NL7812668A - LASERGYROSCOPE SYSTEM. - Google Patents
LASERGYROSCOPE SYSTEM.Info
- Publication number
- NL7812668A NL7812668A NL7812668A NL7812668A NL7812668A NL 7812668 A NL7812668 A NL 7812668A NL 7812668 A NL7812668 A NL 7812668A NL 7812668 A NL7812668 A NL 7812668A NL 7812668 A NL7812668 A NL 7812668A
- Authority
- NL
- Netherlands
- Prior art keywords
- lasergyroscope
- lasergyroscope system
- 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
- G01C19/667—Ring laser gyrometers using a multioscillator ring laser
-
- 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)
- Plasma & Fusion (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86809678A | 1978-01-03 | 1978-01-03 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7812668A true NL7812668A (en) | 1979-07-05 |
NL189980B NL189980B (en) | 1993-04-16 |
NL189980C NL189980C (en) | 1993-09-16 |
Family
ID=25351066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7812668,A NL189980C (en) | 1978-01-03 | 1978-12-29 | LASERGYROSCOPE. |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5498195A (en) |
CA (1) | CA1116279A (en) |
DE (1) | DE2900125A1 (en) |
FR (1) | FR2413635A1 (en) |
GB (1) | GB2012101B (en) |
IT (1) | IT1113711B (en) |
NL (1) | NL189980C (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2471583A1 (en) * | 1979-12-14 | 1981-06-19 | Thomson Csf | METHOD AND DEVICE FOR MODULATING THE WAVE PHASE CIRCULATING IN A RING INTERFEROMETER |
CA1189600A (en) * | 1980-10-17 | 1985-06-25 | Raytheon Company | Dispersion equalized ring laser gyroscope |
US4397027A (en) * | 1981-01-05 | 1983-08-02 | Raytheon Company | Self-compensating gas discharge path for laser gyro |
GB2120839A (en) * | 1982-05-19 | 1983-12-07 | Raytheon Co | Ring laser gyroscope |
US4616930A (en) * | 1983-04-20 | 1986-10-14 | Litton Systems, Inc. | Optically biased twin ring laser gyroscope |
JPS6068684A (en) * | 1983-09-26 | 1985-04-19 | Fujitsu Ltd | Laser light source |
GB2184285B (en) * | 1983-11-07 | 1990-08-01 | Raytheon Co | Ring laser gyroscope |
US4578793A (en) * | 1984-07-13 | 1986-03-25 | The Board Of Trustees Of The Leland Stanford Junior University | Solid-state non-planar internally reflecting ring laser |
US4962506A (en) * | 1988-04-14 | 1990-10-09 | Litton Systems, Inc. | Scatter symmetrization in multi-mode ring laser gyros |
US5469256A (en) * | 1988-07-29 | 1995-11-21 | Litton Systems, Inc. | Multipole magnetic geometry for a ring laser gyroscope |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3245314A (en) * | 1962-06-28 | 1966-04-12 | Bell Telephone Labor Inc | Optical rotation devices employing a ferromagnetic chromium trihalide |
US3373650A (en) * | 1965-04-02 | 1968-03-19 | Honeywell Inc | Laser angular rate sensor |
US3741657A (en) * | 1971-03-03 | 1973-06-26 | Raytheon Co | Laser gyroscope |
JPS5045904Y2 (en) * | 1972-06-07 | 1975-12-25 | ||
DE2335597A1 (en) * | 1972-07-17 | 1974-01-31 | North American Rockwell | RING LASER GYROSCOPE |
JPS4940557A (en) * | 1972-08-16 | 1974-04-16 | ||
US3841758A (en) * | 1972-09-28 | 1974-10-15 | J Gievers | Rotation sensitive retarder |
JPS5146340B2 (en) * | 1972-12-12 | 1976-12-08 | ||
DE2432479C2 (en) * | 1974-07-04 | 1985-05-30 | Sperry Corp., New York, N.Y. | Ring laser |
JPS5349629Y2 (en) * | 1974-10-02 | 1978-11-29 | ||
CA1077602A (en) * | 1976-01-02 | 1980-05-13 | Raytheon Company | Electromagnetic wave ring resonator |
-
1978
- 1978-12-07 CA CA317,534A patent/CA1116279A/en not_active Expired
- 1978-12-20 GB GB7849292A patent/GB2012101B/en not_active Expired
- 1978-12-27 JP JP16463378A patent/JPS5498195A/en active Granted
- 1978-12-29 FR FR7836927A patent/FR2413635A1/en active Granted
- 1978-12-29 NL NLAANVRAGE7812668,A patent/NL189980C/en not_active IP Right Cessation
-
1979
- 1979-01-02 IT IT47511/79A patent/IT1113711B/en active
- 1979-01-03 DE DE19792900125 patent/DE2900125A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
IT1113711B (en) | 1986-01-20 |
GB2012101B (en) | 1982-04-21 |
FR2413635A1 (en) | 1979-07-27 |
DE2900125A1 (en) | 1979-07-12 |
JPH0321889B2 (en) | 1991-03-25 |
IT7947511A0 (en) | 1979-01-02 |
NL189980C (en) | 1993-09-16 |
FR2413635B1 (en) | 1984-09-14 |
JPS5498195A (en) | 1979-08-02 |
CA1116279A (en) | 1982-01-12 |
GB2012101A (en) | 1979-07-18 |
DE2900125C2 (en) | 1993-04-01 |
NL189980B (en) | 1993-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A85 | Still pending on 85-01-01 | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V1 | Lapsed because of non-payment of the annual fee |
Effective date: 19970701 |