GB2273197B - Ring laser gyroscopes - Google Patents

Ring laser gyroscopes

Info

Publication number
GB2273197B
GB2273197B GB9225651A GB9225651A GB2273197B GB 2273197 B GB2273197 B GB 2273197B GB 9225651 A GB9225651 A GB 9225651A GB 9225651 A GB9225651 A GB 9225651A GB 2273197 B GB2273197 B GB 2273197B
Authority
GB
United Kingdom
Prior art keywords
ring laser
laser gyroscopes
gyroscopes
ring
laser
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 - Fee Related
Application number
GB9225651A
Other versions
GB2273197A (en
GB9225651D0 (en
Inventor
Alan Richard Malvern
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.)
BAE Systems PLC
Original Assignee
British Aerospace PLC
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 British Aerospace PLC filed Critical British Aerospace PLC
Priority to GB9225651A priority Critical patent/GB2273197B/en
Publication of GB9225651D0 publication Critical patent/GB9225651D0/en
Publication of GB2273197A publication Critical patent/GB2273197A/en
Application granted granted Critical
Publication of GB2273197B publication Critical patent/GB2273197B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
GB9225651A 1992-12-04 1992-12-04 Ring laser gyroscopes Expired - Fee Related GB2273197B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9225651A GB2273197B (en) 1992-12-04 1992-12-04 Ring laser gyroscopes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9225651A GB2273197B (en) 1992-12-04 1992-12-04 Ring laser gyroscopes

Publications (3)

Publication Number Publication Date
GB9225651D0 GB9225651D0 (en) 1993-05-12
GB2273197A GB2273197A (en) 1994-06-08
GB2273197B true GB2273197B (en) 1997-03-26

Family

ID=10726309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9225651A Expired - Fee Related GB2273197B (en) 1992-12-04 1992-12-04 Ring laser gyroscopes

Country Status (1)

Country Link
GB (1) GB2273197B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114966084B (en) * 2022-05-27 2023-06-09 东南大学 Resonant frequency locking method of ring resonant cavity

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225239A (en) * 1979-07-05 1980-09-30 The United States Of America As Represented By The Secretary Of The Navy Magneto-optic bias of ring laser using reflective magneto-optic element at near-grazing incidence
EP0555958A1 (en) * 1992-01-13 1993-08-18 KEARFOTT GUIDANCE & NAVIGATION CORPORATION Apparatus for controlling mirrors in a ring laser gyroscope

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4225239A (en) * 1979-07-05 1980-09-30 The United States Of America As Represented By The Secretary Of The Navy Magneto-optic bias of ring laser using reflective magneto-optic element at near-grazing incidence
EP0555958A1 (en) * 1992-01-13 1993-08-18 KEARFOTT GUIDANCE & NAVIGATION CORPORATION Apparatus for controlling mirrors in a ring laser gyroscope

Also Published As

Publication number Publication date
GB2273197A (en) 1994-06-08
GB9225651D0 (en) 1993-05-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971204