(19)
(11) EP 2 929 377 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
06.06.2018 Bulletin 2018/23

(45) Mention of the grant of the patent:
25.04.2018 Bulletin 2018/17

(21) Application number: 13859792.7

(22) Date of filing: 01.11.2013
(51) International Patent Classification (IPC): 
G01V 8/10(2006.01)
G01D 5/353(2006.01)
 G01N 21/84(2006.01)
G01N 21/954(2006.01)
(86) International application number:
PCT/US2013/068068
(87) International publication number:
WO 2014/088738 (12.06.2014 Gazette 2014/24)

(54)

POLARIZATION SCRAMBLING IN INTERFEROMETER SYSTEMS

POLARISATIONSSCRAMBLING BEI INTERFEROMETERSYSTEMEN

BROUILLAGE DE POLARISATION DANS DES SYSTÈMES INTERFÉROMÉTRIQUES

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 07.12.2012 US 201213707979

(43) Date of publication of application:
14.10.2015 Bulletin 2015/42

(73) Proprietor: Baker Hughes, a GE company, LLC
Houston, TX 77210-4740 (US)

(72) Inventors:
  • CHILDERS, Brooks A.
    Houston, Texas 77019-2118 (US)
  • DUNCAN, Roger Glen
    Houston, Texas 77019-2118 (US)
  • BALAGOPAL, Ajit
    Houston, TX 77019-2118 (US)
  • PROVENZANO, Dan, R.
    Houston, TX 77019-2118 (US)

(74) Representative: Mabey, Katherine Frances 
Dehns St Bride's House 10 Salisbury Square
London EC4Y 8JD
London EC4Y 8JD (GB)


(56) References cited: : 
US-A- 5 104 222
US-A1- 2002 093 662
US-A1- 2007 051 882
US-A1- 2012 297 883
 US-A- 5 104 222
US-A1- 2006 114 471
US-A1- 2009 207 416
US-B1- 6 856 401
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).