(19)

(11)

EP 1 749 294 A1

(12)

(43) Date of publication: 07.02.2007 Bulletin 2007/06 (21) Application number: 05737805.1 (22) Date of filing: 14.04.2005

(51) International Patent Classification (IPC):  G10K 9/122(2006.01) (86) International application number: PCT/BE2005/000049 (87) International publication number: WO 2005/116989 (08.12.2005 Gazette 2005/49)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 27.05.2004 BE 200400263 (71) Applicant: Sonitron, naamloze Vennootschap 9100 Sint-Niklaas (BE)	(72) Inventor: MICHIELS, Hugo 9180 Moerbeke-Waas (BE) (74) Representative: Donné, Eddy  Bureau M.F.J. Bockstael nv Arenbergstraat 13 2000 Antwerpen 2000 Antwerpen (BE)