GB2171246A - Body dithered laser gyro assembly - Google Patents
Body dithered laser gyro assemblyInfo
- Publication number
- GB2171246A GB2171246A GB08603598A GB8603598A GB2171246A GB 2171246 A GB2171246 A GB 2171246A GB 08603598 A GB08603598 A GB 08603598A GB 8603598 A GB8603598 A GB 8603598A GB 2171246 A GB2171246 A GB 2171246A
- Authority
- GB
- United Kingdom
- Prior art keywords
- laser gyro
- coupling means
- base
- diaphragm
- gyro assembly
- 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.)
- Withdrawn
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
- G01C19/68—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)
Abstract
A body dithered laser gyro assembly adapted so that the natural frequency of the assembly can readily be predicted and adjusted. In one embodiment, the laser gyro assembly comprises a base (10), resilient support means (12) mounted to the base, coupling means (30, 40, 50) mounted to the support means, a laser gyro (20) mounted to the coupling means, and drive means (70) connected to the base and to the coupling means. The drive means imparts a dither motion to the coupling means, and the coupling means in turn couples such dither motion to the gyro. The coupling means can include a diaphragm (40) having inner (124) and outer (122) portions, the inner portion of the diaphragm being connected to the drive means, and the outer portion coupled to the laser gyro. The inner and outer diaphragm portions may be connected by a plurality of beams (126) through which the dither motion is coupled.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US62085884A | 1984-06-15 | 1984-06-15 | |
PCT/US1985/001082 WO1986000130A1 (en) | 1984-06-15 | 1985-06-07 | Body dithered laser gyro assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8603598D0 GB8603598D0 (en) | 1986-03-19 |
GB2171246A true GB2171246A (en) | 1986-08-20 |
Family
ID=24487708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08603598A Withdrawn GB2171246A (en) | 1984-06-15 | 1985-06-07 | Body dithered laser gyro assembly |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0186700A1 (en) |
JP (1) | JPS61502353A (en) |
AU (1) | AU4603685A (en) |
DE (1) | DE3590265T1 (en) |
GB (1) | GB2171246A (en) |
IT (1) | IT1181685B (en) |
NO (1) | NO860549L (en) |
WO (1) | WO1986000130A1 (en) |
ZA (1) | ZA854142B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2188188A (en) * | 1986-03-18 | 1987-09-23 | Litton Systems Inc | Ring laser gyroscope dither flexure |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114636412B (en) * | 2022-05-17 | 2022-08-12 | 湖南亿诺胜精密仪器有限公司 | Mechanical shaking space three-axis laser gyro with electromagnetic shaking detection function and assembly method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3373650A (en) * | 1965-04-02 | 1968-03-19 | Honeywell Inc | Laser angular rate sensor |
US4115004A (en) * | 1976-11-15 | 1978-09-19 | Litton Systems, Inc. | Counterbalanced oscillating ring laser gyro |
US4309107A (en) * | 1980-01-11 | 1982-01-05 | Litton Systems, Inc. | Laser gyro dither mechanism |
US4321557A (en) * | 1980-01-21 | 1982-03-23 | Litton Systems, Inc. | Laser gyro coupling system |
-
1985
- 1985-05-30 ZA ZA854142A patent/ZA854142B/en unknown
- 1985-06-07 AU AU46036/85A patent/AU4603685A/en not_active Abandoned
- 1985-06-07 GB GB08603598A patent/GB2171246A/en not_active Withdrawn
- 1985-06-07 EP EP85903473A patent/EP0186700A1/en not_active Withdrawn
- 1985-06-07 WO PCT/US1985/001082 patent/WO1986000130A1/en not_active Application Discontinuation
- 1985-06-07 DE DE19853590265 patent/DE3590265T1/en not_active Ceased
- 1985-06-07 JP JP60503098A patent/JPS61502353A/en active Pending
- 1985-06-13 IT IT48214/85A patent/IT1181685B/en active
-
1986
- 1986-02-14 NO NO860549A patent/NO860549L/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3373650A (en) * | 1965-04-02 | 1968-03-19 | Honeywell Inc | Laser angular rate sensor |
US4115004A (en) * | 1976-11-15 | 1978-09-19 | Litton Systems, Inc. | Counterbalanced oscillating ring laser gyro |
US4309107A (en) * | 1980-01-11 | 1982-01-05 | Litton Systems, Inc. | Laser gyro dither mechanism |
US4321557A (en) * | 1980-01-21 | 1982-03-23 | Litton Systems, Inc. | Laser gyro coupling system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2188188A (en) * | 1986-03-18 | 1987-09-23 | Litton Systems Inc | Ring laser gyroscope dither flexure |
GB2188188B (en) * | 1986-03-18 | 1989-10-18 | Litton Systems Inc | Ring laser gyroscope curved blade flexure and support ring assembly and method |
Also Published As
Publication number | Publication date |
---|---|
NO860549L (en) | 1986-02-14 |
DE3590265T1 (en) | 1986-06-26 |
EP0186700A1 (en) | 1986-07-09 |
GB8603598D0 (en) | 1986-03-19 |
JPS61502353A (en) | 1986-10-16 |
IT1181685B (en) | 1987-09-30 |
ZA854142B (en) | 1986-01-29 |
WO1986000130A1 (en) | 1986-01-03 |
IT8548214A0 (en) | 1985-06-13 |
AU4603685A (en) | 1986-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |