GB2017392B - Phase-locked loop laser gyroscope - Google Patents

Phase-locked loop laser gyroscope

Info

Publication number
GB2017392B
GB2017392B GB7908589A GB7908589A GB2017392B GB 2017392 B GB2017392 B GB 2017392B GB 7908589 A GB7908589 A GB 7908589A GB 7908589 A GB7908589 A GB 7908589A GB 2017392 B GB2017392 B GB 2017392B
Authority
GB
United Kingdom
Prior art keywords
phase
locked loop
laser gyroscope
loop laser
gyroscope
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
GB7908589A
Other versions
GB2017392A (en
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Publication of GB2017392A publication Critical patent/GB2017392A/en
Application granted granted Critical
Publication of GB2017392B publication Critical patent/GB2017392B/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
    • G01C19/667—Ring laser gyrometers using a multioscillator ring laser

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
  • Lasers (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB7908589A 1978-03-27 1979-03-12 Phase-locked loop laser gyroscope Expired GB2017392B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US89042378A 1978-03-27 1978-03-27

Publications (2)

Publication Number Publication Date
GB2017392A GB2017392A (en) 1979-10-03
GB2017392B true GB2017392B (en) 1982-05-26

Family

ID=25396657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7908589A Expired GB2017392B (en) 1978-03-27 1979-03-12 Phase-locked loop laser gyroscope

Country Status (4)

Country Link
JP (1) JPS54139392A (en)
CA (1) CA1136249A (en)
DE (1) DE2911789A1 (en)
GB (1) GB2017392B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1132692A (en) * 1978-04-07 1982-09-28 James B. Matthews Phase-locked laser gyroscope system
US4697888A (en) * 1982-04-21 1987-10-06 Chevron Research Company Frequency shifted cavity for electromagnetic radiation
US4586184A (en) * 1983-10-21 1986-04-29 Chevron Research Company Acoustically controlled frequency shifted cavity for electromagnetic radiation
US4652132A (en) * 1983-11-07 1987-03-24 Raytheon Company Optical power compensated ring laser gyroscope
GB2184285B (en) * 1983-11-07 1990-08-01 Raytheon Co Ring laser gyroscope
JP3323844B2 (en) 1999-01-18 2002-09-09 キヤノン株式会社 gyro
US6665330B1 (en) 1999-09-14 2003-12-16 Canon Kabushiki Kaisha Semiconductor device having a semiconductor ring laser with a circularly formed ridge optical waveguide
JP2001159521A (en) 1999-12-01 2001-06-12 Canon Inc Angular velocity detecting device
FR2876447B1 (en) * 2004-03-16 2007-11-02 Thales Sa STABILIZED SOLID STATE GYROLASER WITH FOUR MODES WITHOUT BLIND AREA

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3697181A (en) * 1967-03-14 1972-10-10 Sperry Rand Corp Ring laser having amplitude and phase controlled crossed-beam anti-locking feedback
US3741657A (en) * 1971-03-03 1973-06-26 Raytheon Co Laser gyroscope
US3807866A (en) * 1972-04-21 1974-04-30 Rockwell International Corp Ring laser gyroscope having a constant output beat-frequency
US3846025A (en) * 1973-04-02 1974-11-05 S Wilber Frequency sensitive laser rotary motion sensor

Also Published As

Publication number Publication date
CA1136249A (en) 1982-11-23
JPS54139392A (en) 1979-10-29
DE2911789A1 (en) 1979-10-04
GB2017392A (en) 1979-10-03
JPS6141158B2 (en) 1986-09-12
DE2911789C2 (en) 1991-08-29

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Legal Events

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

Effective date: 19970312