EP1002914A2 - A transponding system for a vehicle - Google Patents

A transponding system for a vehicle Download PDF

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Publication number
EP1002914A2
EP1002914A2 EP99104337A EP99104337A EP1002914A2 EP 1002914 A2 EP1002914 A2 EP 1002914A2 EP 99104337 A EP99104337 A EP 99104337A EP 99104337 A EP99104337 A EP 99104337A EP 1002914 A2 EP1002914 A2 EP 1002914A2
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EP
European Patent Office
Prior art keywords
vehicle
transponder system
antennas
antenna
transponder
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Withdrawn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
EP99104337A
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German (de)
French (fr)
Other versions
EP1002914A3 (en
Inventor
Stephan Schmitz
Manfred Linke
Slava Yuri Tihovsky
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.)
Robert Bosch GmbH
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Robert Bosch GmbH
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Filing date
Publication date
Priority claimed from AU85192/98A external-priority patent/AU8519298A/en
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1002914A2 publication Critical patent/EP1002914A2/en
Publication of EP1002914A3 publication Critical patent/EP1002914A3/en
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means

Definitions

  • the present invention proposes a transponder system for a vehicle.
  • the electronic key which is a chip card or similar Device typically includes a transponder that is inside this specific area can or will be excited by the on-board electronics.
  • the on-board electronics include a transceiver system, which is designed in this way is that it creates a magnetic field, which is the transponder of the key excited.
  • the transceiver and the key are then able to Exchange security identifiers that can be used to determine whether access should be allowed to the key wearer.
  • the transceivers contain antennas, in particular one Dual antenna can be contained in a transceiver housing.
  • Transceivers with double antennas are located at a suitable point in the vehicle, such as. in the rearview mirror unit.
  • the magnetic field which is generated by the antennas of the transceiver, often has a comparatively limited range, which in certain cases does this lead that the key transponder is not excited when the Transponder is oriented differently than the double antennas.
  • Considerable losses were observed with double antennas, whereby it is assumed that the field generated by the two antennas is an extinguishing one Effect on the field of the other antenna.
  • One of the antennas needed possibly a ferrite core, so that the performance is increased accordingly. It will wanted to alleviate these problems or at least be a useful alternative to offer.
  • the present invention proposes a transponder system for a vehicle, which contains a transceiver with at least two antennas, each Antenna defines an antenna direction, characterized in that the Antennas are mounted separately in the vehicle, with the directions the antennas are substantially perpendicular to each other.
  • a transponder system for a vehicle contains a Transceiver system 2, which has a housing 4, which the entire Electronics 6 for exciting a transponder in a remote electronic Contains key.
  • the transceiver housing can in certain cases existing components of the vehicle are not visibly installed, for Example in the rear view mirror unit or in a rear door handle.
  • the transceiver housing 4 contains the first antenna 10.
  • the antenna 10 can have its own separate housing.
  • the Antenna 10 can be in the rearview mirror unit or in a rear door handle be installed while the transceiver housing is attached to the body is.
  • the antenna 10 includes a wire coil 12 and a resistor 13.
  • the Sie is used to generate a magnetic field to excite the transponder Generating keys.
  • the antenna coil 12 is arranged so that it is a Antenna or field direction, as indicated by arrow 14.
  • the transceiver can either be constantly active or it is activated by the Controlled on-board electronics of the vehicle and asked to close the transponder irritate.
  • the on-board electronics can control the transceiver, for example, when it is detected that a door handle has been moved. As soon as the key is energized he communicates with the transceiver for security identifiers to exchange which are used to determine whether access authorization exists.
  • the transceiver 2 also contains two connecting wires 16 am Housing 4, to which a second antenna 18, which is located at a different location in the Vehicle is connected.
  • the second antenna 18 also contains a coil 20 and a resistor 22, the coil 20 sets an antenna or Field direction, as indicated by arrow 24.
  • the transceiver shows a clear performance gain of up to 20 to 30% compared to the known double antenna coils for vehicles.
  • the Range of the magnetic field generated by the antennas is increased itself essential, so the ability to place the transponder in a key can be located in different places to excite, significantly improved so that ferrite cores for the coils can be omitted.
  • the antennas 10 and 18 can be located at different locations, as shown in FIG. 2. For example, if the first antenna 10 in the transceiver housing 4 is in an exterior mirror unit 32 at the front of the vehicle, then the second antenna 18 could be in an adjacent front door handle 34, or alternatively nearby in a rubber or chrome trim strip, which is located on an outer panel of the vehicle 30, for example. If the first antenna 10 in the transceiver housing 4 is located in the rear of the vehicle, for example in a rear door handle 38, then the second antenna 18 can be mounted either in an adjacent rear wheel housing 40 or in the rear bumper 42. The first antenna 10 can also be in a trim strip 36 and the second antenna 18 either in an adjacent rear wheel arch 40 or * 1 in the rear bumper 42. The antennas 10 and 18 can also be located in the rear lights 44 and 46, respectively.
  • the antennas 10 and 18 are attached to the vehicle separately. In addition, they must be arranged so that together they are an elliptical polarized magnetic field to excite the key transponder produce. There is an optimal distance between antennas 10 and 18, which is large enough to avoid the wiping effect and small enough to ensure that the elliptical polarized magnetic field is produced. It depends on the materials and components used in the vehicle and keys are installed.

Abstract

The system includes a transceiver (2) having a housing (4) with all the electronic circuitry (6). Antennas (10,18) include coils (12,20) omitting ferrite cores and defining direction (14,24), generate together an elliptically polarized magnetic field for exciting a key of the transponder system. The antennas are positioned at remote locations with respect to another in the vehicle and their directions are perpendicular to one another.

Description

Die vorliegende Erfindung schlägt ein Transponder-System für ein Fahrzeug vor.The present invention proposes a transponder system for a vehicle.

Es gibt Entwicklungen für passive Fahrzeug-Zugangssysteme, bei denen berechtigte Personen Zugang zu einem Fahrzeug dadurch erhalten, dass sie einen elektronischen Schlüssel an das Fahrzeug innerhalb eines bestimmten Bereichs heranführen. Der elektronische Schlüssel, der eine Chipkarte oder eine ähnliche Vorrichtung sein kann, beinhaltet normalerweise einen Transponder, der innerhalb dieses bestimmten Bereichs von der Bordelektronik erregt werden kann oder wird. Die Bordelektronik beinhaltet ein Sendeempfänger-System, welches so entworfen ist, dass es ein magnetisches Feld erzeugt, welches den Transponder des Schlüssels erregt. Der Sendeempfänger und der Schlüssel sind dann in der Lage, Sicherheitskennungen auszutauschen, welche dazu benutzt werden können, um zu bestimmen, ob Zugang für den Träger des Schlüssels erlaubt werden soll.There are developments for passive vehicle access systems where Authorized persons can gain access to a vehicle by electronic key to the vehicle within a certain range bring up. The electronic key, which is a chip card or similar Device typically includes a transponder that is inside this specific area can or will be excited by the on-board electronics. The on-board electronics include a transceiver system, which is designed in this way is that it creates a magnetic field, which is the transponder of the key excited. The transceiver and the key are then able to Exchange security identifiers that can be used to determine whether access should be allowed to the key wearer.

Die Sendeempfänger enthalten Antennen, wobei sie insbesondere eine Doppelantenne in einem Sendeempfänger-Gehäuse enthalten können. Ein Sendeempfänger mit Doppelantennen wird an einer geeigneten Stelle im Fahrzeug, wie z.B. in der Rückspiegeleinheit, angebracht. Es wurden jedoch bei Konfigurationen mit Doppelantennen Schwierigkeiten beobachtet, wobei das magnetische Feld, das von den Antennen des Sendeempfängers erzeugt wird, oft eine vergleichsweise begrenzte Reichweite hat, was in bestimmten Fällen dazu führen kann, dass der Transponder des Schlüssels nicht erregt wird, wenn der Transponder anders als die Doppelantennen ausgerichtet ist. Bei Sendeempfängern mit Doppelantennen wurden erhebliche Verluste beobachtet, wobei vermutet wird, dass das Feld, welches von den beiden Antennen erzeugt wird, einen auslöschenden Effekt auf das Feld der jeweils anderen Antenne hat. Eine der Antennen benötigt eventuell einen Ferritkern, damit die Leistung entsprechend gesteigert wird. Es wird gewünscht, diese Probleme zu verringern oder zumindest eine nützliche Alternative zu bieten. The transceivers contain antennas, in particular one Dual antenna can be contained in a transceiver housing. On Transceivers with double antennas are located at a suitable point in the vehicle, such as. in the rearview mirror unit. However, there were Difficulties observed with configurations with double antennas, the magnetic field, which is generated by the antennas of the transceiver, often has a comparatively limited range, which in certain cases does this lead that the key transponder is not excited when the Transponder is oriented differently than the double antennas. For transceivers Considerable losses were observed with double antennas, whereby it is assumed that the field generated by the two antennas is an extinguishing one Effect on the field of the other antenna. One of the antennas needed possibly a ferrite core, so that the performance is increased accordingly. It will wanted to alleviate these problems or at least be a useful alternative to offer.

Die vorliegende Erfindung schlägt ein Transponder-System für ein Fahrzeug vor, welches einen Sendeempfänger mit zumindest zwei Antennen enthält, wobei jede Antenne eine Antennenrichtung definiert, dadurch ausgezeichnet, dass die Antennen voneinander getrennt im Fahrzeug angebracht sind, wobei die Richtungen der Antennen im wesentlichen rechtwinklig zueinander sind.The present invention proposes a transponder system for a vehicle, which contains a transceiver with at least two antennas, each Antenna defines an antenna direction, characterized in that the Antennas are mounted separately in the vehicle, with the directions the antennas are substantially perpendicular to each other.

Bevorzugte Realisierungen der vorliegenden Erfindung sind anschließend mit Bezug auf die beiliegenden Zeichnungen als Beispiel beschrieben, wobei:

  • Figur 1 ein Blockdiagram eines Sendeempfängers eines Transponder-Systems und
  • Figur 2 eine schematische Zeichnung von Antennenpositionen in einem Fahrzeug ist.
    • Preferred implementations of the present invention are described below with reference to the accompanying drawings as an example, in which:
  • 1 shows a block diagram of a transceiver of a transponder system and
  • Figure 2 is a schematic drawing of antenna positions in a vehicle.

    • Ein Transponder-System für ein Fahrzeug, wie in Figur 1 dargestellt, enthält ein Sendeempfänger-System 2, welches ein Gehäuse 4 hat, welches die gesamte Elektronik 6 zum Erregen eines Transponders in einem entfernten elektronischen Schlüssel enthält. Das Sendeempfängergehäuse kann in bestimmten Fällen in bestehende Komponenten des Fahrzeuges nicht sichtbar eingebaut werden, zum Beispiel in die Rückspiegeleinheit oder in einen hinteren Türgriff. Das Sendeempfängergehäuse 4 enthält außer der Elektronik die erste Antenne 10. Alternativ dazu kann die Antenne 10 ein eigenes separates Gehäuse haben. Die Antenne 10 kann in die Rückspiegeleinheit oder in einen hinteren Türgriff eingebaut sein, während das Sendeempfängergehäuse an der Karosserie angebracht ist. Die Antenne 10 beinhaltet eine Drahtspule 12 und einen Widerstand 13. Sie wird benutzt, um ein magnetisches Feld zum Erregen des Transponders im Schlüssel zu erzeugen. Die Antennenspule 12 ist so angeordnet, dass sie eine Antennen- oder Feldrichtung, wie durch den Pfeil 14 angezeigt, festlegt. Der Sendeempfänger kann entweder ständig aktiv sein oder er wird durch die Bordelektronik des Fahrzeuges angesteuert und aufgefordert, den Transponder zu erregen. Die Bordelektronik kann den Sendeempfänger zum Beispiel ansteuern, wenn erkannt wird, dass ein Türgriff bewegt wurde. Sobald der Schlüssel erregt wird, kommuniziert er mit dem Sendeempfänger, um Sicherheitskennungen auszutauschen, welche dazu dienen festzustellen, ob Zugangsberechtigung besteht. A transponder system for a vehicle, as shown in FIG. 1, contains a Transceiver system 2, which has a housing 4, which the entire Electronics 6 for exciting a transponder in a remote electronic Contains key. The transceiver housing can in certain cases existing components of the vehicle are not visibly installed, for Example in the rear view mirror unit or in a rear door handle. The In addition to the electronics, the transceiver housing 4 contains the first antenna 10. Alternatively, the antenna 10 can have its own separate housing. The Antenna 10 can be in the rearview mirror unit or in a rear door handle be installed while the transceiver housing is attached to the body is. The antenna 10 includes a wire coil 12 and a resistor 13. Sie is used to generate a magnetic field to excite the transponder Generating keys. The antenna coil 12 is arranged so that it is a Antenna or field direction, as indicated by arrow 14. The The transceiver can either be constantly active or it is activated by the Controlled on-board electronics of the vehicle and asked to close the transponder irritate. The on-board electronics can control the transceiver, for example, when it is detected that a door handle has been moved. As soon as the key is energized he communicates with the transceiver for security identifiers to exchange which are used to determine whether access authorization exists.

    Der Sendeempfänger 2 enthält darüber hinaus zwei Anschlussdrähte 16 am Gehäuse 4, an welche eine zweite Antenne 18, die sich an einem anderen Ort im Fahrzeug befindet, angeschlossen wird. Die zweite Antenne 18 enthält ebenfalls eine Spule 20 und einen Widerstand 22, die Spule 20 legt eine Antennen- oder Feldrichtung, wie durch den Pfeil 24 angezeigt, fest. Durch Anordnung der beiden Antennen 10 und 18 an voneinander getrennten Orten und durch Anordnung der Richtungen 14 und 24 so, dass sie im wesentlichen rechtwinklig zueinander sind, zeigt der Sendeempfänger einen deutlichen Leistungsgewinn von bis zu 20 bis 30% im Vergleich zu den bekannten Doppel-Antennenspulen für Fahrzeuge. Die Reichweite des magnetischen Feldes, das durch die Antennen erzeugt wird, erhöht sich wesentlich, so dass die Fähigkeit, den Transponder in einem Schlüssel, der sich an verschiedenen Orten befinden kann, zu erregen, in bedeutendem Maße verbessert wird, so dass Ferritkerne für die Spulen wegfallen können.The transceiver 2 also contains two connecting wires 16 am Housing 4, to which a second antenna 18, which is located at a different location in the Vehicle is connected. The second antenna 18 also contains a coil 20 and a resistor 22, the coil 20 sets an antenna or Field direction, as indicated by arrow 24. By arranging the two Antennas 10 and 18 at separate locations and by arranging the Directions 14 and 24 so that they are substantially perpendicular to each other, the transceiver shows a clear performance gain of up to 20 to 30% compared to the known double antenna coils for vehicles. The Range of the magnetic field generated by the antennas is increased itself essential, so the ability to place the transponder in a key can be located in different places to excite, significantly improved so that ferrite cores for the coils can be omitted.

    Die Antennen 10 und 18 können sich an verschiedenen Stellen befinden, wie in Figur 2 gezeigt. Wenn zum Beispiel die erste Antenne 10 im Sendeempfängergehäuse 4 sich in einer Außenspiegeleinheit 32 vorne am Fahrzeug befindet, dann könnte sich die zweite Antenne 18 in einem nebenliegenden vorderen Türgriff 34 befinden, oder alternativ in der Nähe in einer Gummi- oder Chrom-Zierleiste, welche sich zum Beispiel an einem Außenblech des Fahrzeuges 30 befindet. Wenn die erste Antenne 10 in dem Sendeempfängergehäuse 4 sich im Fahrzeugheck befindet, zum Beispiel in einem hinteren Türgriff 38, dann kann die zweite Antenne 18 entweder in einem nebenliegenden hinteren Radkasten 40 oder in dem hinteren Stoßfänger 42 angebracht sein. Die erste Antenne 10 kann ebenfalls in einer Zierleiste 36 sein und die zweite Antenne 18 entweder in einem nebenliegenden hinteren Radkasten 40 oder*1 in dem hinteren Stoßfänger 42. Die Antennen 10 und 18 können sich ebenfalls in den Rückleuchten 44 bzw. 46 befinden. The antennas 10 and 18 can be located at different locations, as shown in FIG. 2. For example, if the first antenna 10 in the transceiver housing 4 is in an exterior mirror unit 32 at the front of the vehicle, then the second antenna 18 could be in an adjacent front door handle 34, or alternatively nearby in a rubber or chrome trim strip, which is located on an outer panel of the vehicle 30, for example. If the first antenna 10 in the transceiver housing 4 is located in the rear of the vehicle, for example in a rear door handle 38, then the second antenna 18 can be mounted either in an adjacent rear wheel housing 40 or in the rear bumper 42. The first antenna 10 can also be in a trim strip 36 and the second antenna 18 either in an adjacent rear wheel arch 40 or * 1 in the rear bumper 42. The antennas 10 and 18 can also be located in the rear lights 44 and 46, respectively.

    Die Antennen 10 und 18 sind am Fahrzeug getrennt voneinander angebracht. Darüber hinaus müssen sie so angeordnet sein, dass sie zusammen ein elliptisches polarisiertes magnetisches Feld zum Erregen des Transponders des Schlüssels erzeugen. Es gibt eine optimale Entfernung zwischen den Antennen 10 und 18, welche groß genug ist, um den Auslöschungseffekt zu vermeiden und klein genug, um sicherzustellen, dass das elliptische polarisierte magnetische Feld erzeugt wird. Sie hängt dabei von den Materialien und Bauteilen, die in Fahrzeug und Schlüssel verbaut sind, ab.The antennas 10 and 18 are attached to the vehicle separately. In addition, they must be arranged so that together they are an elliptical polarized magnetic field to excite the key transponder produce. There is an optimal distance between antennas 10 and 18, which is large enough to avoid the wiping effect and small enough to ensure that the elliptical polarized magnetic field is produced. It depends on the materials and components used in the vehicle and keys are installed.

    Dem Fachkundigen werden hierzu eine Vielzahl von Änderungen gegenwärtig werden, ohne dass der Umfang der vorliegenden Erfindung, wie sie hiermit unter Bezug auf die beiliegenden Zeichnungen beschrieben wird, überschritten wird.A large number of changes are currently being made to the person skilled in the art without departing from the scope of the present invention, as hereby under Described with reference to the accompanying drawings is exceeded.

    Die Bezugszahlen in den folgenden Ansprüchen begrenzen in keiner Weise den Umfang der entsprechenden Ansprüche.The reference numbers in the following claims in no way limit the Scope of the corresponding claims.

    Claims (13)

    Ein Transponder-System für ein Fahrzeug (30), welches einen Sendeempfänger (2) mit zumindest zwei Antennen (10,18) enthält, wobei jede Antenne eine Antennenrichtung (14, 24) definiert, dadurch ausgezeichnet, dass die Antennen (10,18) voneinander getrennt im Fahrzeug (30) angebracht sind, wobei die Richtungen (14,24) der Antennen (10,18) im wesentlichen rechtwinklig zueinander sind.A transponder system for a vehicle (30), which one Contains transceivers (2) with at least two antennas (10, 18), each Antenna defines an antenna direction (14, 24), characterized in that the Antennas (10, 18) are mounted separately in the vehicle (30), whereby the directions (14, 24) of the antennas (10, 18) are essentially rectangular to each other. Ein Transponder-System nach Anspruch 1, bei dem die Antennen (10,18) Spulen (12,20) enthalten, die die Richtungen (14,24) bestimmen.A transponder system according to claim 1, wherein the antennas (10, 18) contain coils (12, 20) that determine the directions (14, 24). Ein Transponder-System nach Anspruch 2, bei dem die Ferritkerne der Spulen (12,20) der Antennen (10,18) weggelassen wurden.A transponder system according to claim 2, wherein the ferrite cores the coils (12, 20) of the antennas (10, 18) have been omitted. Ein Transponder-System nach Anspruch 3, bei denen die Antennen (10,18) zusammen ein elliptisches polarisiertes magnetisches Feld erzeugen, das zur Erregung eines Schlüssels des Transponder-Systems dient.A transponder system according to claim 3, wherein the antennas (10,18) together generate an elliptical polarized magnetic field, which is used to excite a key of the transponder system. Ein Transponder-System nach Anspruch 4, bei dem sich die Elektronik (6) des Sendeempfängers (2) und eine der Antennen (10) in einem Gehäuse (4) an einer der beiden Antennenpositionen im Fahrzeug befindet.A transponder system according to claim 4, wherein the Electronics (6) of the transceiver (2) and one of the antennas (10) in one Housing (4) at one of the two antenna positions in the vehicle. Ein Transponder-System nach Ansprüchen 1 bis 5, bei dem eine Außenspiegeleinheit (32) und ein vorderer Türgriff (34) des Fahrzeuges (30) zwei Antennenpositionen sind.A transponder system according to claims 1 to 5, in which one Outside mirror unit (32) and a front door handle (34) of the vehicle (30) two Antenna positions are. Ein Transponder-System nach Ansprüchen 1 bis 5, bei dem eine Außenspiegeleinheit (32) und eine Zierleiste (36) des Fahrzeuges (30) zwei Antennenpositionen sind.A transponder system according to claims 1 to 5, in which one Outside mirror unit (32) and a decorative strip (36) of the vehicle (30) two Antenna positions are. Ein Transponder-System nach Ansprüchen 1 bis 5, bei dem ein hinterer Türgriff (38) und ein hinterer Radkasten (40) des Fahrzeuges (30) zwei Antennenpositionen sind. A transponder system according to claims 1 to 5, in which a rear door handle (38) and a rear wheel arch (40) of the vehicle (30) two Antenna positions are. Ein Transponder-System nach Ansprüchen 1 bis 5, bei dem ein hinterer Türgriff (38) und ein hinterer Stoßfänger (42) des Fahrzeuges (30) zwei Antennenpositionen sind.A transponder system according to claims 1 to 5, in which a rear door handle (38) and a rear bumper (42) of the vehicle (30) two Antenna positions are. Ein Transponder-System nach Ansprüchen 1 bis 5, bei dem eine seitliche Zierleiste (36) des Fahrzeuges (30) und ein hinterer Stoßfänger (42) des Fahrzeuges (30) zwei Antennenpositionen sind.A transponder system according to claims 1 to 5, in which one side trim strip (36) of the vehicle (30) and a rear bumper (42) of the Vehicle (30) are two antenna positions. Ein Transponder-System nach Ansprüchen 1 bis 5, bei dem eine seitliche Zierleiste (36) des Fahrzeuges (30) und ein hinterer Radkasten (40) des Fahrzeuges (30) zwei Antennenpositionen sind.A transponder system according to claims 1 to 5, in which one side trim (36) of the vehicle (30) and a rear wheel arch (40) of the Vehicle (30) are two antenna positions. Ein Transponder-System nach Ansprüchen 1 bis 5, bei dem die beiden Rückleuchteneinheiten (44,46) zwei Antennenpositionen sind.A transponder system according to claims 1 to 5, wherein the two taillight units (44, 46) are two antenna positions. Ein Transponder-System, das im wesentlichen so ist, wie hiermit unter Bezugnahme auf die begleitenden Zeichnungen beschrieben.A transponder system that is essentially like this described with reference to the accompanying drawings.
    EP99104337A 1998-09-16 1999-03-04 A transponding system for a vehicle Withdrawn EP1002914A3 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    AU85192/98A AU8519298A (en) 1998-03-03 1998-09-16 A transponder system for a vehicle
    AU8519298 1998-09-16

    Publications (2)

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    EP1002914A2 true EP1002914A2 (en) 2000-05-24
    EP1002914A3 EP1002914A3 (en) 2001-10-04

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    Cited By (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE102009025154A1 (en) * 2009-06-17 2011-06-09 Predrag Stevanovic External antenna device for keyless access system for motor vehicle, has number-plate lamp formed for vehicle, and antenna integrated in lamp and comprising coil with coil windings that run around main direction of coil
    CN111386558A (en) * 2017-09-14 2020-07-07 大陆汽车有限公司 Contactless communication repeater remote feeding device for a door handle of a motor vehicle

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    Cited By (3)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE102009025154A1 (en) * 2009-06-17 2011-06-09 Predrag Stevanovic External antenna device for keyless access system for motor vehicle, has number-plate lamp formed for vehicle, and antenna integrated in lamp and comprising coil with coil windings that run around main direction of coil
    DE102009025154B4 (en) * 2009-06-17 2017-12-07 Predrag Stevanovic Antenna device for keyless entry system
    CN111386558A (en) * 2017-09-14 2020-07-07 大陆汽车有限公司 Contactless communication repeater remote feeding device for a door handle of a motor vehicle

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