DE69920233T2 - Sicherheitssystem - Google Patents

Sicherheitssystem Download PDF

Info

Publication number
DE69920233T2
DE69920233T2 DE69920233T DE69920233T DE69920233T2 DE 69920233 T2 DE69920233 T2 DE 69920233T2 DE 69920233 T DE69920233 T DE 69920233T DE 69920233 T DE69920233 T DE 69920233T DE 69920233 T2 DE69920233 T2 DE 69920233T2
Authority
DE
Germany
Prior art keywords
frequency
signal component
signal
security
unit
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
Application number
DE69920233T
Other languages
German (de)
English (en)
Other versions
DE69920233D1 (de
Inventor
Kevin Trevor Lichfield TALBOT
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke AG
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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of DE69920233D1 publication Critical patent/DE69920233D1/de
Application granted granted Critical
Publication of DE69920233T2 publication Critical patent/DE69920233T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G07C9/00174—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
    • G07C2009/00555—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 comprising means to detect or avoid relay attacks
    • 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
    • G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/60—Indexing scheme relating to groups G07C9/00174 - G07C9/00944
    • G07C2209/61—Signal comprising different frequencies, e.g. frequency hopping

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Lock And Its Accessories (AREA)
DE69920233T 1998-07-29 1999-06-17 Sicherheitssystem Expired - Fee Related DE69920233T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9816409 1998-07-29
GBGB9816409.8A GB9816409D0 (en) 1998-07-29 1998-07-29 A security system
PCT/GB1999/001943 WO2000006858A1 (fr) 1998-07-29 1999-06-17 Systeme de securite

Publications (2)

Publication Number Publication Date
DE69920233D1 DE69920233D1 (de) 2004-10-21
DE69920233T2 true DE69920233T2 (de) 2005-11-24

Family

ID=10836300

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69920233T Expired - Fee Related DE69920233T2 (de) 1998-07-29 1999-06-17 Sicherheitssystem

Country Status (5)

Country Link
EP (1) EP1101005B1 (fr)
AU (1) AU4519099A (fr)
DE (1) DE69920233T2 (fr)
GB (1) GB9816409D0 (fr)
WO (1) WO2000006858A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1248542C (zh) 1999-02-15 2006-03-29 新型转换器有限公司 扬声器
DE10201580A1 (de) * 2002-01-17 2003-08-07 Philips Intellectual Property Verfahren zum Betreiben eines Zugangssicherungssystemes
FR3044100B1 (fr) * 2015-10-19 2018-01-05 Valeo Comfort And Driving Assistance Procede d'estimation d'une distance et unite electronique pour vehicule

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536377A1 (de) 1985-10-11 1987-04-16 Bayerische Motoren Werke Ag Sicherheitseinrichtung fuer kraftfahrzeuge
DE4003280C5 (de) 1990-02-03 2007-06-28 Bayerische Motoren Werke Ag Sicherheitseinrichtung für Kraftfahrzeuge
US5319797A (en) * 1992-09-17 1994-06-07 Rockwell International Corporation Remote vehicle access featuring high security
DE4409167C1 (de) * 1994-03-17 1995-06-29 Siemens Ag Schlüssellose Zugangskontrolleinrichtung
GB9406754D0 (en) * 1994-04-06 1994-05-25 Doxas Michael Remote control radio key with ultimate protectin against decoding and accessing of codes by any method including scanners, grabbers and radio receivers
GB2310300B (en) * 1996-02-17 2000-04-19 Rover Group A vehicle security system

Also Published As

Publication number Publication date
DE69920233D1 (de) 2004-10-21
AU4519099A (en) 2000-02-21
GB9816409D0 (en) 1998-09-23
WO2000006858A1 (fr) 2000-02-10
EP1101005B1 (fr) 2004-09-15
EP1101005A1 (fr) 2001-05-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee