FR2438357B1 - - Google Patents
Info
- Publication number
- FR2438357B1 FR2438357B1 FR7924079A FR7924079A FR2438357B1 FR 2438357 B1 FR2438357 B1 FR 2438357B1 FR 7924079 A FR7924079 A FR 7924079A FR 7924079 A FR7924079 A FR 7924079A FR 2438357 B1 FR2438357 B1 FR 2438357B1
- Authority
- FR
- France
- 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
- G01C19/661—Ring laser gyrometers details
-
- 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
-
- 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
- H01S3/0835—Gas ring lasers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Plasma & Fusion (AREA)
- Gyroscopes (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US94735578A | 1978-10-02 | 1978-10-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2438357A1 FR2438357A1 (fr) | 1980-04-30 |
FR2438357B1 true FR2438357B1 (it) | 1984-02-17 |
Family
ID=25486010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7924079A Granted FR2438357A1 (fr) | 1978-10-02 | 1979-09-27 | Laser a anneau pour gyroscope et son procede de reglage |
Country Status (9)
Country | Link |
---|---|
JP (2) | JPS584475B2 (it) |
CA (1) | CA1133615A (it) |
CH (1) | CH651157A5 (it) |
DE (1) | DE2939804A1 (it) |
FR (1) | FR2438357A1 (it) |
GB (1) | GB2032169B (it) |
IL (1) | IL57936A (it) |
IT (1) | IT1164049B (it) |
SE (1) | SE449664B (it) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4519708A (en) * | 1981-05-20 | 1985-05-28 | Raytheon Company | Mode discrimination apparatus |
IL70499A (en) * | 1982-12-27 | 1988-06-30 | Litton Systems Inc | Laser cathode |
US4672623A (en) * | 1985-08-16 | 1987-06-09 | Honeywell Inc. | Cathode construction for a laser |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3390606A (en) * | 1965-03-01 | 1968-07-02 | Honeywell Inc | Control apparatus |
US3462708A (en) * | 1966-11-29 | 1969-08-19 | Sperry Rand Corp | Ring laser having a piezoelectric reflector external to the closed loop to cancel a frequency modulation within the loop |
US3503005A (en) * | 1967-10-17 | 1970-03-24 | Honeywell Inc | Ring laser which is biased to permit two equal intensity transition frequencies to be generated in opposite directions |
US3581227A (en) * | 1968-04-18 | 1971-05-25 | Honeywell Inc | Adjustable, thin membrane mirror for use in the stabilization of ring lasers |
US3824487A (en) * | 1972-05-08 | 1974-07-16 | United Aircraft Corp | Unstable ring laser resonators |
CA1085031A (en) * | 1976-11-08 | 1980-09-02 | Litton Systems, Inc. | Laser gyro with phased dithered mirrors |
US4115004A (en) * | 1976-11-15 | 1978-09-19 | Litton Systems, Inc. | Counterbalanced oscillating ring laser gyro |
-
1979
- 1979-07-31 IL IL57936A patent/IL57936A/xx unknown
- 1979-08-08 CA CA333,345A patent/CA1133615A/en not_active Expired
- 1979-09-27 CH CH8706/79A patent/CH651157A5/de not_active IP Right Cessation
- 1979-09-27 FR FR7924079A patent/FR2438357A1/fr active Granted
- 1979-09-28 IT IT50401/79A patent/IT1164049B/it active
- 1979-10-01 SE SE7908117A patent/SE449664B/sv not_active IP Right Cessation
- 1979-10-01 DE DE19792939804 patent/DE2939804A1/de not_active Ceased
- 1979-10-02 GB GB7934149A patent/GB2032169B/en not_active Expired
- 1979-10-02 JP JP54126484A patent/JPS584475B2/ja not_active Expired
-
1982
- 1982-06-16 JP JP57102360A patent/JPS5910078B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2438357A1 (fr) | 1980-04-30 |
IT1164049B (it) | 1987-04-08 |
JPS5821385A (ja) | 1983-02-08 |
CH651157A5 (de) | 1985-08-30 |
GB2032169B (en) | 1982-09-22 |
IT7950401A0 (it) | 1979-09-28 |
JPS584475B2 (ja) | 1983-01-26 |
SE449664B (sv) | 1987-05-11 |
IL57936A (en) | 1982-07-30 |
JPS5548989A (en) | 1980-04-08 |
DE2939804A1 (de) | 1980-04-10 |
SE7908117L (sv) | 1980-04-03 |
JPS5910078B2 (ja) | 1984-03-06 |
CA1133615A (en) | 1982-10-12 |
GB2032169A (en) | 1980-04-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |