NL8400291A - Laser gyro met trillende spiegels en stroomtrilling. - Google Patents

Laser gyro met trillende spiegels en stroomtrilling. Download PDF

Info

Publication number
NL8400291A
NL8400291A NL8400291A NL8400291A NL8400291A NL 8400291 A NL8400291 A NL 8400291A NL 8400291 A NL8400291 A NL 8400291A NL 8400291 A NL8400291 A NL 8400291A NL 8400291 A NL8400291 A NL 8400291A
Authority
NL
Netherlands
Prior art keywords
gyro
mirrors
current
output
cavity
Prior art date
Application number
NL8400291A
Other languages
English (en)
Dutch (nl)
Original Assignee
Sundstrand Optical Tech
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 Sundstrand Optical Tech filed Critical Sundstrand Optical Tech
Publication of NL8400291A publication Critical patent/NL8400291A/nl

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
    • G01C19/68—Lock-in prevention
    • G01C19/70—Lock-in prevention by mechanical means

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)
  • Semiconductor Lasers (AREA)
NL8400291A 1983-01-31 1984-01-31 Laser gyro met trillende spiegels en stroomtrilling. NL8400291A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/462,548 US4653919A (en) 1982-02-08 1983-01-31 Laser gyro with dithered mirrors and current dither
US46254883 1983-01-31

Publications (1)

Publication Number Publication Date
NL8400291A true NL8400291A (nl) 1984-08-16

Family

ID=23836837

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8400291A NL8400291A (nl) 1983-01-31 1984-01-31 Laser gyro met trillende spiegels en stroomtrilling.

Country Status (11)

Country Link
US (1) US4653919A (no)
JP (1) JPS59143386A (no)
AU (1) AU546735B2 (no)
BE (1) BE898703A (no)
DE (1) DE3403308A1 (no)
FR (1) FR2540242A1 (no)
GB (4) GB2136630A (no)
IT (1) IT1199054B (no)
NL (1) NL8400291A (no)
NO (1) NO840079L (no)
SE (1) SE8400266L (no)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5347360A (en) * 1982-08-27 1994-09-13 Ratheon Company Ring laser gyro
CA1252551A (en) * 1984-01-09 1989-04-11 Litton Systems, Inc. Laser angular rate sensor with dithered mirrors
US4867567A (en) * 1987-08-21 1989-09-19 Litton Systems, Inc. Ring laser gyro frame design resistant to thermal gradient effects
US5012174A (en) * 1988-06-20 1991-04-30 Sperry Marine Inc. Method and apparatus for countering vibrations of a platform
US5854677A (en) * 1990-08-31 1998-12-29 Rockwell International Corporation RLG optical noise injector
US5323228A (en) * 1991-04-22 1994-06-21 Alliedsignal Inc. Cavity length controller for ring laser gyroscope applications
US5359413A (en) * 1992-01-13 1994-10-25 Kearfott Guidance And Navigation Corporation System for substantially eleminating lock-in in a ring laser gyroscope
US5450197A (en) * 1993-08-31 1995-09-12 Honeywell Inc. Device and method for reducing angular random walk in a ring laser gyroscope
US5469258A (en) * 1993-11-29 1995-11-21 Allied Signal Inc. Ring laser gyroscope with tilting mirrors
US5686777A (en) * 1995-09-21 1997-11-11 New Jersey Institute Of Technology High accuracy piezoelectric positioning device
US6683692B2 (en) 2001-06-21 2004-01-27 Honeywell International Dither system for motion sensors
US8259302B2 (en) 2010-07-30 2012-09-04 Honeywell International Inc. Variable path length control modulation frequency
JP2023115546A (ja) * 2022-02-08 2023-08-21 日本航空電子工業株式会社 リングレーザージャイロスコープ
CN115290124B (zh) * 2022-10-10 2022-12-13 天津集智航宇科技有限公司 一种激光陀螺无转动出光真空老练装置及方法

Family Cites Families (13)

* 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
US3752586A (en) * 1969-08-04 1973-08-14 North American Rockwell Minimizing frequency locking in ring laser gyroscopes
US3612690A (en) * 1970-07-08 1971-10-12 Robert C Staats Laser gyro dither circuit
US4152071A (en) * 1976-08-02 1979-05-01 Honeywell Inc. Control apparatus
CA1085031A (en) * 1976-11-08 1980-09-02 Litton Systems, Inc. Laser gyro with phased dithered mirrors
JPS543492A (en) * 1977-06-09 1979-01-11 Nec Corp Laser gyro
US4281930A (en) * 1978-12-18 1981-08-04 Litton Systems, Inc. Laser gyro with phased dithered mirrors
IL61156A (en) * 1979-11-05 1983-07-31 Litton Systems Inc Dithered ring laser with minimized mirror backscattering
JPS5738194A (en) * 1980-08-20 1982-03-02 Oji Paper Co Ltd Master plate for lithography
US4410274A (en) * 1981-06-08 1983-10-18 The Singer Company Ring laser gyroscope with doppler mirrors and offset actuators
US4410276A (en) * 1981-06-15 1983-10-18 The Singer Company Ring laser gyroscope with doppler mirrors
US4473297A (en) * 1981-11-12 1984-09-25 The Singer Company Ring laser gyroscope utilizing phase detector for minimizing beam lock-in
US4526469A (en) * 1982-03-01 1985-07-02 Honeywell Inc. Discriminant apparatus for laser gyros

Also Published As

Publication number Publication date
SE8400266L (sv) 1984-08-01
FR2540242A1 (fr) 1984-08-03
GB2143366A (en) 1985-02-06
AU2392184A (en) 1985-06-06
GB8414148D0 (en) 1984-07-11
IT1199054B (it) 1988-12-30
GB8401247D0 (en) 1984-02-22
JPH0462193B2 (no) 1992-10-05
DE3403308A1 (de) 1984-09-06
JPS59143386A (ja) 1984-08-16
IT8447609A0 (it) 1984-01-27
SE8400266D0 (sv) 1984-01-20
GB8414147D0 (en) 1984-07-11
GB2136630A (en) 1984-09-19
GB2143368A (en) 1985-02-06
GB2143367A (en) 1985-02-06
AU546735B2 (en) 1985-09-19
BE898703A (fr) 1984-07-17
GB8414149D0 (en) 1984-07-11
NO840079L (no) 1984-08-01
US4653919A (en) 1987-03-31

Similar Documents

Publication Publication Date Title
NL8400291A (nl) Laser gyro met trillende spiegels en stroomtrilling.
JP2644067B2 (ja) リングレーザジヤイロスコープ用デイザ駆動システム
US5359413A (en) System for substantially eleminating lock-in in a ring laser gyroscope
US4789241A (en) Optical fiber sensing systems having acoustical optical deflection and; modulation devices
US4281930A (en) Laser gyro with phased dithered mirrors
US3533014A (en) Gas ring laser using oscillating radiation scattering sources within the laser cavity
US4686683A (en) Laser angular rate sensor with dithered mirrors
CA1085031A (en) Laser gyro with phased dithered mirrors
GB2062950A (en) Ring lasers
US4801206A (en) Simplified ring laser gyroscope dither control and method
JP4445049B2 (ja) 光ファイバジャイロスコープ用速度制御ループ
US6441907B1 (en) High accuracy ring laser interferometer using an external cavity ring laser
US5367528A (en) Motion induced elimination of dead band in a short pulse laser gyro
US4616930A (en) Optically biased twin ring laser gyroscope
JPH0613683A (ja) 二つの磁気ミラーを有するリングレーザージャイロ
JPS63124587A (ja) リングレーザジャイロスコープおよび光波間に非相反周波数分離を生じるための方法
US3941481A (en) Ring laser having elastic wave bias
JPS6052071A (ja) リングレ−ザ角速度センサ
JPS60160677A (ja) レ−ザ角速度センサ
JPS61283812A (ja) 広いダイナミツクレンジを有する光フアイバジヤイロ
EP0171428A1 (en) Ring laser gyro tilt mirror dither
Varlamov et al. Reduction of Instabilities in Lithium Niobate Integrated Acousto-optic Frequency Shift Modulators
Harrison et al. Piezoelectric ceramics for high reliability ring laser gyros
JPH0310882B2 (no)
Udd et al. Comparison of ring laser and fiber-optic gyro technology

Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
A85 Still pending on 85-01-01
BV The patent application has lapsed