IN172200B - - Google Patents

Info

Publication number
IN172200B
IN172200B IN1145/DEL/87A IN1145DE1987A IN172200B IN 172200 B IN172200 B IN 172200B IN 1145DE1987 A IN1145DE1987 A IN 1145DE1987A IN 172200 B IN172200 B IN 172200B
Authority
IN
India
Application number
IN1145/DEL/87A
Other languages
English (en)
Inventor
Thomas Sleight Kohm
Original Assignee
Kollmorgen Corp
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 Kollmorgen Corp filed Critical Kollmorgen Corp
Publication of IN172200B publication Critical patent/IN172200B/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
    • G01C19/72—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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Optics & Photonics (AREA)
  • Gyroscopes (AREA)
IN1145/DEL/87A 1987-03-27 1987-12-29 IN172200B (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3132387A 1987-03-27 1987-03-27

Publications (1)

Publication Number Publication Date
IN172200B true IN172200B (fr) 1993-05-01

Family

ID=21858815

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1145/DEL/87A IN172200B (fr) 1987-03-27 1987-12-29

Country Status (6)

Country Link
EP (1) EP0294915B1 (fr)
JP (1) JPH0663775B2 (fr)
KR (1) KR920004324B1 (fr)
CA (1) CA1298635C (fr)
DE (1) DE3880891T2 (fr)
IN (1) IN172200B (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02145911A (ja) * 1988-11-28 1990-06-05 Tech Res & Dev Inst Of Japan Def Agency 光ファイバ・ジャイロ
US5020912A (en) * 1989-02-03 1991-06-04 Litton Systems, Inc. Fiber optic rotation sensing system and method for basing a feedback signal outside of a legion of instability
US4948252A (en) * 1989-05-24 1990-08-14 Litton Systems, Inc. Sub-tau phase modulation in a fiber-optic rotation sensor
EP0436052B1 (fr) * 1990-01-03 1992-09-23 LITEF GmbH nnterféromètre de Sagnac à fibre optique avec rappel numérique de déphasage pour la mesure de la vitesse de rotation
EP0441998B1 (fr) * 1990-02-12 1993-06-02 LITEF GmbH Interféromètre de Sagnac à fibre optique avec annulation numérique de déphasage pour la mesure de la vitesse de rotation
US5137357A (en) * 1990-06-27 1992-08-11 Honeywell Inc. Interferometric signal analysis with modulation switching
DE4034664A1 (de) * 1990-10-31 1992-05-07 Litef Gmbh Faseroptisches sagnac-interferometer zur drehratenmessung
JPH0749963B2 (ja) * 1990-12-26 1995-05-31 日本航空電子工業株式会社 光干渉角速度計
DE69118865D1 (de) * 1991-03-01 1996-05-23 Matsushita Electric Ind Co Ltd Optische Einrichtung zum Messen einer Drehung und zugehöriges Verfahren
WO1999056080A1 (fr) * 1998-04-27 1999-11-04 Tokimec Inc. Gyroscope a fibres optiques
RU2500989C2 (ru) * 2011-12-16 2013-12-10 Федеральное государственное унитарное предприятие "Центр эксплуатации объектов наземной космической инфракструктуры" (ФГУП "ЦЭНКИ") Электронный блок волоконно-оптического гироскопа

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2566133B1 (fr) * 1984-06-14 1986-08-29 Thomson Csf Dispositif de mesure d'un dephasage non reciproque engendre dans un interferometre en anneau

Also Published As

Publication number Publication date
DE3880891D1 (de) 1993-06-17
EP0294915B1 (fr) 1993-05-12
KR920004324B1 (ko) 1992-06-01
CA1298635C (fr) 1992-04-07
EP0294915A2 (fr) 1988-12-14
EP0294915A3 (en) 1990-11-14
KR880011617A (ko) 1988-10-29
JPH0663775B2 (ja) 1994-08-22
DE3880891T2 (de) 1993-08-26
JPS63255613A (ja) 1988-10-21

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