(19)

(11)

EP 1 247 071 A1

(12)

(43) Date of publication: 09.10.2002 Bulletin 2002/41 (21) Application number: 00989122.7 (22) Date of filing: 20.12.2000

(51) International Patent Classification (IPC)7: G01B 11/26, G01D 5/347, G01C 3/00 (86) International application number: PCT/SE0002/618 (87) International publication number: WO 0104/6644 (28.06.2001 Gazette 2001/26)

(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: 20.12.1999 SE 9904661 (71) Applicant: Andersson, Erik 430 40 Kullavik (SE)	(72) Inventor: Andersson, Erik 430 40 Kullavik (SE) (74) Representative: Lindberg, Klas Valter Bo  Awapatent ABP.O. Box 11394 404 28 Göteborg 404 28 Göteborg (SE)