(19)
(11) EP 1 468 246 A2

(12)

(88) Date of publication A3:
10.10.2002

(43) Date of publication:
20.10.2004 Bulletin 2004/43

(21) Application number: 02700001.7

(22) Date of filing: 21.01.2002
(51) International Patent Classification (IPC)7: G01B 11/00, G01B 11/12, G01B 11/24, G02B 23/24, A61B 1/05, H04R 25/00
(86) International application number:
PCT/CH2002/000030
(87) International publication number:
WO 2002/021894 (21.03.2002 Gazette 2002/12)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(71) Applicant: PHONAK AG
8712 Stäfa (CH)

(72) Inventors:
  • COLLIER, Nick
    GB-Cambridge CB5 0AA (GB)
  • EDWARDS, Roger
    GB-Cambridge CB5 0RS (GB)
  • JONES, Ross
    GB-Cambridge CB1 8QL (GB)
  • POOLEY, David
    GB-Cambridge CB1 7AW (GB)
  • SCOTT, Valerie
    GB-Cambridge CB5 8JE (GB)

(74) Representative: Troesch Scheidegger Werner AG 
Schwäntenmos 14
8126 Zumikon
8126 Zumikon (CH)

   


(54) METHOD FOR THE RECONSTRUCTION OF THE GEOMETRY OF THE INNER SURFACE OF A CAVITY