DE69025078D1 - Optischer Faserkreisel - Google Patents
Optischer FaserkreiselInfo
- Publication number
- DE69025078D1 DE69025078D1 DE69025078T DE69025078T DE69025078D1 DE 69025078 D1 DE69025078 D1 DE 69025078D1 DE 69025078 T DE69025078 T DE 69025078T DE 69025078 T DE69025078 T DE 69025078T DE 69025078 D1 DE69025078 D1 DE 69025078D1
- Authority
- DE
- Germany
- Prior art keywords
- optical fiber
- fiber gyroscope
- gyroscope
- optical
- fiber
- 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
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/58—Turn-sensitive devices without moving masses
- G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
- G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
- G01C19/726—Phase nulling gyrometers, i.e. compensating the Sagnac phase shift in a closed loop system
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1208860A JPH06103188B2 (ja) | 1989-08-11 | 1989-08-11 | 光干渉角速度計 |
JP26758289A JPH03130612A (ja) | 1989-10-13 | 1989-10-13 | 光干渉角速度計 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69025078D1 true DE69025078D1 (de) | 1996-03-07 |
DE69025078T2 DE69025078T2 (de) | 1996-07-25 |
Family
ID=26517086
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69025078T Expired - Fee Related DE69025078T2 (de) | 1989-08-11 | 1990-08-09 | Optischer Faserkreisel |
DE69010810T Expired - Fee Related DE69010810T2 (de) | 1989-08-11 | 1990-08-09 | Optischer Faserkreisel. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69010810T Expired - Fee Related DE69010810T2 (de) | 1989-08-11 | 1990-08-09 | Optischer Faserkreisel. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5009480A (de) |
EP (2) | EP0418539B1 (de) |
CA (1) | CA2022771C (de) |
DE (2) | DE69025078T2 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04270914A (ja) * | 1991-02-27 | 1992-09-28 | Japan Aviation Electron Ind Ltd | 同期検波装置 |
JPH04270913A (ja) * | 1991-02-27 | 1992-09-28 | Japan Aviation Electron Ind Ltd | 光干渉角速度計 |
US5767968A (en) * | 1995-12-29 | 1998-06-16 | Honeywell Inc. | Coherent pickup error cancellation device |
US5684591A (en) * | 1996-05-23 | 1997-11-04 | Alliedsignal Inc. | Fiber optic gyroscope with reduced non-linearity at low angular rates |
FR2766565B1 (fr) * | 1997-07-23 | 1999-10-08 | Sagem | Gyrometre a fibre optique a traitement numerique du signal et asservissement de frequence |
US6002481A (en) * | 1998-04-08 | 1999-12-14 | Honeywell, Inc. | Fiber optic gyro with noise dither circuit for enhancing A/D conversion resolution |
US6175410B1 (en) * | 1998-12-17 | 2001-01-16 | Honeywell Inc. | Fiber optic gyroscope having modulated suppression of co-propagating and counter-propagating polarization errors |
US7274460B2 (en) * | 2004-06-02 | 2007-09-25 | Northrop Grumman Corporation | Stimulated rate optical power measurement in a fiber optic gyroscope |
EP2080929A2 (de) | 2006-05-08 | 2009-07-22 | Shinko Electric Co., Ltd | Dämpfvorrichtung zur Reduktion der Schwingungen des Automobilkörpers |
US7583384B2 (en) | 2006-07-27 | 2009-09-01 | Honeywell International, Inc. | High resolution IOC drive and method for driving fiber optic gyroscopes |
CN104075705A (zh) * | 2014-06-26 | 2014-10-01 | 中航捷锐(北京)光电技术有限公司 | 一种提高速率敏感性的光纤陀螺仪 |
ES2919048T3 (es) * | 2017-04-29 | 2022-07-21 | Dragons Egg Ltd | Juguete de construcción magnético |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3140110A1 (de) * | 1981-10-09 | 1983-04-28 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | "verfahren und anordnung zur messung absoluter drehungen" |
US4687330A (en) * | 1983-04-25 | 1987-08-18 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic rotation sensor with extended dynamic range |
US4545682A (en) * | 1983-08-11 | 1985-10-08 | The Singer Company | Optical gyroscope |
US4728192A (en) * | 1984-02-17 | 1988-03-01 | Stanford University | Gated fiber optic rotation sensor with extended dynamic range |
US4717256A (en) * | 1986-07-21 | 1988-01-05 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic rate sensor |
US4840489A (en) * | 1986-08-22 | 1989-06-20 | The Charles Stark Draper Laboratory, Inc. | Interferometer gyroscope having two feedback loops |
US4887900A (en) * | 1987-02-20 | 1989-12-19 | Litton Systems, Inc. | Polarization maintaining fiber interferometer and method for source stabilization |
US4842358A (en) * | 1987-02-20 | 1989-06-27 | Litton Systems, Inc. | Apparatus and method for optical signal source stabilization |
US4796993A (en) * | 1987-04-13 | 1989-01-10 | Hitachi, Ltd. | Phase modulation type fiber optic gyroscope |
FR2616538B1 (fr) * | 1987-06-11 | 1989-09-01 | Alsthom | Systeme interferometrique a fibre optique de type sagnac |
US4915503A (en) * | 1987-09-01 | 1990-04-10 | Litton Systems, Inc. | Fiber optic gyroscope with improved bias stability and repeatability and method |
US4906096A (en) * | 1988-03-14 | 1990-03-06 | Litton Systems, Inc. | Apparatus and method for phase modulating optical signals in a fiber optic rotation sensor |
US5020912A (en) * | 1989-02-03 | 1991-06-04 | Litton Systems, Inc. | Fiber optic rotation sensing system and method for basing a feedback signal outside of a legion of instability |
-
1990
- 1990-08-03 US US07/562,605 patent/US5009480A/en not_active Expired - Lifetime
- 1990-08-07 CA CA002022771A patent/CA2022771C/en not_active Expired - Lifetime
- 1990-08-09 DE DE69025078T patent/DE69025078T2/de not_active Expired - Fee Related
- 1990-08-09 DE DE69010810T patent/DE69010810T2/de not_active Expired - Fee Related
- 1990-08-09 EP EP90115328A patent/EP0418539B1/de not_active Expired - Lifetime
- 1990-08-09 EP EP93119056A patent/EP0587202B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2022771C (en) | 1994-06-14 |
EP0587202B1 (de) | 1996-01-24 |
DE69010810D1 (de) | 1994-08-25 |
US5009480A (en) | 1991-04-23 |
DE69010810T2 (de) | 1994-12-15 |
EP0418539A2 (de) | 1991-03-27 |
EP0587202A2 (de) | 1994-03-16 |
DE69025078T2 (de) | 1996-07-25 |
CA2022771A1 (en) | 1991-02-12 |
EP0418539B1 (de) | 1994-07-20 |
EP0418539A3 (en) | 1992-01-29 |
EP0587202A3 (en) | 1994-08-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |