Global Patent Index - EP 1387997 A1

EP 1387997 A1 20040211 - DEVICE FOR MEASURING A NON-RECIPROCAL EFFECT, IN PARTICULAR FIBRE-OPTIC GYRO

Title (en)

DEVICE FOR MEASURING A NON-RECIPROCAL EFFECT, IN PARTICULAR FIBRE-OPTIC GYRO

Title (de)

MESSVORRICHTUNG FUR NICHTREZIPROKEN EFFEKT, INSBESONDERE EIN OPTISCHER FASERKREISEL

Title (fr)

DISPOSITIF DE MESURE D'UN EFFET NON RéCIPROQUE, NOTAMMENT GYROMèTRE A FIBRE OPTIQUE

Publication

EP 1387997 A1 20040211 (FR)

Application

EP 02735538 A 20020514

Priority

  • FR 0201622 W 20020514
  • FR 0106602 A 20010518

Abstract (en)

[origin: FR2824906A1] The non reciprocal measurement mechanism has a source of light (1) , an optical monomode filter (52) and two paths (81,82) from a light separator (7). The separator is a polarization separator, the filter is non polarizing. The detector (3) has a system of analysis of the polarization state.

IPC 1-7

G01C 19/72

IPC 8 full level

G01C 19/72 (2006.01)

CPC (source: EP US)

G01C 19/72 (2013.01 - EP US)

Citation (search report)

See references of WO 02095332A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

FR 2824906 A1 20021122; FR 2824906 B1 20030808; EP 1387997 A1 20040211; JP 2004525386 A 20040819; US 2004136007 A1 20040715; US 7130053 B2 20061031; WO 02095332 A1 20021128

DOCDB simple family (application)

FR 0106602 A 20010518; EP 02735538 A 20020514; FR 0201622 W 20020514; JP 2002591763 A 20020514; US 47624803 A 20031030