EP0475616B1 - Serrures de sécurité programmables - Google Patents

Serrures de sécurité programmables Download PDF

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Publication number
EP0475616B1
EP0475616B1 EP91307739A EP91307739A EP0475616B1 EP 0475616 B1 EP0475616 B1 EP 0475616B1 EP 91307739 A EP91307739 A EP 91307739A EP 91307739 A EP91307739 A EP 91307739A EP 0475616 B1 EP0475616 B1 EP 0475616B1
Authority
EP
European Patent Office
Prior art keywords
lock
signal
security code
electronic key
security
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
EP91307739A
Other languages
German (de)
English (en)
Other versions
EP0475616A1 (fr
Inventor
Michael Robinson Taylor
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.)
INCOMEFIRST LIMITED
Original Assignee
INCOMEFIRST Ltd
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 INCOMEFIRST Ltd filed Critical INCOMEFIRST Ltd
Publication of EP0475616A1 publication Critical patent/EP0475616A1/fr
Application granted granted Critical
Publication of EP0475616B1 publication Critical patent/EP0475616B1/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
    • G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
    • 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
    • G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
    • G07C9/00904—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses for hotels, motels, office buildings or the like
    • 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
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/27—Individual registration on entry or exit involving the use of a pass with central registration
    • 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
    • G07C9/20—Individual registration on entry or exit involving the use of a pass
    • G07C9/28—Individual registration on entry or exit involving the use of a pass the pass enabling tracking or indicating presence
    • 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
    • G07C9/00817—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed
    • G07C2009/00825—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the lock can be programmed remotely by lines or wireless communication

Definitions

  • This invention relates to programmable security locks and is particularly applicable to such locks for providing restricted access in hotels, commercial offices, industrial complexes and the like.
  • Programmable door locks are finding increased use throughout the world and are being used in some large hotels, where security can be an increasing problem, a programmable lock being provided for each of the hotel rooms.
  • a programmable lock being provided for each of the hotel rooms.
  • a new guest registers at a hotel, a particular room is allocated to him/her and the programmable door lock to the room is coded with a unique code which would be applicable for the duration of the guest's stay.
  • the guest is also provided with an "electronic key" which is coded with the same unique code and this allows the guest access to the hotel room when the key is inserted in the programmable door lock.
  • the programmable door lock is re-programmed with a different code so that the electronic key allocated to the departing guest no longer operates the lock of the hotel room which had been allocated to him/her.
  • the "electronic key” may take a variety of forms and my be constructed in the form of a thin strip of card or plastic, similar to a cheque card, and the code may normally be stored, for example, on a magnetic strip contained on the key or it may be electronically or optically stored within the body of the key or stored in the form of physical holes or deformations on part of the key.
  • EP-A-0 320 373 there is disclosed a programmable security lock which is programmable with a security code which controls the opening thereof, said lock comprising an electronic key which is programmable with a security code which corresponds to the security code of said lock.
  • a programmable lock is known from EP-A-0 218 251 in which means is provided for remotely interrogating the security code stored on the key of an automobile, but the lock on the automobile is not remotely programmable.
  • said electronic key will comprise a transponder arrangement, in which case said lock may comprise means for transmitting an interrogating signal to said electronic key and means for receiving a transponding signal from said electronic key, said transponding signal being indicative of the security code of said electronic key.
  • said lock comprises memory means for storing the security code of said lock, and processor means for comparing the security code of the received transponding signal from said electronic key with the security code of said memory means and for causing a lock mechanism of said lock to be opened when said security codes correspond.
  • said means for receiving a transponding signal is also effective for receiving a programming signal indicative of the security code to be programmed into said lock, said processor means being operable in response to said programming signal for causing the security code thereof to be stored in said memory.
  • a remote lock controller may be provided which includes means for transmitting said programming signal, and means for receiving a signal transmitted from said lock.
  • said lock comprises means for transmitting an alarm signal to said remote lock controller when said security codes do not correspond, or alternatively for transmitting said security code of a received transponding signal to said remote lock controller.
  • the security code of each received transponding signal may be stored in said memory means, and the security codes stored in said memory means transmitted to said remote lock controller, in which latter case the security codes stored in said memory means may be transmitted to said remote lock controller at predetermined time intervals, or in response to a signal received therefrom.
  • Actuating means may be provided for causing said means for transmitting said interrogating signal to said electronic key to be operated, said actuating means conveniently comprising a door handle, e.g. of a door on which said lock is mounted.
  • said electronic key comprises memory means for storing the security code of said key, means for receiving the interrogating signal from said lock and means for transmitting a transponding signal indicative of the security code stored in the memory means of said key.
  • an electronic key for use with a programmable security lock according to said first aspect.
  • the access control system which is to be described is based on the use of a programmable door lock which is fitted to each of the rooms of a hotel, each of the door locks being programmed with a unique code such that it can only be opened, to gain access to the room, by an electronic key which is coded with the same unique code.
  • FIG. 1 of the drawings there is shown a hotel access control system which comprises a control unit 1 which is typically located on or near the hotel reception desk.
  • a control unit 1 which is typically located on or near the hotel reception desk.
  • Each of the rooms of the hotel is fitted with a programmable door lock 2, and each guest of the hotel is provided with an electronic key 3, in the form of a "smart" card and similar to a thin pocket calculator, for gaining access to the room which has been allocated to him/her.
  • the control unit 1 comprises a reception check-in console 4, a key and lock programmer 5 and a transmitter/receiver Tx/Rx 6.
  • the receptionist When a new guest checks into the hotel, the receptionist identifies a suitable room for the guest via the check-in console 4 which also generates a suitable security code which is to be allocated to that particular room for the period that the room is to be allocated to the new guest.
  • the code generated by check-in console 4 is fed to the key and lock programmer 5 into which is inserted the electronic key 3 which is to be allocated to the new guest.
  • the key and lock programmer 5 codes the electronic key 3 with the required code and the code is also fed to the transmitter/receiver 6 where it is transmitted via aerial 7 to the programmable door lock 2, via its aerial 8, of the room which has been allocated to the new guest.
  • the coded electronic key 3 is then issued to the new guest which enables him/her to gain access, as will hereinafter be described, only to the room which has been allocated to him/her.
  • Other areas of the hotel which are provided only for the benefit of hotel guests, such as gymnasiums, saunas, swimming pools, etc. may also be provided with programmable door locks 2, which may be programmed such that any guest having a valid electronic key can gain access thereto.
  • FIG. 2 of the drawings there is shown a diagrammatic view of a programmable door lock 2 which is attached to the door 9 of a hotel room.
  • An electronic key 3 is also depicted for opening the lock 2 as will be described.
  • the lock 2 comprises a door handle 10, the spindle of which is provided with a cam 11 which, when the handle 10 is turned, causes a microswitch 12, or other suitable switch, to be operated.
  • the output from the microswitch 12 is applied to an access control module 13 which will be described in greater detail with reference to Figure 3.
  • the access control module 13 is powered from a battery 14 and is connected to the antenna 8 ( Figure 1) and to the solenoid 15 of a lock mechanism 16.
  • the lock mechanism 16 is provided with a protruding door catch 17 which normally locks the hotel door closed but which is retracted when the solenoid 15 of the lock mechanism 16 is activated to release the door.
  • the access control module 13 of Figure 2 is shown in greater detail and comprises a transmit/receive (T/R) switch 20 to which the antenna 8 is connected, a receiver (Rx) 21, a central processor unit (CPU) 22, a memory 23, a short range transmitter (Tx) 24 and input/output (I/O) driver 25 to which the lock mechanism 16 and the microswitch 12 are connected.
  • T/R transmit/receive
  • Rx receiver
  • CPU central processor unit
  • Tx central processor unit
  • Tx short range transmitter
  • I/O input/output
  • the programmable door lock 2 of Figures 2 and 3 operates as follows. Remote programming of the programmable door lock 2 is achieved by transmitting an appropriately coded signal from the transmitter/ receiver 6 of Figure 1. This signal is received by the antenna 8 and applied via T/R switch 20 to receiver 21 in which it is received and demodulated. The transmitted code is decoded by CPU 22 and stored in memory 23.
  • the interrogation signal transmitted by the antenna 8 of the programmable door lock 2 will be received by the electronic key 3.
  • the electronic key 3 responds by transmitting a transponding signal which is indicative of its own security code and this is received by the receiver 21 of Figure 3 via the antenna 8 and T/R switch 20.
  • the received security code is decoded by CPU 22 and if it corresponds to its own code stored in memory 23 it causes the solenoid 15 of the lock mechanism 16 to be activated to cause the door catch 17 ( Figure 2) to be retracted to release the door and allow access to the hotel room.
  • the received security code does not correspond to the code stored in memory 23, this may be indicative of someone trying to make a forced or illegal entry and an alarm signal is generated which is transmitted by the transmitter 24 via the aerial 8 and the T/R switch 20, to the Tx/Rx 6 of the control unit 1 of Figure 1 where it is used to inform the hotel staff of the illegal entry attempt.
  • FIG. 4 of the drawings there is shown the block schematic diagram of the electronic key 3 referred to in Figures 1 and 2.
  • an interrogation signal is received by the electronic key 3, it is received by an antenna 30 and is fed via a transmit/receive (T/R) switch 31 to a receiver 32.
  • the presence of the interrogation signal is detected by a central processor unit (CPU) 33 and the security code which has been programmed into the electronic key 3 and which is stored in memory 34 thereof is used, via an input/output (I/O) driver 35, to generate a transponding signal which is transmitted by short range transmitter 36 via the transmit/receive (T/R) switch 31 and antenna 30, back to the programmable door lock 2 which initiated the interrogation signal as has already been described.
  • CPU central processor unit
  • I/O input/output
  • the electronic key 3 does not need to be inserted in the programmable door lock and it is only necessary for it to be in the vicinity of the door lock 2 in order that it may be used to open the door lock and allow access to the hotel room.
  • the security code which is programmed into the programmable door lock 2 and electronic key 3 may take various forms dependent upon any particular application, and, in the hotel system described with reference to Figure 1 of the drawings, may typically comprise a 16 bit "GUEST” code in combination with a 12 bit “ROOM” code.
  • each transponded signal received by the receiver (Rx) 21 of the access control module 13 of Figure 3 may itself be stored in the memory 23.
  • the security codes of all of the electronic keys which have attempted to access a particular door lock, whether legitimately or illegally may be transmitted back to the control unit 1 of Figure 1. This may be done at the time the access is attempted, at predetermined time intervals or as a result of an interrogate signal transmitted by the control unit 1 to the access control module 13 of Figure 3. This would enable the hotel to have accurate information on activities taking place in the hotel.
  • the programmable door lock 2 has been fitted to a door, it could equally well be fitted, for example, to a door frame, and instead of being operated by the door handle it may be operated in some other way, e.g. by means of a manual switch or a proximity switch.
  • the integrated architecture of the electronic key allows it to be readily used as what might be called an electronic purse, charge or credit card.
  • purchases made within the hotel environs may be recorded within the electronic key 3 and debited from a pre-stored credit level or added to a running total of transaction charges.

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

Claims (14)

  1. Serrure programmable (2) de sécurité, qui peut être programmée avec un code de sécurité qui commande son ouverture, la serrure (2) comprenant une clé électronique (3) programmable par un code de sécurité qui correspond au code de sécurité de la serrure (2), caractérisée en ce que la serrure est programmable à distance et par un dispositif (13) d'interrogation à distance du code de sécurité de la clé électronique (3) dans le but de l'ouverture de la serrure (2) .
  2. Serrure selon la revendication 1, dans laquelle la clé électronique (3) comprend un ensemble à émetteur-récepteur (31-36).
  3. Serrure selon la revendication 2, comprenant un dispositif (24) d'émission d'un signal d'interrogation vers la clé électronique (3) et un dispositif (21) de réception d'un signal d'émission-réception de la clé électronique (3), le signal d'émission-réception étant représentatif du code de sécurité de la clé électronique (3).
  4. Serrure selon la revendication 3, comprenant une mémoire (23) destinée à conserver le code de sécurité de la serrure (2), un processeur (22) destiné à comparer le code de sécurité du signal d'émission-réception reçu de la clé électronique (3) au code de sécurité de la mémoire (23) et à provoquer l'ouverture d'un mécanisme (16) de la serrure (2) lorsque les codes de sécurité se correspondent.
  5. Serrure selon la revendication 4, dans laquelle le dispositif (21) de réception d'un signal d'émission-réception assure aussi la réception d'un signal de programmation représentatif du code de sécurité à programmer dans la serrure (2), le processeur (22) pouvant être commandé par le signal de programmation afin qu'il provoque la conservation du code de sécurité dans la mémoire (23).
  6. Serrure selon la revendication 4 ou 5, comprenant un organe (1) de commande à distance de serrure comportant un dispositif (6, 7) destiné à émettre le signal de programmation, et un dispositif (6, 7) destiné à recevoir un signal émis par la serrure (2).
  7. Serrure selon la revendication 6, comprenant un dispositif (22-24) destiné à émettre un signal d'alarme vers l'organe (1) de commande à distance de la serrure lorsque les codes de sécurité ne correspondent pas.
  8. Serrure selon la revendication 6, comprenant un dispositif (22-24) de transmission du code de sécurité d'un signal d'émission-réception reçu à l'organe (1) de commande à distance de la serrure.
  9. Serrure selon la revendication 8, dans laquelle le code de sécurité de chaque signal d'émission-réception reçu est conservé dans la mémoire (23), et les codes de sécurité conservés dans la mémoire (23) sont transmis à l'organe (1) de commande à distance de la serrure.
  10. Serrure selon la revendication 9, dans laquelle les codes de sécurité conservés dans la mémoire (23) sont transmis à l'organe (1) de commande à distance de serrure à des intervalles de temps prédéterminés.
  11. Serrure selon la revendication 9, dans laquelle les codes de sécurité conservés dans la mémoire (23) sont transmis à l'organe (1) de commande à distance de serrure en fonction d'un signal reçu de celui-ci.
  12. Serrure selon l'une quelconque des revendications 4 à 11, comprenant un dispositif de manoeuvre (10) destiné à provoquer la commande du dispositif de transmission du signal d'interrogation à la clé électronique (3).
  13. Serrure selon la revendication 12, dans laquelle le dispositif de manoeuvre (10) comprend une poignée de porte (10).
  14. Serrure selon l'une quelconque des revendications 3 à 13, dans laquelle la clé électronique (3) comporte une mémoire (34) destinée à conserver le code de sécurité de la clé (3), un dispositif (20, 21) destiné à recevoir le signal d'interrogation de la serrure (2), et un dispositif (20, 24) destiné à transmettre un signal d'émission-réception représentatif du code de sécurité conservé dans la mémoire (34) de la clé.
EP91307739A 1990-08-23 1991-08-22 Serrures de sécurité programmables Expired - Lifetime EP0475616B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909018531A GB9018531D0 (en) 1990-08-23 1990-08-23 Programmable security locks
GB9018531 1990-08-23

Publications (2)

Publication Number Publication Date
EP0475616A1 EP0475616A1 (fr) 1992-03-18
EP0475616B1 true EP0475616B1 (fr) 1997-04-09

Family

ID=10681114

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91307739A Expired - Lifetime EP0475616B1 (fr) 1990-08-23 1991-08-22 Serrures de sécurité programmables

Country Status (3)

Country Link
EP (1) EP0475616B1 (fr)
DE (1) DE69125553T2 (fr)
GB (2) GB9018531D0 (fr)

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GB2236354B (en) * 1989-09-06 1993-07-21 Michel Joseph Gauthier Access control devices and systems incorporating such devices
DE19520211A1 (de) * 1994-06-03 1996-02-01 Strattec Security Corp Elektronische Verriegelungsanordnung für ein Schloßsystem
JP3401940B2 (ja) * 1994-09-30 2003-04-28 ソニー株式会社 遠隔操作システム
ES2112152B1 (es) * 1995-04-03 1998-10-01 Talleres Escoriaza Sa Cerradura electronica autonoma con lector de proximidad.
US5979754A (en) * 1995-09-07 1999-11-09 Martin; Jay R. Door lock control apparatus using paging communication
EP0970434B1 (fr) * 1997-03-21 2003-09-10 Jay R. Martin Systeme d'enregistrement avec communication sans fil pour hotels
DE19923041B4 (de) * 1998-05-23 2006-11-30 Manfred Rennings Elektronischer Hotelschlüssel
DE19832516A1 (de) * 1998-07-20 2000-01-27 Schulte Schlagbaum Ag Schloß, insbesondere für eine Schließanlage
SE518554C2 (sv) * 2000-02-04 2002-10-22 Telia Ab Hantering av passerkoder
DE10011035C2 (de) * 2000-03-07 2003-04-30 Simons & Voss Gmbh Schließanlagensystem und Verfahren zum Datenaustausch in einem Schließanlagensystem
DE10012910A1 (de) * 2000-03-16 2001-09-20 Winkhaus Fa August Programmiereinrichtung für eine mittels tragbaren Transpondern zu entriegelnden Sperreinrichtungen aufweisende Schließanlage und Verfahren zur Programmierung einer Schließanlage
EP1233129A1 (fr) * 2001-02-16 2002-08-21 Sensotec AG Serrure électronique programmable et procédé de programmation d'une serrure électronique
SE527340C2 (sv) * 2003-09-04 2006-02-14 Aptus Elektronik Ab Anordning vid lås
ES2229929B2 (es) * 2003-10-02 2006-03-01 Ojmar, S.A. Cerradura electronica sin contacto.
DE102004003212B4 (de) * 2004-01-22 2007-12-13 Sommer Antriebs- Und Funktechnik Gmbh Programmiergerät für Sender-/Empfängersysteme zur berührungslosen Betätigung von Türen und Toren
US7791452B2 (en) * 2005-03-23 2010-09-07 Alarm Lock Systems, Inc. Wireless access control and event controller system
DE102011110489A1 (de) * 2011-08-17 2013-02-21 Stefan Gervink Steckdoseneinrichtung

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GB2119431B (en) * 1982-04-23 1985-05-01 Reilor Ltd Control circuit for a door
US4831374A (en) * 1983-03-14 1989-05-16 Barry Masel Electric lock system
JPS60119873A (ja) * 1983-11-29 1985-06-27 日産自動車株式会社 車両用施錠制御装置
GB2177152B (en) * 1985-07-04 1988-11-16 Kokusan Kinzoku Kogyo Co Limit Radio wave signal controlled lock arrangement
DE3536377A1 (de) * 1985-10-11 1987-04-16 Bayerische Motoren Werke Ag Sicherheitseinrichtung fuer kraftfahrzeuge
JPH0625503B2 (ja) * 1986-06-20 1994-04-06 日産自動車株式会社 解錠制御装置
FR2624181B1 (fr) * 1987-12-08 1995-05-05 Lewiner Jacques Perfectionnements aux installations de commande et de controle des differentes serrures codees d'un ensemble
GB2236354B (en) * 1989-09-06 1993-07-21 Michel Joseph Gauthier Access control devices and systems incorporating such devices

Also Published As

Publication number Publication date
GB9118130D0 (en) 1991-10-09
EP0475616A1 (fr) 1992-03-18
GB9018531D0 (en) 1990-10-10
DE69125553D1 (de) 1997-05-15
DE69125553T2 (de) 1997-11-06
GB2248266B (en) 1994-05-18
GB2248266A (en) 1992-04-01

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