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 PDFInfo
- 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
Links
- 239000000835 fiber Substances 0.000 claims description 25
- 239000013307 optical fiber Substances 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000001052 transient effect Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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)
- 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)
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 (nl) |
CH (1) | CH627573A5 (nl) |
DE (1) | DE2906841A1 (nl) |
FR (1) | FR2418506A1 (nl) |
GB (1) | GB2015844B (nl) |
IT (1) | IT1118351B (nl) |
NL (1) | NL7901615A (nl) |
Families Citing this family (36)
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. |
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. |
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 |
WO2006035198A1 (en) | 2004-09-30 | 2006-04-06 | British Telecommunications Public Limited Company | Identifying or locating waveguides |
GB0421747D0 (en) | 2004-09-30 | 2004-11-03 | British Telecomm | Distributed backscattering |
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 |
ATE434774T1 (de) | 2005-03-04 | 2009-07-15 | British Telecomm | Akustooptische modulatoranordnung |
GB0504579D0 (en) | 2005-03-04 | 2005-04-13 | British Telecomm | Communications system |
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 |
WO2007096578A1 (en) | 2006-02-24 | 2007-08-30 | British Telecommunications Public Limited Company | Sensing a disturbance |
EP1826924A1 (en) | 2006-02-24 | 2007-08-29 | BRITISH TELECOMMUNICATIONS public limited company | Sensing a disturbance |
WO2007096579A1 (en) | 2006-02-24 | 2007-08-30 | British Telecommunications Public Limited Company | Sensing a disturbance |
CA2647173A1 (en) | 2006-04-03 | 2007-10-11 | British Telecommunications Public Company Limited | 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)
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 |
-
1978
- 1978-02-28 FR FR7805663A patent/FR2418506A1/fr active Granted
-
1979
- 1979-02-05 GB GB7903921A patent/GB2015844B/en not_active Expired
- 1979-02-07 BE BE1/9267A patent/BE873985A/xx not_active IP Right Cessation
- 1979-02-07 CH CH119479A patent/CH627573A5/fr not_active IP Right Cessation
- 1979-02-14 IT IT67319/79A patent/IT1118351B/it active
- 1979-02-22 DE DE19792906841 patent/DE2906841A1/de active Granted
- 1979-02-28 NL NL7901615A patent/NL7901615A/nl not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE2906841C2 (nl) | 1989-08-24 |
NL7901615A (nl) | 1979-08-30 |
FR2418506A1 (fr) | 1979-09-21 |
IT1118351B (it) | 1986-02-24 |
FR2418506B1 (nl) | 1982-10-29 |
GB2015844A (en) | 1979-09-12 |
GB2015844B (en) | 1982-06-03 |
DE2906841A1 (de) | 1979-09-20 |
BE873985A (fr) | 1979-08-07 |
IT7967319A0 (it) | 1979-02-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased | ||
PL | Patent ceased |