell that is actuated when a built in switch is turned on. The switch is included within the body of the card in such a way that it can be activated by pressure applied either directly or by bending of the card. Several switches may also be included and operation can be made to activate a signal generator as a warning. The operation may also be associated with an identification process.

Description

Problemstellung:Problem:

Im Einsatz befindliche Plastikkarten, welche elektronisch ab­ lesbar sind, arbeiten vorzugsweise nach zwei Verfahren. Am weitesten verbreitet sind Karten mit Magnetstreifen, welche keinen Chip zur Speicherung und Bearbeitung von Information enthalten. Zunehmend werden Karten eingesetzt, welche einen Chip enthalten, in dem Informationen sicher gespeichert und elektronisch verändert werden können. Diese Karten werden Chipkarten oder smart cards genannt.Plastic cards in use, which electronically are legible, preferably work according to two methods. At the cards with magnetic stripes are the most widespread no chip for storing and processing information contain. Cards are increasingly being used, which one Chip included in which information is securely stored and can be changed electronically. These cards will be Called smart cards.

Die Versorgung der auf der Karte erforderlichen Chips mit Strom und Spannung geschieht über Kontakte oder kontaktfrei nach einem Verfahren, wie es in der Patentschrift DE 34 47 560 C2 dargelegt ist. Unter Verwendung von Patent­ schrift DE 34 47 560 C2 arbeiten Chipkartensysteme kontakt­ frei, indem Energie- und Datenübertragung induktiv erfolgen. Es sind auch Chipkarten im Einsatz, welche eine interne Stromquelle zur Aufrechterhaltung ihrer Funktion nutzen. Insbesondere wird per interner Stromquelle die Übertragung von Daten zu entfernten Empfängern ermöglicht. Das wahlweise Einschalten einer Stromquelle auf der Chipkarte ist wün­ schenswert, um einerseits die Stromquelle zu schonen, ande­ rerseits um Daten und Kennungen der Chipkarte nur nach Wahl des Nutzers der Chipkarte auszugeben.The supply of the chips required on the card with Current and voltage happens via contacts or contactless by a method as described in the patent DE 34 47 560 C2 is set out. Using patent document DE 34 47 560 C2 work smart card systems contact free by inductive energy and data transmission. Chip cards are also used, which have an internal one Use the power source to maintain its function. In particular, the transmission is by internal power source of data to remote recipients. The optional Switching on a power source on the chip card is fine worthwhile, on the one hand to conserve the power source, on the other on the other hand, for data and IDs of the chip card only by choice to issue the chip card user.

Es ist Aufgabe der dargestellten Erfindung, eine Chipkarte zu beschreiben, welche durch eine geeignete elektronische Ausgestaltung das Ein- oder Ausschalten von elektronischen Funktionen auf der Karte gestattet. It is an object of the illustrated invention to a chip card describe which by a suitable electronic Design the switching on or off of electronic Functions allowed on the card.  

Beschreibung der patentgemäßen LösungDescription of the patented solution Zu Anspruch 1To claim 1

In Plastikkarten, wie sie am Markt im Einsatz sind, werden Chips eingebaut. Diese Chips erfüllen bei herkömmlichen Kar­ ten ihre Funktion unabhängig vom Nutzer. Wird eine solche Karte in ein übliches Bediengerät gesteckt, wird der Chip in der Karte aktiviert. Damit nimmt der Chip unabhängig vom Nut­ zer seine Funktion auf. Dies ist in den meisten Fällen ge­ wünscht. Unerwünscht ist die Funktion der Karte beispiels­ weise, wenn eine Stromquelle auf der Karte sich durch andau­ ernde Aktivität vorzeitig entlädt. Unerwünscht ist es auch, wenn die Karte von außen ohne Beteiligung des Kartenträgers identifiziert werden kann. Dieser Fall tritt bei andauernder elektromagnetischer Abstrahlung von Signalen auf, wobei als Energiequelle die auf der Karte befindliche Stromquelle in­ frage kommt. Es ist aber auch möglich, Karten in einem elek­ tromagnetischen Feld unbemerkt zu aktivieren und aufgrund der charakteristischen Eigenfrequenz zu identifizieren. Insbeson­ dere die Eigenresonanz der Kartenelektronik kontaktfreier Karten mit ihren Induktivitäten und Kapazitäten läßt sich ab­ fragen. Beim Durchschreiten eines Türrahmens einer Eingangs­ tür könnte eine Abfrage unbemerkt geschehen, indem im Türrahmen eine entsprechende Sende- und Empfangseinrichtung eingebaut ist.In plastic cards, as they are used in the market Chips built in. These chips meet with conventional cards function independently of the user. Will be one The chip is inserted into a standard control unit activated the card. So the chip takes regardless of the groove zer its function. In most cases this is ge wishes. The function of the card is undesirable, for example wise if a power source continues on the card discharging activity prematurely. It is also undesirable if the card comes from outside without the participation of the card holder can be identified. This case occurs with ongoing electromagnetic radiation of signals, where as Power source is the power source on the card in question comes. But it is also possible to use cards in an elek to activate the tromagnetic field unnoticed and because of the identify characteristic natural frequency. In particular the natural resonance of the card electronics is more contact-free Cards with their inductors and capacities can be removed ask. When walking through a door frame of an entrance a query could happen unnoticed by Door frame a corresponding transmitting and receiving device is installed.

Erfindungsgemäß ist in die Plastikkarte mindestens ein Schal­ ter eingebaut, der von außen bedienbar ist und es derart dem Nutzer der Karte gestattet, in die Funktion der Elektronik einzugreifen. Mit diesem Schalter kann die auf der Karte be­ findliche Stromquelle (Akku oder Batterie, aber auch Kondensator) ein- und ausgeschaltet werden. Derart bestimmt der Nutzer wahlfrei, wann die Karte ihre Signale abgibt. Nicht nur die definitive Sperrung ist derart von außen mög­ lich, auch die Aktivierung in Notsituationen ist möglich. According to the invention, at least one scarf is in the plastic card ter installed, which can be operated from the outside and so it the Card users allowed in the function of electronics intervene. This switch can be used on the card sensitive power source (battery or battery, but also Capacitor) can be switched on and off. So determined the user can choose when the card emits its signals. Not only the definitive blocking is possible from the outside Lich, activation in emergency situations is also possible.  

So kann es wünschenswert sein, die Karte dauernd Signale aus­ senden zu lassen, um eine Notsituation des Kartenträgers zu melden. Die Signale wären je nach Frequenz in einem großen Gebiet aufnehmbar, der Träger wäre mit seinem Ort aber auch mit seiner Kennung identifizierbar.For example, it may be desirable to continuously emit signals from the card to send to an emergency situation of the card holder Report. The signals would be large depending on the frequency Territory recordable, but the carrier would also be with its location identifiable with its identifier.

Unabhängig von einer Aktivierung der Stromquelle und damit der Chipkarte kann auch eine Funktionssperrung oder Aktivie­ rung von Teilen der Elektronik oder von Programmen in Abhängigkeit von der Schalterstellung für den Fall in Betracht kommen, da die Chipkarte in einen üblichen Schreib/Leseschlitz gesteckt wird. Per Schalter kann der Kartennutzer bestimmen, ob Funktionen gesperrt oder geöffnet bleiben.Regardless of an activation of the power source and thus the chip card can also be a function lock or activation parts of electronics or programs in Depending on the switch position for the case in Come into consideration as the chip card in a usual Read / write slot is inserted. The switch can Card users determine whether functions are blocked or opened stay.

Zu Anspruch 2To claim 2

Die Schalter können, eingebettet in das Kartenmaterial, als Kippschalter ausgeführt sein, indem zwei erkennbare Ausprägungen an der Oberfläche der Karte die Schaltstellung offenbaren. Vorzugsweise kann die Wölbung den Aktivzustand initieren und die Einbuchtung den inaktiven Zustand, da eine Einbuchtung bei entsprechender Ausführung seltener eine unbe­ absichtigte Aktivierung hervorrufen dürfte. Durch die erkenn­ bare Wölbung oder Einbuchtung ist die Stelle des Schalters für den Nutzer klar erkennbar. Die Stellung kann auch durch optische Anzeigen, Färbungen des Kartenmaterials oder weitere Merkmale erkennbar gemacht werden.The switches can be embedded in the map material as Toggle switches can be made by two recognizable Characteristics on the surface of the card the switch position reveal. The curvature can preferably indicate the active state initiate and the indentation the inactive state as a With an appropriate design, indentation is rarely an unused intentional activation. By recognizing bare curvature or indentation is the place of the switch clearly recognizable for the user. The position can also by visual displays, coloring of the map material or others Features are made recognizable.

Zu Anspruch 3Regarding claim 3

Aus Sicherheitsgründen kann es sinnvoll sein, den Schaltzustand erst durch ein wiederholtes Bedienen zu akti­ vieren. Die Sequenz der Be- und Entlastung des Schalters kann in der Form einer Codierung ähnlich wie beim Morsen ge­ geben werden. For security reasons, it may make sense to use the Switching state can only be activated by repeated operation four. The sequence of loading and unloading the switch can be in the form of a coding similar to the Morse ge will give.  

Zu Anspruch 4To claim 4

Um die unbemerkte Identifizierung von Karten per spezifi­ scher, elektromagnetischer Rückwirkung (Spektrum der Rückkoppelfrequenzen der Oberwellen) der elektronischen Komponenten einer Karte in einem Wechselfeld zu erschweren, kann der Schalter zur Veränderung der elektronischen Eigenfrequenzen der Elektronikkomponenten verwendet werden. Der Schalter kann beispielsweise bei nicht aktivierter Elektronik Kapazitäten parallel zu den elektronischen Komponenten (insbesondere Spulen) auf der Karte schalten und derart das Frequenzbild der Karte in einem Hochfrequenzfeld entscheidend verändern. Wenn die zugeschalteten Komponenten in ihren Eigenschaften stark zeitlich variieren, ist die ein­ deutige Identifizierung der Karte und damit des Trägers der Karte nicht mehr möglich.To ensure the unnoticed identification of cards per spec shear, electromagnetic reaction (spectrum of Feedback frequencies of the harmonics) of the electronic To complicate components of a card in an alternating field, can the switch to change the electronic Natural frequencies of the electronic components are used. The switch can, for example, when not activated Electronics capacities parallel to the electronic ones Switch components (especially coils) on the card and thus the frequency image of the card in a radio frequency field change decisively. If the connected components their properties vary greatly over time, that's one clear identification of the card and thus the bearer of the Card no longer possible.

Claims (4)

1. Die Erfindung beschreibt eine besondere Ausgestaltung von Chipkarten, welche elektronische Elemente zur kontaktfreien Übertragung von Daten aufweisen, welche dadurch gekennzeich­ net ist, daß in die Chipkarte zusätzlich ein oder mehrere be­ dienbare Schalter eingebaut sind, welche es gestatten, die Elektronik oder Teile der Elektronik per manueller Bedienung ein- oder auszuschalten.1. The invention describes a special embodiment of chip cards, which have electronic elements for the contactless transmission of data, which is characterized in that one or more operable switches are installed in the chip card, which allow the electronics or parts of the Switch electronics on or off manually. 2. Gemäß Anspruch 1 dadurch gekennzeichnet, daß der einzelne Schalter unterhalb des von außen sichtbaren Materials der Karte sitzt und die Schaltstellung durch Wölbung oder Ein­ buchtung bei Bedienung abtastbar oder auf andere Weise von außen erkennbar ist und den Zustand des Schalters offenbart.2. According to claim 1, characterized in that the individual Switches underneath the material visible from the outside Card sits and the switch position by arching or on Booking can be scanned or otherwise operated by is recognizable from the outside and reveals the state of the switch. 3. Gemäß Anspruch 1, 2, dadurch gekennzeichnet, daß der Schalter zu seiner Funktion eine Druckbe- und Entlastungssequenz er­ fordert.3. According to claim 1, 2, characterized in that the switch a pressure loading and unloading sequence for his function demands. 4. Gemäß Anspruch 1, 2, 3, dadurch gekennzeichnet, daß die Elektro­ nik mit ihrer elektromagnetischen Rückwirkung in einem elek­ tromagnetischen Wechselfeld in ihrer Charakteristik durch die Stellung des oder der Schalter bestimmt wird.4. According to claim 1, 2, 3, characterized in that the electrical nik with its electromagnetic reaction in one elec tromagnetic alternating field in its characteristic by the Position of the switch or switches is determined.
DE19924205556 1992-02-24 1992-02-24 Chip card with electronic elements for contactless exchange of data with an external device Expired - Fee Related DE4205556C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE19924205556 DE4205556C2 (en) 1992-02-24 1992-02-24 Chip card with electronic elements for contactless exchange of data with an external device
EP93102776A EP0557934B1 (en) 1992-02-24 1993-02-23 Chip card with external safety switch
DE19934305571 DE4305571A1 (en) 1992-02-24 1993-02-24 Card device with provable remote transmission

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19924205556 DE4205556C2 (en) 1992-02-24 1992-02-24 Chip card with electronic elements for contactless exchange of data with an external device
DE19934305571 DE4305571A1 (en) 1992-02-24 1993-02-24 Card device with provable remote transmission

Publications (2)

Publication Number Publication Date
DE4205556A1 true DE4205556A1 (en) 1993-08-26
DE4205556C2 DE4205556C2 (en) 1998-02-26

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4340736C1 (en) * 1993-11-30 1995-04-20 Siemens Ag Electrical switch, and chip card having such a switch
DE19539980A1 (en) * 1995-10-17 1997-04-24 Raetz Walter Monitoring equipment for damage on conveyor belts
DE19609186A1 (en) * 1996-03-09 1997-09-11 Wolfgang Salge IC or chip card design
EP0849703A2 (en) * 1996-12-20 1998-06-24 Claudia Weber Mobile information carrier readable by machine
DE19742126A1 (en) * 1997-09-24 1999-03-25 Siemens Ag Portable data medium with activation switch
DE19817566A1 (en) * 1998-04-20 1999-10-21 Siemens Ag Remote accessing of a data carrier
US6037879A (en) * 1997-10-02 2000-03-14 Micron Technology, Inc. Wireless identification device, RFID device, and method of manufacturing wireless identification device
WO2000023941A1 (en) * 1998-10-21 2000-04-27 Micron Communications, Inc. Wireless identification device, rfid device, and method of manufacturing a wireless identification device
EP1094418A2 (en) * 1999-10-20 2001-04-25 Philips Corporate Intellectual Property GmbH 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
DE10028813A1 (en) * 2000-06-10 2001-12-20 Miditec Datensysteme Gmbh Active chip card used in wireless data transmission, has battery for supplying power to memory, transmitter, contact unit and control unit while transmitter sends data in mobile radio frequency range
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
WO2004090805A1 (en) * 2003-04-14 2004-10-21 G. Holdings Ltd. Portable electronic device capable of alternate data conveyance operations responsive to an invariable activation command
WO2006117151A1 (en) * 2005-04-29 2006-11-09 Giesecke & Devrient Gmbh Portable data carrier and method for the operation of a portable data carrier
US7811163B2 (en) 2005-07-27 2010-10-12 Ashley Ratcliffe Transmitter tag
US9022294B2 (en) 2003-04-14 2015-05-05 G. Holdings Ltd. Portable electronic device and method for alternate data conveyance operations responsive to an invariable activation command

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DE10318052A1 (en) * 2003-04-17 2004-11-04 Giesecke & Devrient Gmbh Portable data carrier and method for communicating with a portable data carrier

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DE4120265A1 (en) * 1990-06-22 1992-01-09 Mitsubishi Electric Corp Data card without contacts - contains battery and interruptable clock circuit supplying signal to CPU

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Publication number Priority date Publication date Assignee Title
DE3711601C2 (en) * 1986-04-08 1989-02-02 Casio Computer Co., Ltd., Tokio/Tokyo, Jp
DE4120265A1 (en) * 1990-06-22 1992-01-09 Mitsubishi Electric Corp Data card without contacts - contains battery and interruptable clock circuit supplying signal to CPU

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4340736C1 (en) * 1993-11-30 1995-04-20 Siemens Ag Electrical switch, and chip card having such a switch
FR2713409A1 (en) * 1993-11-30 1995-06-09 Siemens Ag Electrical switch and smart card comprising such a switch.
DE19539980A1 (en) * 1995-10-17 1997-04-24 Raetz Walter Monitoring equipment for damage on conveyor belts
DE19609186A1 (en) * 1996-03-09 1997-09-11 Wolfgang Salge IC or chip card design
EP0849703A2 (en) * 1996-12-20 1998-06-24 Claudia Weber Mobile information carrier readable by machine
DE19653409C2 (en) * 1996-12-20 2001-05-03 Claudia Weber Mobile, machine-readable information carrier
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