CA2058311A1 - Gyroscope a fibre optique - Google Patents

Gyroscope a fibre optique

Info

Publication number
CA2058311A1
CA2058311A1 CA2058311A CA2058311A CA2058311A1 CA 2058311 A1 CA2058311 A1 CA 2058311A1 CA 2058311 A CA2058311 A CA 2058311A CA 2058311 A CA2058311 A CA 2058311A CA 2058311 A1 CA2058311 A1 CA 2058311A1
Authority
CA
Canada
Prior art keywords
signal
outputs
output
overflow
accumulated
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.)
Granted
Application number
CA2058311A
Other languages
English (en)
Other versions
CA2058311C (fr
Inventor
Motohiro Ishigami
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.)
Japan Aviation Electronics Industry Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2058311A1 publication Critical patent/CA2058311A1/fr
Application granted granted Critical
Publication of CA2058311C publication Critical patent/CA2058311C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0038—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller (comparing pulses or pulse trains according to amplitude)
    • 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
    • G01C19/72—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams with counter-rotating light beams in a passive ring, e.g. fibre laser gyrometers
    • G01C19/726—Phase nulling gyrometers, i.e. compensating the Sagnac phase shift in a closed loop system

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
CA002058311A 1990-12-26 1991-12-23 Gyroscope a fibre optique Expired - Fee Related CA2058311C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2406826A JPH0749963B2 (ja) 1990-12-26 1990-12-26 光干渉角速度計
JP406826/90 1990-12-26

Publications (2)

Publication Number Publication Date
CA2058311A1 true CA2058311A1 (fr) 1992-06-27
CA2058311C CA2058311C (fr) 1997-06-17

Family

ID=18516449

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002058311A Expired - Fee Related CA2058311C (fr) 1990-12-26 1991-12-23 Gyroscope a fibre optique

Country Status (5)

Country Link
US (1) US5166750A (fr)
EP (1) EP0492580B1 (fr)
JP (1) JPH0749963B2 (fr)
CA (1) CA2058311C (fr)
DE (1) DE69111206T2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04270913A (ja) * 1991-02-27 1992-09-28 Japan Aviation Electron Ind Ltd 光干渉角速度計
JP4996411B2 (ja) * 2007-10-03 2012-08-08 日本航空電子工業株式会社 閉ループ型光干渉角速度計

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2555739B1 (fr) * 1980-11-07 1986-04-04 Thomson Csf Dispositif de mesure d'un dephasage non reciproque engendre dans un interferometre en anneau
GB8611394D0 (en) * 1986-05-08 1986-10-29 British Aerospace Fibre optic gyroscopes
IN172200B (fr) * 1987-03-27 1993-05-01 Kollmorgen Corp
JPH0652173B2 (ja) * 1989-03-23 1994-07-06 日本航空電子工業株式会社 光千渉角速度計
JPH0654236B2 (ja) * 1989-11-30 1994-07-20 日本航空電子工業株式会社 デジタルフェイズランプ方式光干渉角速度計

Also Published As

Publication number Publication date
JPH04223213A (ja) 1992-08-13
EP0492580A2 (fr) 1992-07-01
EP0492580A3 (en) 1992-12-16
EP0492580B1 (fr) 1995-07-12
DE69111206T2 (de) 1996-01-18
JPH0749963B2 (ja) 1995-05-31
DE69111206D1 (de) 1995-08-17
US5166750A (en) 1992-11-24
CA2058311C (fr) 1997-06-17

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed