GB2178162B - Fibre optic gyroscope - Google Patents

Fibre optic gyroscope

Info

Publication number
GB2178162B
GB2178162B GB8518156A GB8518156A GB2178162B GB 2178162 B GB2178162 B GB 2178162B GB 8518156 A GB8518156 A GB 8518156A GB 8518156 A GB8518156 A GB 8518156A GB 2178162 B GB2178162 B GB 2178162B
Authority
GB
United Kingdom
Prior art keywords
fibre optic
optic gyroscope
gyroscope
fibre
optic
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
GB8518156A
Other versions
GB8518156D0 (en
GB2178162A (en
Inventor
James Wilson Parker
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.)
STC PLC
Original Assignee
STC 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 STC PLC filed Critical STC PLC
Priority to GB8518156A priority Critical patent/GB2178162B/en
Publication of GB8518156D0 publication Critical patent/GB8518156D0/en
Publication of GB2178162A publication Critical patent/GB2178162A/en
Application granted granted Critical
Publication of GB2178162B publication Critical patent/GB2178162B/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
    • G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
    • G01C19/726—Phase nulling gyrometers, i.e. compensating the Sagnac phase shift in a closed loop system

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
GB8518156A 1985-07-18 1985-07-18 Fibre optic gyroscope Expired GB2178162B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8518156A GB2178162B (en) 1985-07-18 1985-07-18 Fibre optic gyroscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8518156A GB2178162B (en) 1985-07-18 1985-07-18 Fibre optic gyroscope

Publications (3)

Publication Number Publication Date
GB8518156D0 GB8518156D0 (en) 1985-08-21
GB2178162A GB2178162A (en) 1987-02-04
GB2178162B true GB2178162B (en) 1989-08-09

Family

ID=10582479

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8518156A Expired GB2178162B (en) 1985-07-18 1985-07-18 Fibre optic gyroscope

Country Status (1)

Country Link
GB (1) GB2178162B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4998822A (en) * 1987-03-27 1991-03-12 Litton Systems, Inc. Rotation rate nulling servo and method for fiber optic rotation sensor
DE3727167A1 (en) * 1987-08-14 1989-02-23 Teldix Gmbh FIBER GYRO
US5020912A (en) * 1989-02-03 1991-06-04 Litton Systems, Inc. Fiber optic rotation sensing system and method for basing a feedback signal outside of a legion of instability
US5131749A (en) * 1989-03-15 1992-07-21 British Aerospace Public Limited Company Reduction of demodulator offset errors in fibre-optic gyroscopes
DE68903333T2 (en) * 1989-03-20 1993-03-11 British Aerospace OPTICAL FIBER GYRO.
US5052808A (en) * 1990-02-15 1991-10-01 Litton Systems, Inc. Method and apparatus for interferometric rotation sensor phase modulation, intensity demodulation, and control
CN108132062B (en) * 2017-12-05 2020-09-18 北京控制工程研究所 Optical fiber gyroscope optical path power detection method and device based on four-frequency-division four-state modulation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2108652A (en) * 1981-10-27 1983-05-18 Standard Telephones Cables Ltd Fibre-optic interferometer gyroscope
GB2134248A (en) * 1983-01-21 1984-08-08 Standard Telephones Cables Ltd Closed loop fibre-optic gyroscope

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2108652A (en) * 1981-10-27 1983-05-18 Standard Telephones Cables Ltd Fibre-optic interferometer gyroscope
GB2134248A (en) * 1983-01-21 1984-08-08 Standard Telephones Cables Ltd Closed loop fibre-optic gyroscope

Also Published As

Publication number Publication date
GB8518156D0 (en) 1985-08-21
GB2178162A (en) 1987-02-04

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee