(19)
(11) EP 0 808 473 A1

(12)

(43) Date of publication:
26.11.1997 Bulletin 1997/48

(21) Application number: 96902554.0

(22) Date of filing: 02.02.1996
(51) International Patent Classification (IPC): 
H04J 14/ 00( . )
H04B 10/ 02( . )
H04J 14/ 02( . )
 G02B 6/ 34( . )
H04B 10/ 20( . )
(86) International application number:
PCT/SE1996/000121
(87) International publication number:
WO 1996/024871 (15.08.1996 Gazette 1996/37)
(84) Designated Contracting States:
CH DE DK ES FR GB GR IE IT LI NL

(30) Priority: 06.02.1995 SE 19950000406

(71) Applicant: TELEFONAKTIEBOLAGET LM ERICSSON
126 25 Stockholm (SE)

(72) Inventors:
  • ÖBERG, Magnus
    S-129 40 Hägersten (SE)
  • JOHANSSON, Bengt
    S-138 29 Hägersten (SE)
  • JOHANSEN, Lars
    S-132 47 Saltsjö-Boo (SE)
  • EGNELL, Lars
    S-133 37 Saltsjöbaden (SE)
  • LAGERSTRÖM, Bo
    S-127 34 Skärholmen (SE)
  • BONNEDAL, Dag
    S-122 37 Enskede (SE)
  • SANDELL, Johan
    S-120 48 Enskede G rd (SE)
  • FRANSSON, Owe
    S-145 64 Norsborg (SE)

(74) Representative: Willquist, Bo 
Willquist & Partners Patentbyra AB, S:t Larsgatan 23
582 24 Linköping
582 24 Linköping (SE)

   


(54) ARRANGEMENT AND METHOD AT AN OPTICAL FIBRE