(19)

(11)

EP 1 629 592 A1

(12)

(43) Date of publication: 01.03.2006 Bulletin 2006/09 (21) Application number: 04726562.4 (22) Date of filing: 08.04.2004

(51) International Patent Classification (IPC):  H02M 7/42(1968.09) (86) International application number: PCT/GB2004/001501 (87) International publication number: WO 2004/107549 (09.12.2004 Gazette 2004/50)

(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 (30) Priority: 30.05.2003 GB 0312378 (71) Applicant: Owen, Michael Great Bookam, Surrey KT23 4JS (GB)	(72) Inventor: Owen, Michael Great Bookam, Surrey KT23 4JS (GB)