(19)

(11)

EP 1 362 497 A1

(12)

(43) Date of publication: 19.11.2003 Bulletin 2003/47 (21) Application number: 02700906.7 (22) Date of filing: 20.02.2002

(51) International Patent Classification (IPC)7: H04R 17/02 // (G01C3/00, G01S17:06) (86) International application number: PCT/NO0200/071 (87) International publication number: WO 0207/4010 (19.09.2002 Gazette 2002/38)

(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 (30) Priority: 21.02.2001 WO PCT/NO01/00064 06.12.2001 NO 20015985 (71) Applicant: Meditron ASA 1392 Vettre (NO)	(72) Inventor: ORTEN, Birger N-6012 lesund (NO) (74) Representative: Brunner, Michael John  GILL JENNINGS & EVERY,Broadgate House,7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)