GB2265457B - A fibre optic gyro - Google Patents

A fibre optic gyro

Info

Publication number
GB2265457B
GB2265457B GB9206837A GB9206837A GB2265457B GB 2265457 B GB2265457 B GB 2265457B GB 9206837 A GB9206837 A GB 9206837A GB 9206837 A GB9206837 A GB 9206837A GB 2265457 B GB2265457 B GB 2265457B
Authority
GB
United Kingdom
Prior art keywords
fibre optic
optic gyro
gyro
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 - Fee Related
Application number
GB9206837A
Other versions
GB2265457A (en
GB9206837D0 (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 GB9206837A priority Critical patent/GB2265457B/en
Publication of GB9206837D0 publication Critical patent/GB9206837D0/en
Publication of GB2265457A publication Critical patent/GB2265457A/en
Application granted granted Critical
Publication of GB2265457B publication Critical patent/GB2265457B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/02—Determining slope or direction
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
GB9206837A 1992-03-28 1992-03-28 A fibre optic gyro Expired - Fee Related GB2265457B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9206837A GB2265457B (en) 1992-03-28 1992-03-28 A fibre optic gyro

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9206837A GB2265457B (en) 1992-03-28 1992-03-28 A fibre optic gyro

Publications (3)

Publication Number Publication Date
GB9206837D0 GB9206837D0 (en) 1992-05-13
GB2265457A GB2265457A (en) 1993-09-29
GB2265457B true GB2265457B (en) 1995-10-11

Family

ID=10713060

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9206837A Expired - Fee Related GB2265457B (en) 1992-03-28 1992-03-28 A fibre optic gyro

Country Status (1)

Country Link
GB (1) GB2265457B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116045949A (en) * 2023-03-31 2023-05-02 中国船舶集团有限公司第七〇七研究所 High-precision high-reliability optical fiber gyroscope and working method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6522826B2 (en) * 2001-05-11 2003-02-18 Fibersense Technology Corporation System and method of winding a fog coil

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2067746A (en) * 1980-01-17 1981-07-30 Standard Telephones Cables Ltd Measurement of rotation rate using sagnac effect
GB2121532A (en) * 1982-05-25 1983-12-21 Standard Telephones Cables Ltd Fibre optic gyroscope
EP0175298A2 (en) * 1984-09-14 1986-03-26 Develco, Incorporated Borehole sensing tool with optical rotation sensor
US4712306A (en) * 1985-12-27 1987-12-15 Mcdonnell Douglas Corporation Fiber optic earth rotation gyro compass

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2067746A (en) * 1980-01-17 1981-07-30 Standard Telephones Cables Ltd Measurement of rotation rate using sagnac effect
GB2121532A (en) * 1982-05-25 1983-12-21 Standard Telephones Cables Ltd Fibre optic gyroscope
EP0175298A2 (en) * 1984-09-14 1986-03-26 Develco, Incorporated Borehole sensing tool with optical rotation sensor
US4712306A (en) * 1985-12-27 1987-12-15 Mcdonnell Douglas Corporation Fiber optic earth rotation gyro compass

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116045949A (en) * 2023-03-31 2023-05-02 中国船舶集团有限公司第七〇七研究所 High-precision high-reliability optical fiber gyroscope and working method thereof

Also Published As

Publication number Publication date
GB2265457A (en) 1993-09-29
GB9206837D0 (en) 1992-05-13

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Legal Events

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

Effective date: 19990328