(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)
7
:
G01F
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