DE68903333D1 - Optischer faserkreisel. - Google Patents

Optischer faserkreisel.

Info

Publication number: DE68903333D1
Authority: DE; Germany
Prior art keywords: optical fiber; fiber gyro; gyro; optical; fiber
Prior art date: 1989-03-20
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 - Fee Related

Application number

DE8989200685T

Other languages

English (en)

Other versions

DE68903333T2 (de

Inventor

Malcolm P British Aero Varnham

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.)

Northrop Grumman Litef GmbH

Original Assignee

British Aerospace PLC

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.)

1989-03-20

Filing date

1989-03-20

Publication date

1992-12-03

1989-03-20 Application filed by British Aerospace PLC filed Critical British Aerospace PLC

1992-12-03 Application granted granted Critical

1992-12-03 Publication of DE68903333D1 publication Critical patent/DE68903333D1/de

1993-03-11 Publication of DE68903333T2 publication Critical patent/DE68903333T2/de

2009-03-21 Anticipated expiration legal-status Critical

Status Expired - Fee Related 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)

DE1989603333 1989-03-20 1989-03-20 Optischer faserkreisel. Expired - Fee Related DE68903333T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP19890200685 EP0388530B1 (de)	1989-03-20	1989-03-20	Optischer Faserkreisel

Publications (2)

Publication Number	Publication Date
DE68903333D1 true DE68903333D1 (de)	1992-12-03
DE68903333T2 DE68903333T2 (de)	1993-03-11

Family

ID=8202342

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE1989603333 Expired - Fee Related DE68903333T2 (de)	1989-03-20	1989-03-20	Optischer faserkreisel.

Country Status (2)

Country	Link
EP (1)	EP0388530B1 (de)
DE (1)	DE68903333T2 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2108652B (en) *	1981-10-27	1985-05-30	Standard Telephones Cables Ltd	Fibre-optic interferometer gyroscope
GB2134248B (en) *	1983-01-21	1986-11-26	Standard Telephones Cables Ltd	Closed loop fibre-optic gyroscope
EP0153123B1 (de) *	1984-02-17	1991-04-10	The Board Of Trustees Of The Leland Stanford Junior University	Faseroptischer Rotationssensor mit Torschaltung und mit erweitertem dynamischem Messbereich
GB2178162B (en) *	1985-07-18	1989-08-09	Stc Plc	Fibre optic gyroscope

1989
- 1989-03-20 DE DE1989603333 patent/DE68903333T2/de not_active Expired - Fee Related
- 1989-03-20 EP EP19890200685 patent/EP0388530B1/de not_active Expired

Also Published As

Publication number	Publication date
EP0388530B1 (de)	1992-10-28
EP0388530A1 (de)	1990-09-26
DE68903333T2 (de)	1993-03-11

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Legal Events

Date	Code	Title	Description
1993-11-25	8364	No opposition during term of opposition
1998-01-29	8327	Change in the person/name/address of the patent owner	Owner name: LITEF GMBH, 79115 FREIBURG, DE
2007-01-18	8339	Ceased/non-payment of the annual fee