DE19628802A1 - Transponder - Google Patents

Transponder

Info

Publication number
DE19628802A1
DE19628802A1 DE1996128802 DE19628802A DE19628802A1 DE 19628802 A1 DE19628802 A1 DE 19628802A1 DE 1996128802 DE1996128802 DE 1996128802 DE 19628802 A DE19628802 A DE 19628802A DE 19628802 A1 DE19628802 A1 DE 19628802A1
Authority
DE
Germany
Prior art keywords
integrated circuit
antenna
conductor structure
transponder
transmitting
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Withdrawn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
DE1996128802
Other languages
German (de)
Inventor
Michael Dipl Phys Lausch
Michael Dr Ing Bockmair
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.)
TELESENSOMATIC GmbH
Original Assignee
TELESENSOMATIC 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 TELESENSOMATIC GmbH filed Critical TELESENSOMATIC GmbH
Priority to DE1996128802 priority Critical patent/DE19628802A1/en
Priority to PCT/EP1997/003724 priority patent/WO1998003938A1/en
Priority to AU35434/97A priority patent/AU3543497A/en
Publication of DE19628802A1 publication Critical patent/DE19628802A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • 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
    • G06K19/0775—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 arrangements for connecting the integrated circuit to the antenna
    • 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
    • G06K19/07773—Antenna details
    • G06K19/07777—Antenna details the antenna being of the inductive type
    • G06K19/07779—Antenna details the antenna being of the inductive type the inductive antenna being a coil
    • 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
    • G06K19/07773—Antenna details
    • G06K19/07777—Antenna details the antenna being of the inductive type
    • G06K19/07779—Antenna details the antenna being of the inductive type the inductive antenna being a coil
    • G06K19/07783—Antenna details the antenna being of the inductive type the inductive antenna being a coil the coil being planar
    • 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
    • G06K19/07773—Antenna details
    • G06K19/07777—Antenna details the antenna being of the inductive type
    • G06K19/07784—Antenna details the antenna being of the inductive type the inductive antenna consisting of a plurality of coils stacked on top of one another
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

The invention concerns a transponder with a transmitting antenna (4) and a receiving antenna (2) and with a transceiver module (3) which is connected to both antennae and takes the form of an integrated circuit. The transmission and receiving frequencies are different and the antennae and integrated circuit are disposed on a common carrier (1). According to the invention, in order to produce a transponder of this type as economically as possible, the receiving antenna and/or the transmitting antenna is/are mounted as coiled planar conductor structures on a foil, and the integrated circuit or at least part (30) thereof is mounted directly on the planar conductor structure(s).

Description

Die Erfindung betrifft einen Transponder gemäß Oberbegriff des Patentanspruchs 1.The invention relates to a transponder according to the preamble of claim 1.

Transponder bestehen üblicherweise aus einem Sende/Emp­ fangsmodul sowie daran angeschlossenen Sende- und Emp­ fangsantennen. In vielen Anwendungen werden die Transpon­ der als sogenannte Funketiketten, (z. B. für Diebstahl­ sicherungssysteme in Kaufhäusern oder für Gepäckerfas­ sungs- und Verteilungssysteme auf Flughäfen und Bahnhöfen) eingesetzt, indem sie an die zu überwachenden bzw. zu er­ fassenden Gegenstände (Verkaufsgüter, Gepäckstücke usw.) angebracht werden und mit einer bestimmten Codierung ver­ sehen werden, die - bei Diebstahlsicherungssystemen im Fal­ le eines Diebstahls bzw. bei Gepäckverteilungssystemen an bestimmten Stationen des Verteilersystems - mit Sende/Emp­ fangsgeräten in eine Wirkverbindung treten und per Funk Daten austauschen (u. a. die in dem Transponder gespeicher­ te Codierung) sowie weitere Aktionen (Auslösen eines Alarmsignals, Weiterleitung des Gepäckstücks usw.) auslö­ sen.Transponders usually consist of a send / receive catch module and connected transmit and emp loop antennas. In many applications, the transpon the so-called radio tags (e.g. for theft security systems in department stores or for luggage racks and distribution systems at airports and train stations) used by contacting the person to be monitored or he objects (sales goods, luggage, etc.) be attached and ver with a certain coding will see that - in the case of anti-theft systems in the case  theft or luggage distribution systems certain stations of the distribution system - with send / emp gear devices into an active connection and by radio Exchange data (including the data stored in the transponder te coding) as well as further actions (triggering a Alarm signal, forwarding of the luggage, etc.) sen.

Funketiketten werden häufig - ähnlich einem herkömmlichen Gepäckanhänger - in Form eines Papier- oder Plastikfolien- Trägers realisiert, auf den die funktechnischen Komponen­ ten Sendeantenne, Empfangsantenne, Sende/Empfangsmodul aufgebracht sind.Radio tags are often used - similar to a conventional one Luggage tags - in the form of a paper or plastic film - Carrier realized on which the radio technical components transmitting antenna, receiving antenna, transmitting / receiving module are upset.

Vorgeschlagen wurden bereits Funketiketten, die mit Draht­ spulen als Sende- und Empfangsantenne ausgerüstet sind, die mit einem Sende/Empfangsmodul in Form einer integrier­ ten Schaltung verbunden sind. Bei dieser Lösung sind beiden Drahtspulenantennen und die integrierte Schaltung auf einem gemeinsamen Träger angeordnet. Sende- und Emp­ fangsfrequenz sind voneinander verschieden.Radio tags with wire have already been proposed coils are equipped as transmitting and receiving antennas, which with a transmit / receive module in the form of an integr th circuit are connected. Are with this solution two wire coil antennas and the integrated circuit arranged on a common support. Send and Emp trapping frequency are different from each other.

Vorgeschlagen wurde ferner ein Funketikett mit einer An­ tenne und einem als integrierte Schaltung realisierten Sende/Empfangsmodul, bei dem die Antenne als spulenförmig ausgebildete planare Leiterstruktur auf beiden Seiten einer Folie angeordnet ist.A radio tag with an An was also proposed tenne and one realized as an integrated circuit Transmit / receive module in which the antenna is in the form of a coil trained planar conductor structure on both sides a film is arranged.

Diese Art der Funketiketten ist wegen des doppelseitig zu bearbeitenden Folienkörpers teuer in der Herstellung und erfordert eine oder mehrere Durchkontaktierungen durch den Folienkörper hindurch, um die beiden Antennenteile bzw. das Sende/Empfangsmodul auch mit dem auf der anderen Fo­ lienseite angeordneten Antennenteil verbinden zu können.This type of radio tags is due to the double sided too processing film body expensive to manufacture and requires one or more vias through the Foil body through to the two antenna parts or  the transmit / receive module also with that on the other Fo to be able to connect the antenna part arranged on the line side.

Als problematisch hat sich bei den beiden vorgeschlagenen Lösungen die Ableitung der Verlustwärme der integrierten Schaltung erwiesen, die über die dünnen elektrischen An­ schlußverbindungen bzw. die in der Regel aus Kunststoff bestehenden Folien- bzw. Trägerkörper nur sehr langsam ab­ geführt werden kann.Has been problematic with the two proposed Solutions the dissipation of the heat loss of the integrated Circuit proven that over the thin electrical An final connections or usually made of plastic existing film or carrier body only very slowly can be performed.

Die Aufgabe der Erfindung besteht daher darin, einen Transponder in Form eines Funketiketts zu schaffen, der einfach und billig in der Herstellung ist und der dennoch ein höchstmögliches Maß an Sicherheit vor mechanischer bzw. thermischer Zerstörung bietet.The object of the invention is therefore one To create transponders in the form of a radio tag that is simple and cheap to manufacture and yet the highest possible level of security against mechanical or thermal destruction.

Die erfindungsgemäße Lösung ist durch die kennzeichnenden Merkmale des Patentanspruchs 1 wiedergegeben. Die übrigen Ansprüche enthalten vorteilhafte Aus- und Weiterbildungen der Erfindung.The solution according to the invention is characterized by Features of claim 1 reproduced. The remaining Claims contain advantageous training and further education the invention.

Ein wesentlicher Vorteil der Erfindung besteht darin, daß die in der integrierten Schaltung entstehende Verlustwärme infolge des guten thermischen Kontakts zwischen integrier­ ter Schaltung und planarer Leiterstruktur über die metal­ lische Leiterstruktur sehr schnell aus der integrierten Schaltung abgeführt werden kann, so daß zusätzliche Kühl­ maßnahmen in der Regel entfallen können.A major advantage of the invention is that the heat loss generated in the integrated circuit due to the good thermal contact between integrier ter circuit and planar conductor structure over the metal conductor structure very quickly from the integrated Circuit can be removed, so that additional cooling measures can usually be omitted.

Ein weiterer wesentlicher Vorteil der Erfindung besteht darin, daß planare Leiterstruktur und integrierte Schal­ tung auf der gleichen Seite der Folie angeordnet sind und dadurch Durchkontaktierungen durch den Folienträger entfallen. Damit einher gehen entsprechend geringere Herstellungskosten.Another important advantage of the invention is in that planar conductor structure and integrated scarf device are arranged on the same side of the film and  through-contacts through the film carrier omitted. This goes hand in hand with correspondingly lower Manufacturing costs.

Im folgenden wird die Erfindung anhand eines bevorzugten und in der einzigen Figur dargestellten Ausführungsbei­ spiels näher erläutert.In the following, the invention is based on a preferred and the embodiment shown in the single figure explained in more detail.

In der Figur ist ein flexibles Funketikett in der Drauf­ sicht gezeigt, bei der die als planare Leiterstruktur aus­ gebildete Sendeantenne 4 und das als integrierte Schaltung ausgebildete Sende/Empfangsmodul 3 auf einer Seite einer gemeinsamen Folie 5 integriert sind und das Sende/Emp­ fangsmodul 3 darüber hinaus mit einer als Drahtspule aus­ gebildeten separaten Empfangsantenne 2 verbunden ist. Alle Baugruppen 2-5 sind auf der gleichen Seite eines gemein­ samen, aus flexiblem, biegsamem Material bestehenden Trä­ gers 1 angeordnet. Durchkontaktierungen durch die Folie 5 entfallen bei dieser Lösung, da der mit der als planare Leiterstruktur ausgebildeten Sendeantenne 4 zu verbindende Schaltungsteil 30 der integrierten Schaltung 3 direkt auf der planaren Leiterstruktur angeordnet und mit dieser elektrisch und thermisch direkt verbunden ist. Durch den direkten thermischen Kontakt wird die in der integrierten Schaltung anfallende Verlustwärme sehr effektiv über die planare Leiterstruktur 4 aus der integrierten Schaltung 3, 30 abgeführt. Die Sendefrequenz liegt bei diesem Ausführungsbeispiel des Transponders typisch im Bereich 2- 4 MHZ und ist damit verschieden zur Empfangsfrequenz, die z. B. im Bereich 100-200 KHZ liegen kann. In the figure, a flexible radio tag in plan is view shown in which the formed as an integrated circuit transmitter / receiver module 3 are integrated on one side of a common foil 5 as a planar conductor structure formed transmitting antenna 4 and and the transmission / Emp grabber module 3 also is also connected to a separate receiving antenna 2 formed as a wire coil. All modules 2-5 are arranged on the same side of a common, existing from flexible, flexible material Trä gers 1 . Through-plating through the film 5 is dispensed with in this solution since the circuit part 30 of the integrated circuit 3 to be connected to the transmission antenna 4, which is designed as a planar conductor structure, is arranged directly on the planar conductor structure and is electrically and thermally directly connected to it. Due to the direct thermal contact, the heat loss occurring in the integrated circuit is dissipated very effectively via the planar conductor structure 4 from the integrated circuit 3 , 30 . The transmission frequency in this exemplary embodiment of the transponder is typically in the range 2 to 4 MHz and is therefore different from the reception frequency which, for. B. may be in the range of 100-200 kHz.

Es versteht sich, daß diese Erfindung nicht auf dieses Ausführungsbeispiel beschränkt ist, sondern sinngemäß auch auf andere übertragbar ist. So ist es z. B. denkbar, das Sende/Empfangsmodul und die Sendeantenne auf der von der Empfangsantenne umschlossenen Fläche des Trägers (1 in der Figur) anzuordnen, um so die benötigte Trägerfläche ent­ sprechend verkleinern zu können.It goes without saying that this invention is not limited to this exemplary embodiment, but can also be applied analogously to others. So it is z. B. conceivable to arrange the transmitting / receiving module and the transmitting antenna on the surface of the carrier enclosed by the receiving antenna ( 1 in the figure) so that the required carrier surface can be reduced accordingly.

Claims (4)

1. Transponder, mit einer Sende- und einer Empfangsan­ tenne sowie einem an die beiden Antennen angeschlossenen Sende/Empfangsmodul in Form einer integrierten Schaltung, wobei zum einen Sende- und Empfangsfrequenz verschieden voneinander sind und zum anderen die Antenne und die inte­ grierte Schaltung auf einem gemeinsamen Träger angeordnet sind, dadurch gekennzeichnet, daß die Empfangsantenne (2) und/oder die Sendeantenne (4) (jeweils) als spulenförmig ausgebildete planare Leiterstruktur (4) auf eine Folie aufgebracht ist (sind) und daß die integrierte Schaltung (3) oder zumindest ein Teil (30) dieser integrierten Schaltung (3) direkt auf die planare(n) Leiterstruktur(en) (4) aufgebracht ist. 1. Transponder, with a transmitting and a receiving antenna and a transmitting / receiving module connected to the two antennas in the form of an integrated circuit, the transmitting and receiving frequencies being different from one another and the antenna and the integrated circuit on one Common carrier are arranged, characterized in that the receiving antenna ( 2 ) and / or the transmitting antenna ( 4 ) (each) is (are) applied as a coil-shaped planar conductor structure ( 4 ) and that the integrated circuit ( 3 ) or at least a part ( 30 ) of this integrated circuit ( 3 ) is applied directly to the planar (n) conductor structure (s) ( 4 ). 2. Transponder nach Anspruch 1, bei dem eine (4) der bei­ den Antennen (2, 4) als planare Leiterstruktur auf der Fo­ lie (5) ausgebildet ist, dadurch gekennzeichnet, daß die jeweils andere (2) der beiden Antennen (2, 4) in Form einer Spule mit Drahtwicklungen ausgebildet ist.2. Transponder according to claim 1, in which one ( 4 ) of the antennas ( 2 , 4 ) is designed as a planar conductor structure on the foil ( 5 ), characterized in that the other ( 2 ) of the two antennas ( 2 , 4 ) is in the form of a coil with wire windings. 3. Transponder nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß die beiden als planare Leiterstruktur (4) auf einer Folie (5) oder als Drahtspule (2) ausgebil­ deten Antennen (2, 4) sowie die integrierte Schaltung (3, 30) auf der gleichen Seite des Trägers (1) angeordnet sind.3. Transponder according to one of claims 1 or 2, characterized in that the two as planar conductor structure ( 4 ) on a film ( 5 ) or as a wire coil ( 2 ) ausgebil Deten antennas ( 2 , 4 ) and the integrated circuit ( 3 , 30 ) are arranged on the same side of the carrier ( 1 ). 4. Transponder nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Träger (1) aus flexiblem, biegsamem Material besteht.4. Transponder according to one of the preceding claims, characterized in that the carrier ( 1 ) consists of flexible, flexible material.
DE1996128802 1996-07-17 1996-07-17 Transponder Withdrawn DE19628802A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE1996128802 DE19628802A1 (en) 1996-07-17 1996-07-17 Transponder
PCT/EP1997/003724 WO1998003938A1 (en) 1996-07-17 1997-07-12 Transponder
AU35434/97A AU3543497A (en) 1996-07-17 1997-07-12 Transponder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1996128802 DE19628802A1 (en) 1996-07-17 1996-07-17 Transponder

Publications (1)

Publication Number Publication Date
DE19628802A1 true DE19628802A1 (en) 1998-01-22

Family

ID=7800065

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1996128802 Withdrawn DE19628802A1 (en) 1996-07-17 1996-07-17 Transponder

Country Status (3)

Country Link
AU (1) AU3543497A (en)
DE (1) DE19628802A1 (en)
WO (1) WO1998003938A1 (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10006816A1 (en) * 2000-02-15 2001-08-30 Sokymat Id Component Gmbh Transponder device for the identification of objects in relation to facilities
EP1195714A1 (en) * 2000-10-04 2002-04-10 Sokymat S.A. Transponder unit
WO2003003293A1 (en) * 2001-06-27 2003-01-09 Koninklijke Philips Electronics N.V. Data carrier with an integrated circuit between two carrier layers
FR2834367A1 (en) * 2001-12-28 2003-07-04 A S K NON-CONTACT PORTABLE OBJECT HAVING AT LEAST ONE PERIPHERAL DEVICE CONNECTED TO THE SAME ANTENNA AS THE CHIP
DE102004035062A1 (en) * 2004-07-20 2006-02-16 Infineon Technologies Ag Identification data carrier has a radio frequency identification tag using a receiver coil and high frequency transmission antenna
EP1821241A2 (en) 2006-02-15 2007-08-22 Assa Abloy Identification Technology Group AB Hybrid frequency contactless transponder unit, module for and method of manufacturing
EP1821242A1 (en) 2006-02-15 2007-08-22 Assa Abloy Identification Technology Group AB Contactless multi-frequency transponder unit, its electronic module and method for manufacturing the unit.
WO2007135658A1 (en) * 2006-05-22 2007-11-29 On Track Innovations Ltd. Chip card having a coil antenna with reduced footprint

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DE19932597C1 (en) * 1999-07-13 2000-10-05 Bolta Werke Gmbh Flat element, useful as price or barcode label or as chip card comprises barcode- or antenna-structured metal layer with black oxide-coated cauliflower structure surface bonded to base layer
DE10012967A1 (en) 2000-03-16 2001-09-20 Andreas Plettner Transponder used in radio frequency identification system, includes coupling elements connected to chip surface, and structurally designed to act as dipole antenna and disk capacitor
DE10056148A1 (en) * 2000-11-13 2002-05-23 Infineon Technologies Ag Contactless data medium has data processing unit and at least two reception antennas for each different transmission region, whereby at least two of the antennas form a unit
DE10124222A1 (en) 2001-05-18 2002-11-21 Atmel Germany Gmbh Method for matching an antenna resonant circuit of a passive transponder
FI20055696A (en) * 2005-12-22 2007-06-23 Upm Raflatac Oy Transponder tuning method and transponder
DE102010011504A1 (en) 2010-03-16 2012-06-14 Mühlbauer Ag Method for manufacturing transponder antenna for radio frequency identification tag for, e.g. debit card, involves fixing metal foil on antenna support layer, contouring antenna structure, and removing residual structure surrounding foil
WO2011159171A2 (en) 2010-06-11 2011-12-22 Trident Rfid Pty Ltd A transponder, rfid system and methods of operation
DE102012010560B4 (en) 2012-05-29 2020-07-09 Mühlbauer Gmbh & Co. Kg Transponder, method for manufacturing a transponder and device for manufacturing the transponder
CN109167161B (en) * 2018-08-27 2021-05-14 深圳市嘉姆特通信电子有限公司 Method for manufacturing wireless communication antenna

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JP2713529B2 (en) * 1992-08-21 1998-02-16 三菱電機株式会社 Signal receiving coil and non-contact IC card using the same
WO1996003713A1 (en) * 1994-07-28 1996-02-08 Westinghouse Electric Corporation Security access circuit using embedded antennas
EP0704928A3 (en) * 1994-09-30 1998-08-05 HID Corporation RF transponder system with parallel resonant interrogation and series resonant response

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10006816C2 (en) * 2000-02-15 2003-03-13 Sokymat Id Component Gmbh Transponder device for the identification of objects in relation to facilities
US6972664B2 (en) 2000-02-15 2005-12-06 Sokymat Automotive Gmbh Transponder device for the identification of objects in front of pieces of equipment
DE10006816A1 (en) * 2000-02-15 2001-08-30 Sokymat Id Component Gmbh Transponder device for the identification of objects in relation to facilities
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AU3543497A (en) 1998-02-10

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