GB1534998A - Laser angular rate sensor - Google Patents

Laser angular rate sensor

Info

Publication number
GB1534998A
GB1534998A GB31228/77A GB3122877A GB1534998A GB 1534998 A GB1534998 A GB 1534998A GB 31228/77 A GB31228/77 A GB 31228/77A GB 3122877 A GB3122877 A GB 3122877A GB 1534998 A GB1534998 A GB 1534998A
Authority
GB
United Kingdom
Prior art keywords
lock
rate sensor
beams
angular rate
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
Application number
GB31228/77A
Other languages
English (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.)
Honeywell Inc
Original Assignee
Honeywell Inc
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 Honeywell Inc filed Critical Honeywell Inc
Publication of GB1534998A publication Critical patent/GB1534998A/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
    • G01C19/661—Ring laser gyrometers details
    • G01C19/665—Ring laser gyrometers details control of the cavity

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)
  • Lasers (AREA)
  • Gyroscopes (AREA)
GB31228/77A 1976-08-02 1977-07-26 Laser angular rate sensor Expired GB1534998A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/710,526 US4152071A (en) 1976-08-02 1976-08-02 Control apparatus

Publications (1)

Publication Number Publication Date
GB1534998A true GB1534998A (en) 1978-12-06

Family

ID=24854398

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31228/77A Expired GB1534998A (en) 1976-08-02 1977-07-26 Laser angular rate sensor

Country Status (5)

Country Link
US (1) US4152071A (US08088816-20120103-C00036.png)
JP (1) JPS5318397A (US08088816-20120103-C00036.png)
DE (1) DE2733819A1 (US08088816-20120103-C00036.png)
FR (1) FR2360885A1 (US08088816-20120103-C00036.png)
GB (1) GB1534998A (US08088816-20120103-C00036.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412016A1 (de) * 1984-03-31 1985-10-03 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Ringlaser, insbesondere fuer ringlaserkreisel

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247831A (en) * 1977-11-30 1981-01-27 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Ring lasers
CA1125895A (en) * 1978-05-26 1982-06-15 Virgil E. Sanders Laser gyro mode locking reduction scheme
US4281930A (en) * 1978-12-18 1981-08-04 Litton Systems, Inc. Laser gyro with phased dithered mirrors
US4243324A (en) * 1979-03-21 1981-01-06 The Singer Company Feedback system for controlling lock-in in spring suspended ring laser gyroscope
US4422762A (en) * 1979-11-05 1983-12-27 Litton Systems, Inc. Ring laser
IL61156A (en) * 1979-11-05 1983-07-31 Litton Systems Inc Dithered ring laser with minimized mirror backscattering
US4386853A (en) * 1980-12-01 1983-06-07 The Singer Company Bending actuator for ring laser gyroscope
US4410276A (en) * 1981-06-15 1983-10-18 The Singer Company Ring laser gyroscope with doppler mirrors
EP0069366B1 (en) * 1981-07-06 1989-03-01 Honeywell Inc. Method and apparatus for angular rate sensing
US4473297A (en) * 1981-11-12 1984-09-25 The Singer Company Ring laser gyroscope utilizing phase detector for minimizing beam lock-in
US4653919A (en) * 1982-02-08 1987-03-31 Sundstrand Optical Technologies, Inc. Laser gyro with dithered mirrors and current dither
US4551021A (en) * 1982-03-01 1985-11-05 Honeywell Inc. Discriminant apparatus for laser gyros
EP0091550B1 (en) * 1982-03-01 1988-05-18 Honeywell Inc. Angular rate sensor
US4526469A (en) * 1982-03-01 1985-07-02 Honeywell Inc. Discriminant apparatus for laser gyros
US4605307A (en) * 1982-06-21 1986-08-12 Honeywell Inc. Apparatus for laser gyro
US4824252A (en) * 1982-06-25 1989-04-25 Honeywell Inc. Laser gyro system
US4657392A (en) * 1982-08-05 1987-04-14 Honeywell Inc. Lock-in rate discriminate apparatus for ring laser angular rate sensors
US5333046A (en) * 1982-08-27 1994-07-26 Raytheon Company Diagonal pathlength control
US4641970A (en) * 1982-09-20 1987-02-10 Honeywell Inc. Ring laser lock-in correction apparatus
US4648716A (en) * 1982-09-22 1987-03-10 Honeywell Inc. Discriminant apparatus for a ring laser angular rate sensor
US4637723A (en) * 1982-09-30 1987-01-20 Honeywell Inc. Discriminant apparatus for ring laser angular rate sensors
EP0113455A1 (en) * 1982-12-15 1984-07-18 Honeywell Inc. Apparatus for counting the number of fringe changes of a varying interference fringe pattern
US4585346A (en) * 1983-03-17 1986-04-29 The Singer Company Pathlength controller for three-axis ring laser gyroscope assembly
US4686683A (en) * 1984-01-09 1987-08-11 Litton Systems, Inc. Laser angular rate sensor with dithered mirrors
CA1252551A (en) * 1984-01-09 1989-04-11 Litton Systems, Inc. Laser angular rate sensor with dithered mirrors
JPS611072A (ja) * 1984-06-13 1986-01-07 Japan Aviation Electronics Ind Ltd 光角速度計のロツクイン周波数低減法
JPS6116587A (ja) * 1984-07-02 1986-01-24 Japan Aviation Electronics Ind Ltd 光角速度計
US5004343A (en) * 1986-03-14 1991-04-02 Raytheon Company Multiple ring paths in one block
US4795259A (en) * 1986-10-31 1989-01-03 Honeywell Inc. Path length control mechanization for a ring laser angular rate sensor
FR2621116B1 (fr) * 1987-09-25 1990-01-26 Quantel Sa Gyrometre optique actif a conjugaison de phase
US4963026A (en) * 1988-03-14 1990-10-16 Litton Systems, Inc. Cavity length control apparatus for a multi-oscillator
US4884283A (en) * 1988-12-20 1989-11-28 Litton Systems, Inc. Ring laser gyroscope mirror orientation system and method
US5335063A (en) * 1991-05-09 1994-08-02 Honeywell Inc. Laser path length control reset acceleration circuit
US5359413A (en) * 1992-01-13 1994-10-25 Kearfott Guidance And Navigation Corporation System for substantially eleminating lock-in in a ring laser gyroscope
US5438410A (en) * 1992-06-18 1995-08-01 Honeywell Inc. Ring laser gyro bias drift improvement method and apparatus
US5341209A (en) * 1992-09-30 1994-08-23 Honeywell Inc. Triangular dither drive apparatus for a ring laser gyroscope
US5400141A (en) * 1993-08-31 1995-03-21 Honeywell Inc. Method and system for minimizing angular random walk or bias in a ring laser gyroscope through the use of temperature based control
US5402232A (en) * 1993-08-31 1995-03-28 Honeywell Inc. Sample and hold control method and apparatus for improved scale factor linearity
US5450197A (en) * 1993-08-31 1995-09-12 Honeywell Inc. Device and method for reducing angular random walk in a ring laser gyroscope
US5450198A (en) * 1993-10-01 1995-09-12 Honeywell Inc. Laser gyro microprocessor based smart mode acquisition and high performance mode hopping
US5663792A (en) * 1996-02-09 1997-09-02 Killpatrick; Joseph E. Transverse mode selected operation for a ring laser
US6354964B1 (en) 1999-12-06 2002-03-12 Honeywell Inc. Single beam signal blanking for enhanced path length control in a ring laser gyro
FR2869105B1 (fr) * 2004-04-14 2006-06-30 Sagem Procede de commande en push-pull d'un gyrometre a laser
US8259302B2 (en) 2010-07-30 2012-09-04 Honeywell International Inc. Variable path length control modulation frequency
KR101869562B1 (ko) * 2011-12-27 2018-07-24 삼성전자주식회사 이동 단말에서 사운드 특성에 따른 진동 발생 장치 및 방법
US9651379B2 (en) 2014-11-17 2017-05-16 Honeywell International Inc. Eliminating ring laser gyro backscatter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3373650A (en) * 1965-04-02 1968-03-19 Honeywell Inc Laser angular rate sensor
US3697181A (en) * 1967-03-14 1972-10-10 Sperry Rand Corp Ring laser having amplitude and phase controlled crossed-beam anti-locking feedback
US3533014A (en) * 1968-06-04 1970-10-06 Massachusetts Inst Technology Gas ring laser using oscillating radiation scattering sources within the laser cavity
US3743969A (en) * 1969-11-12 1973-07-03 North American Rockwell Modulation servo control for frequency modulated ring laser gyro
US3612690A (en) * 1970-07-08 1971-10-12 Robert C Staats Laser gyro dither circuit
US3721497A (en) * 1971-04-19 1973-03-20 North American Rockwell Ring laser gyroscope linearization system
US3846025A (en) * 1973-04-02 1974-11-05 S Wilber Frequency sensitive laser rotary motion sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3412016A1 (de) * 1984-03-31 1985-10-03 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Ringlaser, insbesondere fuer ringlaserkreisel

Also Published As

Publication number Publication date
DE2733819C2 (US08088816-20120103-C00036.png) 1987-01-29
FR2360885B1 (US08088816-20120103-C00036.png) 1981-12-18
FR2360885A1 (fr) 1978-03-03
US4152071A (en) 1979-05-01
DE2733819A1 (de) 1978-02-09
JPS5318397A (en) 1978-02-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19970725