ZA844479B - Downhole ring laser gyro - Google Patents

Downhole ring laser gyro

Info

Publication number
ZA844479B
ZA844479B ZA844479A ZA844479A ZA844479B ZA 844479 B ZA844479 B ZA 844479B ZA 844479 A ZA844479 A ZA 844479A ZA 844479 A ZA844479 A ZA 844479A ZA 844479 B ZA844479 B ZA 844479B
Authority
ZA
South Africa
Prior art keywords
ring laser
laser gyro
downhole ring
downhole
gyro
Prior art date
Application number
ZA844479A
Other languages
English (en)
Inventor
Daryl C Stjern
Thomas M Wirt
Thomas Council
Original Assignee
Sunstrand Optical Technologies
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 Sunstrand Optical Technologies filed Critical Sunstrand Optical Technologies
Publication of ZA844479B publication Critical patent/ZA844479B/xx

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

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)
ZA844479A 1983-06-20 1984-06-13 Downhole ring laser gyro ZA844479B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50602983A 1983-06-20 1983-06-20

Publications (1)

Publication Number Publication Date
ZA844479B true ZA844479B (en) 1985-04-24

Family

ID=24012866

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA844479A ZA844479B (en) 1983-06-20 1984-06-13 Downhole ring laser gyro

Country Status (11)

Country Link
JP (1) JPS6018981A (xx)
AU (1) AU2947684A (xx)
BE (1) BE899974A (xx)
DE (1) DE3422889A1 (xx)
FR (1) FR2548357A1 (xx)
GB (1) GB2141868A (xx)
IT (1) IT8448410A0 (xx)
NL (1) NL8401964A (xx)
NO (1) NO842455L (xx)
SE (1) SE8403264L (xx)
ZA (1) ZA844479B (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1252551A (en) * 1984-01-09 1989-04-11 Litton Systems, Inc. Laser angular rate sensor with dithered mirrors
DE3544074A1 (de) * 1985-12-13 1987-06-19 Teldix Gmbh Einrichtung zur erzeugung von drehschwingungen fuer ringlasergyroskope
JP3367614B2 (ja) * 1991-10-17 2003-01-14 株式会社小松製作所 ダンプトラックの操舵輪油圧駆動装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4115004A (en) * 1976-11-15 1978-09-19 Litton Systems, Inc. Counterbalanced oscillating ring laser gyro
DE2821330A1 (de) * 1977-05-18 1978-11-30 Litton Systems Inc Ring-laser-gyroskop
US4190364A (en) * 1977-09-07 1980-02-26 The Singer Company Ring laser gyroscope
JPS5691487A (en) * 1979-12-25 1981-07-24 Kenji Aoshima Manufacture of ring laser oscillator

Also Published As

Publication number Publication date
AU2947684A (en) 1985-01-03
NL8401964A (nl) 1985-01-16
FR2548357A1 (fr) 1985-01-04
GB8415751D0 (en) 1984-07-25
JPS6018981A (ja) 1985-01-31
BE899974A (fr) 1984-12-20
SE8403264L (sv) 1984-12-21
GB2141868A (en) 1985-01-03
SE8403264D0 (sv) 1984-06-19
DE3422889A1 (de) 1984-12-20
IT8448410A0 (it) 1984-06-18
NO842455L (no) 1984-12-21

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