CA1132692A - Systeme gyroscopique a laser avec boucle a asservissement de phase - Google Patents
Systeme gyroscopique a laser avec boucle a asservissement de phaseInfo
- Publication number
- CA1132692A CA1132692A CA323,196A CA323196A CA1132692A CA 1132692 A CA1132692 A CA 1132692A CA 323196 A CA323196 A CA 323196A CA 1132692 A CA1132692 A CA 1132692A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- frequency
- phase
- output
- difference
- 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
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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Lasers (AREA)
- Gyroscopes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89426778A | 1978-04-07 | 1978-04-07 | |
US894,267 | 1992-06-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1132692A true CA1132692A (fr) | 1982-09-28 |
Family
ID=25402832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA323,196A Expired CA1132692A (fr) | 1978-04-07 | 1979-03-12 | Systeme gyroscopique a laser avec boucle a asservissement de phase |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS54139393A (fr) |
CA (1) | CA1132692A (fr) |
DE (1) | DE2911851C2 (fr) |
FR (1) | FR2422144A1 (fr) |
IT (1) | IT1116582B (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2426886A1 (fr) * | 1978-05-22 | 1979-12-21 | Litton Systems Inc | Gyroscope a laser |
JP5055904B2 (ja) * | 2006-09-08 | 2012-10-24 | セイコーエプソン株式会社 | 検出装置、センサ及び電子機器 |
Family Cites Families (6)
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 |
US3807866A (en) * | 1972-04-21 | 1974-04-30 | Rockwell International Corp | Ring laser gyroscope having a constant output beat-frequency |
US3846025A (en) * | 1973-04-02 | 1974-11-05 | S Wilber | Frequency sensitive laser rotary motion sensor |
CA1077602A (fr) * | 1976-01-02 | 1980-05-13 | Raytheon Company | Resonateur d'ondes electromagnetiques en anneau |
CA1136249A (fr) * | 1978-03-27 | 1982-11-23 | James B. Matthews | Systeme gyroscopique a laser a boucle a asservissement de phase |
-
1979
- 1979-03-12 CA CA323,196A patent/CA1132692A/fr not_active Expired
- 1979-03-26 DE DE2911851A patent/DE2911851C2/de not_active Expired - Fee Related
- 1979-04-03 FR FR7908302A patent/FR2422144A1/fr active Granted
- 1979-04-05 IT IT48629/79A patent/IT1116582B/it active
- 1979-04-05 JP JP4151279A patent/JPS54139393A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2911851A1 (de) | 1979-10-11 |
DE2911851C2 (de) | 1994-01-13 |
JPS6410956B2 (fr) | 1989-02-22 |
JPS54139393A (en) | 1979-10-29 |
IT1116582B (it) | 1986-02-10 |
IT7948629A0 (it) | 1979-04-05 |
FR2422144B1 (fr) | 1985-05-10 |
FR2422144A1 (fr) | 1979-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |