NO883158L - Optisk avfoelings-system. - Google Patents
Optisk avfoelings-system.Info
- Publication number
- NO883158L NO883158L NO88883158A NO883158A NO883158L NO 883158 L NO883158 L NO 883158L NO 88883158 A NO88883158 A NO 88883158A NO 883158 A NO883158 A NO 883158A NO 883158 L NO883158 L NO 883158L
- Authority
- NO
- Norway
- Prior art keywords
- feeling system
- optical
- optical feeling
- feeling
- Prior art date
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878716776A GB8716776D0 (en) | 1987-07-16 | 1987-07-16 | Optical sensing systems |
Publications (2)
Publication Number | Publication Date |
---|---|
NO883158D0 NO883158D0 (no) | 1988-07-15 |
NO883158L true NO883158L (no) | 1989-01-17 |
Family
ID=10620759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO88883158A NO883158L (no) | 1987-07-16 | 1988-07-15 | Optisk avfoelings-system. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4956549A (no) |
EP (1) | EP0299638B1 (no) |
DE (1) | DE3877270T2 (no) |
GB (1) | GB8716776D0 (no) |
NO (1) | NO883158L (no) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2248684A (en) * | 1990-10-12 | 1992-04-15 | Marconi Gec Ltd | Optical sensing systems |
US5643801A (en) * | 1992-11-06 | 1997-07-01 | Semiconductor Energy Laboratory Co., Ltd. | Laser processing method and alignment |
JP3778456B2 (ja) | 1995-02-21 | 2006-05-24 | 株式会社半導体エネルギー研究所 | 絶縁ゲイト型薄膜半導体装置の作製方法 |
US6522797B1 (en) * | 1998-09-01 | 2003-02-18 | Input/Output, Inc. | Seismic optical acoustic recursive sensor system |
GB9908075D0 (en) * | 1999-04-09 | 1999-06-02 | Secr Defence | An optical fibre sensor assembly |
GB2436872A (en) * | 2006-04-06 | 2007-10-10 | Qinetiq Ltd | Fibre-optic sensor package |
WO2017095370A1 (en) | 2015-11-30 | 2017-06-08 | Halliburton Energy Services, Inc. | Optical frequency comb source for fiber sensor interferometer arrays |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3433958A (en) * | 1965-08-27 | 1969-03-18 | Bell Telephone Labor Inc | Optical channel separation by deflection |
US3633995A (en) * | 1970-02-17 | 1972-01-11 | Ibm | Acousto-optic light deflection system |
US4358851A (en) * | 1980-02-28 | 1982-11-09 | Xerox Corporation | Fiber optic laser device and light emitter utilizing the device |
US4616898A (en) * | 1980-03-31 | 1986-10-14 | Polaroid Corporation | Optical communication systems using raman repeaters and components therefor |
GB2126820B (en) * | 1982-07-17 | 1986-03-26 | Plessey Co Plc | An optical sensing system |
US4603421A (en) * | 1982-11-24 | 1986-07-29 | Xerox Corporation | Incoherent composite multi-emitter laser for an optical arrangement |
US4635246A (en) * | 1983-10-20 | 1987-01-06 | The United States Of America As Represented By The Secretary Of The Navy | Frequency multiplex system using injection locking of multiple laser diodes |
US4632551A (en) * | 1984-06-11 | 1986-12-30 | Litton Systems, Inc. | Passive sampling interferometric sensor arrays |
GB2167574B (en) * | 1984-11-02 | 1988-02-24 | Plessey Co Plc | Transducers for optical frequency shifting arrangements |
US4856092A (en) * | 1984-11-24 | 1989-08-08 | Plessey Overseas Limited | Optical pulse generating arrangements |
GB2189880B (en) * | 1986-04-30 | 1989-12-28 | Plessey Co Plc | Optical sensor system |
-
1987
- 1987-07-16 GB GB878716776A patent/GB8716776D0/en active Pending
-
1988
- 1988-06-23 EP EP88305803A patent/EP0299638B1/en not_active Expired - Lifetime
- 1988-06-23 DE DE8888305803T patent/DE3877270T2/de not_active Expired - Fee Related
- 1988-07-13 US US07/218,168 patent/US4956549A/en not_active Expired - Fee Related
- 1988-07-15 NO NO88883158A patent/NO883158L/no unknown
Also Published As
Publication number | Publication date |
---|---|
EP0299638B1 (en) | 1993-01-07 |
EP0299638A3 (en) | 1989-09-20 |
NO883158D0 (no) | 1988-07-15 |
DE3877270D1 (de) | 1993-02-18 |
DE3877270T2 (de) | 1993-05-06 |
EP0299638A2 (en) | 1989-01-18 |
US4956549A (en) | 1990-09-11 |
GB8716776D0 (en) | 1987-11-18 |
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