CA1077603A - Rectangular laser gyro - Google Patents
Rectangular laser gyroInfo
- Publication number
- CA1077603A CA1077603A CA288,123A CA288123A CA1077603A CA 1077603 A CA1077603 A CA 1077603A CA 288123 A CA288123 A CA 288123A CA 1077603 A CA1077603 A CA 1077603A
- Authority
- CA
- Canada
- Prior art keywords
- ring laser
- counterweight
- laser
- laser structure
- ring
- 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
Links
- 230000010355 oscillation Effects 0.000 claims description 2
- 239000010453 quartz Substances 0.000 description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 20
- 239000007789 gas Substances 0.000 description 5
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005247 gettering Methods 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
- G01C19/68—Lock-in prevention
- G01C19/70—Lock-in prevention by mechanical means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (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 |
|---|---|---|---|
| US05/741,619 US4115004A (en) | 1976-11-15 | 1976-11-15 | Counterbalanced oscillating ring laser gyro |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1077603A true CA1077603A (en) | 1980-05-13 |
Family
ID=24981470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA288,123A Expired CA1077603A (en) | 1976-11-15 | 1977-10-04 | Rectangular laser gyro |
Country Status (7)
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4548501A (en) * | 1978-01-03 | 1985-10-22 | Raytheon Company | Laser gyroscope system |
| IL57936A (en) * | 1978-10-02 | 1982-07-30 | Litton Systems Inc | Ring laser with adjustable mirrors |
| US4255054A (en) * | 1979-03-21 | 1981-03-10 | The Singer Company | Lock-in control system for spring suspended ring laser gyroscope |
| US4243324A (en) * | 1979-03-21 | 1981-01-06 | The Singer Company | Feedback system for controlling lock-in in spring suspended ring laser gyroscope |
| US4325033A (en) * | 1979-07-02 | 1982-04-13 | Rockwell International Corporation | Pneumatically dithered laser gyro |
| IL61156A (en) * | 1979-11-05 | 1983-07-31 | Litton Systems Inc | Dithered ring laser with minimized mirror backscattering |
| US4309107A (en) * | 1980-01-11 | 1982-01-05 | Litton Systems, Inc. | Laser gyro dither mechanism |
| CA1154851A (en) * | 1980-03-24 | 1983-10-04 | Litton Systems, Inc. | Acoustically dithered ring laser gyro |
| US4314174A (en) * | 1980-03-25 | 1982-02-02 | Litton Systems, Inc. | Piezoelectric transducer drive having temperature compensation |
| US4349183A (en) * | 1980-08-04 | 1982-09-14 | Litton Systems Inc. | Spring for a ring laser gyro dither mechanism |
| US4397027A (en) * | 1981-01-05 | 1983-08-02 | Raytheon Company | Self-compensating gas discharge path for laser gyro |
| US4436423A (en) * | 1981-09-14 | 1984-03-13 | The Singer Company | Ring laser gyroscope suspension |
| JPS5847224U (ja) * | 1981-09-25 | 1983-03-30 | 加瀬 芳男 | 脇挾みバツグ |
| GB2111297B (en) * | 1981-10-28 | 1985-06-12 | British Aerospace | Oscillatory drive mechanisms |
| DE3150160A1 (de) * | 1981-12-18 | 1983-06-30 | Honeywell Gmbh, 6050 Offenbach | Ringlaserkreisel |
| US4711575A (en) * | 1982-04-01 | 1987-12-08 | Litton Systems, Inc. | Non-pendulous counter-balanced dither mechanism for laser gyro |
| US4477188A (en) * | 1982-04-16 | 1984-10-16 | The Singer Company | Monolithic three axis ring laser gyroscope |
| US4597667A (en) * | 1982-12-09 | 1986-07-01 | Litton Systems, Inc. | Dither controller for ring laser angular rotation sensor |
| ZA844479B (en) * | 1983-06-20 | 1985-04-24 | Sunstrand Optical Technologies | Downhole ring laser gyro |
| IL72284A0 (en) * | 1983-07-05 | 1984-11-30 | Litton Systems Inc | Method and apparatus for laser mode control |
| DE3333306A1 (de) * | 1983-09-15 | 1985-04-04 | Bodenseewerk Gerätetechnik GmbH, 7770 Überlingen | Zitterfeder fuer ringlasergyroskope |
| US4534648A (en) * | 1983-11-07 | 1985-08-13 | The United States Of America As Represented By The Secretary Of The Navy | Gyro sensor block suspension |
| ZA854142B (en) * | 1984-06-15 | 1986-01-29 | Sundstrand Data Control | Body dithered laser gyro assembly |
| US4751718A (en) * | 1985-05-10 | 1988-06-14 | Honeywell Inc. | Dither suspension mechanism for a ring laser angular rate sensor |
| GB2178890B (en) * | 1985-08-06 | 1989-06-07 | Ferranti Plc | Dither mechanism for ring laser gyroscope |
| US4672624A (en) * | 1985-08-09 | 1987-06-09 | Honeywell Inc. | Cathode-block construction for long life lasers |
| US4634091A (en) * | 1985-09-16 | 1987-01-06 | Litton Systems, Inc. | Support for ring laser gyro |
| DE3544074A1 (de) * | 1985-12-13 | 1987-06-19 | Teldix Gmbh | Einrichtung zur erzeugung von drehschwingungen fuer ringlasergyroskope |
| US4790657A (en) * | 1986-03-18 | 1988-12-13 | Litton Systems, Inc. | Ring laser gyroscope curved blade flexure and support ring assembly and method |
| US4733966A (en) * | 1986-04-01 | 1988-03-29 | Litton Systems, Inc. | Tuning mechanism for dither frequencies in a ring laser gyroscope |
| US5196905A (en) * | 1988-06-22 | 1993-03-23 | Litton Systems, Inc. | Radio frequency excited ring laser gyroscope |
| US5442442A (en) * | 1987-10-28 | 1995-08-15 | Litton Systems, Inc. | Ring laser gyroscope scale factor error control apparatus and method control apparatus and method |
| US4890812A (en) * | 1988-02-01 | 1990-01-02 | Litton Systems, Inc. | Temperature compensated mount for supporting a ring laser gyro |
| DE3805631A1 (de) * | 1988-02-24 | 1989-09-07 | Teldix Gmbh | Drehschwingungsantrieb |
| US4847855A (en) * | 1988-03-31 | 1989-07-11 | Honeywell Inc. | Thermally neutral dither motor design |
| US4884283A (en) * | 1988-12-20 | 1989-11-28 | Litton Systems, Inc. | Ring laser gyroscope mirror orientation system and method |
| US5056102A (en) * | 1989-05-15 | 1991-10-08 | Honeywell Inc. | Getter assembly |
| DE3918048A1 (de) * | 1989-06-02 | 1990-12-13 | Honeywell Regelsysteme Gmbh | Ringlaserkreisel |
| DE3918050A1 (de) * | 1989-06-02 | 1990-12-13 | Honeywell Regelsysteme Gmbh | Ringlaserkreisel |
| DE3918049A1 (de) * | 1989-06-02 | 1990-12-13 | Honeywell Regelsysteme Gmbh | Ringlaserkreisel mit drehschwingeinrichtung |
| GB8917420D0 (en) * | 1989-07-29 | 1990-01-04 | British Aerospace | Dither arrangements |
| US5088825A (en) * | 1989-12-27 | 1992-02-18 | Honeywell Inc. | Housing and support assembly for ring laser gyroscope |
| US5116130A (en) * | 1990-10-31 | 1992-05-26 | Litton Systems, Inc. | Ring laser gyroscope mount |
| DE4128195A1 (de) * | 1991-08-24 | 1993-02-25 | Honeywell Regelsysteme Gmbh | Befestigungsvorrichtung fuer ringlaserkreisel |
| US7548318B2 (en) * | 2007-04-13 | 2009-06-16 | Custom Sensors & Technologies, Inc. | Dithering mechanism for eliminating zero-rate bias in a gyroscope |
| RU2611710C1 (ru) * | 2015-11-24 | 2017-02-28 | Акционерное общество "Концерн Радиоэлектронные технологии" (АО "КРЭТ") | Бесплатформенная инерциальная навигационная система |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2838137A (en) * | 1955-01-17 | 1958-06-10 | Lord Mfg Co | Self tuning vibration absorber |
| US3373650A (en) * | 1965-04-02 | 1968-03-19 | Honeywell Inc | Laser angular rate sensor |
| US3600095A (en) * | 1968-05-09 | 1971-08-17 | Agency Ind Science Techn | Differential ring laser |
| US3841758A (en) * | 1972-09-28 | 1974-10-15 | J Gievers | Rotation sensitive retarder |
-
1976
- 1976-11-15 US US05/741,619 patent/US4115004A/en not_active Expired - Lifetime
-
1977
- 1977-10-04 CA CA288,123A patent/CA1077603A/en not_active Expired
- 1977-10-13 IL IL57792A patent/IL57792A/xx not_active IP Right Cessation
- 1977-10-13 IL IL53118A patent/IL53118A/xx unknown
- 1977-10-20 GB GB43782/77A patent/GB1536081A/en not_active Expired
- 1977-11-03 DE DE2749125A patent/DE2749125C3/de not_active Expired
- 1977-11-07 FR FR7733436A patent/FR2370956A1/fr active Granted
- 1977-11-11 JP JP13485877A patent/JPS5362497A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| IL53118A0 (en) | 1978-04-30 |
| FR2370956B1 (US06312121-20011106-C00033.png) | 1982-09-17 |
| GB1536081A (en) | 1978-12-20 |
| IL57792A0 (en) | 1979-11-30 |
| DE2749125A1 (de) | 1978-05-18 |
| DE2749125B2 (de) | 1980-03-13 |
| IL57792A (en) | 1980-05-30 |
| IL53118A (en) | 1980-05-30 |
| DE2749125C3 (de) | 1980-11-13 |
| FR2370956A1 (fr) | 1978-06-09 |
| JPS5362497A (en) | 1978-06-03 |
| US4115004A (en) | 1978-09-19 |
| JPS5512752B2 (US06312121-20011106-C00033.png) | 1980-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |