(19)
(11) EP 1 409 970 A1

(12)

(43) Date of publication:
21.04.2004 Bulletin 2004/17

(21) Application number: 02733761.7

(22) Date of filing: 19.06.2002
(51) International Patent Classification (IPC)7G01F 23/284
(86) International application number:
PCT/SE2002/001227
(87) International publication number:
WO 2003/001160 (03.01.2003 Gazette 2003/01)
(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: 21.06.2001 SE 0102283

(71) Applicant: SAAB MARINE ELECTRONICS AKTIEBOLAG
402 51 Göteborg (SE)

(72) Inventors:
  • AKERSTRÖM, Tomas
    S-426 58 V. Frölunda (SE)
  • WESTERLIND, Hans
    S-436 39 Askim (SE)

(74) Representative: Hammond, Andrew David 
Ström & Gulliksson IP ABSjöporten 4
417 64 Göteborg
417 64 Göteborg (SE)

   


(54) METHOD FOR DETERMINATION OF TANK BOTTOM CHARACTERISITCS