EP0960995B1 - Identification method for a vehicle user - Google Patents

Identification method for a vehicle user Download PDF

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Publication number
EP0960995B1
EP0960995B1 EP99108409A EP99108409A EP0960995B1 EP 0960995 B1 EP0960995 B1 EP 0960995B1 EP 99108409 A EP99108409 A EP 99108409A EP 99108409 A EP99108409 A EP 99108409A EP 0960995 B1 EP0960995 B1 EP 0960995B1
Authority
EP
European Patent Office
Prior art keywords
vehicle
transponder
code
identification code
authorisation
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
EP99108409A
Other languages
German (de)
French (fr)
Other versions
EP0960995A2 (en
EP0960995A3 (en
Inventor
Rüdiger Bartz
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
Application filed by Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP0960995A2 publication Critical patent/EP0960995A2/en
Publication of EP0960995A3 publication Critical patent/EP0960995A3/en
Application granted granted Critical
Publication of EP0960995B1 publication Critical patent/EP0960995B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • 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
    • 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
    • G07C9/00944—Details of construction or manufacture

Definitions

  • the granting of access authorization is therefore from the authorization code and from Identification code dependent.
  • the transponder transmits both codes to the Vehicle.
  • the identification code is stored in a memory of the watch transferred to a volatile memory of the transponder.
  • a facility in Vehicle grants access authorization if both the authorization code and also the identification code with values for the authorization code stored in the vehicle and corresponds to the identification code.
  • the transponder is then contacted with energy supplied to the watch's energy storage, then automatically from the watch's logic section Read out the identification code and in the transponder in a volatile memory Store (RAM).
  • RAM volatile memory Store
  • This clock can then be assigned to the vehicle by e.g. by means of a mechanical vehicle key, the vehicle is opened or in operation is set and then a transponder query is started. in this connection In addition to its authorization code, the transponder also transmits the identification code, both of which are stored in the vehicle. Will be at a new one If the two codes are transferred again, the vehicle recognizes the user as entitled. The described identification of the user is tamper-proof, since the identification code is only saved if it is used with this the vehicle-specific authorization code is also transmitted.
  • the identification code is read into the RAM of the transponder. In the When queried by the vehicle, it is returned together with the authorization code read from the transponder and continue in the vehicle using the there held identification code known from the earlier synchronization process recognized.
  • the transponder is handed over to the new owner. This can insert it into his wristwatch, which has an individual identification code has. The new user points by means of the mechanical key his access authorization. After inserting the Transponders the identification code is read into the RAM of the transponder was, this can be queried by the vehicle together with the unchanged and read the valid authorization code from the transponder and stored in the vehicle. The user can thus sell keep the watch of the vehicle.

Description

Die Erfindung bezieht sich auf ein Verfahren zum Prüfen einer Zugangsberechtigung zu einem Fahrzeug.The invention relates to a method for checking an access authorization to a vehicle.

In diesem Zusammenhang ist es aus der DE 44 35 894 A bekannt, mittels eines Transponders in einer Armbanduhr einen Zugangscode zum Fahrzeug zu senden, wobei eine Einrichtung im Fahrzeug die Zugangsberechtigung erteilt, wenn der Zugangscode mit im Fahrzeug abgespeicherten Werten für den Zugangscode entspricht.In this context, it is known from DE 44 35 894 A, by means of a Sending a transponder in a wristwatch an access code to the vehicle, a device in the vehicle grants access authorization if the access code with values for the access code stored in the vehicle.

Die Erfindung beschäftigt sich insbesondere mit dem dabei bestehenden Problem der Zuordnung von Transponder, Armbanduhr und Fahrzeug. Das Problem ergibt sich dann, wenn wie bei der DE 44 35 894 A die Armbanduhr mit einem hinsichtlich seines Dateninhalts festen Transponder für die Zugangs- und Fahrberechtigung für das Fahrzeug verwendet wird. Die Freischaltung und auch die Sperrung der Uhr nur am Fahrzeug, d.h. in Verbindung mit Fahrzeug-Benutzungshandlungen stellt einen Schwachpunkt für den Diebstahlschutz dar, da dann die Möglichkeit für einen unberechtigten Benutzer bestünde, den Dateninhalt seiner Uhr unbemerkt für den berechtigten Benutzer einzulesen und sich damit die Zugangsberechtigung zu verschaffen. Auch ist es für den (berechtigten) Benutzer nicht zumutbar, beim Verkauf des Fahrzeugs die Armbanduhr gleich mit abzugeben.The invention is particularly concerned with the existing problem the assignment of transponder, wristwatch and vehicle. The problem arises then when, as in DE 44 35 894 A, the wristwatch with regard to its data content fixed transponder for access and driving authorization for the vehicle is being used. Activation and blocking of the clock only on the vehicle, i.e. in connection with vehicle use acts as one Weak point for theft protection, because then the possibility for an unauthorized User would exist, the data content of his watch unnoticed for the authorized Read users in and thus gain access authorization. It is also not reasonable for the (authorized) user when selling hand in the vehicle's watch.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren der eingangs genannten Art zu schaffen, bei dem die Zuordnung von Transponder, Armbanduhr und Fahrzeug eindeutig ermöglicht wird.The invention has for its object a method of the aforementioned Way of creating the assignment of transponder, wristwatch and vehicle is clearly made possible.

Diese Aufgabe wird für das Verfahren mit den im Patentanspruch 1 angegebenen Merkmalen gelöst. This object is for the method with those specified in claim 1 Features resolved.

Das Erteilen der Zugangsberechtigung ist somit vom Berechtigungscode und vom Identifizierungscode abhängig. Der Transponder überträgt beide Codes an das Fahrzeug. Dazu wird der Identifizierungscode von einem Speicher der Armbanduhr in einen flüchtigen Speicher des Transponders übertragen. Eine Einrichtung im Fahrzeug erteilt die Zugangsberechtigung, wenn sowohl der Berechtigungscode als auch der Identifizierungscode mit im Fahrzeug abgespeicherten Werten für den Berechtigungscode und den Identifizierungscode entspricht.The granting of access authorization is therefore from the authorization code and from Identification code dependent. The transponder transmits both codes to the Vehicle. For this purpose, the identification code is stored in a memory of the watch transferred to a volatile memory of the transponder. A facility in Vehicle grants access authorization if both the authorization code and also the identification code with values for the authorization code stored in the vehicle and corresponds to the identification code.

Vorteilhafte Weiterbildungen der Erfindung beschäftigen sich mit dem Problem des Synchronisieren von Armbanduhr und Fahrzeug. Da dieses Problem grundsätzlich ist und bereits bei der ersten Inbetriebnahme des Fahrzeugs besteht, ist eine Lösung hierfür im folgenden näher erläutert. Der Benutzer kann einen mit einem fahrzeugindividuellen Berechtigungscode versehenen, d.h. z.B. einen mit Fahrzeugdaten programmierten Transponder von einem Fahrzeughändler beziehen unter den gleichen Bedingungen, unter denen er auch einen Ersatzschlüssel erhält, z.B. durch Vorlage von Personalausweis und Fahrzeugschein. In einem Uhrenfachgeschäft kann er die entsprechende Armbanduhr erwerben. Wesentlich dabei ist, dass die Uhr mit einem individuellen Identifizierungscode, z.B. mit einer werksseitigen PIN-Nummer oder z.B. auch einer Seriennummer versehen ist.Advantageous developments of the invention deal with the problem of Synchronize watch and vehicle. Because this problem basically and already exists the first time the vehicle is started up is a solution this is explained in more detail below. The user can use one with a vehicle-specific Authorization code provided, i.e. e.g. one with vehicle data Programmed transponders from a vehicle dealer can be obtained from the same conditions under which he also receives a replacement key, e.g. by Presentation of identity card and vehicle registration. In a watch shop he can purchase the corresponding wristwatch. It is essential that the Watch with an individual identification code, e.g. with a factory PIN number or e.g. also has a serial number.

Clipst nun der Benutzer den Transponder in die Uhr ein, z.B. in einen Container im Batteriefach, so wird mittels einer Kontaktierung der Transponder mit Energie aus dem Energiespeicher der Uhr versorgt, danach selbsttätig aus dem Logikteil der Uhr den Identifizierungscode auslesen und im Transponder in einem flüchtigen Speicher (RAM) ablegen.Now the user clips the transponder into the watch, e.g. in a container in Battery compartment, the transponder is then contacted with energy supplied to the watch's energy storage, then automatically from the watch's logic section Read out the identification code and in the transponder in a volatile memory Store (RAM).

Dem Fahrzeug kann diese Uhr dann dadurch zugeordnet werden, indem z.B. mittels eines mechanischen Fahrzeugschlüssels das Fahrzeug geöffnet bzw. in Betrieb gesetzt wird und anschließend eine Transponderabfrage gestartet wird. Hierbei überträgt der Transponder neben seinem Berechtigungscode auch den Identifizierungscode, die beide im Fahrzeug gespeichert werden. Werden bei einem erneuten Zutritt wieder die beiden Codes übertragen, erkennt das Fahrzeug den Benutzer als berechtigt. Die beschriebene Identifizierung des Benutzers ist manipulationssicher, da die Speicherung des Identifizierungscodes nur dann erfolgt, wenn mit diesem auch der fahrzeugindividuelle Berechtigungscode übertragen wird.This clock can then be assigned to the vehicle by e.g. by means of a mechanical vehicle key, the vehicle is opened or in operation is set and then a transponder query is started. in this connection In addition to its authorization code, the transponder also transmits the identification code, both of which are stored in the vehicle. Will be at a new one If the two codes are transferred again, the vehicle recognizes the user as entitled. The described identification of the user is tamper-proof, since the identification code is only saved if it is used with this the vehicle-specific authorization code is also transmitted.

Wird der Energiespeicher der Armbanduhr gewechselt, geht zwar der Inhalt des flüchtigen Speichers verloren. Ein Zutritt zum Fahrzeug ist aber in der geschilderten Weise ohne Beeinträchtigung möglich. Bei Aktivierung des Uhrenenergiespeichers wird der Identifizierungscode in den RAM des Transponders eingelesen. Bei der Abfrage durch das Fahrzeug wird dieser wieder zusammen mit dem Berechtigungscode aus dem Transponder ausgelesen und im Fahrzeug anhand des dort weiterhin vorgehaltenen, von dem früheren Synchronisierungsvorgang her bekannten Identifizierungscode wiedererkannt.If the energy storage of the wristwatch is changed, the content of the volatile memory is lost. However, access to the vehicle is in the described Way possible without interference. When the clock energy storage is activated the identification code is read into the RAM of the transponder. In the When queried by the vehicle, it is returned together with the authorization code read from the transponder and continue in the vehicle using the there held identification code known from the earlier synchronization process recognized.

Wird das Fahrzeug veräußert, wird der Transponder an den neuen Besitzer übergeben. Dieser kann ihn in seine Armbanduhr einsetzen, die einen individuellen Identifizierungscode besitzt. Der neue Benutzer weist mittels des mechanischen Schlüssels seine Zutrittsberechtigung nach. Nachdem zuvor beim Einsetzen des Transponders der Identifizierungscode in den RAM des Transponders eingelesen wurde, kann dieser bei der Abfrage durch das Fahrzeug zusammen mit dem unveränderten und weiterhin gültigen Berechtigungscode aus dem Transponder ausgelesen und im Fahrzeug gespeichert werden. Der Benutzer kann somit beim Veräußern des Fahrzeugs die Uhr behalten.If the vehicle is sold, the transponder is handed over to the new owner. This can insert it into his wristwatch, which has an individual identification code has. The new user points by means of the mechanical key his access authorization. After inserting the Transponders the identification code is read into the RAM of the transponder was, this can be queried by the vehicle together with the unchanged and read the valid authorization code from the transponder and stored in the vehicle. The user can thus sell keep the watch of the vehicle.

Claims (4)

  1. Method for checking an access authorisation to a vehicle, comprising a transponder in a wristwatch which transmits an authorisation code and an identification code, which is transmitted from a memory of the wristwatch into a volatile memory of the transponder, to the vehicle, wherein a device in the vehicle grants the access authorisation when both the authorisation code and the identification code correspond with values stored in the vehicle for the authorisation code and the identification code.
  2. Method according to claim 1, characterised in that, in a learning mode, a new identification code is transmitted together with the authorisation code to the vehicle and is read into a vehicle fixed memory, the vehicle being opened by means of a mechanical vehicle key.
  3. Method according to claim 1, characterised in that, in a learning mode, a new identification code is transmitted together with the authorisation code to the vehicle and is read into a vehicle fixed memory, an ignition/starting switch being closed mechanically.
  4. Method according to any one of claims 1 to 3, characterised in that on removal of the transponder detachably arranged in the wristwatch and/or when the energy store of the wristwatch is changed, the identification code stored in the transponder is deleted.
EP99108409A 1998-05-27 1999-04-29 Identification method for a vehicle user Expired - Lifetime EP0960995B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823708A DE19823708A1 (en) 1998-05-27 1998-05-27 Identification device for the user of a vehicle
DE19823708 1998-05-27

Publications (3)

Publication Number Publication Date
EP0960995A2 EP0960995A2 (en) 1999-12-01
EP0960995A3 EP0960995A3 (en) 2002-01-02
EP0960995B1 true EP0960995B1 (en) 2004-08-04

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Application Number Title Priority Date Filing Date
EP99108409A Expired - Lifetime EP0960995B1 (en) 1998-05-27 1999-04-29 Identification method for a vehicle user

Country Status (3)

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US (1) US6525646B1 (en)
EP (1) EP0960995B1 (en)
DE (2) DE19823708A1 (en)

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Also Published As

Publication number Publication date
US6525646B1 (en) 2003-02-25
DE19823708A1 (en) 1999-12-02
DE59910100D1 (en) 2004-09-09
EP0960995A2 (en) 1999-12-01
EP0960995A3 (en) 2002-01-02

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