EP0675249B1 - Verfahren zum Steuern der Benutzung eines Kraftfahrzeugs mit Hilfe eines aus zwei Teilen bestehenden Codesignals - Google Patents
Verfahren zum Steuern der Benutzung eines Kraftfahrzeugs mit Hilfe eines aus zwei Teilen bestehenden Codesignals Download PDFInfo
- Publication number
- EP0675249B1 EP0675249B1 EP95101016A EP95101016A EP0675249B1 EP 0675249 B1 EP0675249 B1 EP 0675249B1 EP 95101016 A EP95101016 A EP 95101016A EP 95101016 A EP95101016 A EP 95101016A EP 0675249 B1 EP0675249 B1 EP 0675249B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- code signal
- code
- vehicle
- part code
- read
- 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
Links
Images
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
- G07C9/20—Individual registration on entry or exit involving the use of a pass
- G07C9/21—Individual registration on entry or exit involving the use of a pass having a variable access code
-
- 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
- G07C2009/00388—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 code verification carried out according to the challenge/response method
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
- G07C2009/0042—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed
- G07C2009/00476—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed dynamically
- G07C2009/00484—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal containing a code which is changed dynamically whereby the code is a variable code
-
- 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
Definitions
- the invention relates to a method according to the Preamble of claim 1.
- the structure of the code signal from two parts is fundamental known from German Patent 29 28 913. there the two partial code signals are usually without special Collateral readable. This results in that Problem that the content of the code signal is unjustified can be copied and thus for the unauthorized it is possible to use the motor vehicle.
- the invention has for its object a method of the type mentioned to create an improved Safety when using the motor vehicle with simple means achieved. This task is accomplished by the characterizing features of claim 1 solved.
- the invention is further illustrated by the drawing.
- This shows the dialogue between in the manner of a flow chart a portable code memory and a vehicle-fixed Code comparator.
- the one shown in diagrams a to f This dialogue is preferably carried out wireless.
- the code memory S sits in a portable housing Z (svw. ignition key). It has a block structure like it is known in principle from DE 42 05 567 A1.
- the Blocks marked with numbers 1 to 7 are in the frame of the invention only with regard to blocks 1 to 3 of interest.
- Block 1 is not part of one shown access control device for blocks 1 to 7, which cooperate with the memory S Microprocessor (not shown) provided in the housing Z. is.
- the access control device is controlled by indicator RFB for the number of the first readable memory blocks and RLB for the number of the as last readable memory block. Access to the access control facility can also be password protected his. It is essential that the Access control device only from one in the motor vehicle provided or contained code comparator V controlled can be.
- the code comparator is not in detail shown. He sits in the car and takes the from Memory S readable contents of the memory blocks.
- the one explained below and using diagrams a to f Dialog should, for example, when inserting and pressing the mechanical ignition key in an ignition lock respectively. But it is just as possible to do this Dialogue in addition or instead when unlocking the Motor vehicle to make.
- the memory S sits for this in an ignition key Z, which is in a not shown Castle is introduced and a query by the Code comparator V triggers.
- the dialogue is preferably carried out wirelessly with the help of a coil Sp, through a Transmitter IC is controlled.
- the first (diagram a) is that contained in block 3 first partial code signal read out and via the coil Sp in entered the code comparator V.
- the indicator contains RFB the designation of the first block (3) that can be read out is.
- This first partial code signal contains information individualized for each memory or key and is not changed. So that will it is possible for the code comparator V, one of several authorized users based on those contained in block 3 Recognize key identification.
- the information contained in block 2 represents the second Partial code signal that is now read out and in the comparator V with the corresponding reference part code signal is compared. If there is also agreement here, i.e. is the total of the two partial code signals Code signal identical to the expected code signal, the comparator switches a drive control unit M free.
- the comparator V is a new second Partial code signal written back. It can happen is a random number. This gets through on the an arrow path to the memory S and is as new change code stored in block 2. This process is shown in diagram d.
- the content of the memory S in stage f differs from that in level a in terms of content of block 2. This content is no longer readable, on the other hand, however, he is initially opposed to it (Diagram a) existing content changed. So that will the change code is protected against reading. On the other hand even if it succeeds, the change code anyway "cracking" ensured that after the next Use of the motor vehicle by the turn changed change code a protection against an abusive Use of the motor vehicle is reached.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Lock And Its Accessories (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
Claims (5)
- Verfahren zum Steuern der Benutzung eines Kraftfahrzeugs mit Hilfe eines aus zwei Teilen bestehenden Codesignals, das in einem vom Benutzer getragenen Codespeicher (S) enthalten ist, mit einem im Kraftfahrzeug enthaltenen Codevergleicher (V), in den das Codesignal eingegeben wird und der bei Übereinstimmung mit einem Referenz-Codesignal die Benutzung freigibt, dadurch gekennzeichnet, daß mittels einer durch den Codevergleicher (V) gesteuerten Zugangskontrolleinrichtung nur jeweils ein Teil-Codesignal für einen Auslesevorgang freigegeben wird und daß die Freigabe für ein zweites Teil-Codesignal (2) nur dann vorgenommen wird, wenn ein erstes ausgelesenes Teil-Codesignal (3) mit dem entsprechenden Referenz-Teil-Codesignal übereinstimmt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das zuerst ausgelesene Teil-Codesignal speicherspezifisch individualisiert ist und nicht verändert wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das zweite Teil-Codesignal bei jeder Benutzung des Kraftfahrzeugs verändert wird.
- Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß das zweite Teil-Codesignal während einer vorangegangenen Benutzung des Kraftfahrzeugs eingeschrieben wird.
- Verfahren nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß das zweite Teil-Codesignal nach dem Einschreiben erneut ausgelesen wird und daß bei Übereinstimmung mit dem eingeschriebenen Teil-Codesignal durch die Zugangskontrolleinrichtung das erste Teil-Codesignal allein zum Lesen freigegeben wird.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4411435 | 1994-03-31 | ||
| DE4411435A DE4411435A1 (de) | 1994-03-31 | 1994-03-31 | Verfahren zum Steuern der Benutzung eines Kraftfahrzeugs mit Hilfe eines aus zwei Teilen bestehenden Codesignals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0675249A1 EP0675249A1 (de) | 1995-10-04 |
| EP0675249B1 true EP0675249B1 (de) | 2001-07-18 |
Family
ID=6514475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95101016A Expired - Lifetime EP0675249B1 (de) | 1994-03-31 | 1995-01-26 | Verfahren zum Steuern der Benutzung eines Kraftfahrzeugs mit Hilfe eines aus zwei Teilen bestehenden Codesignals |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5811885A (de) |
| EP (1) | EP0675249B1 (de) |
| DE (2) | DE4411435A1 (de) |
| ES (1) | ES2159576T3 (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19533309A1 (de) * | 1995-09-08 | 1997-03-13 | Bayerische Motoren Werke Ag | Schlüssel für Kraftfahrzeuge |
| DE19608777A1 (de) * | 1996-03-07 | 1997-09-11 | Telefunken Microelectron | System zur Identifizierung eines Fahrzeuges |
| DE19622255A1 (de) * | 1996-06-03 | 1997-12-04 | Werner Dipl Ing Eckel | Elektronisches Zugangsberechtigungssystem und Verfahren zum Feststellen eines berechtigten Zugangs |
| DE19637657A1 (de) * | 1996-09-16 | 1998-03-19 | Bosch Gmbh Robert | Fahrzeugsicherungsanordnung |
| US6009355A (en) | 1997-01-28 | 1999-12-28 | American Calcar Inc. | Multimedia information and control system for automobiles |
| DE19713607A1 (de) * | 1997-04-02 | 1998-10-08 | Bayerische Motoren Werke Ag | Fernbedienungseinrichtung mit einem Sender für ein drahtlos übermitteltes Freigabesignal |
| JP3959219B2 (ja) * | 2000-01-31 | 2007-08-15 | クラリオン株式会社 | 車両無線データ通信システム |
| US6522251B1 (en) | 2000-06-07 | 2003-02-18 | Caterpillar Inc | Method and apparatus for securing an earth moving machine |
| US6563474B2 (en) * | 2000-12-21 | 2003-05-13 | Lear Corporation | Remote access device having multiple inductive coil antenna |
| DE10204346A1 (de) * | 2002-02-01 | 2003-08-14 | Atmel Germany Gmbh | Verfahren zur Auswahl von Transpondern |
| DE10207295A1 (de) * | 2002-02-21 | 2003-09-04 | Arvinmeritor Gmbh | Karosserieanbauteil und Verfahren zu seiner Herstellung |
| US20040207511A1 (en) * | 2003-04-21 | 2004-10-21 | Technology Advancement Group, Inc. | System and method for securely activating a mechanism |
| DE10336308A1 (de) * | 2003-08-01 | 2005-03-03 | Atmel Germany Gmbh | Verfahren zur Auswahl eines oder mehrerer Transponder |
| DE10349647B4 (de) * | 2003-10-21 | 2006-08-10 | Atmel Germany Gmbh | Verfahren zur Auswahl eines oder mehrerer Transponder |
| US8817928B2 (en) | 2010-06-01 | 2014-08-26 | Ternarylogic Llc | Method and apparatus for rapid synchronization of shift register related symbol sequences |
| US10375252B2 (en) | 2010-06-01 | 2019-08-06 | Ternarylogic Llc | Method and apparatus for wirelessly activating a remote mechanism |
| DE102010043705B4 (de) * | 2010-11-10 | 2024-02-08 | Bks Gmbh | Schließeinrichtung |
| DE102011120779B4 (de) * | 2011-12-09 | 2022-02-17 | Volkswagen Aktiengesellschaft | Verfahren sowie Steuermittel und System zur manuellen Einschaltung einer Hochvoltspannung für ein Fahrzeug |
| US12056549B1 (en) | 2015-06-28 | 2024-08-06 | Lcip Jv | Method and apparatus for activating a remote device |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4209782A (en) * | 1976-08-05 | 1980-06-24 | Maximilian Wachtler | Method and circuit arrangement for the electronically controlled release of door, safe and function locks using electronically coded keys |
| DE2911160A1 (de) * | 1979-03-22 | 1980-10-02 | Daimler Benz Ag | Vorrichtung zum verhindern unbefugter inbetriebsetzung von fahrzeugen |
| DE2928913C2 (de) * | 1979-07-18 | 1988-03-24 | Bayerische Motoren Werke AG, 8000 München | Diebstahl-Sicherungsvorrichtung für Kraftfahrzeuge |
| US4492959A (en) * | 1981-06-24 | 1985-01-08 | Nissan Motor Company, Limited | Keyless entry system for an automotive vehicle |
| DE3225754A1 (de) * | 1982-07-09 | 1984-01-12 | Hülsbeck & Fürst GmbH & Co KG, 5620 Velbert | Verfahren zur schliesswirksamen wechselwirkung eines schluesselartigen teils mit einem schlossartigen teil |
| DE3313098C1 (de) * | 1983-04-12 | 1984-10-11 | Daimler-Benz Ag, 7000 Stuttgart | Elektronisches Schloßsystem |
| JPS6065875A (ja) * | 1983-09-19 | 1985-04-15 | 日産自動車株式会社 | 車両用施錠制御装置 |
| JPS62101769A (ja) * | 1985-10-28 | 1987-05-12 | 国産金属工業株式会社 | 車輌の電波錠システム |
| DE3613605A1 (de) * | 1986-04-22 | 1987-11-05 | Reinhard Hergert | Diebstahlsicherung fuer kraftfahrzeuge |
| JPH0732499B2 (ja) * | 1988-08-16 | 1995-04-10 | 日産自動車株式会社 | 施解錠制御システム |
| IT1227401B (it) * | 1988-12-06 | 1991-04-08 | Delta Elettronica Spa | Dispositivi per la trasmissione a distanza di comandi in sicurezza |
| DE3905651A1 (de) * | 1989-02-24 | 1990-08-30 | Daimler Benz Ag | Verfahren zur sicherung von codeworten eines fernwirksystems und fernwirksystem mit durch codeworte uebertragbarem code |
| EP0410024B1 (de) * | 1989-07-24 | 1994-09-21 | Siemens Aktiengesellschaft | Elektronisches Schliesssystem |
| AU7661091A (en) * | 1990-04-06 | 1991-10-30 | Siemens Aktiengesellschaft | Central locking installation for a motor vehicle |
| IT1253068B (it) * | 1991-07-01 | 1995-07-10 | Medardo Reggiani | Antifurto ad inserimento passivo |
| DE4123654A1 (de) * | 1991-07-17 | 1993-01-21 | Bayerische Motoren Werke Ag | Verfahren zum erkennen eines im fahrzeuginnern eingeschlossenen tragbaren transponders |
| DE4239271A1 (de) * | 1991-11-21 | 1993-10-14 | Thomson Brandt Gmbh | Diebstahlabsicherung mit Sende-Empfangs-Prinzip |
| DE4205567A1 (de) | 1992-02-22 | 1993-08-26 | Philips Patentverwaltung | Verfahren zum steuern des zugriffs auf einen speicher sowie anordnung zur durchfuehrung des verfahrens |
| US5191610A (en) * | 1992-02-28 | 1993-03-02 | United Technologies Automotive, Inc. | Remote operating system having secure communication of encoded messages and automatic re-synchronization |
| US5442341A (en) * | 1992-04-10 | 1995-08-15 | Trw Inc. | Remote control security system |
| DE4308899C1 (de) * | 1993-03-19 | 1994-02-03 | Siemens Ag | Verfahren zum Betrieb eines in einem Dialogverfahren fernsteuerbaren Schließsystemes, z.B. eines Kfz |
| DE9306264U1 (de) * | 1993-04-26 | 1993-07-08 | Argus Security Corp., San Chong, Taipeh | Fernsteuerungs-Schlüssel für Kraftfahrzeuge |
| DE9307176U1 (de) * | 1993-05-07 | 1993-07-22 | Hartmann, Friedrich, 24253 Probsteierhagen | Elektronische Diebstahlsicherung für Personenkraftwagen |
| US5473200A (en) * | 1993-10-08 | 1995-12-05 | Depromax Limited | Frequency modulation digital code anti-theft system |
| US5420925A (en) * | 1994-03-03 | 1995-05-30 | Lectron Products, Inc. | Rolling code encryption process for remote keyless entry system |
-
1994
- 1994-03-31 DE DE4411435A patent/DE4411435A1/de not_active Withdrawn
-
1995
- 1995-01-26 EP EP95101016A patent/EP0675249B1/de not_active Expired - Lifetime
- 1995-01-26 DE DE59509413T patent/DE59509413D1/de not_active Expired - Lifetime
- 1995-01-26 ES ES95101016T patent/ES2159576T3/es not_active Expired - Lifetime
- 1995-03-31 US US08/413,723 patent/US5811885A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE59509413D1 (de) | 2001-08-23 |
| US5811885A (en) | 1998-09-22 |
| DE4411435A1 (de) | 1995-10-05 |
| ES2159576T3 (es) | 2001-10-16 |
| EP0675249A1 (de) | 1995-10-04 |
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