SE8401425L - Banlengdsstyrning for ett ringlasergyro - Google Patents
Banlengdsstyrning for ett ringlasergyroInfo
- Publication number
- SE8401425L SE8401425L SE8401425A SE8401425A SE8401425L SE 8401425 L SE8401425 L SE 8401425L SE 8401425 A SE8401425 A SE 8401425A SE 8401425 A SE8401425 A SE 8401425A SE 8401425 L SE8401425 L SE 8401425L
- Authority
- SE
- Sweden
- Prior art keywords
- ring laser
- length control
- laser gyro
- mirrors
- course length
- Prior art date
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
- G01C19/66—Ring laser gyrometers
- G01C19/668—Assemblies for measuring along different axes, e.g. triads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
- H01S3/083—Ring lasers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Plasma & Fusion (AREA)
- Gyroscopes (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/476,447 US4585346A (en) | 1983-03-17 | 1983-03-17 | Pathlength controller for three-axis ring laser gyroscope assembly |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8401425D0 SE8401425D0 (sv) | 1984-03-14 |
SE8401425L true SE8401425L (sv) | 1984-09-18 |
SE451766B SE451766B (sv) | 1987-10-26 |
Family
ID=23891885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8401425A SE451766B (sv) | 1983-03-17 | 1984-03-14 | Ringlasergyroenhet innefattande tre gyron |
Country Status (11)
Country | Link |
---|---|
US (1) | US4585346A ( ) |
JP (1) | JPS59175179A ( ) |
AU (1) | AU561846B2 ( ) |
CA (1) | CA1198916A ( ) |
DE (1) | DE3409152A1 ( ) |
FR (1) | FR2542867B1 ( ) |
GB (1) | GB2137013B ( ) |
IL (1) | IL70168A ( ) |
IT (1) | IT1173819B ( ) |
NO (1) | NO834875L ( ) |
SE (1) | SE451766B ( ) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0130766B1 (en) * | 1983-06-29 | 1990-01-31 | British Aerospace Public Limited Company | Multiple axis ring laser gyroscopes |
US4751718A (en) * | 1985-05-10 | 1988-06-14 | Honeywell Inc. | Dither suspension mechanism for a ring laser angular rate sensor |
US4839903A (en) * | 1985-06-27 | 1989-06-13 | British Aerospace Public Limited Company | Ring laser gyroscopes |
IT1221708B (it) * | 1987-01-14 | 1990-07-12 | Licinio Ugo | Perfezionamenti del sistema ottico-elettronico di determinazione della direzione e della velocita' di un veicolo a mezzo laser interno,applicati anche per rilevare contemporaneamente rotazioni trasversali |
US4886364A (en) * | 1987-04-06 | 1989-12-12 | Kearfott Guidance & Navigation Corporation | Ring laser gyroscope beam combiner for separating and combining circulating laser beams for power and fringe pattern detections |
US4836675A (en) * | 1987-06-29 | 1989-06-06 | Litton Systems, Inc. | Apparatus and method for detecting rotation rate and direction of rotation and providing cavity length control in multioscillator ring laser gyroscopes |
JPH0214588A (ja) * | 1988-03-07 | 1990-01-18 | Kearfott Guidance & Navigation Corp | リングレーザジャイロスコープ |
FR2759161B1 (fr) * | 1997-02-05 | 1999-05-07 | Sextant Avionique | Dispositif de fixation d'un bloc optique de gyrometre laser sur un mecanisme d'activation |
FR2759160B1 (fr) * | 1997-02-05 | 1999-04-23 | Sextant Avionique | Gyrometre laser triaxial symetrise par rapport a son axe d'activation |
FR2759162B1 (fr) * | 1997-02-05 | 1999-04-30 | Sextant Avionique | Dispositif de fixation du bloc optique d'un gyrometre laser triaxial sur un dispositif d'activation |
CN100424470C (zh) * | 2004-10-28 | 2008-10-08 | 金世龙 | 一种激光陀螺调腔方法及其使用的光路程长控制镜 |
FR2902870B1 (fr) | 2006-06-23 | 2008-09-05 | Thales Sa | Dispositif d'amelioration de la duree de vie d'un gyrometre triaxial |
FR2927698B1 (fr) * | 2008-02-15 | 2010-12-24 | Thales Sa | Methode de positionnement des miroirs d'un gyrometre laser triaxe, notamment au demarrage du gyrometre |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4152071A (en) * | 1976-08-02 | 1979-05-01 | Honeywell Inc. | Control apparatus |
FR2512198A1 (fr) * | 1980-03-21 | 1983-03-04 | Sfena | Gyrometre laser triaxial, monobloc, compact a six miroirs |
GB2076213B (en) * | 1980-05-09 | 1983-08-17 | Sperry Ltd | Ring laser gyroscopes |
US4320974A (en) * | 1980-06-30 | 1982-03-23 | The Singer Company | Pathlength controller for a ring laser cyroscope |
US4477188A (en) * | 1982-04-16 | 1984-10-16 | The Singer Company | Monolithic three axis ring laser gyroscope |
-
1983
- 1983-03-17 US US06/476,447 patent/US4585346A/en not_active Expired - Lifetime
- 1983-10-31 AU AU20828/83A patent/AU561846B2/en not_active Ceased
- 1983-11-03 CA CA000440346A patent/CA1198916A/en not_active Expired
- 1983-11-08 IL IL70168A patent/IL70168A/xx not_active IP Right Cessation
- 1983-12-29 NO NO834875A patent/NO834875L/no unknown
-
1984
- 1984-01-24 FR FR8401043A patent/FR2542867B1/fr not_active Expired
- 1984-02-17 JP JP59027390A patent/JPS59175179A/ja active Pending
- 1984-03-01 GB GB08405397A patent/GB2137013B/en not_active Expired
- 1984-03-12 IT IT20013/84A patent/IT1173819B/it active
- 1984-03-13 DE DE19843409152 patent/DE3409152A1/de not_active Withdrawn
- 1984-03-14 SE SE8401425A patent/SE451766B/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4585346A (en) | 1986-04-29 |
FR2542867A1 (fr) | 1984-09-21 |
CA1198916A (en) | 1986-01-07 |
GB2137013A (en) | 1984-09-26 |
FR2542867B1 (fr) | 1987-08-07 |
IT1173819B (it) | 1987-06-24 |
DE3409152A1 (de) | 1984-09-20 |
AU2082883A (en) | 1984-09-20 |
AU561846B2 (en) | 1987-05-21 |
IT8420013A0 (it) | 1984-03-12 |
GB2137013B (en) | 1986-10-22 |
SE8401425D0 (sv) | 1984-03-14 |
JPS59175179A (ja) | 1984-10-03 |
IL70168A (en) | 1988-06-30 |
GB8405397D0 (en) | 1984-04-04 |
SE451766B (sv) | 1987-10-26 |
NO834875L (no) | 1984-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 8401425-7 Effective date: 19911009 Format of ref document f/p: F |