EP1429295A2 - Clé pour un cylindre de serrure et système de fermeture - Google Patents

Clé pour un cylindre de serrure et système de fermeture Download PDF

Info

Publication number
EP1429295A2
EP1429295A2 EP03103875A EP03103875A EP1429295A2 EP 1429295 A2 EP1429295 A2 EP 1429295A2 EP 03103875 A EP03103875 A EP 03103875A EP 03103875 A EP03103875 A EP 03103875A EP 1429295 A2 EP1429295 A2 EP 1429295A2
Authority
EP
European Patent Office
Prior art keywords
transponder
key
interference
code
locking
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.)
Granted
Application number
EP03103875A
Other languages
German (de)
English (en)
Other versions
EP1429295A3 (fr
EP1429295B1 (fr
Inventor
Ralf Fahrenhorst
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.)
Aug Winkhaus GmbH and Co KG
Original Assignee
Aug Winkhaus GmbH and Co KG
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 Aug Winkhaus GmbH and Co KG filed Critical Aug Winkhaus GmbH and Co KG
Publication of EP1429295A2 publication Critical patent/EP1429295A2/fr
Publication of EP1429295A3 publication Critical patent/EP1429295A3/fr
Application granted granted Critical
Publication of EP1429295B1 publication Critical patent/EP1429295B1/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
    • G07C2009/00555—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
    • G07C2009/00777—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 induction

Definitions

  • the invention relates to a key for a locking cylinder with one shaft and one reed and with one Transponder for transmitting a code to a code receiver of the lock cylinder, the transponder in one Area of the key is arranged in which it is shaft inserted into the locking cylinder to the code receiver faces.
  • the invention further relates to a locking system with at least one shaft Key and with at least one one Locking channel for the locking cylinder with the shaft, where the key is a transponder for storage and transmission of a code and the lock cylinder has a code receiver to collect the code.
  • Such a key is, for example, from DE 199 06 457 A1 known.
  • a single transponder arranged in the shaft of the key. With an introduction an activation signal of the shaft in the lock cylinder generated, which activates the transponder.
  • the transponder is located in the locking channel introduced state in an optimal for the code receiver electrical coupling position. As a result for to bridge the signal transmission only a very short way is, this arrangement enables a very small Sending and receiving power of the code receiver and the Transponders and thus a particularly low energy consumption.
  • DE 35 15 888 A1 also discloses a locking device, in which a key-side induction element arranged as a transponder in the tip of the shaft is.
  • a lock cylinder induction element as The code receiver is located at the bottom of the locking channel. This also makes a particularly short path between the Transponder and the code receiver ensured.
  • a disadvantage of the known keys is that they are an activation signal with sufficient field strength Send code.
  • a Station the code of the one not in the lock cylinder Key and one in the lock cylinder introduced induction adapter can be sent.
  • the lock cylinder could be unlocked.
  • the problem underlying the invention is a key of the type mentioned at the outset so that reading of the code from one near the key Station is significantly more difficult.
  • a locking system is to be created in which a Reading out signals of the key by means of a key located near a station Unlocking the lock cylinder leads.
  • the first-mentioned problem is solved by that in an area distant from the transponder at least one in frequency and the transponder Signal type essentially corresponding interference transponder is arranged and that the interference transponder for generation an interference signal deviating from the code is.
  • This design allows for the arrangements of the transponder and the interference transponder in the key specify that only the one transmitting the code in the locking cylinder Transponder is read out. Tried to the transponder transmitting the code from one, albeit read out from a short distance, the Interference transponder signals also read out. A division of signals received by the transponder together and the interference transponder and thus a clear detection of the code is usually within a very short period of time, in which the lock cylinder on the activation signal expected the code, almost impossible. So that the code of the key according to the invention no longer from a distance be read out.
  • a major advantage of the key according to the invention is that security against unauthorized access Unlocking locking cylinders in an existing one Locking system simply by exchanging the keys and if necessary, a setting of the code receiver in Lock cylinder can be increased.
  • the interference transponder an authentication concept corresponding to the transponder having.
  • the authentication concept is of a fixed change of code queries between the code receiver in the locking cylinder and in the transponder fixed and for example by a mathematical Algorithm described.
  • the key can be advantageous according to another Further development of the invention is particularly inexpensive manufacture if the interference transponder is a so-called number chip is.
  • Number chips generate a simple signal sequence, which, for example, corresponds to a number as soon as they receive the activation signal.
  • the invention when the code of the transponder and the interference signal of the interference transponder is digital are and use the same working frequency.
  • the second problem namely the creation of a Locking system, in which reading signals from the Key using a key located near the key Not to unlock the station Lock cylinder leads, is solved according to the invention in that that the key is generating a jammer transponder of an interference signal and that the reception power and / or direction of reception of the code receiver in the Key channel inserted shaft exclusively trained to detect the code of the transponder is.
  • This design gives the station a mix from the code of the transponder and the interference signal of the Störtransponders. Since a separation of the interference signal from the code is difficult or if the Interference transponders is not possible, can with the read Signals from the locking cylinder cannot be unlocked.
  • An alarm when an unauthorized attempt to unlock of the lock cylinder can be advantageous Training of the invention simply trigger when the lock cylinder is connected to the code receiver Evaluation unit has, and if the evaluation unit one has electronic memory for the interference signal. In order to an unauthorized manipulation attempt can be detected and possibly to an intrusion detection device be directed. This is both with radio and with wired locking systems possible.
  • Opening the locking cylinder leaves the interference signal detection not to.
  • the assignment to the key number of the key used is possible. So that can Holders of this key receive a warning about the attempted Misuse of the key can be transmitted.
  • the owner of the key with which the unauthorized attempt the locking cylinder has been unlocked, can be determined using the key identifier.
  • Figure 1 shows a lock cylinder 1 with a rotatable in a housing 2 core 3.
  • the core 3 is non-rotatably connected to a lock bit 4. His
  • the end faces of the core 3 each have a closing channel 5 with round cross sections for inserting a key 6 on.
  • the key 3 has a locking channel 5 corresponding designed round shaft 7 and a reide 8 as a handle.
  • the 8 carries a driver 9 with radially protruding Web 10 for positive engagement in one Slot 11 of the core 3.
  • a transponder 12 is arranged while there is an interference transponder between transponder 12 and reide 8 13 is located.
  • the lock cylinder 1 has an electric one Memory 14 and an electromagnetic locking mechanism 15 for blocking or unblocking the movement of the core 3. Furthermore, the lock cylinder 1 a code receiver 16 and an evaluation unit 17 with an electronic memory 18.
  • the code receiver 16 is close to the beginning, coaxial with the closing channel 5 and thus immediately around the transponder 12 in the locking channel 5 inserted key 6 arranged around. Of the interference transponder 13, the code receiver 16 therefore has one greater distance than from the transponder 12.
  • the insertion of the key 6 in the locking channel 5 is from a switch 19 detected.
  • the switch 19 points in the drawn position in a circumferential groove 20th the shaft 7 of the key 6 penetrating ball 21 on.
  • the switch 19 sends a signal, causing the code receiver 16 generates an activation signal.
  • the activation signal causes at least the transponder 12 to be generated an intended code.
  • the code can be in one the mathematical algorithm stored in the transponder 12 and the activation signal are formed.
  • the Code receiver 16 receives the code of the transponder 12.
  • the evaluation unit 17 outputs depending on the code the locking mechanism 15 freely or prevents its activation. Due to the spatial arrangement and orientation of the code receiver 16 and the transponder 12 and of the interference transponder 13 ensures that the Interference transponder 13 receives no activation signal and / or that interference signals of the interference transponder 13 are not are detected by the code receiver 16.
  • Figure 2 shows the key 6 of Figure 1 in a strong enlarged view in front of a not to a lock cylinder belonging receiving station 22. If an attempt is made with such a receiving station 22 the code of the transponder Read 12, the interference transponder 13 generates Interference signal with a code corresponding to the transponder 12 Frequency and intensity. This will make the code of the transponder 12 from the interference signal of the interference transponder 13 overlaid. The receiving station 22 can therefore the code of the transponder 12 itself from a small one Distance to key 6 not to be read out undisturbed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
EP03103875A 2002-12-13 2003-10-21 Clé pour un cylindre de serrure et système de fermeture Expired - Lifetime EP1429295B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10258230A DE10258230A1 (de) 2002-12-13 2002-12-13 Schlüssel für einen Schließzylinder und Schließanlage
DE10258230 2002-12-13

Publications (3)

Publication Number Publication Date
EP1429295A2 true EP1429295A2 (fr) 2004-06-16
EP1429295A3 EP1429295A3 (fr) 2005-10-12
EP1429295B1 EP1429295B1 (fr) 2010-08-18

Family

ID=32319076

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03103875A Expired - Lifetime EP1429295B1 (fr) 2002-12-13 2003-10-21 Clé pour un cylindre de serrure et système de fermeture

Country Status (4)

Country Link
EP (1) EP1429295B1 (fr)
AT (1) ATE478402T1 (fr)
DE (2) DE10258230A1 (fr)
ES (1) ES2348379T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10431028B2 (en) 2016-07-29 2019-10-01 Continental Automotive France Method of defense against an attack relay action on a remote activation of a function present in an automotive vehicle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294720A (en) * 1994-09-20 1996-05-08 Nigel Janson A transponder key holder
DE29714999U1 (de) * 1997-08-21 1997-10-09 Trebe Elektronik Gmbh & Co Kg Vorrichtung zum Schutz eines Transponders gegen unbefugtes Ablesen und/oder Löschen und/oder Überschreiben der Daten des Transponders
DE19906578A1 (de) * 1999-02-17 2000-08-24 Winkhaus Fa August Schlüssel für einen Schließzylinder

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3149259A1 (de) * 1981-12-11 1983-06-23 Bayerische Motoren Werke AG, 8000 München Diebstahl-sicherungsvorrichtung fuer kraftfahrzeuge
DE3240945A1 (de) * 1982-11-05 1984-05-10 Bayerische Motoren Werke AG, 8000 München Diebstahl-sicherungsvorrichtung fuer kraftfahrzeuge
DE3324956A1 (de) * 1983-07-11 1985-01-24 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur elektronischen ver- und entriegelung von sicherheitsanlagen
DE4003280C5 (de) * 1990-02-03 2007-06-28 Bayerische Motoren Werke Ag Sicherheitseinrichtung für Kraftfahrzeuge
EP1227017B1 (fr) * 2001-01-30 2004-04-07 Siemens Aktiengesellschaft Procédé pour la mise en oeuvre d'un système de contrôle d'accès, notamment pour un véhicule automobile, et système de contrôle d'accès
EP1371027A1 (fr) * 2001-03-19 2003-12-17 Burg-Wächter Kg Cle et dispositif de fermeture

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294720A (en) * 1994-09-20 1996-05-08 Nigel Janson A transponder key holder
DE29714999U1 (de) * 1997-08-21 1997-10-09 Trebe Elektronik Gmbh & Co Kg Vorrichtung zum Schutz eines Transponders gegen unbefugtes Ablesen und/oder Löschen und/oder Überschreiben der Daten des Transponders
DE19906578A1 (de) * 1999-02-17 2000-08-24 Winkhaus Fa August Schlüssel für einen Schließzylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10431028B2 (en) 2016-07-29 2019-10-01 Continental Automotive France Method of defense against an attack relay action on a remote activation of a function present in an automotive vehicle

Also Published As

Publication number Publication date
ATE478402T1 (de) 2010-09-15
EP1429295A3 (fr) 2005-10-12
EP1429295B1 (fr) 2010-08-18
DE10258230A1 (de) 2004-06-24
ES2348379T3 (es) 2010-12-03
DE50312998D1 (de) 2010-09-30

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