EP0440974B2 - Système de sécurité pour véhicules à moteur - Google Patents

Système de sécurité pour véhicules à moteur Download PDF

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Publication number
EP0440974B2
EP0440974B2 EP19900125307 EP90125307A EP0440974B2 EP 0440974 B2 EP0440974 B2 EP 0440974B2 EP 19900125307 EP19900125307 EP 19900125307 EP 90125307 A EP90125307 A EP 90125307A EP 0440974 B2 EP0440974 B2 EP 0440974B2
Authority
EP
European Patent Office
Prior art keywords
signal
code signal
transponder
transmitter
transmits
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.)
Expired - Lifetime
Application number
EP19900125307
Other languages
German (de)
English (en)
Other versions
EP0440974B1 (fr
EP0440974A1 (fr
Inventor
Hans-Dieter Dr. Fournell
Walter Weishaupt
Mario Neudold
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6399407&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0440974(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP0440974A1 publication Critical patent/EP0440974A1/fr
Publication of EP0440974B1 publication Critical patent/EP0440974B1/fr
Application granted granted Critical
Publication of EP0440974B2 publication Critical patent/EP0440974B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional 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
    • 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
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G07C2009/00198—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the keyless data carrier having more than one limited data transmission ranges
    • 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
    • G07C2009/00555—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 comprising means to detect or avoid relay attacks
    • 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
    • G07C2009/00793—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 by Hertzian waves
    • 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
    • G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
    • G07C2009/00928—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses for garage doors
    • 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
    • G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/60—Indexing scheme relating to groups G07C9/00174 - G07C9/00944
    • G07C2209/63—Comprising locating means for detecting the position of the data carrier, i.e. within the vehicle or within a certain distance from the vehicle

Definitions

  • the invention relates to a safety device according to the preamble of the claim 1.
  • Such a safety device is out known from the applicant's EP-A-0218251.
  • a manually operated switch is provided.
  • This switch is in connection with, for example a door flap, a tailgate or an operating button for a door or the Tailgate of the motor vehicle.
  • the switch is manual operated and with the help of the stationary transponder triggered the question code signal.
  • the portable one Transponder answers with its response code signal.
  • the motor vehicle is unlocked when the response code signal is actually from one Transponder goes out to the respective motor vehicle heard.
  • the aim of the entire publication is to create a problem-free one Use of the motor vehicle without use of the usually provided manual Key.
  • this publication is also the problem of bugging security addressed.
  • This problem is addressed by brief Ranges of the two transmitters, i.e. of the portable and the stationary transponder, invoice carried.
  • Under transponder is how also a transmission / reception device in the following for a wirelessly transmitted radio signal understand.
  • the stationary transponder Preferably in the stationary transponder contain a code signal comparator, if the match that of the portable transponder Response code signal with one in stationary Transponder expected code signal Unlocking or unlocking signal to a Unlocking or unlocking device supplies.
  • a code signal comparator if the match that of the portable transponder Response code signal with one in stationary Transponder expected code signal Unlocking or unlocking signal to a Unlocking or unlocking device supplies.
  • this known safety device become the stationary and the portable transponder only for tap-proof question-answer dialogue as a prerequisite for unlocking of the motor vehicle used.
  • the two Transponder by connecting to a provided for using the motor vehicle Handle, e.g. with a door flap, a tailgate or an operating button for a door or the tailgate, only a short range on. Further use of the two Transponder is not provided.
  • the invention solves this problem by characteristic features of the claim 1.
  • a number are essential to the invention of considerations. On the one hand, security against eavesdropping guaranteed even if only one of the two transmitters has a short range. So it is only necessary to use the transmitter for the question or transmitter for the answer code signal always have a short range. Alternatively, the transmission power of one Transmitter only reduced when sending the code signal be.
  • the reduction in range can be particularly simple way using one as an LF signal emitted code signal can be achieved in contrast, the other signal is an RF signal with a correspondingly long range.
  • the remaining signals from the two transmitters can be sent otherwise have a relatively large range. This ensures that only the question-answer dialog between the stationary and the mobile transponder is tap-proof while the rest of the broadcasting by means of additional signals of relatively long range. It can be used to control a remote control certain distance of, for example, 50 meters be ensured. With this remote control can be, for example, switching on the interior lighting - to make it easier Locating the motor vehicle in the dark - or the closing or opening of side windows or Act roof openings of the motor vehicle.
  • This Additional signal that differs from the question or answer code signal the same transmitter can for example also serve a corresponding Device for opening a garage door to cause.
  • the additional signal can also be generated using a
  • the interior switch is triggered in the interior the motor vehicle is located or operated there is. Is the additional signal from the portable Transponder sent out, for example, the switch the stationary transponder for transmission a command signal for the portable Activate transponder. The portable transponder then sends the additional signal accordingly long range. Both signals of the portable transponders can, as shown, have a long range or, if the question code signal has a short range, differ in their range.
  • the portable transmitter can even to send out the additional signal a switch can be activated, which is on the Housing of the portable transmitter is located. It is thus possible before using the motor vehicle or outside the motor vehicle, the garage door can be opened by remote control or additional functions of the motor vehicle such as switching on the interior light or the described control of Windows or sunroofs.
  • the implementation of the invention can be done in two Variants take place.
  • the stationary Transponder his question code signal with great Range and the portable transponder Send a response code signal with a short range.
  • the stationary transponder can be used his short code question code signal, the portable transponder has its response code signal send out with a long range.
  • the portable Transponder also great as a remote control transmitter Range can be used to in the event of the application described here Vehicle functions or operating functions, e.g. on a garage door to fire from a greater distance.
  • the additional remote control functions are also triggered (RF signal) of the portable transponder via the NF signal of the stationary transponder only in the immediate vicinity of the vehicle possible, which automatically relates to the vehicle given is.
  • the only figure shows schematically the basic one Structure of the safety device according to the invention.
  • the centerpiece is a portable transponder 1 and a stationary transponder 2, which in a motor vehicle shown schematically in plan view 3 is arranged.
  • the transponder 1 has a transmitter, not shown, for an RF signal as well as a receiver, also not shown for an LF signal.
  • the range of the RF signal is about 40 to 50 meters that of the LF signal about 1.5 meters.
  • the LF signal is through the transponder transmitter, also not shown 2 sent out.
  • the portable transponder 1 is included Key switches 11, 12 and 13 provided with which by the transmitter of the portable transponder 1 various additional RF signals without previous LF signal of the motor vehicle 3 emitted becomes. This makes it possible to use a remote control also the garage door 8, the central locking system in closing mode or a window regulator or the like.
  • the Protection against eavesdropping is guaranteed. This is ensured by the short Range of one of the two between the transponders 1 and 2 exchanged signals, here the LF signal of the stationary transponder 2. Correspondingly it is also possible through a short Range of the outgoing from the portable transponder 1 Response code signal this bug security to ensure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
  • Selective Calling Equipment (AREA)

Claims (7)

  1. Système de sécurité pour véhicules à moteur, comprenant
    un transpondeur (2) fixe installé dans ou sur le véhicule à moteur (3), servant à produire un signal codé d'interrogation ;
    un transpondeur transportable (1) recevant le signal codé d'interrogation et émettant un signal codé de réponse et,
    un comparateur de signaux codés dans le transpondeur fixe (2), et délivrant un signal de déblocage à un système de déblocage si le signal codé de réponse coïncide avec un signal codé attendu,
    caractérisé en ce que
    seul l'un des émetteurs des deux transpondeurs (1, 2) émet son signal codé avec une portée courte,
    l'autre émetteur émet son signal codé correspondant avec une portée relativement grande et,
    l'autre émetteur émet un signal additionnel déclenché par un élément interrupteur et différant du signal codé d'interrogation ou de réponse avec une portée relativement grande.
  2. Système de sécurité selon la revendication 1,
    caractérisé en ce que
    l'émetteur qui émet son signal codé avec une courte portée, délivre un signal codé à basse fréquence BF, mais l'autre émetteur délivre un signal codé à haute fréquence HF.
  3. Système de sécurité selon la revendication 1 ou 2,
    caractérisé en ce que
    l'émetteur du transpondeur transportable (1) émet le signal additionnel, quand le transpondeur fixe (2) est activé pour cela, par un interrupteur interne (7) disposé à l'intérieur du véhicule (3) et/ou pouvant être actionné pour émettre un signal d'ordre.
  4. Système de sécurité selon la revendication 1 ou 2,
    caractérisé en ce que
    l'émetteur du transpondeur stationnaire (2) émet le signal additionnel, quand il est préparé à cela par un interrupteur interne (7) disposé à l'intérieur du véhicule (3) et/ou pouvant être actionné.
  5. Système de sécurité selon l'une des revendications 1 à 4,
    caractérisé par
    un interrupteur (11, 12, 13) disposé sur l'émetteur du transpondeur transportable (1), avec lequel on peut déclencher le signal additionnel.
  6. Système de sécurité selon l'une des revendications 1 à 5,
    caractérisé en ce que
    l'émetteur du transpondeur fixe (2) émet son signal codé d'interrogation avec une courte portée.
  7. Système de sécurité selon la revendication 6,
    caractérisé en ce que
    la portée du transpondeur fixe (2) est courte même lors de l'émission du signal d'ordre.
EP19900125307 1990-02-03 1990-12-21 Système de sécurité pour véhicules à moteur Expired - Lifetime EP0440974B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19904003280 DE4003280C5 (de) 1990-02-03 1990-02-03 Sicherheitseinrichtung für Kraftfahrzeuge
DE4003280 1990-02-03

Publications (3)

Publication Number Publication Date
EP0440974A1 EP0440974A1 (fr) 1991-08-14
EP0440974B1 EP0440974B1 (fr) 1995-05-10
EP0440974B2 true EP0440974B2 (fr) 1999-10-06

Family

ID=6399407

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900125307 Expired - Lifetime EP0440974B2 (fr) 1990-02-03 1990-12-21 Système de sécurité pour véhicules à moteur

Country Status (3)

Country Link
EP (1) EP0440974B2 (fr)
DE (3) DE4003280C5 (fr)
ES (1) ES2071738T5 (fr)

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DE102012018188A1 (de) * 2012-09-10 2014-03-13 Udo Hagemann Gerät zum spurlosen Öffnen und Starten von Fahrzeugen für sogenannten "Keyless Go" oder "Keyless Entry" Systeme. Es verlängert mittels Funkübertragung die Reichweite des Keyless Fahrzeugschlüssels auf bis zu 500 Meter.
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DE4003280C5 (de) 2007-06-28
EP0440974B1 (fr) 1995-05-10
EP0440974A1 (fr) 1991-08-14
DE4020445A1 (de) 1992-01-02
DE4003280C2 (de) 1998-10-15
DE59009066D1 (de) 1995-06-14
DE4003280A1 (de) 1991-08-08
ES2071738T3 (es) 1995-07-01
DE4020445C2 (de) 1998-12-03
ES2071738T5 (es) 1999-12-16

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