EP0153499B1 - Dispositif de commande - Google Patents

Dispositif de commande Download PDF

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Publication number
EP0153499B1
EP0153499B1 EP84116366A EP84116366A EP0153499B1 EP 0153499 B1 EP0153499 B1 EP 0153499B1 EP 84116366 A EP84116366 A EP 84116366A EP 84116366 A EP84116366 A EP 84116366A EP 0153499 B1 EP0153499 B1 EP 0153499B1
Authority
EP
European Patent Office
Prior art keywords
receiver
control device
coded information
information
transmitter
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
EP84116366A
Other languages
German (de)
English (en)
Other versions
EP0153499A2 (fr
EP0153499A3 (en
Inventor
Bernd Rumpf
Martin Tibken
Andreas-Assis Timur
Helmut Pfalzgraf
Klaus-Peter Rathmann
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
Original Assignee
Mannesmann VDO 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=6228736&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0153499(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mannesmann VDO AG filed Critical Mannesmann VDO AG
Publication of EP0153499A2 publication Critical patent/EP0153499A2/fr
Publication of EP0153499A3 publication Critical patent/EP0153499A3/de
Application granted granted Critical
Publication of EP0153499B1 publication Critical patent/EP0153499B1/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
    • G07C9/00309—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
    • G07C2009/00428—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 periodically after a time period
    • G07C2009/00452—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 periodically after a time period by the lock
    • 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
    • G07C2009/00428—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 periodically after a time period
    • G07C2009/00468—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 periodically after a time period after n uses
    • 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
    • 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
    • G07C2009/00785—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 light

Definitions

  • the invention relates to a control device for locking and / or unlocking a security device, in particular a motor vehicle locking device, with a transmission device supplied by a power source, which has a code generator for generating coded information stored in it and an emitter of the coded information, with one of them second power source supplied receiver device, the receiving means for receiving the coded information, a memory in which the coded information is stored, and a comparator for comparing the received information with the stored information, wherein in the event of a match of this information, a control signal from the receiver device is deliverable to the safety device.
  • Such control devices are e.g. Known from WO 83/03697, are used in particular as a door lock for motor vehicle doors and already have a high level of security against unauthorized opening of the motor vehicle doors.
  • the object of the invention is to provide a control device according to the preamble, which prevents unauthorized unlocking of the safety device with high security.
  • the receiver device has a signal generator for generating further coded information and the further coded information can be stored in the memory of the receiver device and can be emitted by a transmitter of the receiver device, and in that the transmitter device encodes a receiver for receiving the further coded information Has information and the further coded information can be stored in the memory of the transmitting device while deleting the first coded information.
  • a control device interacting with the key parts and lock parts is known per se from EP-A-0 098 437. This increases the variety of key data.
  • the coded information can be changed as often as desired, so that even if the coded information is recorded, a later unauthorized opening of the security device is prevented if a recoding has been carried out.
  • the recoding process of both the receiver device and the transmitter device takes place automatically after it has been initiated.
  • the signal generator is preferably an oscillator connected to the receiver device. Absolute security against a reconstruction of the recoded information is achieved in that a random pulse sequence can be generated by the oscillator.
  • the control device can be constructed with an extremely small footprint, which is particularly important when used in motor vehicles, since there is only a small installation space available.
  • the generation, transmission and storage of the further coded information can preferably be switched on by a switch of the receiver device.
  • the transmitter can be switched on by a switch.
  • the broadcasting of the first coded information by the transmitting device and / or the transmission of the further coded information by the receiving device takes place in a multiple interval.
  • the power source of the receiver device is preferably the battery of the motor vehicle.
  • the transmitter device can be location-independent of the receiver device and is preferably arranged in an ignition key of the motor vehicle. This is easily possible when using a microprocessor, without the construction volume being significantly larger than with conventional ignition keys. In addition to the ignition key, there is no need for the driver to carry any other parts with him.
  • the power source of the transmitter device is a DC power source, e.g. As a cell, it can be easily accommodated in an ignition key and is easily replaceable by the driver.
  • the receiver device has a second transmitter, from which information can be emitted after the control signal of the receiver device has been delivered to the safety device, and if the information of the second transmitter can be detected by a receiver of the transmitter device and a signal device can be controlled by the receiver, the operator is always on Signal given when the receiver device has actually correctly captured the encoded information.
  • the signal device is preferably a tone generator.
  • a tone generator is advantageous when used on motor vehicle doors, since no operating noises can be heard at today's door locks and thus the operator does not know after actuation of the transmitting device whether the safety device has actually been activated.
  • first and second transmitters are infrared elements.
  • the emitter and / or the first transmitter and / or the second transmitter can be a light-emitting diode.
  • the receiving means and / or the first receiver and / or the second receiver are preferably a phototransistor.
  • control device described can be used both to initiate an opening process and to initiate a closing process. But it is also possible that an unchangeable code signal is used for the closing process.
  • a particular advantage of the control device is that it is not necessary to already enter coded information. Coding is carried out solely by switching on the receiver device for generating and transmitting and storing the coded information and thereby storing coded information both itself and the transmitter device. Thus, only identical structural units are required for the transmitter device as well as for the receiver device, which considerably simplifies and reduces the cost of replacement and the bearing bracket. Is e.g. an ignition key provided with a transmitter is lost, only a new ignition key needs to be coded by actuating the ignition switch.
  • the only figure of the drawing shows a circuit diagram of a control device according to the invention.
  • the control device shown has a transmitting device 1 and a receiving device 2.
  • the receiver device 2 can be arranged in a motor vehicle for controlling a motor vehicle locking device and the transmission device can be arranged in an ignition key of the motor vehicle.
  • the transmission device 1 has a microprocessor 3, which is connected to a quartz crystal 4, a tone generator 5 and a switch 6 designed as a push-button switch for switching on the transmission device 1.
  • the power supply is provided by a direct current source 7.
  • An output 8 of the microprocessor 3 leads via an amplifier 9 to a light-emitting diode forming an emitter 10.
  • a receiver 11 formed by a phototransistor is connected via an amplifier 12 to a coding input 13 of the microprocessor 3. Furthermore, the receiver 11 is also connected to an activation input 14 of the microprocessor 3. This activation input 14 can also be controlled by the switch 6 via a diode 15.
  • the receiver device 2 also has a microprocessor 16 with a quartz crystal 17.
  • the microprocessor 16 is connected to the power source of the motor vehicle (terminal 30) via the connection 18.
  • the connection 19 is connected to the ignition switch (terminal 15) of the motor vehicle, so that the microprocessor 16 is actuated with each starting process.
  • the inputs 20 of the microprocessor 16 are each assigned to a locking device arranged in a door of the motor vehicle and can be used to actuate the microprocessor 16 by mechanical actuation by means of a key if the normal function of the control device is disturbed.
  • An oscillator 22 generating a random pulse sequence is connected to a further input 21 of the microprocessor 16.
  • a transmitter 24 formed by a light-emitting diode is connected to an output of the microprocessor 16 via an amplifier 23.
  • another transmitter 26, which is formed by a light-emitting diode is also connected to an output of the microprocessor 16 via an amplifier 25.
  • Receiving means 27 formed by a phototransistor are connected via an amplifier 28 to an input of the microprocessor 16.
  • Each of the three outputs 29 of the microprocessor 16 leads to a locking device for the central locking of the motor vehicle and transmits the control signal emitted by the microprocessor 16.
  • the function of the control device is as follows.
  • the microprocessor 3, which is normally not activated, of the transmitting device 1 is activated by closing the switch 6 both via the diode 15 with an activation signal and also to deliver the coded information stored in it via the emitter 10.
  • This coded information is received by the receiving means 27 of the receiver device 2 and is increasingly supplied to the microprocessor 16.
  • the comparator contained in the microprocessor 16 compares the received information with the coded information stored in the memory of the microprocessor 16. If the received information matches the stored information, the microprocessor 16 outputs an acknowledgment information via the amplifier which is emitted by the transmitter 24.
  • the microprocessor 16 outputs a control signal via the outputs 29 that the locking devices, not shown, are controlled in the opening or closing direction.
  • the acknowledgment information emitted by the transmitter 24 is received by the receiver 11 of the transmission device 1 and fed to the microprocessor via the amplifier 12. At the same time, the microprocessor 3 is also activated by this signal.
  • the microprocessor 3 controls the tone generator 5 to emit a tone. This tone indicates to the operator that the entire control process has been completed properly.
  • the microprocessor 16 is controlled via the connection 19 in such a way that a random pulse sequence is fed to it from the oscillator 22, which the microprocessor 16 stores in its memory while deleting the previously stored coded information.
  • this random pulse sequence is fed via the amplifier 25 to the transmitter 26, which emits this coded information.
  • This new coded information is received by the receiver 11 of the transmission device 1, which thereby both activates the microprocessor 3 and also feeds the coded information to the microprocessor 3 via the amplifier 13. This now saves the new coded information by deleting the previously stored coded information.
  • the microprocessor 3 is only activated when it is actually performing a function, the power consumption of the transmitting device is kept very low.

Landscapes

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

Claims (18)

1. Dispositif de commande destiné au verrouillage et/ou au déverrouillage d'un dispositif de sécurité, en particulier d'un dispositif de verrouillage de véhicule automobile, comportant un dispositif émetteur alimenté par une source de courant, qui est doté d'un élément de codage, destiné à produire une information codée, qui y a été mise en mémoire, et d'un élément d'émission par rayonnement de l'information codée, comportant également un dispositif récepteur alimenté par une deuxième source de courant, lequel présente des moyens de réception destinés à la réception de l'information codée, uns mémoire dans laquelle est stockée l'information codée et un dispositif de comparaison destiné à comparer l'information reçue et l'information stockée, un signal de commande de mise en action pouvant être délivré au dispositif de sécurité par le dispositif récepteur pour le cas où ces informations concordent, dispositif de commande caractérisé en ce que le dispositif récepteur (2) présente un élément de production de signal, en vue de produire une autre information codée, et en ce que l'autre information codée peut être stockée dans la mémoire du dispositif récepteur (2) ainsi qu'être émise par rayonnement par un émetteur '(26) du dispositif récepteur (2), en ce que le dispositif émetteur (1) est doté d'un récepteur (11) destiné à recevoir l'autre information codée, et en ce que l'autre information codée peut être stockée dans la mémoire du dispositif émetteur (1), avec effacement de la première information codée.
2. Dispositif de commande selon la revendication 1, caractérisé en ce que l'élément de production de signal est un oscillateur (22) relié au dispositif récepteur (2).
3. Dispositif de commande selon la revendication 2, caractérisé en ce qu'une suite aléatoire d'impulsions peut être produite par l'oscillateur (22).
4. Dispositif de commande selon l'une des revendications précédentes, caractérisé en ce que l'élément de création de code, faisant partie du dispositif d'émission (1) et/ou de l'élément de comparaison et de la mémoire du dispositif récepteur (2) est un microprocesseur (16).
5. Dispositif de commande selon l'une des revendications précédentes, caractérisé en ce que la production et la transmission, ainsi que le stockage de l'autre information codée peuvent être mis en marche au moyen d'un interrupteur du dispositif récepteur (2).
6. Dispositif de commande selon la revendication 5, caractérisé en ce que l'interrupteur est l'interrupteur d'allumage (borne 15) du véhicule automobile.
7. Dispositif de commande selon l'une des revendications précédentes, caractérisé en ce que le dispositif émetteur (1) peut être mis en marche au moyen d'un interrupteur (6).
8. Dispositif de commande selon l'une des revendications précédentes, caractérisé en ce que l'émission, par rayonnement, de la première information codée par le dispositif émetteur (1) et/ou l'émission, par rayonnement, de l'autre information codée par le dispositif récepteur (2), s'effectuent dans un intervalle multiple.
9. Dispositif de commande selon l'une des revendications précédentes, caractérisé en ce que la source de courant du dispositif récepteur (2) est la batterie du véhicule automobile.
10. Dispositif de commande selon l'une des revendications précédentes, caractérisé en ce que le dispositif émetteur (1) est indépendant du dispositif récepteur (2) en ce qui concerne son emplacement.
11. Dispositif de commande selon la revendication 10, caractérisé en ce que le dispositif d'émission (1) est disposé à l'intérieur d'une clé d'allumage du véhicule automobile.
12. Dispositif de commande selon l'une des revendications précédentes, caractérisé en ce que la source de courant du dispositif émetteur (1) est une source (7) de courant continu.
13. Dispositif de commande selon l'une des revendications précédentes, caractérisé en ce que le dispositif récepteur (2) présente un deuxième émetteur (24) qui, après l'émission du signal de commande de ce dispositif (2), peut émettre par rayonnement une information destinée au dispositif de sécurité.
14. Dispositif de commande selon la revendication 13, caractérisé en ce que l'information du deuxième émetteur (24) peut être captée par un récepteur (11) du dispositif émetteur (1) et en ce qu'un dispositif émetteur de signal est susceptible d'être commandé par le récepteur (11).
15. Dispositif de commande selon la revendication 14, caractérisé en ce que le dispositif émetteur de signal est un générateur (5) de son.
16. Dispositif de commande selon l'une des revendications précédentes, caractérisé en ce que l'élément (10) d'émission par rayonnement, le premier et le deuxième émetteur (24 et 26), ainsi que le moyen de réception (27) le premier récepteur et le second récepteur (11 et 27) sont des éléments à infrarouge.
17. Dispositif de commande selon la revendication 16, caractérisé en ce que l'élément (10) d'émission par rayonnement et/ou le premier émetteur (26) et/ou le second émetteur (24) sont des diodes luminescentes.
18. Dispositif de commande selon la revendication 16, caractérisé en ce que le moyen de réception (27) et/ou le premier récepteur (11) et/ ou le second récepteur (27) sont des phototransistors.
EP84116366A 1984-02-24 1984-12-27 Dispositif de commande Expired - Lifetime EP0153499B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843406746 DE3406746A1 (de) 1984-02-24 1984-02-24 Steuervorrichtung
DE3406746 1984-02-24

Publications (3)

Publication Number Publication Date
EP0153499A2 EP0153499A2 (fr) 1985-09-04
EP0153499A3 EP0153499A3 (en) 1988-04-20
EP0153499B1 true EP0153499B1 (fr) 1990-10-10

Family

ID=6228736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84116366A Expired - Lifetime EP0153499B1 (fr) 1984-02-24 1984-12-27 Dispositif de commande

Country Status (2)

Country Link
EP (1) EP0153499B1 (fr)
DE (2) DE3406746A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3613666A1 (de) * 1986-04-23 1987-10-29 Bks Gmbh Verfahren zur bidirektionalen datenuebertragung und danach arbeitendes elektronisches schlosssystem
FR2640559B1 (fr) * 1988-12-20 1993-04-23 Renault Systeme de support de donnees pour vehicule
DE4213141C2 (de) * 1992-04-22 2000-04-27 Mannesmann Vdo Ag Verfahren zur Erzeugung und Übertragung von Funktionsbefehlen
GB2301397B (en) * 1994-02-17 1998-07-15 Rover Group Vehicle security system
DE69501206T2 (de) * 1994-02-17 1998-05-28 Rover Group Sicherheitssystem für fahrzeuge
DE4441415C2 (de) * 1994-11-22 2003-06-18 Audi Ag Verfahren für die Handhabung von Ersatzschlüsseln
IT1279267B1 (it) * 1995-02-17 1997-12-09 Nice Srl Perfezionato sistema di telecomando per trasmissione di segnali codificati munito di trasmettitore di servizio capace di
DE19513498C1 (de) * 1995-04-10 1996-06-27 Daimler Benz Ag Elektronischer Fahrzeugschlüssel
DE19607117A1 (de) * 1996-02-26 1997-08-28 Nsm Ag Einrichtung zur Kontrolle des Türverschlußzustandes an einem Objekt
DE29613136U1 (de) * 1996-08-02 1997-11-27 Rösler, Klaus-Dieter, Dipl.-Ing., 28844 Weyhe Schloß- oder Zugangsberechtigungssystem
DE19632025C2 (de) * 1996-08-08 1998-07-23 Daimler Benz Ag Authentikationseinrichtung mit elektronischer Authentikationskommunikation
US6049289A (en) * 1996-09-06 2000-04-11 Overhead Door Corporation Remote controlled garage door opening system
DE19755092A1 (de) * 1997-12-11 1999-06-17 Bosch Gmbh Robert System zur Kontrolle der Zugangsberechtigung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4209782A (en) * 1976-08-05 1980-06-24 Maximilian Wachtler Method and circuit arrangement for the electronically controlled release of door, safe and function locks using electronically coded keys
IL56713A0 (en) * 1979-02-21 1979-05-31 Amcor Bm Electronic coded locks
DE3213479A1 (de) * 1982-04-10 1983-10-13 Pietschmann, Siegbert, 6500 Mainz Steuervorrichtung auf infrarotbasis
DE3225754A1 (de) * 1982-07-09 1984-01-12 Hülsbeck & Fürst GmbH & Co KG, 5620 Velbert Verfahren zur schliesswirksamen wechselwirkung eines schluesselartigen teils mit einem schlossartigen teil

Also Published As

Publication number Publication date
EP0153499A2 (fr) 1985-09-04
EP0153499A3 (en) 1988-04-20
DE3406746A1 (de) 1985-08-29
DE3483393D1 (de) 1990-11-15

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