FR2718092B1 - Dispositif de sûreté contre le vol utilisant un codage électronique d'autorisation d'utilisation pour véhicule. - Google Patents
Dispositif de sûreté contre le vol utilisant un codage électronique d'autorisation d'utilisation pour véhicule.Info
- Publication number
- FR2718092B1 FR2718092B1 FR9503767A FR9503767A FR2718092B1 FR 2718092 B1 FR2718092 B1 FR 2718092B1 FR 9503767 A FR9503767 A FR 9503767A FR 9503767 A FR9503767 A FR 9503767A FR 2718092 B1 FR2718092 B1 FR 2718092B1
- Authority
- FR
- France
- Prior art keywords
- authorization
- vehicle
- security device
- device against
- against theft
- 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 - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/04—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on the propulsion system, e.g. engine or drive motor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
-
- 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
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional 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
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
- G07C2009/0023—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks with encription of the transmittted data signal
-
- 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
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
- G07C2009/00238—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed
-
- 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
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
- G07C2009/00238—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed
- G07C2009/00253—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed dynamically, e.g. variable code - rolling 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
- G07C2009/00785—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 light
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4411451A DE4411451C1 (de) | 1994-04-01 | 1994-04-01 | Fahrzeugsicherungseinrichtung mit elektronischer Nutzungsberechtigungscodierung |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2718092A1 FR2718092A1 (fr) | 1995-10-06 |
FR2718092B1 true FR2718092B1 (fr) | 1998-02-06 |
Family
ID=6514485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9503767A Expired - Fee Related FR2718092B1 (fr) | 1994-04-01 | 1995-03-30 | Dispositif de sûreté contre le vol utilisant un codage électronique d'autorisation d'utilisation pour véhicule. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5774550A (fr) |
JP (1) | JP2860527B2 (fr) |
DE (1) | DE4411451C1 (fr) |
FR (1) | FR2718092B1 (fr) |
GB (1) | GB2288050B (fr) |
IT (1) | IT1278478B1 (fr) |
Families Citing this family (67)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3073904B2 (ja) * | 1995-02-17 | 2000-08-07 | 本田技研工業株式会社 | 車両用データ処理装置 |
DE29509742U1 (de) * | 1995-06-14 | 1995-08-24 | Siemens AG, 80333 München | Datenverarbeitungsanlage mit Infrarot-Datenübertragungsschnittstelle und Benutzungskontrollvorrichtung |
DE19525180C5 (de) * | 1995-07-11 | 2010-01-07 | Daimler Ag | Elektronisches Steuergerät für ein Kraftfahrzeug mit Datennetzwerken und Wegfahrsperre |
JPH09177397A (ja) * | 1995-12-25 | 1997-07-08 | Nippon Soken Inc | ローリングコード生成方法及び該ローリングコード生成方法を用いた盗難防止システム |
DE19632025C2 (de) * | 1996-08-08 | 1998-07-23 | Daimler Benz Ag | Authentikationseinrichtung mit elektronischer Authentikationskommunikation |
DE19633466C2 (de) * | 1996-08-20 | 2001-03-01 | Ibm | Nachinitialisierung von Chipkarten |
DE19648042B4 (de) * | 1996-11-20 | 2005-08-25 | Bayerische Motoren Werke Ag | Fahrzeug mit einem Schlüssel |
US6260144B1 (en) | 1996-11-21 | 2001-07-10 | Pitney Bowes Inc. | Method for verifying the expected postal security device in a postage metering system |
US6397328B1 (en) | 1996-11-21 | 2002-05-28 | Pitney Bowes Inc. | Method for verifying the expected postage security device and an authorized host system |
US6992563B1 (en) * | 1997-04-11 | 2006-01-31 | Robert Bosch Gmbh | Method for protecting devices, specially car radios, against theft |
DE19720690A1 (de) * | 1997-05-16 | 1998-11-19 | Bosch Gmbh Robert | Elektromotorischer Antrieb |
US7290288B2 (en) | 1997-06-11 | 2007-10-30 | Prism Technologies, L.L.C. | Method and system for controlling access, by an authentication server, to protected computer resources provided via an internet protocol network |
JP3244023B2 (ja) * | 1997-06-19 | 2002-01-07 | トヨタ自動車株式会社 | 車両用キー装置、車両機関始動制御方法及び車両用キーシステム |
US6603857B1 (en) * | 1997-07-14 | 2003-08-05 | Entrust Technologies Limited | Method and apparatus for controlling release of time sensitive information |
US6026166A (en) * | 1997-10-20 | 2000-02-15 | Cryptoworx Corporation | Digitally certifying a user identity and a computer system in combination |
JP2000027502A (ja) * | 1998-07-15 | 2000-01-25 | Denso Corp | キー照合装置 |
DE19847649A1 (de) * | 1998-09-17 | 2000-03-23 | Volkswagen Ag | Verfahren und Einrichtung zur Generierung eines Diebstahlschutzsystemes für ein Kraftfahrzeug |
SE517464C2 (sv) | 2000-03-10 | 2002-06-11 | Assa Abloy Ab | Elektromekanisk nyckel- och låsanordning, låssystem och metod för uppdatering av auktorisationsinforamtion |
US6745941B1 (en) * | 1999-06-21 | 2004-06-08 | Ge Interlogix, Inc. | Electronic key with optical scanner |
US7340439B2 (en) * | 1999-09-28 | 2008-03-04 | Chameleon Network Inc. | Portable electronic authorization system and method |
US20020133716A1 (en) * | 2000-09-05 | 2002-09-19 | Shlomi Harif | Rule-based operation and service provider authentication for a keyed system |
DE10103972B4 (de) * | 2001-01-30 | 2004-08-26 | Delphi Technologies, Inc., Troy | Verfahren sowie Vorrichtung zur Erzeugung von Zufallszahlen |
US7203317B2 (en) * | 2001-10-31 | 2007-04-10 | Hewlett-Packard Development Company, L.P. | System for enabling lazy-revocation through recursive key generation |
US20060274828A1 (en) * | 2001-11-01 | 2006-12-07 | A4S Security, Inc. | High capacity surveillance system with fast search capability |
US20060274829A1 (en) * | 2001-11-01 | 2006-12-07 | A4S Security, Inc. | Mobile surveillance system with redundant media |
US7272179B2 (en) * | 2001-11-01 | 2007-09-18 | Security With Advanced Technology, Inc. | Remote surveillance system |
US8132236B2 (en) * | 2001-11-12 | 2012-03-06 | Hewlett-Packard Development Company, L.P. | System and method for providing secured access to mobile devices |
US20080148350A1 (en) * | 2006-12-14 | 2008-06-19 | Jeffrey Hawkins | System and method for implementing security features and policies between paired computing devices |
US7561691B2 (en) * | 2001-11-12 | 2009-07-14 | Palm, Inc. | System and method for providing secured access to mobile devices |
DE10158200A1 (de) * | 2001-11-28 | 2003-06-12 | Kostal Leopold Gmbh & Co Kg | Verfahren zum Durchführen einer schlüssellosen Zugangsberechtigungskontrolle bei einem Kraftfahrzeug |
US7050947B2 (en) * | 2002-01-04 | 2006-05-23 | Siemens Vdo Automotive Corporation | Remote control communication including secure synchronization |
US7549046B2 (en) * | 2002-06-28 | 2009-06-16 | Temic Automotive Of North America, Inc. | Method and system for vehicle authorization of a service technician |
JP4153283B2 (ja) * | 2002-10-16 | 2008-09-24 | アルプス電気株式会社 | セキュリティ関連データの取り扱い装置及びその取り扱い方法 |
US7231041B2 (en) * | 2003-08-19 | 2007-06-12 | General Motors Corporation | Method, device, and system for secure motor vehicle remote keyless entry |
DE10354517B4 (de) * | 2003-11-21 | 2008-11-27 | Daimler Ag | Verfahren zum Betreiben eines Sicherheits-Schließsystems |
JP4036838B2 (ja) * | 2004-03-12 | 2008-01-23 | インターナショナル・ビジネス・マシーンズ・コーポレーション | セキュリティ装置、情報処理装置、セキュリティ装置が実行する方法、情報処理装置が実行する方法、該方法を実行させるための装置実行可能なプログラムおよびチケット・システム |
SE526829C2 (sv) * | 2004-03-30 | 2005-11-08 | Scania Cv Ab | Arrangemang, motorfordon, sätt och datorprogram för att ge tillträde till elektroniska styrenheter |
CN1942347B (zh) * | 2004-04-29 | 2011-06-08 | 宝马股份公司 | 汽车外部装置的验证 |
DE102004033393B4 (de) * | 2004-07-09 | 2007-03-15 | Siemens Ag | Verfahren zur Authentifizierung wenigstens einer ersten mobilen Sende- und Empfangseinrichtung an wenigstens einer Basisstation |
DE102004035033A1 (de) * | 2004-07-20 | 2006-02-16 | Wabco Gmbh & Co.Ohg | Elektronische Wegfahrsperre |
DE102004036810A1 (de) * | 2004-07-29 | 2006-03-23 | Zf Lenksysteme Gmbh | Kommunikationsverfahren für wenigstens zwei Systemkomponenten eines Kraftfahrzeugs |
DE102005044949A1 (de) * | 2005-09-20 | 2007-03-29 | Nec Europe Ltd. | Verfahren zur Authentifizierung |
DE102006015212B4 (de) * | 2006-03-30 | 2017-05-04 | Bundesdruckerei Gmbh | Verfahren zum Schutz eines beweglichen Gutes, insbesondere eines Fahrzeugs, gegen unberechtigte Nutzung |
US7623875B2 (en) * | 2006-04-24 | 2009-11-24 | Gm Global Technology Operations, Inc. | System and method for preventing unauthorized wireless communications which attempt to provide input to or elicit output from a mobile device |
US9984341B2 (en) | 2006-12-13 | 2018-05-29 | Crown Equipment Corporation | Information system for industrial vehicles including cyclical recurring vehicle information message |
KR101833739B1 (ko) | 2006-12-13 | 2018-03-02 | 크라운 이큅먼트 코포레이션 | 차대 관리 시스템 |
US10600256B2 (en) | 2006-12-13 | 2020-03-24 | Crown Equipment Corporation | Impact sensing usable with fleet management system |
US10013815B2 (en) | 2006-12-13 | 2018-07-03 | Crown Equipment Corporation | Information system for industrial vehicles |
US11225404B2 (en) | 2006-12-13 | 2022-01-18 | Crown Equipment Corporation | Information system for industrial vehicles |
DE102007010992A1 (de) * | 2007-03-05 | 2008-09-11 | Conti Temic Microelectronic Gmbh | Verfahren und Vorrichtung zur Übertragung von Daten und zum Durchführen der Reaktionen auf diese Daten |
JP5044430B2 (ja) * | 2008-02-04 | 2012-10-10 | 株式会社東芝 | 制御装置、被制御装置 |
EP2465090A4 (fr) | 2009-08-12 | 2014-04-23 | Crown Equip Corp | Système d' informations pour des véhicules industriels |
US8327153B2 (en) * | 2009-12-04 | 2012-12-04 | Electronics And Telecommunications Research Institute | Method and system for verifying software platform of vehicle |
US8756430B2 (en) * | 2011-04-14 | 2014-06-17 | GM Global Technology Operations LLC | Exploiting application characteristics for multiple-authenticator broadcast authentication schemes |
US20130326114A1 (en) * | 2012-05-30 | 2013-12-05 | Seagate Technology Llc | Write mitigation through fast reject processing |
US8930612B2 (en) | 2012-05-31 | 2015-01-06 | Seagate Technology Llc | Background deduplication of data sets in a memory |
DE102012012389A1 (de) | 2012-06-21 | 2013-01-24 | Daimler Ag | Vorrichtung und Verfahren zum Steuern einer Zugangsberechtigung und/oder Fahrberechtigung für ein Fahrzeug |
DE102013005341A1 (de) | 2013-03-26 | 2013-09-19 | Daimler Ag | Verfahren zum Schutz sicherheitsrelevanter Fahrzeugdaten |
DE102013006847A1 (de) | 2013-04-19 | 2013-12-19 | Daimler Ag | Verfahren zur Fahrzeugsicherung und Vorrichtung zur Durchführung des Verfahrens |
DE102014019496A1 (de) | 2014-12-23 | 2015-06-18 | Daimler Ag | Verfahren zur Steuerung eines Authentifizierungsschlüsselaustausches in Fahrzeugnetzwerken und ein Kraftfahrzeug |
DE102014019494A1 (de) | 2014-12-23 | 2015-06-18 | Daimler Ag | Verfahren zum Aktualisieren einer Applikation eines Smartphones |
WO2016135019A1 (fr) | 2015-02-23 | 2016-09-01 | Bayerische Motoren Werke Aktiengesellschaft | Système pour utiliser des terminaux mobiles en tant que clés de véhicule |
DE102015225793B4 (de) * | 2015-12-17 | 2017-07-06 | Volkswagen Aktiengesellschaft | Verfahren zur Verhinderung der Deaktivierung von Online-Diensten in einem Fahrzeug |
KR101838511B1 (ko) * | 2016-05-17 | 2018-03-14 | 현대자동차주식회사 | 암호화를 적용한 제어기 보안 방법 및 그 장치 |
CN106696900B (zh) * | 2016-12-23 | 2019-10-15 | 上海汽车集团股份有限公司 | 变速箱加密的插电混动车辆防盗方法 |
US10705820B2 (en) | 2017-02-02 | 2020-07-07 | Ford Global Technologies, Llc | Method and apparatus for secure multi-cycle vehicle software updates |
US11075890B2 (en) * | 2018-03-12 | 2021-07-27 | International Business Machines Corporation | Wireless communication between vehicles |
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US4405829A (en) * | 1977-12-14 | 1983-09-20 | Massachusetts Institute Of Technology | Cryptographic communications system and method |
DE2824421C2 (de) * | 1978-06-03 | 1985-10-10 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltanordnung zum Betreiben von Schließeinrichtungen und ähnlichen Sicherheitseinrichtungen, insbesondere als Diebstahlschutz an einem Kraftfahrzeug |
DE2911828A1 (de) * | 1979-03-26 | 1980-10-16 | Vdo Schindling | Verfahren zur drahtlos fernbedienbaren tuerverriegelung, insbesondere einer zentralverriegelung von kraftfahrzeugen und einrichtung zur durchfuehrung des verfahrens |
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 |
DE3234539A1 (de) * | 1982-09-17 | 1984-03-22 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur code-sicherung bei einem elektronischen schluessel |
DE3313098C1 (de) * | 1983-04-12 | 1984-10-11 | Daimler-Benz Ag, 7000 Stuttgart | Elektronisches Schloßsystem |
US4928098A (en) * | 1984-03-30 | 1990-05-22 | Siemens Aktiengesellschaft | Method for code protection using an electronic key |
FR2568040B1 (fr) * | 1984-07-18 | 1989-12-01 | Lewiner Jacques | Installation de commande et de controle des differentes serrures codees d'un ensemble |
US4736419A (en) * | 1984-12-24 | 1988-04-05 | American Telephone And Telegraph Company, At&T Bell Laboratories | Electronic lock system |
US4786900A (en) * | 1985-09-30 | 1988-11-22 | Casio Computer Co. Ltd. | Electronic key apparatus |
US4837822A (en) * | 1986-04-08 | 1989-06-06 | Schlage Lock Company | Cryptographic based electronic lock system and method of operation |
JPH0639450B2 (ja) * | 1986-08-21 | 1994-05-25 | 徳山曹達株式会社 | アシルオキシハロゲン化炭化水素の製造方法 |
JPH07118709B2 (ja) * | 1987-01-16 | 1995-12-18 | 日本電信電話株式会社 | 秘密情報通信方式 |
US5146215A (en) * | 1987-09-08 | 1992-09-08 | Clifford Electronics, Inc. | Electronically programmable remote control for vehicle security system |
JPH02152341A (ja) * | 1988-12-05 | 1990-06-12 | Mitsubishi Electric Corp | ディジタル署名方式 |
AU5358190A (en) * | 1989-05-18 | 1990-12-18 | Siemens Aktiengesellschaft | Transmission and receiving system |
EP0523117B1 (fr) * | 1990-04-06 | 1994-08-24 | Siemens Aktiengesellschaft | Installation de verrouillage centralise pour vehicules a moteur |
EP0523137B1 (fr) * | 1990-04-06 | 1994-09-21 | Siemens Aktiengesellschaft | Procede d'utilisation d'une installation de verrouillage centralise a telecommande pour vehicules a moteur |
US5144667A (en) * | 1990-12-20 | 1992-09-01 | Delco Electronics Corporation | Method of secure remote access |
FR2685510B1 (fr) * | 1991-12-19 | 1997-01-03 | Bull Cps | Procede d'authentification, par un milieu exterieur, d'un objet portatif connecte a ce milieu par l'intermediaire d'une ligne de transmission, et systeme pour la mise en oeuvre |
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 |
DE9304520U1 (de) * | 1993-03-25 | 1994-07-28 | Diehl GmbH & Co, 90478 Nürnberg | Fernsteuerung, insbesondere für eine Riegeleinrichtung |
US5377270A (en) * | 1993-06-30 | 1994-12-27 | United Technologies Automotive, Inc. | Cryptographic authentication of transmitted messages using pseudorandom numbers |
US5369706A (en) * | 1993-11-05 | 1994-11-29 | United Technologies Automotive, Inc. | Resynchronizing transmitters to receivers for secure vehicle entry using cryptography or rolling code |
DE4411449C1 (de) * | 1994-04-01 | 1995-03-16 | Daimler Benz Ag | Fahrzeugsicherungseinrichtung mit elektronischer Nutzungsberechtigungscodierung |
-
1994
- 1994-04-01 DE DE4411451A patent/DE4411451C1/de not_active Expired - Fee Related
-
1995
- 1995-03-28 GB GB9506281A patent/GB2288050B/en not_active Expired - Fee Related
- 1995-03-29 IT IT95RM000199A patent/IT1278478B1/it active IP Right Grant
- 1995-03-30 FR FR9503767A patent/FR2718092B1/fr not_active Expired - Fee Related
- 1995-03-31 JP JP7109886A patent/JP2860527B2/ja not_active Expired - Lifetime
-
1997
- 1997-06-26 US US08/882,929 patent/US5774550A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ITRM950199A1 (it) | 1996-09-29 |
ITRM950199A0 (it) | 1995-03-29 |
US5774550A (en) | 1998-06-30 |
GB9506281D0 (en) | 1995-05-17 |
FR2718092A1 (fr) | 1995-10-06 |
GB2288050A (en) | 1995-10-04 |
GB2288050B (en) | 1997-05-14 |
JP2860527B2 (ja) | 1999-02-24 |
IT1278478B1 (it) | 1997-11-24 |
DE4411451C1 (de) | 1995-05-04 |
JPH07309209A (ja) | 1995-11-28 |
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