EP2708681B1 - Locking cylinder for an electronic key - Google Patents

Locking cylinder for an electronic key Download PDF

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Publication number
EP2708681B1
EP2708681B1 EP13182643.0A EP13182643A EP2708681B1 EP 2708681 B1 EP2708681 B1 EP 2708681B1 EP 13182643 A EP13182643 A EP 13182643A EP 2708681 B1 EP2708681 B1 EP 2708681B1
Authority
EP
European Patent Office
Prior art keywords
antenna
core
housing
key
lock cylinder
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.)
Active
Application number
EP13182643.0A
Other languages
German (de)
French (fr)
Other versions
EP2708681A3 (en
EP2708681A2 (en
Inventor
Peter Bickert
Peter Pape
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 EP2708681A2 publication Critical patent/EP2708681A2/en
Publication of EP2708681A3 publication Critical patent/EP2708681A3/en
Application granted granted Critical
Publication of EP2708681B1 publication Critical patent/EP2708681B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G07C9/00944—Details of construction or manufacture
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/06—Controlling mechanically-operated bolts by electro-magnetically-operated detents
    • E05B47/0611—Cylinder locks with electromagnetic control
    • E05B47/0619—Cylinder locks with electromagnetic control by blocking the rotor
    • E05B47/0626—Cylinder locks with electromagnetic control by blocking the rotor radially
    • E05B47/063—Cylinder locks with electromagnetic control by blocking the rotor radially with a rectilinearly moveable blocking element
    • 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
    • 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

Definitions

  • the invention relates to a lock cylinder for an electronic key, with a movable core in a housing, with a locking channel arranged in the core for inserting the key and an antenna arranged in the housing for detecting electronic signals of the key and with an electronic locking device for optional blocking or Release of the movement of the core depending on the signals from the key.
  • Such a locking cylinder is for example from the DE 199 06 578 A1 known.
  • the antenna of the locking cylinder encloses the core, in the locking channel of which a code transmitter arranged in a shaft of the key can be inserted.
  • the code transmitter forms an oscillating circuit with the antenna, via which electronic signals can be read out without contact.
  • the activation energy for generating the resonant circuit is induced by the antenna in the code transmitter.
  • the code transmitter is encased in a plastic of the shaft of the key.
  • a disadvantage of the known lock cylinder is that a section of the core and the sheathing of the code transmitter of the key are arranged between the antenna and the code transmitter. This leads to a large distance between the antenna and the code transmitter. However, a large distance between the antenna and the code transmitter also leads to high energy consumption. Since the function of the locking cylinder is possible with its own energy supply should be ensured independently, the high energy consumption leads to short maintenance intervals.
  • the invention is based on the problem of further developing a locking cylinder of the type mentioned at the outset in such a way that it has a particularly low energy consumption.
  • signals and activation energy are transmitted wirelessly between the movable core and the fixed housing.
  • the transmission antenna in the core and the antenna in the housing are close to each other. The energy consumption for transmitting the signals and the activation energy is thus kept particularly low.
  • Transmission paths of the electronic signals of the key are kept particularly short according to the invention, since the receiving antenna is arranged in the core directly on the locking channel and is connected to the transmission antenna via electrical conductors.
  • the receiving antenna can advantageously be positioned at the point on the locking channel at which a transponder chip or a transmitting antenna connected to the transponder chip of the key inserted into the locking channel is located.
  • a transmission of activation energy to the receiving antenna in the core is particularly simple according to another advantageous development of the invention if the transmission antenna in the core and the antenna in the housing have coils. With this design, the activation energy can be transmitted inductively.
  • Losses in the transmission of the activation energy or of signals from the key can be kept particularly low according to another advantageous development of the invention if the coils of the transmission antenna in the core and the antenna in the housing are arranged concentrically to one another.
  • the invention further contributes to further reducing losses in the transmission of activation energy and signals if the receiving antenna has a coil concentrically surrounding the locking channel.
  • the lock cylinder can be secured with protective fittings against an attempt to destroy it if the antenna is spaced from the end face of the housing.
  • Security fittings are often arranged on the front side of the locking cylinder and thus on the front side of the housing, in order to protect the locking cylinder, for example, against drilling or other mechanical destruction.
  • Such security fittings dampen and interfere electrical fields and thus the transmission of signals to the antenna in the housing.
  • the arrangement of the antenna distant from the front side prevents interference with the transmission of the signals by the protective fittings.
  • Figure 1 shows a lock cylinder 1 with a core 3 rotatably mounted in a housing 2.
  • the core 3 is connected in a rotationally fixed manner to a lock bit 4.
  • the core 3 each has a locking channel 5 for inserting a key 6.
  • the locking cylinder 1 has an electromagnetic locking device 7 for optionally blocking or releasing the movement of the core 3 relative to the housing 2.
  • An antenna 8 is arranged in a region of the housing 2 that is remote from the end face of the locking cylinder 1.
  • the antenna 8 is connected to a control device 9, which controls the electromagnetic blocking device 7.
  • An energy store 10 designed as a button cell is also arranged in the housing 2.
  • the energy store 10 supplies the control device 9 and the locking device 7 with electrical energy.
  • a transmission antenna 11 of the core 3 faces the antenna 8 in the housing 2 at a short distance and is also connected via electrical conductors 12 a receiving antenna 13 arranged on the closing channel 5.
  • the key 6 has a shaft 14 designed in accordance with the locking channel 5 and a ridge 15 as a handle.
  • a code transmitter 16 is arranged in the shaft 14 of the key 6, for example in a plastic potting compound.
  • the code transmitter 16 is connected via electrical conductors 17 to a transmission antenna 18 arranged on the outer surface of the shaft 14.
  • the receiving antenna 13 of the core 3 is thus directly opposite the transmitting antenna 18 of the key 6 and has a coil 21 concentrically surrounding the locking channel.
  • Figure 2 shows the lock cylinder Figure 1 in a sectional view along the line II - II. It can be seen here that the antenna 8 in the housing 2 and the transmission antenna 11 in the core 3 each have coils 19, 20. An activation energy for reading the code transmitter 16 can be transmitted inductively via these coils 19, 20.

Description

Die Erfindung betrifft einen Schließzylinder für einen elektronischen Schlüssel, mit einem in einem Gehäuse beweglichen Kern, mit einem im Kern angeordneten Schließkanal zur Einführung des Schlüssels und einer im Gehäuse angeordneten Antenne zur Erfassung von elektronischen Signalen des Schlüssels und mit einer elektronischen Sperreinrichtung zur wahlweisen Blockierung oder Freigabe der Bewegung des Kerns in Abhängigkeit von den Signalen des Schlüssels.The invention relates to a lock cylinder for an electronic key, with a movable core in a housing, with a locking channel arranged in the core for inserting the key and an antenna arranged in the housing for detecting electronic signals of the key and with an electronic locking device for optional blocking or Release of the movement of the core depending on the signals from the key.

Ein solcher Schließzylinder ist beispielsweise aus der DE 199 06 578 A1 bekannt. Die Antenne des Schließzylinders umschließt den Kern, in dessen Schließkanal ein in einem Schaft des Schlüssels angeordneter Codegeber eingeführt werden kann. Der Codegeber bildet mit der Antenne einen Schwingkreis, über den elektronische Signale kontaktlos ausgelesen werden können. Die Aktivierungsenergie zur Erzeugung des Schwingkreises wird von der Antenne in den Codegeber induziert. Der Codegeber ist von einem Kunststoff des Schaftes des Schlüssels ummantelt.Such a locking cylinder is for example from the DE 199 06 578 A1 known. The antenna of the locking cylinder encloses the core, in the locking channel of which a code transmitter arranged in a shaft of the key can be inserted. The code transmitter forms an oscillating circuit with the antenna, via which electronic signals can be read out without contact. The activation energy for generating the resonant circuit is induced by the antenna in the code transmitter. The code transmitter is encased in a plastic of the shaft of the key.

Nachteilig bei dem bekannten Schließzylinder ist jedoch, dass zwischen der Antenne und dem Codegeber ein Abschnitt des Kerns und die Ummantelung des Codegebers des Schlüssels angeordnet sind. Dies führt zu einem großen Abstand der Antenne von dem Codegeber. Ein großer Abstand zwischen Antenne und Codegeber führt jedoch auch zu einem hohen Energieverbrauch. Da die Funktion des Schließzylinders jedoch mit einer eigenen Energieversorgung möglichst unabhängig sichergestellt sein soll, führt der hohe Energieverbrauch zu kurzen Wartungsintervallen.A disadvantage of the known lock cylinder, however, is that a section of the core and the sheathing of the code transmitter of the key are arranged between the antenna and the code transmitter. This leads to a large distance between the antenna and the code transmitter. However, a large distance between the antenna and the code transmitter also leads to high energy consumption. Since the function of the locking cylinder is possible with its own energy supply should be ensured independently, the high energy consumption leads to short maintenance intervals.

Man könnte daran denken, die Antenne im Kern unmittelbar an dem Schließkanal anzuordnen. Da die elektronische Sperreinrichtung aus Platzgründen im Gehäuse angeordnet ist, müssten die Signale von der mit dem Kern mitbewegenden Antenne beispielsweise mittels Schleifkontakte zu der feststehenden Sperreinrichtung übertragen werden. Solche Schleifkontakte sind jedoch sehr störanfällig. Weiterhin müssen solche Schleifkontakte über den gesamten Umfang des Kerns geführt werden, was zu einem hohen baulichen Aufwand führt.One could think of arranging the antenna in the core directly on the closing channel. Since the electronic locking device is arranged in the housing for reasons of space, the signals would have to be transmitted from the antenna moving with the core, for example by means of sliding contacts, to the fixed locking device. However, such sliding contacts are very susceptible to failure. Furthermore, such sliding contacts must be made over the entire circumference of the core, which leads to high construction costs.

Der Erfindung liegt das Problem zugrunde, einen Schließzylinder der eingangs genannten Art so weiter zu bilden, dass er einen besonders geringen Energieverbrauch aufweist.The invention is based on the problem of further developing a locking cylinder of the type mentioned at the outset in such a way that it has a particularly low energy consumption.

Dieses Problem wird erfindungsgemäß durch die Merkmale des unabhängigen Anspruchs 1 gelöst.According to the invention, this problem is solved by the features of independent claim 1.

Durch diese Gestaltung werden Signale und Aktivierungsenergie zwischen dem beweglichen Kern und dem feststehenden Gehäuse drahtlos übertragen. Die Übertragungsantenne im Kern und die Antenne im Gehäuse stehen jedoch einander dicht gegenüber. Damit wird der Energieverbrauch zur Übertragung der Signale und der Aktivierungsenergie besonders gering gehalten.With this design, signals and activation energy are transmitted wirelessly between the movable core and the fixed housing. However, the transmission antenna in the core and the antenna in the housing are close to each other. The energy consumption for transmitting the signals and the activation energy is thus kept particularly low.

Übertragungswege der elektronischen Signale des Schlüssels werden gemäß der Erfindung besonders kurz halten, da die Empfangsantenne in dem Kern unmittelbar am Schließkanal angeordnet ist und mit der Übertragungsantenne über elektrische Leiter verbunden ist. Hierdurch lässt sich die Empfangsantenne in vorteilhafter Weise an der Stelle am Schließkanal positionieren, an der sich ein Transponderchip oder eine mit dem Transponderchip verbundene Sendeantenne des in den Schließkanal eingeführten Schlüssels befindet.Transmission paths of the electronic signals of the key are kept particularly short according to the invention, since the receiving antenna is arranged in the core directly on the locking channel and is connected to the transmission antenna via electrical conductors. As a result, the receiving antenna can advantageously be positioned at the point on the locking channel at which a transponder chip or a transmitting antenna connected to the transponder chip of the key inserted into the locking channel is located.

Eine Übertragung von Aktivierungsenergie zu der Empfangsantenne im Kern gestaltet sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung besonders einfach, wenn die Übertragungsantenne im Kern und die Antenne im Gehäuse Spulen aufweisen. Durch diese Gestaltung lässt sich die Aktivierungsenergie induktiv übertragen.A transmission of activation energy to the receiving antenna in the core is particularly simple according to another advantageous development of the invention if the transmission antenna in the core and the antenna in the housing have coils. With this design, the activation energy can be transmitted inductively.

Verluste bei der Übertragung der Aktivierungsenergie oder von Signalen des Schlüssels lassen sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung besonders gering halten, wenn die Spulen der Übertragungsantenne im Kern und der Antenne im Gehäuse konzentrisch zueinander angeordnet sind.Losses in the transmission of the activation energy or of signals from the key can be kept particularly low according to another advantageous development of the invention if the coils of the transmission antenna in the core and the antenna in the housing are arranged concentrically to one another.

Zur weiteren Verringerung von Verlusten bei der Übertragung von Aktivierungsenergie und Signalen trägt es gemäß einer anderen vorteilhaften Weiterbildung der Erfindung bei, wenn die Empfangsantenne eine den Schließkanal konzentrisch umschließende Spule hat.According to another advantageous development of the invention, it further contributes to further reducing losses in the transmission of activation energy and signals if the receiving antenna has a coil concentrically surrounding the locking channel.

Der Schließzylinder lässt sich gemäß einer anderen vorteilhaften Weiterbildung der Erfindung mit Schutzbeschlägen gegen einen Zerstörungsversuch sichern, wenn die Antenne von der Stirnseite des Gehäuses beabstandet ist. Schutzbeschläge werden häufig an der Stirnseite des Schließzylinders und damit an der Stirnseite des Gehäuses angeordnet, um den Schließzylinder beispielsweise vor einem Aufbohren oder anderer mechanischer Zerstörung zu schützen. Solche Schutzbeschläge dämpfen und stören jedoch elektrische Felder und damit die Übertragung der Signale zu der Antenne im Gehäuse. Durch die von der Stirnseite entfernte Anordnung der Antenne wird eine Störung der Übertragung der Signale durch die Schutzbeschläge vermieden.According to another advantageous development of the invention, the lock cylinder can be secured with protective fittings against an attempt to destroy it if the antenna is spaced from the end face of the housing. Security fittings are often arranged on the front side of the locking cylinder and thus on the front side of the housing, in order to protect the locking cylinder, for example, against drilling or other mechanical destruction. Such security fittings dampen and interfere electrical fields and thus the transmission of signals to the antenna in the housing. The arrangement of the antenna distant from the front side prevents interference with the transmission of the signals by the protective fittings.

Die Erfindung lässt zahlreiche Ausführungsformen zu. Zur weiteren Verdeutlichung ihres Grundprinzips ist eine davon in der Zeichnung dargestellt und wird nachfolgend beschrieben. Diese zeigt in

Fig. 1
einen Längsschnitt durch einen erfindungsgemäßen Schließzylinder,
Fig. 2
eine Schnittdarstellung durch den Schließzylinder aus Figur 1 entlang der Linie II - II.
The invention permits numerous embodiments. To further clarify its basic principle, one of these is shown in the drawing and is described below. This shows in
Fig. 1
a longitudinal section through a lock cylinder according to the invention,
Fig. 2
a sectional view through the lock cylinder Figure 1 along the line II - II.

Figur 1 zeigt einen Schließzylinder 1 mit einem drehbar in einem Gehäuse 2 gelagerten Kern 3. Der Kern 3 ist drehfest mit einem Schließbart 4 verbunden. An seinen Stirnseiten weist der Kern 3 jeweils einen Schließkanal 5 zum Einführen eines Schlüssels 6 auf. Der Schließzylinder 1 hat eine elektromagnetische Sperreinrichtung 7 zur wahlweisen Blockierung oder Freigabe der Bewegung des Kerns 3 gegenüber dem Gehäuse 2. In einem von der Stirnseite des Schließzylinders 1 entfernten Bereich des Gehäuses 2 ist eine Antenne 8 angeordnet. Die Antenne 8 ist mit einer Steuereinrichtung 9 verbunden, welche die elektromagnetische Sperreinrichtung 7 ansteuert. In dem Gehäuse 2 ist zudem ein als Knopfzelle ausgebildeter Energiespeicher 10 angeordnet. Der Energiespeicher 10 versorgt die Steuereinrichtung 9 und die Sperreinrichtung 7 mit elektrischer Energie. Eine Übertragungsantenne 11 des Kerns 3 steht der Antenne 8 im Gehäuse 2 mit geringem Abstand gegenüber und ist über elektrische Leiter 12 mit einer am Schließkanal 5 angeordneten Empfangsantenne 13 verbunden. Figure 1 shows a lock cylinder 1 with a core 3 rotatably mounted in a housing 2. The core 3 is connected in a rotationally fixed manner to a lock bit 4. At its end faces, the core 3 each has a locking channel 5 for inserting a key 6. The locking cylinder 1 has an electromagnetic locking device 7 for optionally blocking or releasing the movement of the core 3 relative to the housing 2. An antenna 8 is arranged in a region of the housing 2 that is remote from the end face of the locking cylinder 1. The antenna 8 is connected to a control device 9, which controls the electromagnetic blocking device 7. An energy store 10 designed as a button cell is also arranged in the housing 2. The energy store 10 supplies the control device 9 and the locking device 7 with electrical energy. A transmission antenna 11 of the core 3 faces the antenna 8 in the housing 2 at a short distance and is also connected via electrical conductors 12 a receiving antenna 13 arranged on the closing channel 5.

Der Schlüssel 6 hat einen dem Schließkanal 5 entsprechend gestalteten Schaft 14 und eine Reide 15 als Handgriff. Im Schaft 14 des Schlüssels 6 ist ein Codegeber 16 beispielsweise in einer Kunststoff-Vergussmasse angeordnet. Der Codegeber 16 ist über elektrische Leiter 17 mit einer auf der Mantelfläche des Schaftes 14 angeordneten Sendeantenne 18 verbunden. Die Empfangsantenne 13 des Kerns 3 steht damit der Sendeantenne 18 des Schlüssels 6 unmittelbar gegenüber und weist eine den Schließkanal konzentrisch umschließende Spule 21 auf.The key 6 has a shaft 14 designed in accordance with the locking channel 5 and a ridge 15 as a handle. A code transmitter 16 is arranged in the shaft 14 of the key 6, for example in a plastic potting compound. The code transmitter 16 is connected via electrical conductors 17 to a transmission antenna 18 arranged on the outer surface of the shaft 14. The receiving antenna 13 of the core 3 is thus directly opposite the transmitting antenna 18 of the key 6 and has a coil 21 concentrically surrounding the locking channel.

Figur 2 zeigt den Schließzylinder aus Figur 1 in einer Schnittdarstellung entlang der Linie II - II. Hierbei ist zu erkennen, dass die Antenne 8 im Gehäuse 2 und die Übertragungsantenne 11 im Kern 3 jeweils Spulen 19, 20 aufweisen. Über diese Spulen 19, 20 lässt sich eine Aktivierungsenergie zur Auslesung des Codegebers 16 induktiv übertragen. Figure 2 shows the lock cylinder Figure 1 in a sectional view along the line II - II. It can be seen here that the antenna 8 in the housing 2 and the transmission antenna 11 in the core 3 each have coils 19, 20. An activation energy for reading the code transmitter 16 can be transmitted inductively via these coils 19, 20.

Claims (5)

  1. A lock cylinder (1) for an electronic key (6), having a core (3), which can be moved in a housing (2), having a locking channel (5) arranged in the core (3) for the introduction of the key (6) and an antenna (8) arranged in the housing (2) for the detection of electronic signals of the key (6) and having an electronic blocking device (7) for the selective blocking or release of the movement of the core (3) in dependence on the signals of the key (6), characterized in that the antenna (8) in the housing (2) is directly opposite a transmission antenna (11) in the core (3) for the contactless transmission of the signals of the key (6) and that a receiving antenna (13) is arranged in the core (3) directly on the locking channel (5) and is connected to the transmission antenna (11) via electrical conductors (12).
  2. The lock cylinder according to Claim 1,
    characterized in that the transmission antenna (11) in the core (3) and the antenna (8) in the housing (2) have coils (19, 20).
  3. The lock cylinder according to Claim 2,
    characterized in that the coils (19, 20) of the transmission antenna (11) in the core (3) and the antenna (8) in the housing (2) are arranged concentrically with respect to one another.
  4. The lock cylinder according to any one of Claims 2 or 3,
    characterized in that the receiving antenna (13) has a coil (21), which concentrically surrounds the locking channel (5).
  5. The lock cylinder according to any one of Claims 1 to 4,
    characterized in that the antenna (8) is spaced apart from the end face of the housing (2).
EP13182643.0A 2012-09-12 2013-09-02 Locking cylinder for an electronic key Active EP2708681B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012216107.4A DE102012216107A1 (en) 2012-09-12 2012-09-12 Lock cylinder for an electronic key

Publications (3)

Publication Number Publication Date
EP2708681A2 EP2708681A2 (en) 2014-03-19
EP2708681A3 EP2708681A3 (en) 2017-10-18
EP2708681B1 true EP2708681B1 (en) 2020-07-15

Family

ID=49123681

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13182643.0A Active EP2708681B1 (en) 2012-09-12 2013-09-02 Locking cylinder for an electronic key

Country Status (3)

Country Link
EP (1) EP2708681B1 (en)
DE (1) DE102012216107A1 (en)
ES (1) ES2811059T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3025236B1 (en) * 2014-09-02 2017-12-15 Cogelec LOCK CYLINDER

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3735470A1 (en) * 1987-10-20 1989-05-03 Franzen Sicherheitstechnik Gmb Locking device having contact-free data and electrical power transmission between the lock and key
DE4422081C2 (en) * 1994-06-24 1996-07-18 Telefunken Microelectron Locking system with a key module
DE19906578B4 (en) 1999-02-17 2012-09-20 Aug. Winkhaus Gmbh & Co. Kg Key for a lock cylinder
DE19940246A1 (en) * 1999-08-25 2001-03-08 Winkhaus Fa August Locking device
DE50113103D1 (en) * 2000-07-21 2007-11-22 Hid Gmbh Locking cylinder with an arrangement for contactless transmission of a signal
DE102005019170A1 (en) * 2005-04-25 2006-10-26 C. Ed. Schulte Gmbh Zylinderschlossfabrik A cylinder lock has the cylinder normally uncoupled to the locking bolt and a coded key by which the coupling is completed by means of data transfer through aerial coils behind the face of the lock

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2708681A3 (en) 2017-10-18
ES2811059T3 (en) 2021-03-10
DE102012216107A1 (en) 2014-03-13
EP2708681A2 (en) 2014-03-19

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