GB1536077A - Ring laser gyroscope - Google Patents

Ring laser gyroscope

Info

Publication number
GB1536077A
GB1536077A GB41708/77A GB4170877A GB1536077A GB 1536077 A GB1536077 A GB 1536077A GB 41708/77 A GB41708/77 A GB 41708/77A GB 4170877 A GB4170877 A GB 4170877A GB 1536077 A GB1536077 A GB 1536077A
Authority
GB
United Kingdom
Prior art keywords
laser gyroscope
ring laser
mirror
ring
heading
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
Application number
GB41708/77A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northrop Grumman Guidance and Electronics Co Inc
Original Assignee
Litton Systems Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Litton Systems Inc filed Critical Litton Systems Inc
Publication of GB1536077A publication Critical patent/GB1536077A/en
Expired legal-status Critical Current

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

1536077 Ring lasers LITTON SYSTEMS Inc 6 Oct 1977 [8 Nov 1976] 41708/77 Heading H1C To prevent mode locking, each mirror of a ring laser gyroscope is vibrated perpendicular to the reflective surface of the mirror.
GB41708/77A 1976-11-08 1977-10-06 Ring laser gyroscope Expired GB1536077A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73976776A 1976-11-08 1976-11-08

Publications (1)

Publication Number Publication Date
GB1536077A true GB1536077A (en) 1978-12-20

Family

ID=24973708

Family Applications (1)

Application Number Title Priority Date Filing Date
GB41708/77A Expired GB1536077A (en) 1976-11-08 1977-10-06 Ring laser gyroscope

Country Status (6)

Country Link
JP (1) JPS5357793A (en)
CA (2) CA1085031A (en)
DE (1) DE2749157C3 (en)
FR (1) FR2370262A1 (en)
GB (1) GB1536077A (en)
IL (1) IL52920A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143366A (en) * 1983-01-31 1985-02-06 Sundstrand Optical Tech Laser gyro with dithered mirrors
CN115406468A (en) * 2022-11-01 2022-11-29 天津集智航宇科技有限公司 Device and method for adjusting back scattering of laser gyroscope based on mechanical nano stepping

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1125895A (en) * 1978-05-26 1982-06-15 Virgil E. Sanders Laser gyro mode locking reduction scheme
IL57936A (en) * 1978-10-02 1982-07-30 Litton Systems Inc Ring laser with adjustable mirrors
US4243324A (en) * 1979-03-21 1981-01-06 The Singer Company Feedback system for controlling lock-in in spring suspended ring laser gyroscope
US4383763A (en) * 1979-09-12 1983-05-17 Litton Systems, Inc. Controllable mirrors
CA1154851A (en) * 1980-03-24 1983-10-04 Litton Systems, Inc. Acoustically dithered ring laser gyro
US4410276A (en) * 1981-06-15 1983-10-18 The Singer Company Ring laser gyroscope with doppler mirrors
US4526469A (en) * 1982-03-01 1985-07-02 Honeywell Inc. Discriminant apparatus for laser gyros
US4551021A (en) * 1982-03-01 1985-11-05 Honeywell Inc. Discriminant apparatus for laser gyros
IL70499A (en) * 1982-12-27 1988-06-30 Litton Systems Inc Laser cathode
DE3320345A1 (en) * 1983-06-04 1984-12-06 Litton Systems, Inc., Beverly Hills, Calif. Ring laser gyroscope
US4755057A (en) * 1984-10-02 1988-07-05 Litton Systems, Inc. Path length control method for ring laser gyroscope
US4801206A (en) * 1986-06-04 1989-01-31 Litton Systems, Inc. Simplified ring laser gyroscope dither control and method
US4779985A (en) * 1986-12-22 1988-10-25 Litton Systems, Inc. Dither suspension for ring laser gyroscope and method
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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581227A (en) * 1968-04-18 1971-05-25 Honeywell Inc Adjustable, thin membrane mirror for use in the stabilization of ring lasers
US3533014A (en) * 1968-06-04 1970-10-06 Massachusetts Inst Technology Gas ring laser using oscillating radiation scattering sources within the laser cavity

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143366A (en) * 1983-01-31 1985-02-06 Sundstrand Optical Tech Laser gyro with dithered mirrors
GB2143367A (en) * 1983-01-31 1985-02-06 Sundstrand Optical Tech Laser gyro with dithered mirrors
CN115406468A (en) * 2022-11-01 2022-11-29 天津集智航宇科技有限公司 Device and method for adjusting back scattering of laser gyroscope based on mechanical nano stepping

Also Published As

Publication number Publication date
CA1180795B (en) 1985-01-08
FR2370262B1 (en) 1980-05-16
DE2749157C3 (en) 1980-10-16
FR2370262A1 (en) 1978-06-02
DE2749157A1 (en) 1978-05-11
CA1085031A (en) 1980-09-02
IL52920A (en) 1979-09-30
DE2749157B2 (en) 1980-02-28
JPS5738194B2 (en) 1982-08-13
JPS5357793A (en) 1978-05-25

Similar Documents

Publication Publication Date Title
GB1536081A (en) Ring laser gyroscope assembly
GB1536077A (en) Ring laser gyroscope
AU550729B2 (en) Monolithic three axis ring laser gyroscope
GB2100499B (en) Ring laser gyroscope with doppler mirrors
NL192219B (en) Gyrometer with ring laser.
IT1153021B (en) RING LASER GYROSCOPE USING A PHASE DETECTOR TO MINIMIZE THE BEAM LOCK
AU548093B2 (en) Ring laser gyroscope
AU545920B2 (en) Ring laser gyro transducer
NO862539D0 (en) CONTROL OF A RING LASER GYRO.
AU546735B2 (en) Laser gyro with dithered mirrors
DE68904860D1 (en) RING RESONATOR GYROSCOPE.
AU561290B2 (en) Dither compensator for ring laser gyro
AU8442482A (en) Ring laser gyroscope
EP0255235A3 (en) Cavity alignment spring for a laser
GB1135996A (en) Ring laser
AU3997785A (en) Ring laser gyro tilt mirror dither
GB2180984B (en) Getter retainment for ring laser gyro
DE3481215D1 (en) MULTI-AXIS RING LASER GYRO.
JPS54155794A (en) Ring laser gyroscope
IL77856A0 (en) Inertial reference system utilizing ring laser gyro data resynchronization
AU3939885A (en) Ring laser gyro with randomized mirror dither
GB1262996A (en) Maser tube of an infra-red maser system
GB2220098B (en) Ring laser gyroscope
GB1507847A (en) Laser gyroscope
JPS6281901U (en)

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee