CH627573A5 - Dispositif pour detecter la presence d'un objet le long d'une ligne. - Google Patents

Dispositif pour detecter la presence d'un objet le long d'une ligne. Download PDF

Info

Publication number
CH627573A5
CH627573A5 CH119479A CH119479A CH627573A5 CH 627573 A5 CH627573 A5 CH 627573A5 CH 119479 A CH119479 A CH 119479A CH 119479 A CH119479 A CH 119479A CH 627573 A5 CH627573 A5 CH 627573A5
Authority
CH
Switzerland
Prior art keywords
fiber
optical fiber
sheath
line
along
Prior art date
Application number
CH119479A
Other languages
English (en)
French (fr)
Inventor
Jean Robieux
Original Assignee
Comp Generale Electricite
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 Comp Generale Electricite filed Critical Comp Generale Electricite
Publication of CH627573A5 publication Critical patent/CH627573A5/fr

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 SYSTEMS, e.g. PERSONAL 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)
  • Length Measuring Devices By Optical Means (AREA)
  • Geophysics And Detection Of Objects (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)
CH119479A 1978-02-28 1979-02-07 Dispositif pour detecter la presence d'un objet le long d'une ligne. CH627573A5 (fr)

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 (1)

Publication Number Publication Date
CH627573A5 true CH627573A5 (fr) 1982-01-15

Family

ID=9205152

Family Applications (1)

Application Number Title Priority Date Filing Date
CH119479A CH627573A5 (fr) 1978-02-28 1979-02-07 Dispositif pour detecter la presence d'un objet le long d'une ligne.

Country Status (7)

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

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
EP0074927B1 (de) * 1981-09-11 1988-05-04 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.
AU6140494A (en) * 1993-02-13 1994-08-29 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.
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
GB0322859D0 (en) 2003-09-30 2003-10-29 British Telecomm Communication
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
GB0421747D0 (en) 2004-09-30 2004-11-03 British Telecomm Distributed backscattering
WO2006035198A1 (en) 2004-09-30 2006-04-06 British Telecommunications Public Limited Company Identifying or locating waveguides
JP4782798B2 (ja) 2004-12-17 2011-09-28 ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー ネットワークの評価
GB0427733D0 (en) 2004-12-17 2005-01-19 British Telecomm Optical system
GB0504579D0 (en) 2005-03-04 2005-04-13 British Telecomm Communications system
US7697795B2 (en) 2005-03-04 2010-04-13 British Telecommunications Public Limited Company Acoustic modulation
EP1708388A1 (de) 2005-03-31 2006-10-04 British Telecommunications Public Limited Company Verfahren zum Mitteilen von Informationen
EP1713301A1 (de) 2005-04-14 2006-10-18 BRITISH TELECOMMUNICATIONS public limited company Verfahren und Gerät zur Schallübertragung über eine optische Verbindung
EP1729096A1 (de) 2005-06-02 2006-12-06 BRITISH TELECOMMUNICATIONS public limited company Verfahren und Vorrichtung zur Ermittlung der Stelle einer Störung in einer optischen Faser
WO2007096579A1 (en) 2006-02-24 2007-08-30 British Telecommunications Public Limited Company Sensing a disturbance
DE602007013874D1 (de) 2006-02-24 2011-05-26 British Telecomm Erfassen einer störung
EP1826924A1 (de) 2006-02-24 2007-08-29 BRITISH TELECOMMUNICATIONS public limited company Abtastung einer Störung
CA2647173A1 (en) 2006-04-03 2007-10-11 British Telecommunications Public Company Limited Evaluating the position of a disturbance
EP2804166A1 (de) 2013-05-13 2014-11-19 PSS Consultancy & Equipment B.V. Sensorkabel und 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
BE873985A (fr) 1979-08-07
DE2906841C2 (de) 1989-08-24
GB2015844B (en) 1982-06-03
DE2906841A1 (de) 1979-09-20
NL7901615A (nl) 1979-08-30
IT7967319A0 (it) 1979-02-14
IT1118351B (it) 1986-02-24
FR2418506B1 (de) 1982-10-29
FR2418506A1 (fr) 1979-09-21
GB2015844A (en) 1979-09-12

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