IL73151A - Laser angular rate sensor with dithered mirrors - Google Patents

Laser angular rate sensor with dithered mirrors

Info

Publication number
IL73151A
IL73151A IL73151A IL7315184A IL73151A IL 73151 A IL73151 A IL 73151A IL 73151 A IL73151 A IL 73151A IL 7315184 A IL7315184 A IL 7315184A IL 73151 A IL73151 A IL 73151A
Authority
IL
Israel
Prior art keywords
rate sensor
angular rate
laser angular
dithered
mirrors
Prior art date
Application number
IL73151A
Original Assignee
Litton Systems 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 Litton Systems Inc filed Critical Litton Systems Inc
Publication of IL73151A publication Critical patent/IL73151A/en

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)
IL73151A 1984-01-09 1984-10-03 Laser angular rate sensor with dithered mirrors IL73151A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56907984A 1984-01-09 1984-01-09

Publications (1)

Publication Number Publication Date
IL73151A true IL73151A (en) 1989-02-28

Family

ID=24274019

Family Applications (1)

Application Number Title Priority Date Filing Date
IL73151A IL73151A (en) 1984-01-09 1984-10-03 Laser angular rate sensor with dithered mirrors

Country Status (9)

Country Link
JP (1) JPS60160677A (en)
CA (1) CA1252551A (en)
DE (1) DE3500044A1 (en)
FR (1) FR2557970B1 (en)
GB (2) GB2152739B (en)
IL (1) IL73151A (en)
IT (1) IT1181841B (en)
NO (1) NO844141L (en)
SE (1) SE458722B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9115538D0 (en) * 1991-07-18 1991-09-04 Secr Defence Dither generation for ring laser gyroscopes
US5359413A (en) * 1992-01-13 1994-10-25 Kearfott Guidance And Navigation Corporation System for substantially eleminating lock-in in a ring laser gyroscope

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152071A (en) * 1976-08-02 1979-05-01 Honeywell Inc. Control apparatus
US4281930A (en) * 1978-12-18 1981-08-04 Litton Systems, Inc. Laser gyro with phased dithered mirrors
JPS5628036A (en) * 1979-08-14 1981-03-19 Toyota Motor Corp Tandem brake oil-hydraulic controller having bypass means
US4410276A (en) * 1981-06-15 1983-10-18 The Singer Company Ring laser gyroscope with doppler mirrors
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
US4824252A (en) * 1982-06-25 1989-04-25 Honeywell Inc. Laser gyro system
ZA844479B (en) * 1983-06-20 1985-04-24 Sunstrand Optical Technologies Downhole ring laser gyro

Also Published As

Publication number Publication date
GB2185147A (en) 1987-07-08
IT8547526A1 (en) 1986-07-07
FR2557970A1 (en) 1985-07-12
SE8500057L (en) 1985-07-10
GB8630989D0 (en) 1987-02-04
CA1252551A (en) 1989-04-11
NO844141L (en) 1985-07-10
GB8430489D0 (en) 1985-01-09
GB2185147B (en) 1987-11-25
JPS60160677A (en) 1985-08-22
SE8500057D0 (en) 1985-01-07
FR2557970B1 (en) 1988-11-25
GB2152739A (en) 1985-08-07
IT8547526A0 (en) 1985-01-07
GB2152739B (en) 1987-11-25
IT1181841B (en) 1987-09-30
SE458722B (en) 1989-04-24
DE3500044A1 (en) 1985-07-18

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Legal Events

Date Code Title Description
KB Patent renewed
RH1 Patent not in force