DE3670907D1 - Detektorsystem mit lichtleiteroptiksensoren. - Google Patents
Detektorsystem mit lichtleiteroptiksensoren.Info
- Publication number
- DE3670907D1 DE3670907D1 DE8686906380T DE3670907T DE3670907D1 DE 3670907 D1 DE3670907 D1 DE 3670907D1 DE 8686906380 T DE8686906380 T DE 8686906380T DE 3670907 T DE3670907 T DE 3670907T DE 3670907 D1 DE3670907 D1 DE 3670907D1
- Authority
- DE
- Germany
- Prior art keywords
- light guide
- optical sensors
- detector system
- guide optical
- detector
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8525924 | 1985-10-21 | ||
GB868608167A GB8608167D0 (en) | 1985-10-21 | 1986-04-03 | Sensing systems |
PCT/GB1986/000646 WO1987002453A1 (en) | 1985-10-21 | 1986-10-21 | Sensing system using fibre optic sensors |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3670907D1 true DE3670907D1 (de) | 1990-06-07 |
Family
ID=26289913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686906380T Expired - Fee Related DE3670907D1 (de) | 1985-10-21 | 1986-10-21 | Detektorsystem mit lichtleiteroptiksensoren. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4825424A (de) |
EP (1) | EP0241530B1 (de) |
DE (1) | DE3670907D1 (de) |
GB (1) | GB2184237B (de) |
WO (1) | WO1987002453A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2197953B (en) * | 1986-11-27 | 1990-06-06 | Plessey Co Plc | Acoustic sensor |
GB2209221B (en) * | 1987-09-01 | 1991-10-23 | Litton Systems Inc | Hydrophone demodulator circuit and method |
US4800266A (en) * | 1987-09-03 | 1989-01-24 | Western Atlas International, Inc. | Fiber optic sensor with light sampling for referencing |
JPH04134238A (ja) * | 1990-09-27 | 1992-05-08 | Ando Electric Co Ltd | ヘテロダイン受光を用いた光パルス試験器 |
GB9026587D0 (en) * | 1990-12-06 | 1991-04-24 | Marconi Gec Ltd | Improvements relating to optical fibre coil assemblies |
GB9026588D0 (en) * | 1990-12-06 | 1991-04-24 | Marconi Gec Ltd | Improvements relating to optical sensing systems |
US5706079A (en) * | 1995-09-29 | 1998-01-06 | The United States Of America As Represented By The Secretary Of The Navy | Ultra-high sensitivity transducer with chirped bragg grating relector |
US5767411A (en) * | 1996-12-31 | 1998-06-16 | Cidra Corporation | Apparatus for enhancing strain in intrinsic fiber optic sensors and packaging same for harsh environments |
US6072567A (en) * | 1997-02-12 | 2000-06-06 | Cidra Corporation | Vertical seismic profiling system having vertical seismic profiling optical signal processing equipment and fiber Bragg grafting optical sensors |
US6601671B1 (en) | 2000-07-10 | 2003-08-05 | Weatherford/Lamb, Inc. | Method and apparatus for seismically surveying an earth formation in relation to a borehole |
US6957574B2 (en) * | 2003-05-19 | 2005-10-25 | Weatherford/Lamb, Inc. | Well integrity monitoring system |
US6840114B2 (en) * | 2003-05-19 | 2005-01-11 | Weatherford/Lamb, Inc. | Housing on the exterior of a well casing for optical fiber sensors |
GB0517210D0 (en) * | 2005-08-23 | 2005-09-28 | Qinetiq Ltd | Demodulation apparatus |
US7295493B1 (en) * | 2006-10-19 | 2007-11-13 | The United States Of America Represented By The Secretary Of The Navy | Pressure tolerant fiber optic hydrophone |
EP4024008A1 (de) * | 2009-05-27 | 2022-07-06 | Silixa Ltd. | Verfahren und vorrichtung für optische messung |
EP2860498B1 (de) * | 2013-10-09 | 2017-12-06 | Optoplan AS | Verarbeitung von Daten aus einem verteilten interferometrischen Glasfasersensorsystem |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3290645A (en) * | 1964-02-13 | 1966-12-06 | Whitehall Electronics Corp | Method and underwater streamer apparatus for improving the fidelity of recorded seismic signals |
US4115753A (en) * | 1977-07-18 | 1978-09-19 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic acoustic array |
US4193130A (en) * | 1978-09-07 | 1980-03-11 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic hydrophone for use as an underwater electroacoustic standard |
CA1124384A (en) * | 1979-08-09 | 1982-05-25 | Paolo G. Cielo | Stable fiber-optic hydrophone |
US4294513A (en) * | 1979-09-11 | 1981-10-13 | Hydroacoustics Inc. | Optical sensor system |
EP0027540A3 (de) * | 1979-09-11 | 1981-10-07 | Hydroacoustics Inc. | Optischer Sensor und Wandlergruppierungssystem |
US4313185A (en) * | 1979-12-31 | 1982-01-26 | General Electric Company | Acoustic vibration sensor and sensing system |
US4297887A (en) * | 1980-02-19 | 1981-11-03 | The United States Of America As Represented By The Secretary Of The Navy | High-sensitivity, low-noise, remote optical fiber |
US4293188A (en) * | 1980-03-24 | 1981-10-06 | Sperry Corporation | Fiber optic small displacement sensor |
US4375680A (en) * | 1981-01-16 | 1983-03-01 | Mcdonnell Douglas Corporation | Optical acoustic sensor |
CA1164950A (en) * | 1981-05-27 | 1984-04-03 | Garfield W. Mcmahon | Frequency modulated laser diode |
US4486657A (en) * | 1982-05-27 | 1984-12-04 | The United States Of America As Represented By The Secretary Of The Navy | Phase-lock fiber optic interferometer |
GB2126820B (en) * | 1982-07-17 | 1986-03-26 | Plessey Co Plc | An optical sensing system |
US4649529A (en) * | 1985-12-02 | 1987-03-10 | Exxon Production Research Co. | Multi-channel fiber optic sensor system |
-
1986
- 1986-10-21 US US07/094,880 patent/US4825424A/en not_active Expired - Fee Related
- 1986-10-21 EP EP86906380A patent/EP0241530B1/de not_active Expired - Lifetime
- 1986-10-21 DE DE8686906380T patent/DE3670907D1/de not_active Expired - Fee Related
- 1986-10-21 WO PCT/GB1986/000646 patent/WO1987002453A1/en active IP Right Grant
- 1986-10-21 GB GB8625155A patent/GB2184237B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4825424A (en) | 1989-04-25 |
GB2184237A (en) | 1987-06-17 |
EP0241530A1 (de) | 1987-10-21 |
GB2184237B (en) | 1990-01-24 |
GB8625155D0 (en) | 1986-11-26 |
EP0241530B1 (de) | 1990-05-02 |
WO1987002453A1 (en) | 1987-04-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO864639D0 (no) | Flerkanals fiberoptisk avfoelersystem. | |
DE68926717T2 (de) | Optischer Abstandsdetektor | |
DE3676221D1 (de) | Optische staubnachweisvorrichtung. | |
DE290243T1 (de) | Sensorsystem mit optischer versorgung. | |
DE68920842D1 (de) | Optischer Wellenleitersensor. | |
DE3670574D1 (de) | Optischer durchflusssensor. | |
DE3686034D1 (de) | Optisches druckmesssystem. | |
DE69006376D1 (de) | Sensorsystem mit optischer Versorgung. | |
DE3674362D1 (de) | Optisches uebertragungssystem. | |
DE208189T1 (de) | Optischer faser-laser. | |
DE3681040D1 (de) | Endoskop mit lichtleitern. | |
DE3676537D1 (de) | Optisches messgeraet. | |
DE3683959D1 (de) | Zirkoniumdioxidsinterkoerper mit verbesserter lichtdurchlaessigkeit. | |
DE3670907D1 (de) | Detektorsystem mit lichtleiteroptiksensoren. | |
FI863753A0 (fi) | Optisk film. | |
NO861439L (no) | Maaleanordning for optiske fiberegenskaper. | |
DE3679126D1 (de) | Fiberoptischer sensor. | |
DE3677649D1 (de) | Optische messanordnung. | |
DE3484191D1 (de) | Lichtstrahlabtastvorrichtung. | |
KR870007575A (ko) | 광 감지기 | |
DE3852755D1 (de) | Optischer Fühler mit mehreren Elementen. | |
NO156306C (no) | Infrar fiberoptisk gassdetektor. | |
NO890698D0 (no) | Optisk fiberfoeler. | |
DE68924577D1 (de) | Optisches Zweirichtungsübertragungssystem mit Lichtunterbrechungs-Detektionsfunktion. | |
DE58905825D1 (de) | Faseroptischer Stromsensor. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |