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FR2418506B1 - - Google Patents

Info

Publication number
FR2418506B1
FR2418506B1 FR7805663A FR7805663A FR2418506B1 FR 2418506 B1 FR2418506 B1 FR 2418506B1 FR 7805663 A FR7805663 A FR 7805663A FR 7805663 A FR7805663 A FR 7805663A FR 2418506 B1 FR2418506 B1 FR 2418506B1
Authority
FR
France
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
Application number
FR7805663A
Other languages
French (fr)
Other versions
FR2418506A1 (fr
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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 Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Priority to FR7805663A priority Critical patent/FR2418506A1/fr
Priority to GB7903921A priority patent/GB2015844B/en
Priority to CH119479A priority patent/CH627573A5/fr
Priority to BE1/9267A priority patent/BE873985A/xx
Priority to IT67319/79A priority patent/IT1118351B/it
Priority to DE19792906841 priority patent/DE2906841A1/de
Priority to NL7901615A priority patent/NL7901615A/xx
Publication of FR2418506A1 publication Critical patent/FR2418506A1/fr
Application granted granted Critical
Publication of FR2418506B1 publication Critical patent/FR2418506B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/02—Electric devices associated with track, e.g. rail contacts
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
    • G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
    • G08B13/186—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using light guides, e.g. optical fibres
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
FR7805663A 1978-02-28 1978-02-28 Dispositif pour detecter la presence d'un objet le long d'une ligne Granted FR2418506A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7805663A FR2418506A1 (fr) 1978-02-28 1978-02-28 Dispositif pour detecter la presence d'un objet le long d'une ligne
GB7903921A GB2015844B (en) 1978-02-28 1979-02-05 Device for detecting the presence of an object
CH119479A CH627573A5 (fr) 1978-02-28 1979-02-07 Dispositif pour detecter la presence d'un objet le long d'une ligne.
BE1/9267A BE873985A (fr) 1978-02-28 1979-02-07 Dispositif pour detecter la presence d'un objet le long d'une ligne
IT67319/79A IT1118351B (it) 1978-02-28 1979-02-14 Dispositivo per rivelare la presenza di un oggetto lungo una linea,particolarmente lungo un recinto di protezione
DE19792906841 DE2906841A1 (de) 1978-02-28 1979-02-22 Ueberwachungsvorrichtung mit einer lichtleitfaser
NL7901615A NL7901615A (nl) 1978-02-28 1979-02-28 Inrichting voor het waarnemen van de aanwezigheid van een voorwerp langs een lijn.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7805663A FR2418506A1 (fr) 1978-02-28 1978-02-28 Dispositif pour detecter la presence d'un objet le long d'une ligne

Publications (2)

Publication Number Publication Date
FR2418506A1 FR2418506A1 (fr) 1979-09-21
FR2418506B1 true FR2418506B1 (xx) 1982-10-29

Family

ID=9205152

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7805663A Granted FR2418506A1 (fr) 1978-02-28 1978-02-28 Dispositif pour detecter la presence d'un objet le long d'une ligne

Country Status (7)

Country Link
BE (1) BE873985A (xx)
CH (1) CH627573A5 (xx)
DE (1) DE2906841A1 (xx)
FR (1) FR2418506A1 (xx)
GB (1) GB2015844B (xx)
IT (1) IT1118351B (xx)
NL (1) NL7901615A (xx)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297684A (en) * 1979-03-26 1981-10-27 Honeywell Inc. Fiber optic intruder alarm system
US4482890A (en) * 1981-01-22 1984-11-13 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Weight responsive intrusion detector using dual optical fibers
ATE34055T1 (de) * 1981-09-11 1988-05-15 Feller Ag Schalteinrichtung mit einer lichtleitfaser.
DE3322046C2 (de) * 1983-06-18 1986-01-23 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Lichtleiter-Druck- und Eindringsensor
DE3443949A1 (de) * 1984-12-01 1986-06-05 AEG KABEL AG, 4050 Mönchengladbach Lichtleiter als kraftsensor
IL78728A (en) * 1986-05-08 1990-07-12 Magal Security Systems Ltd Security fence
DE3628083A1 (de) * 1986-08-19 1988-03-03 Felten & Guilleaume Energie Bodenplatte aus balken mit eingelegten lichtwellenleiter-sensoren
DE3731428A1 (de) * 1987-09-18 1989-04-06 Bayerische Motoren Werke Ag Vorrichtung zur vermeidung des einquetschens von koerperteilen beim schliessen elektrisch betaetigbarer fenster oder schiebedaecher
DE3815152A1 (de) * 1988-05-04 1989-11-23 Strabag Bau Ag Einrichtung zum ueberwachen und/oder steuern eines schienengebundenen verkehrs
JPH0676172A (ja) * 1991-04-16 1994-03-18 Sumitomo Electric Ind Ltd 防犯用検知装置
IL99773A (en) * 1991-10-17 1995-11-27 Israel State Pressure sensor
NL9201667A (nl) * 1992-09-25 1994-04-18 Nl Spoorwegen Nv Stelsel voor het detecteren van treinen.
WO1994018649A1 (en) * 1993-02-13 1994-08-18 Socoa International Holding S.A. Optic fiber security system
JP3528435B2 (ja) * 1996-06-27 2004-05-17 トヨタ自動車株式会社 路上物体検出装置
DE19940549C1 (de) * 1999-08-26 2001-01-18 Siemens Ag Verfahren und Vorrichtung zur Überwachung eines Fahrwegs für spurgebundene Fahrzeuge
DE10003333A1 (de) * 2000-01-27 2001-08-09 Jakob Reuter Nutzung von Glasfasern und anderen Leitern des Lichtes mit Lichtempfänger als Sensoren für Meldung des Kontaktes mit irgendeinem Objekt und Erfassung mit Hilfe der Software auf einem PC
WO2003025524A1 (en) * 2001-09-19 2003-03-27 Gebert Ruediger Heinz Weight sensor
NL1020997C2 (nl) * 2002-07-04 2004-01-13 Lightspeed Inv S B V Aangrijpmiddelen voor een signaalleiding, signaalleiding en constructie-element.
GB0322859D0 (en) 2003-09-30 2003-10-29 British Telecomm Communication
US7667849B2 (en) 2003-09-30 2010-02-23 British Telecommunications Public Limited Company Optical sensor with interferometer for sensing external physical disturbance of optical communications link
NL1024456C2 (nl) * 2003-10-06 2005-04-07 Lightspeed Inv S B V Signaalleiding, hekwerk en werkwijze voor het vervaardigen van een hekwerk.
GB0407386D0 (en) 2004-03-31 2004-05-05 British Telecomm Monitoring a communications link
US7848645B2 (en) 2004-09-30 2010-12-07 British Telecommunications Public Limited Company Identifying or locating waveguides
GB0421747D0 (en) 2004-09-30 2004-11-03 British Telecomm Distributed backscattering
GB0427733D0 (en) 2004-12-17 2005-01-19 British Telecomm Optical system
EP1825613B1 (en) 2004-12-17 2011-02-16 BRITISH TELECOMMUNICATIONS public limited company Assessing a network
GB0504579D0 (en) 2005-03-04 2005-04-13 British Telecomm Communications system
ATE434774T1 (de) 2005-03-04 2009-07-15 British Telecomm Akustooptische modulatoranordnung
EP1708388A1 (en) 2005-03-31 2006-10-04 British Telecommunications Public Limited Company Communicating information
EP1713301A1 (en) 2005-04-14 2006-10-18 BRITISH TELECOMMUNICATIONS public limited company Method and apparatus for communicating sound over an optical link
EP1729096A1 (en) 2005-06-02 2006-12-06 BRITISH TELECOMMUNICATIONS public limited company Method and apparatus for determining the position of a disturbance in an optical fibre
WO2007096579A1 (en) 2006-02-24 2007-08-30 British Telecommunications Public Limited Company Sensing a disturbance
EP1989797B1 (en) 2006-02-24 2011-04-13 BRITISH TELECOMMUNICATIONS public limited company Sensing a disturbance
EP1826924A1 (en) 2006-02-24 2007-08-29 BRITISH TELECOMMUNICATIONS public limited company Sensing a disturbance
WO2007113527A1 (en) 2006-04-03 2007-10-11 British Telecommunications Public Limited Company Evaluating the position of a disturbance
EP2804166A1 (en) 2013-05-13 2014-11-19 PSS Consultancy & Equipment B.V. Sensor cable and system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1497995A (en) * 1976-04-13 1978-01-12 Standard Telephones Cables Ltd Fibre optic acoustic monitoring arrangement
DE2810971C1 (de) * 1978-03-14 1985-12-05 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Lichtleiter zur UEberwachung eines Raumes oder Gelaendes

Also Published As

Publication number Publication date
CH627573A5 (fr) 1982-01-15
GB2015844B (en) 1982-06-03
NL7901615A (nl) 1979-08-30
BE873985A (fr) 1979-08-07
DE2906841A1 (de) 1979-09-20
IT1118351B (it) 1986-02-24
GB2015844A (en) 1979-09-12
IT7967319A0 (it) 1979-02-14
DE2906841C2 (xx) 1989-08-24
FR2418506A1 (fr) 1979-09-21

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Legal Events

Date Code Title Description
ST Notification of lapse