DE69109839D1 - Ringkreisel mit elektrooptischem Modulator. - Google Patents

Ringkreisel mit elektrooptischem Modulator.

Info

Publication number
DE69109839D1
DE69109839D1 DE69109839T DE69109839T DE69109839D1 DE 69109839 D1 DE69109839 D1 DE 69109839D1 DE 69109839 T DE69109839 T DE 69109839T DE 69109839 T DE69109839 T DE 69109839T DE 69109839 D1 DE69109839 D1 DE 69109839D1
Authority
DE
Germany
Prior art keywords
electro
optical modulator
ring gyroscope
gyroscope
ring
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 - Lifetime
Application number
DE69109839T
Other languages
English (en)
Other versions
DE69109839T2 (de
Inventor
Jacques Rochereau
Claude Leclerq
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.)
Safran Electronics and Defense SAS
Original Assignee
Sagem SA
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 Sagem SA filed Critical Sagem SA
Application granted granted Critical
Publication of DE69109839D1 publication Critical patent/DE69109839D1/de
Publication of DE69109839T2 publication Critical patent/DE69109839T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01C19/72—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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
DE1991609839 1990-12-21 1991-12-18 Ringkreisel mit elektrooptischem Modulator. Expired - Lifetime DE69109839T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9016122A FR2670885B1 (fr) 1990-12-21 1990-12-21 Gyrometre en anneau a modulateur electro-optique.

Publications (2)

Publication Number Publication Date
DE69109839D1 true DE69109839D1 (de) 1995-06-22
DE69109839T2 DE69109839T2 (de) 1995-09-28

Family

ID=9403551

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1991609839 Expired - Lifetime DE69109839T2 (de) 1990-12-21 1991-12-18 Ringkreisel mit elektrooptischem Modulator.

Country Status (6)

Country Link
EP (1) EP0493200B1 (de)
JP (1) JPH0642973A (de)
CA (1) CA2058214A1 (de)
DE (1) DE69109839T2 (de)
ES (1) ES2072578T3 (de)
FR (1) FR2670885B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2701315B1 (fr) * 1993-02-05 1995-04-28 Sagem Gyromètre à fibre optique à domaine de mesure étendu et procédé s'y rapportant.

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
JPH0617796B2 (ja) * 1984-02-17 1994-03-09 ザ・ボ−ド・オブ・トラステイ−ズ・オブ・ザ・レランド・スタンフオ−ド・ジユニア・ユニバ−シテイ 物理パラメ−タを検知し測定するための装置
JPH02186217A (ja) * 1988-09-09 1990-07-20 United Technol Corp <Utc> 所定パラメータを測定する装置及びその方法
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
JPH06103187B2 (ja) * 1989-05-12 1994-12-14 日本航空電子工業株式会社 光干渉角速度計

Also Published As

Publication number Publication date
EP0493200A1 (de) 1992-07-01
EP0493200B1 (de) 1995-05-17
ES2072578T3 (es) 1995-07-16
DE69109839T2 (de) 1995-09-28
FR2670885A1 (fr) 1992-06-26
FR2670885B1 (fr) 1993-04-09
JPH0642973A (ja) 1994-02-18
CA2058214A1 (fr) 1992-06-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SAGEM DEFENSE SECURITE S.A., PARIS, FR