(19)

(11)

EP 1 606 595 A1

(12)

(43) Date of publication: 21.12.2005 Bulletin 2005/51 (21) Application number: 04717911.4 (22) Date of filing: 05.03.2004

(51) International Patent Classification (IPC)7: G01F 23/284 (86) International application number: PCT/SE2004/000311 (87) International publication number: WO 2004/083791 (30.09.2004 Gazette 2004/40)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 21.03.2003 SE 0300819 21.03.2003 US 393371 (71) Applicant: SAAB Rosemount Tank Radar AB 402 51 Göteborg (SE)	(72) Inventor: HÄGG, Lennart S-434 98 Kungsbacka (SE) (74) Representative: Edlund, Fabian  AWAPATENT AB, P.O. Box 11 394 404 28 Göteborg 404 28 Göteborg (SE)