EP0596401B1 - Procédé d'individualisation et de synchronisation d'un appareil de commande - Google Patents

Procédé d'individualisation et de synchronisation d'un appareil de commande Download PDF

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Publication number
EP0596401B1
EP0596401B1 EP93117446A EP93117446A EP0596401B1 EP 0596401 B1 EP0596401 B1 EP 0596401B1 EP 93117446 A EP93117446 A EP 93117446A EP 93117446 A EP93117446 A EP 93117446A EP 0596401 B1 EP0596401 B1 EP 0596401B1
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EP
European Patent Office
Prior art keywords
key
procedure according
controller
application
data
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
EP93117446A
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German (de)
English (en)
Other versions
EP0596401A1 (fr
Inventor
Ralf Ranzenberger
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.)
Mannesmann VDO AG
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Mannesmann VDO AG
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Publication date
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Priority claimed from DE19924236862 external-priority patent/DE4236862A1/de
Application filed by Mannesmann VDO AG filed Critical Mannesmann VDO AG
Publication of EP0596401A1 publication Critical patent/EP0596401A1/fr
Application granted granted Critical
Publication of EP0596401B1 publication Critical patent/EP0596401B1/fr
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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
    • G07C9/00309—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
    • G07C9/00309—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
    • G07C2009/0042—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 the transmitted data signal containing a code which is changed
    • G07C2009/00476—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 the transmitted data signal containing a code which is changed dynamically
    • G07C2009/00492—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 the transmitted data signal containing a code which is changed dynamically whereby the code is a rolling code
    • 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
    • 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
    • G07C9/00817—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed
    • G07C2009/00825—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed remotely by lines or wireless communication
    • 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
    • G07C2209/06—Involving synchronization or resynchronization between transmitter and receiver; reordering of codes

Definitions

  • the invention relates to a method for individualization and synchronization a control unit for central locking and anti-theft device one Motor vehicle, for receiving wirelessly transmitted, encrypted function commands is equipped with a receiver and also a microprocessor, a memory, a non-volatile memory, a pseudo-random generator, contains a counter and a control command output.
  • the new coding is generated in the receiver and wirelessly transmitted to the transmitter and stored in it.
  • the transmitter and the receiver are switched on before initialized when the central locking system is operated for the first time.
  • the method according to the invention differs from that Method according to patent application DE 42 01 568 in that the key data for individualization and synchronization of the control unit wirelessly by means of the one containing the characteristic data Motor vehicle key takes place, the characteristic data remain hidden from operating and service personnel and any manipulation excluded even by "insiders" become. In addition, additional hardware and software-related effort to initialize the control units in the manufacturing process.
  • Fig. 1 shows schematically a key 1 and a control unit 2.
  • the key 1 contains a transmitter, a microprocessor, a pseudo-random generator, a program memory, a non-volatile memory, a battery and an actuator. Also in the key all required characteristics are saved.
  • Control unit 2 for central locking and theft protection is arranged in the motor vehicle and contains a receiver, a microprocessor, a memory, a non-volatile memory, a pseudo-random generator, a counter and a control command output.
  • the pseudo-random generators in the key and control unit can be either circuit-wise or software-wise will be realized.
  • a primary synchronization using a serial interface initiated. This will make the Microprocessor of the control unit 2 for recording and storage of the sensitized data.
  • the initialization command also tells control unit 2 which one Data storage space is to be occupied (key number). Then the required number of telegrams for wireless transmission of the entire characteristic data set be sent. It can be provided in the program that the complete identification data record is sent at least twice must be done and that a data comparison is made internally becomes. The data are only stored in memory if they match filed.
  • Control commands lost be it that the Transmission power of the transmitter is not sufficient, be it that the key is outside the reception area of the Receiver is operated, then a secondary synchronization become necessary. All that is required is new change code data be transmitted.
  • the secondary synchronization is through a special initialization procedure or initiated a special data telegram and can then by a special operation of the key or by controlling the control unit independently of the key be initiated. You can do this by contacting Door lock or a specific position of the ignition key to use.
  • the data storage space to be used now results from the fixed code portion that the key 3 sends in the data telegram.
  • the control unit 2 now expects a number of data messages, which he evaluates.
  • the characteristic data that the control unit 2 now with the next Data telegrams are received with the determined change code and already known fixed code compared.

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

Claims (11)

  1. Procédé d'individualisation et de synchronisation d'un appareil de commande (2) pour le verrouillage centralisé et la sécurité antivol d'un véhicule à moteur, qui est équipé d'un récepteur pour recevoir des instructions de fonction codées, transmises sans fil, qui présente en outre, un microprocesseur, une mémoire, une mémoire rémanente, un générateur de nombres pseudo-aléatoires, un compteur, une émission d'instructions de commande, ainsi qu'une clé (1) du véhicule qui contient les données caractéristiques nécessaires, qui est déterminée par l'utilisateur ultérieur du véhicule pour usage permanent et qui, en dehors d'un émetteur, présente un microprocesseur, un générateur de nombres pseudo-aléatoires, une mémoire de programmes, une mémoire rémanente, une batterie et un dispositif de manoeuvre, caractérisé par le fait qu'à la fin du processus de fabrication de l'appareil de commande (2) son individualisation et sa synchronisation se font sans fil au moyen de la clé (1) du véhicule.
  2. Procédé selon la revendication 1, caractérisé par le lait qu'un jeu de données caractéristiques est émis par la clé (1), réparti sur plusieurs télégrammes.
  3. Procédé selon la revendication 1 ou 2, caractérisé par le fait qu'un jeu de données caractéristiques pour l'individualisation et la première synchronisation contient une partie de code fixe et une partie de code alternatif ainsi que des instructions de commande.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé par le fait que les données caractéristiques provenant du micro-processeur de l'appareil de commande (2) sont vérifiées et, en cas de résultat positif, déposées en mémoire rémanente.
  5. Application du procédé selon l'une des revendications 1 à 4, à l'individualisation et la synchronisation d'un appareil de commande (2) pour plus d'une clé (1).
  6. Application du procédé selon la revendication 5, caractérisée par le fait que les données caractéristiques pour les différentes clés (1) sont transmises successivement et sont séparément déposées dans la mémoire rémanente de l'appareil de commande (2).
  7. Procédé selon la revendication 3, caractérisé par le fait que les parties du code fixe et du code alternatif des jeux de données caractéristiques sont séparément déposées dans la mémoire rémanente de l'appareil de commande (2).
  8. Application du procédé selon la revendication 1, avec l'obligation que lors d'une synchronisation secondaire, nécessaire, de l'appareil de commande (2), seules des données de code alternatif soient transmises.
  9. Application du procédé selon la revendication 8, caractérisée par le fait que la transmission des données du code alternatif est provoquée par une manoeuvre particulière de la clé (1).
  10. Application du procédé selon la revendication 8, caractérisée par le fait que la transmission des données du code alternatif est provoquée par une commande de l'appareil de commande (2) indépendante de la clé (1).
  11. Application du procédé selon la revendication 10, caractérisée par le fait que la commande est provoquée par l'intermédiaire d'un contact dans la serrure de porte par une position déterminée de la clé de contact.
EP93117446A 1992-10-31 1993-10-28 Procédé d'individualisation et de synchronisation d'un appareil de commande Expired - Lifetime EP0596401B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19924236862 DE4236862A1 (de) 1992-01-22 1992-10-31 Verfahren zur Individualisierung und Synchronisierung eines Steuergeräts
DE4236862 1992-10-31

Publications (2)

Publication Number Publication Date
EP0596401A1 EP0596401A1 (fr) 1994-05-11
EP0596401B1 true EP0596401B1 (fr) 1999-01-27

Family

ID=6471841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93117446A Expired - Lifetime EP0596401B1 (fr) 1992-10-31 1993-10-28 Procédé d'individualisation et de synchronisation d'un appareil de commande

Country Status (2)

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EP (1) EP0596401B1 (fr)
DE (1) DE59309341D1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4407966A1 (de) * 1994-03-10 1995-09-14 Valeo Borg Instr Verw Gmbh Elektronisches Code-Schloß, insbesondere zum Deaktivieren einer Kraftfahrzeug-Wegfahrsperre
FR2719924B1 (fr) * 1994-05-11 1996-08-14 Peugeot Procédé de déverrouillage de l'accès d'un outil de téléchargement d'un fichier, à un calculateur.
DE4441415C2 (de) * 1994-11-22 2003-06-18 Audi Ag Verfahren für die Handhabung von Ersatzschlüsseln
DE19507043B4 (de) * 1995-03-01 2006-11-23 Deutsche Telekom Ag Verfahren zur Erzeugung und Verteilung unpersonalisierter vertraulicher elektronischer Schlüssel
FR2747817B1 (fr) * 1996-04-22 1998-07-24 Peugeot Systeme de programmation d'au moins un calculateur d'un systeme electronique embarque a bord d'un vehicule automobile
DE102008020560A1 (de) 2008-04-24 2009-10-29 Volkswagen Ag Verfahren zur Erweiterung von Software für ein Steuergerät eines Fahrzeugs und entsprechend ausgestaltete Datenlesevorrichtung sowie Schlüssel und Fahrzeug

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3529882A1 (de) * 1985-08-21 1987-02-26 Vdo Schindling System zum ver- und / oder entriegeln einer sicherheitseinrichtung
IT1227401B (it) * 1988-12-06 1991-04-08 Delta Elettronica Spa Dispositivi per la trasmissione a distanza di comandi in sicurezza
US5479154A (en) * 1990-04-06 1995-12-26 Siemens Aktiengesellschaft Process for operating a remote-controllable central locking installation of a vehicle
WO1992015761A1 (fr) * 1991-03-07 1992-09-17 Siemens Aktiengesellschaft Systeme de verrouillage de vehicules a moteur a commande optique ou par radio

Also Published As

Publication number Publication date
DE59309341D1 (de) 1999-03-11
EP0596401A1 (fr) 1994-05-11

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