NZ189487A - Secondary modes in ring laser gyro avoid lock-in - Google Patents
Secondary modes in ring laser gyro avoid lock-inInfo
- Publication number
- NZ189487A NZ189487A NZ189487A NZ18948779A NZ189487A NZ 189487 A NZ189487 A NZ 189487A NZ 189487 A NZ189487 A NZ 189487A NZ 18948779 A NZ18948779 A NZ 18948779A NZ 189487 A NZ189487 A NZ 189487A
- Authority
- NZ
- New Zealand
- Prior art keywords
- ring laser
- laser gyro
- secondary modes
- avoid lock
- lock
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
- Lasers (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Lubricants (AREA)
- Photoreceptors In Electrophotography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US90991978A | 1978-05-26 | 1978-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ189487A true NZ189487A (en) | 1982-12-07 |
Family
ID=25428045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ189487A NZ189487A (en) | 1978-05-26 | 1979-01-26 | Secondary modes in ring laser gyro avoid lock-in |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS596520B2 (xx) |
| AU (1) | AU521186B2 (xx) |
| BE (1) | BE874859A (xx) |
| BR (1) | BR7901915A (xx) |
| CA (1) | CA1125895A (xx) |
| CH (1) | CH645718A5 (xx) |
| DE (1) | DE2920429A1 (xx) |
| DK (1) | DK215579A (xx) |
| ES (1) | ES479075A1 (xx) |
| FR (1) | FR2426887A1 (xx) |
| GB (1) | GB2021851B (xx) |
| GR (1) | GR66808B (xx) |
| IL (1) | IL56658A (xx) |
| IT (1) | IT1115066B (xx) |
| NL (1) | NL181953C (xx) |
| NO (1) | NO152272C (xx) |
| NZ (1) | NZ189487A (xx) |
| SE (1) | SE448320B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2120839A (en) * | 1982-05-19 | 1983-12-07 | Raytheon Co | Ring laser gyroscope |
| DE3412016C2 (de) * | 1984-03-31 | 1986-12-11 | Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln | Ringlaser |
| US4783169A (en) * | 1985-08-09 | 1988-11-08 | Litton Systems, Inc. | Control of a ring laser gyro cavity according to a preselected model |
| CN103674003B (zh) * | 2012-09-07 | 2016-06-01 | 中国航空工业第六一八研究所 | 一种电磁驱动式激光陀螺抖动机构 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3697181A (en) * | 1967-03-14 | 1972-10-10 | Sperry Rand Corp | Ring laser having amplitude and phase controlled crossed-beam anti-locking feedback |
| US3741657A (en) * | 1971-03-03 | 1973-06-26 | Raytheon Co | Laser gyroscope |
| US3846025A (en) * | 1973-04-02 | 1974-11-05 | S Wilber | Frequency sensitive laser rotary motion sensor |
| US4152071A (en) * | 1976-08-02 | 1979-05-01 | Honeywell Inc. | Control apparatus |
| CA1085031A (en) * | 1976-11-08 | 1980-09-02 | Litton Systems, Inc. | Laser gyro with phased dithered mirrors |
-
1979
- 1979-01-19 CA CA319,945A patent/CA1125895A/en not_active Expired
- 1979-01-26 NZ NZ189487A patent/NZ189487A/xx unknown
- 1979-02-02 GR GR58245A patent/GR66808B/el unknown
- 1979-02-06 AU AU43981/79A patent/AU521186B2/en not_active Ceased
- 1979-02-13 IL IL56658A patent/IL56658A/xx unknown
- 1979-02-28 NL NLAANVRAGE7901581,A patent/NL181953C/xx not_active IP Right Cessation
- 1979-03-14 FR FR7906502A patent/FR2426887A1/fr active Granted
- 1979-03-15 BE BE0/194032A patent/BE874859A/xx not_active IP Right Cessation
- 1979-03-20 IT IT48410/79A patent/IT1115066B/it active
- 1979-03-29 BR BR7901915A patent/BR7901915A/pt unknown
- 1979-03-29 SE SE7902823A patent/SE448320B/sv not_active IP Right Cessation
- 1979-03-30 ES ES479075A patent/ES479075A1/es not_active Expired
- 1979-04-16 JP JP54045512A patent/JPS596520B2/ja not_active Expired
- 1979-04-20 GB GB7913805A patent/GB2021851B/en not_active Expired
- 1979-05-16 NO NO791638A patent/NO152272C/no unknown
- 1979-05-19 DE DE2920429A patent/DE2920429A1/de not_active Withdrawn
- 1979-05-25 DK DK215579A patent/DK215579A/da unknown
- 1979-05-25 CH CH492179A patent/CH645718A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GR66808B (xx) | 1981-04-30 |
| NO791638L (no) | 1979-11-27 |
| GB2021851B (en) | 1982-07-21 |
| IT7948410A0 (it) | 1979-03-20 |
| FR2426887B1 (xx) | 1984-06-22 |
| JPS596520B2 (ja) | 1984-02-13 |
| IT1115066B (it) | 1986-02-03 |
| NL181953C (nl) | 1987-12-01 |
| IL56658A (en) | 1981-07-31 |
| JPS54155794A (en) | 1979-12-08 |
| ES479075A1 (es) | 1979-06-01 |
| BR7901915A (pt) | 1979-12-04 |
| CH645718A5 (de) | 1984-10-15 |
| NL7901581A (nl) | 1979-11-28 |
| AU4398179A (en) | 1979-11-29 |
| SE448320B (sv) | 1987-02-09 |
| NL181953B (nl) | 1987-07-01 |
| SE7902823L (sv) | 1979-11-27 |
| GB2021851A (en) | 1979-12-05 |
| CA1125895A (en) | 1982-06-15 |
| FR2426887A1 (fr) | 1979-12-21 |
| NO152272B (no) | 1985-05-20 |
| BE874859A (fr) | 1979-07-02 |
| DE2920429A1 (de) | 1979-11-29 |
| AU521186B2 (en) | 1982-03-18 |
| DK215579A (da) | 1979-11-27 |
| NO152272C (no) | 1985-08-28 |
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