EP1484858A1 - Methode pour l assemblage functionnel des composants d un dispositif d authentification ainsi que dispositif d authentification - Google Patents
Methode pour l assemblage functionnel des composants d un dispositif d authentification ainsi que dispositif d authentification Download PDFInfo
- Publication number
- EP1484858A1 EP1484858A1 EP04012990A EP04012990A EP1484858A1 EP 1484858 A1 EP1484858 A1 EP 1484858A1 EP 04012990 A EP04012990 A EP 04012990A EP 04012990 A EP04012990 A EP 04012990A EP 1484858 A1 EP1484858 A1 EP 1484858A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- base station
- transmitter
- transmitters
- programming unit
- programming
- 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
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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
- G07C9/00857—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 data carrier can be programmed
-
- 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
- G07C9/00857—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 data carrier can be programmed
- G07C2009/00865—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 data carrier can be programmed remotely by wireless communication
Definitions
- the invention relates to a method for functional marriage of Components of an authentication device with each other, which device one or more mobile identification transmitters serving as keys (ID transmitter) and at least one assigned to an object Base station includes.
- the invention further relates to an authentication device with one or more keys mobile identification transmitters (ID transmitters), at least one of an object assigned base station and a programming device.
- Such authentication devices are used to query an authorization to trigger a specific action by an identification transmitter, when it reaches the area of a base station.
- authentication mechanisms are used, for example, for checking the access authorization of a person carrying a mobile identification transmitter Person, for example regarding access to a building or the like.
- Authentication devices of this type are used also to monitor a flow of goods.
- a such identification transmitter of an individual product or a batch For example, be assigned to a pallet to monitor whether and possibly also when it leaves a warehouse, for example.
- Keyless entry control devices each include an object to be monitored of a door, a gate or the like assigned reader and one or more mobile identification transmitters (ID transmitter).
- ID transmitters are transponders.
- the communication between such an ID transmitter and the base station can take place, for example, on an HF radio link. It exists both systems where one-way communication between the ID transmitter and the base station for authentication of the ID transmitter takes place, as well as those systems in which a bidirectional Communication between these two elements of the access authorization control device takes place to perform authentication. With such an authentication, a data comparison takes place between Data stored in the ID transmitter and transmitted to the base station and a review of this data for authorization, open the door or the like controlled by this base station to be allowed.
- the communication usually contains a cryptic one Key, a so-called cryptcode.
- Such access authorization control devices are known where customer and property specific the ID transmitters and the readers are saved by the manufacturer a specific identifier in the ID transmitter (s) and or the readers can be programmed or initialized. The facility the individual components are referred to as "getting married". These access authorization control devices must therefore, before you start using it, you must be familiar with how many as Key ID transmitters and how many readers are required. It must also be known which ID transmitter from which reading device as should be recognized with access authorization. As long as all parameters before the functional marriage of the individual components to one another are known through the measures described above, this is not a problem. In the event, however, that the number of objects assigned ID transmitters or readers must be enlarged, all Units of such an access authorization control device new to be married to each other. The same applies if individual ID transmitters must be lost and replaced with new ones.
- DE 41 34 922 C2 describes a system for controlling access to objects became known in which the reader or readers by the individual ID transmitter can be programmed. This enables the use of unprogrammed Readers, so that an object extension by a The use of other readers is basically possible.
- ID transmitters are still preprogrammed by the manufacturer. So when you use this system you are at a Retrofitting of ID transmitters still depends on the manufacturer.
- this prior art system can be hierarchical It is difficult to implement locking structures, since every ID transmitter also works simultaneously Is a data carrier and therefore basically program every reader can.
- the invention lies Task based on a generic method mentioned at the outset to further develop such that an authentication device, such as a keyless access control device only in terms of use and number of readers but also with regard to the use and number of ID transmitters with larger numbers Variability and can be set up with simple measures.
- an authentication device such as a keyless access control device only in terms of use and number of readers but also with regard to the use and number of ID transmitters with larger numbers Variability and can be set up with simple measures.
- An authentication device is used to marry each other between one or more readers - which are readers in connection with the invention due to its programming the ID transmitter Characteristics called base stations - with those ID donors by one or more of those involved in the establishment Base stations should be recognized as authorized, that the cryptcode used to operate the facility is not initialized components initially only the programming unit and thus a single, in particular mobile element of the authentication device is known.
- This cryptcode is used when the Setup of this programming unit, also called a master transmitted to each base station. With the transfer of the Cryptcodes on each base station - a process that takes place at every base station is carried out - each is defined and labeled Base station.
- All base stations assigned to a programming unit receive their individual identification in this way.
- the programming unit is an element of the authentication device so that without further ado as with the initialization of a base station An existing object with additional base stations can be. These only need in the manner described to be initialized by the programming unit.
- An initialization the ID transmitter belonging to the authentication device takes place in one second initialization step by the base stations, all ID transmitters that this base station should recognize as authorized, initialized or programmed by this base station. This On the one hand, initialization includes a transmission of the programming unit transmitted to the base station in a previous step Kryptcodes.
- the cryptcode is only transmitted if it was previously recognized as part of a query that this ID transmitter has not yet received a cryptcode or at least the one for communication does not know the cryptcode serving this base station.
- this base station creates an individual identification assigned to the individual ID transmitters and transferred to them. With this individual identification is then carried out using the given Authentication control using cryptcodes. Is in an ID transmitter the cryptcode used for this object has already been saved, then this ID transmitter is only assigned its individual identification. This is the case, for example, if this ID transmitter previously at another base station with regard to transmission of the cryptcode has already been initialized and the programming on each other Base station serves the purpose of this base station this ID transmitter to make known about its eligibility.
- each ID transmitter of this authentication device by one or more on the authentication device Base stations involved make it clear that for configuration the authentication device only unprogrammed ID transmitters are needed. The same applies to the use of the required Base stations, which in turn - as described above - by the programming unit initialized and programmed. So this can Mass production access control device elements be removed. An individualization of the individual Components only take place if these components with the help a programming unit in the manner described be functionally married. Consequently, it is not just a retrofit Base stations unproblematic, but in particular can without further ID transmitters are added to the system and above all lost ones can also be replaced by new ones. This method is particularly suitable as part of a keyless access control system.
- each ID transmitter via an NF part and a HF part to be available, however, the NF line and thus the NF part of the ID transmitter also used to separate the ID transmitter from one Wake up sleep or sleep mode to put it into its operating mode to be able to switch in which the HF part of the ID transmitter for communication started up with a base station.
- Data is transmitted to program the ID transmitters on the NF line on the NF route expediently only with a very low field strength, so for this purpose the ID transmitter in immediate Must be kept close to the base station.
- the change in Field strength can vary due to the different operating mode of the base station - Programming or initialization mode or control mode - respectively.
- Communication between the programming unit and the base station for initializing and programming the base stations is also done on a short-range communication route. This can also be carried out on a NF route.
- a programming or initialization of the base stations by the programming unit also on another route, for example an infrared route or also be provided contact-related.
- the programming unit itself is mobile so that it can be sent to the individual, in base stations distributed to an object can be brought. It is therefore generally not necessary with this method that the Base stations are networked with each other.
- the programming unit itself generally does not need to be actively programmable; rather can the programming of the individual base stations by the programming unit yourself. This is then expediently more active Transponder designed to work.
- the programming unit can therefore do the same be made small, like the individual ID transmitters. Conveniently, the programming unit differs in color or in others However, by the individual ID providers.
- a counter namely a base station counter and an ID transmitter counter. This has under Another advantage is that for storing the individual elements only a small memory requirement is required and in particular also that access to authorization data possibly assigned to an ID transmitter is possible much more quickly than would be the case if the entire memory for the identification of, for example, an ID transmitter should be searched.
- the use of a counter serves in this case as an order number or address to access if necessary to receive further existing data.
- Such an access authorization control device can easily be used in addition to the appropriately provided mobile passive programming unit an active programming unit can also be assigned. With This then gives you the option to set certain authorizations in the delete individual base stations, for example in the event that a ID transmitter has been lost.
- an active programming unit can the base stations with regard to the authorization levels of the individual ID transmitter can be programmed.
- the authorization of the ID transmitters known to this base station stored data can, for example, a time authorization in the Framework of a keyless access authorization control facility included, according to which certain ID transmitters can only be used within a specific one Time zone can be embedded in an object as authorized.
- permission levels can also be designed in this way, for example be within the framework of an access authorization control facility Access to a particular ID provider is only permitted if next to this ID transmitter Another ID transmitter in the communication area of the base station is arranged.
- the described method and the described authentication device can be easily combined with other known systems and / or overlay them.
- a keyless access authorization control device 1 comprises a plurality, an object 2 associated with base stations B 1, B 2, three ID transmitter ID 1 - ID 3 and serving as a programming unit master M.
- the base stations B 1, B 2 are within the object 2 are each a door assigned and serve the purpose of operating the access authorization control device 1 upon detection of an ID transmitter defined as authorized to unlock the door assigned to the respective base station B 1 , B 2 and, if necessary, to open it by motor.
- the ID transmitters ID 1 - ID 3 are the mobile keys that can communicate with the base stations B 1 , B 2 on an HF link to carry out the authentication query.
- the ID transmitters ID 1 - ID 3 are transponders.
- the ID transmitters ID 1 - ID 3 and the base stations B 1 and B 2 take place with the aid of a crypt code. Furthermore, the ID transmitters ID 1 - ID 3 and also the base stations B 1 and B 2 are identified with an individual identification in order to assign different authorizations for the use of the base stations B 1 and B 2 to the ID transmitters ID 1 - ID 3 to be able to. For this purpose, the base stations B 1 , B 2 must be functionally married to those identification transmitters ID 1 - ID 3 which are each to be recognized as authorized by a base station B 1 , B 2 , so that when an ID transmitter recognized as authorized is detected, the desired door is unlocked or opened by a motor.
- the master M serves for the purpose of marrying the components of the access authorization device 1.
- the master M is a mobile passive programming unit.
- the Master M differs from the ID transmitters ID 1 - ID 3 by a slightly larger design and by a different color coding of its housing.
- a master code is stored in the master M in an electronic storage medium, with which the bidirectional communication between a base station B 1 or B 2 and an ID transmitter ID 1 , ID 2 or ID 3 is to take place.
- the Master M also contains two counters - a base station counter and an ID transmitter counter.
- the master M and the base stations B 1 , B 2 belonging to the access authorization control device 1 can communicate with one another on an NF line, the range of this communication being limited to a few centimeters. Communication between the master M and a base station B 1 , B 2 is thus possible if the master M is held against a base station B 1 , B 2 .
- the base stations B 1 , B 2 and also the ID transmitters ID 1 - ID 3 each comprise an RF transmit / receive part for handling the bidirectional communication in an access authorization control operation of the access authorization control device 1.
- the base stations B 1 , B 2 further comprise an NF transmitting-receiving part; the ID transmitters ID 1 - ID 3 comprise an LF receiving part.
- a programming or initialization of the ID transmitters ID 1 - ID 3 is carried out by the base stations B 1 and B 2 on the NF route, whereby it is provided that confirmation signals as feedback from the ID transmitters ID 1 - ID 3 to the respective base station B 1 or B 2 are transmitted on the HF link. In principle, it can also be provided that such feedback or acknowledgment signals are also sent on the NF route.
- the ID transmitters ID 1 - ID 3 also comprise an LF transmission unit.
- the base stations B 1 , B 2 and also the ID transmitters ID 1 - ID 3 originate from a mass production and have no individual features before their functional marriage to one another and their assignment to the object 2, which would be necessary in the context of the description of the invention.
- these elements - base stations and ID transmitters - can be assigned to any access authorization control device 1 or any object before they are initialized.
- the master M is held in the immediate vicinity of the base station B 1 , so that the master M can communicate with the base station B 1 on an LF radio link.
- the master M is placed directly on the base station B 1 .
- the master M enters the LF transmission area of the base station B 1 , this is woken up and transmits a first signal to the base station B 1 , with which the programming mode of the base station B 1 is opened. In this programming mode, bidirectional communication can take place between the master M and the base station B 1 .
- the master M checks whether the base station B 1 has already received an individual identification (identifier). This can be done, for example, by querying an identification memory. If the memory is empty, the base station - in this case the base station B 1 - is neither functionally assigned to the object 2 nor to the access authorization control device 1. In this case, the master M transmits a base station identification, an object identifier and a crypt code to the base station B 1 . All transmitted data are stored in the base station B 1 . The transmitted cryptcode is expediently stored on a different storage medium than the transmission of the base station identification and the object identifier.
- the base station identification in the illustrated embodiment is an element of a row of counters. Since the base station B 1 is initialized and programmed as an example when the access authorization control device 1 is initialized, it receives the counter element "1" as the base station identification.
- the object identifier transmitted is a suitable identifier for the object 2 represents After successfully transmitting and storing said data from the master M to the base station B 1 an acknowledgment is received from the base station B 1 to the master M.
- the base station counters of the master M. is then increased by one counter so that the first counter cannot be reassigned.
- the base station identification of the next base station to be programmed and initialized, for example base station B 2 is thus clearly specified with the next counter.
- the programming of the base station B 1 is basically ended after receiving the feedback from the base station B 1 to the master M. By removing the master M from the base station B 1 , the latter automatically switches from its programming mode to the access authorization control operating mode.
- This communication takes place between the base station B 1 and the ID transmitter ID 3 on an LF radio link.
- This is woken up and switched to its programming mode.
- the programming of the ID transmitter ID 3 is basically carried out in the same way as the programming of the base station B 1 by the master M.
- a first query in the exemplary embodiment shown it is queried whether the ID transmitter ID 3 is the one in the base station B 1 stored cryptcode is known. This can be done, for example, by reading out the cryptcode memory of the ID transmitter ID 3 . If the cryptographic code memory of the ID transmitter ID 3 is empty, the ID transmitter ID 3 has so far neither been programmed nor initialized. The ID transmitter ID 3 is therefore a new one.
- the base station B 1 transmits the cryptcode, the object identifier and an ID transmitter identification to the ID transmitter ID 3 .
- the base station B 1 has an ID transmitter counter that basically works like the base station counter of the master M described above. If the ID transmitter ID 3 is the first ID transmitter that is authorized to access this base station B 1 is to be programmed, it receives the ID transmitter identification "1". The subsequent ID transmitters to be programmed by the base station B 1 as part of this programming process, for example the ID transmitters ID 1 , ID 2 , then successively receive the following elements of this row of counters, namely the ID transmitter identifications "2" or " 3 ".
- the ID transmitter ID 3 sends a response to the base station B 1 .
- the ID transmitter counter of the base station B 1 is then increased by one counter. In the event that further ID transmitters are to be initialized by base station B 1 or programmed as authorized to access, these are successively brought into the close range of base station B 1 and initialized or programmed in the same way. If the ID transmitter programming or initialization is completed, the feedback previously described is sent from the base station B 1 to the master M. This feedback also contains information about the number of ID transmitters set up by the base station B 1 in the course of the previous initialization or programming.
- the master M comprises an ID transmitter counter which is set by this feedback.
- the counter of the master M is at position "4".
- the base station when a base station is programmed, the base station also sends the "ID transmitter counter" count of the master M, so that during programming of the ID transmitter ID 3 as authorized to access the base station B 2, which would receive the counter element "4" as the ID transmitter identification. In this way, every authorization recognition is possible via the ID transmitter identification.
- the ID transmitter When programming the ID transmitter with regard to the access authorization to several base stations, for example the base stations B 1 and B 2, they receive an identifier that is independent of each base station B 1 or B 2 . Therefore, in order to identify the individual ID transmitters ID 1 - ID 3 , complex identifiers can be dispensed with.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10325089A DE10325089A1 (de) | 2003-06-04 | 2003-06-04 | Verfahren zum funktionellen Verheiraten der Komponenten einer Authentisierungseinrichtung miteinander sowie Authentisierungseinrichtung |
DE10325089 | 2003-06-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1484858A1 true EP1484858A1 (fr) | 2004-12-08 |
EP1484858B1 EP1484858B1 (fr) | 2005-10-05 |
Family
ID=33154528
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04012990A Active EP1484858B1 (fr) | 2003-06-04 | 2004-06-02 | Methode pour l assemblage functionnel des composants d un dispositif d authentification ainsi que dispositif d authentification |
Country Status (4)
Country | Link |
---|---|
US (1) | US7054616B2 (fr) |
EP (1) | EP1484858B1 (fr) |
AT (1) | ATE306160T1 (fr) |
DE (2) | DE10325089A1 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060061482A1 (en) * | 2004-09-23 | 2006-03-23 | Patrick Monney | RFID auto-connect for wireless devices |
US7436300B2 (en) * | 2004-11-12 | 2008-10-14 | Microsoft Corporation | Wireless device support for electronic devices |
JP4509863B2 (ja) * | 2005-05-27 | 2010-07-21 | 株式会社東芝 | 無線基地局と無線端末 |
US7755505B2 (en) | 2006-09-06 | 2010-07-13 | Lutron Electronics Co., Inc. | Procedure for addressing remotely-located radio frequency components of a control system |
US7880639B2 (en) * | 2006-09-06 | 2011-02-01 | Lutron Electronics Co., Inc. | Method of establishing communication with wireless control devices |
US7768422B2 (en) | 2006-09-06 | 2010-08-03 | Carmen Jr Lawrence R | Method of restoring a remote wireless control device to a known state |
TWI421726B (zh) * | 2008-07-01 | 2014-01-01 | Avermedia Information Inc | 無線簡報系統與應用其上之配對方法 |
JP5835485B2 (ja) * | 2012-07-18 | 2015-12-24 | 日本電気株式会社 | 無線基地局、移動通信システム、ハンドオーバ制御方法およびプログラム |
US9363836B2 (en) * | 2013-04-01 | 2016-06-07 | Silver Spring Networks, Inc. | Secure management of radio transmissions in an endpoint device of a network |
US10769562B2 (en) | 2016-03-16 | 2020-09-08 | Triax Technologies, Inc. | Sensor based system and method for authorizing operation of worksite equipment using a locally stored access control list |
US11170616B2 (en) | 2016-03-16 | 2021-11-09 | Triax Technologies, Inc. | System and interfaces for managing workplace events |
US11810032B2 (en) | 2016-03-16 | 2023-11-07 | Triax Technologies, Inc. | Systems and methods for low-energy wireless applications using networked wearable sensors |
US10528902B2 (en) * | 2016-03-16 | 2020-01-07 | Triax Technologies, Inc. | System and interfaces for managing workplace events |
Citations (5)
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DE4134922C1 (fr) * | 1991-10-23 | 1992-12-03 | Anatoli 3013 Barsinghausen De Stobbe | |
WO1999002377A1 (fr) * | 1997-07-05 | 1999-01-21 | Leopold Kostal Gmbh & Co. Kg | Dispositif de controle d'acces sans cle pour vehicules a moteur et procede pour realiser un controle d'autorisation d'acces sans cle dans un vehicule a moteur |
US20020049904A1 (en) * | 2000-08-24 | 2002-04-25 | Juergen Nowottnick | Access system with possibility of learing unknown access keys |
WO2002065403A1 (fr) * | 2001-02-15 | 2002-08-22 | Leopold Kostal Gmbh & Co. Kg | Dispositif de commande d'autorisation d'acces sans cle |
WO2002067205A1 (fr) * | 2001-02-15 | 2002-08-29 | Leopold Kostal Gmbh & Co. Kg | Dispositif de controle d'autorisation d'acces sans cle et emetteur d'identification associe |
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US71714A (en) * | 1867-12-03 | Benjamin day ot | ||
US14953A (en) * | 1856-05-27 | Secttkietg nuts to cabkiage-axles | ||
US89429A (en) * | 1869-04-27 | Improved animal-trap | ||
JPH1039685A (ja) * | 1996-07-26 | 1998-02-13 | Canon Inc | 画像形成装置及びプロセスカートリッジ |
US6323566B1 (en) * | 1996-10-10 | 2001-11-27 | Texas Instruments Incorported | Transponder for remote keyless entry systems |
FI980427A (fi) * | 1998-02-25 | 1999-08-26 | Ericsson Telefon Ab L M | Menetelmä, järjestely ja laite todentamiseen |
IT1305533B1 (it) * | 1998-06-30 | 2001-05-09 | Alessandro Manneschi | Apparato e metodo operativo per la rivelazione e lettura ditrasponder nel passaggio controllato |
DE19900415B4 (de) | 1999-01-08 | 2008-02-21 | Leopold Kostal Gmbh & Co. Kg | Verfahren zum Durchführen einer schlüssellosen Zugangsberechtigungskontrolle für Kraftfahrzeuge |
EP1018692B1 (fr) * | 1999-01-08 | 2006-06-28 | Anatoli Stobbe | Système de sécurité, transpondeur et dispositif de réception |
DE19902797C1 (de) | 1999-01-25 | 2000-06-21 | Kostal Leopold Gmbh & Co Kg | Schlüssellose Zugangskontrolleinrichtung für Kraftfahrzeuge sowie Verfahren zum Durchführen einer schlüssellosen Zugangsberechtigungskontrolle bei Kraftfahrzeugen |
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DE10004615C2 (de) * | 2000-02-03 | 2003-08-07 | Siemens Ag | Berechtigungskontrollsystem, insbesondere für ein Kraftfahrzeug |
DE50112712D1 (de) * | 2000-02-21 | 2007-08-23 | E Plus Mobilfunk Gmbh & Co Kg | Verfahren zum festellen der authentizität der identität eines dienste-nutzers und vorrichtung zum durchführen des verfahrens |
US7136999B1 (en) * | 2000-06-20 | 2006-11-14 | Koninklijke Philips Electronics N.V. | Method and system for electronic device authentication |
EP1302374B1 (fr) * | 2001-10-16 | 2007-05-02 | Siemens Aktiengesellschaft | Procédé d'initialisation d'un système de contrôle d'accès avec plusieurs clées electroniques et plusieurs objéts |
FR2834156B1 (fr) * | 2001-12-20 | 2004-03-05 | Gemplus Card Int | Procede d'acces a un service par un moyen radiofrequence associe a un objet portable a puce electronique |
US7050947B2 (en) * | 2002-01-04 | 2006-05-23 | Siemens Vdo Automotive Corporation | Remote control communication including secure synchronization |
US6961541B2 (en) * | 2002-05-24 | 2005-11-01 | Aeroscout, Inc. | Method and apparatus for enhancing security in a wireless network using distance measurement techniques |
US7231041B2 (en) * | 2003-08-19 | 2007-06-12 | General Motors Corporation | Method, device, and system for secure motor vehicle remote keyless entry |
-
2003
- 2003-06-04 DE DE10325089A patent/DE10325089A1/de not_active Withdrawn
-
2004
- 2004-05-21 US US10/851,723 patent/US7054616B2/en not_active Expired - Fee Related
- 2004-06-02 DE DE502004000084T patent/DE502004000084D1/de active Active
- 2004-06-02 EP EP04012990A patent/EP1484858B1/fr active Active
- 2004-06-02 AT AT04012990T patent/ATE306160T1/de active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4134922C1 (fr) * | 1991-10-23 | 1992-12-03 | Anatoli 3013 Barsinghausen De Stobbe | |
WO1999002377A1 (fr) * | 1997-07-05 | 1999-01-21 | Leopold Kostal Gmbh & Co. Kg | Dispositif de controle d'acces sans cle pour vehicules a moteur et procede pour realiser un controle d'autorisation d'acces sans cle dans un vehicule a moteur |
US20020049904A1 (en) * | 2000-08-24 | 2002-04-25 | Juergen Nowottnick | Access system with possibility of learing unknown access keys |
WO2002065403A1 (fr) * | 2001-02-15 | 2002-08-22 | Leopold Kostal Gmbh & Co. Kg | Dispositif de commande d'autorisation d'acces sans cle |
WO2002067205A1 (fr) * | 2001-02-15 | 2002-08-29 | Leopold Kostal Gmbh & Co. Kg | Dispositif de controle d'autorisation d'acces sans cle et emetteur d'identification associe |
Also Published As
Publication number | Publication date |
---|---|
ATE306160T1 (de) | 2005-10-15 |
US7054616B2 (en) | 2006-05-30 |
DE10325089A1 (de) | 2004-12-30 |
EP1484858B1 (fr) | 2005-10-05 |
DE502004000084D1 (de) | 2006-02-16 |
US20040248556A1 (en) | 2004-12-09 |
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