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(11)

EP 1 743 397 A1

(12)

(43) Date of publication: 17.01.2007 Bulletin 2007/03 (21) Application number: 05749908.9 (22) Date of filing: 03.05.2005

(51) International Patent Classification (IPC):  H01Q 1/38(2006.01) (86) International application number: PCT/SE2005/000643 (87) International publication number: WO 2005/107008 (10.11.2005 Gazette 2005/45)

(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: 03.05.2004 SE 0401144 (71) Applicant: POWER TECHNOLOGIES SWEDEN AB 187 80 Täby (SE)	(72) Inventor: UDDIN, Jesper S-114 21 Stockholm (SE) (74) Representative: Janson, Ronny et al Ehrner & Delmar Patentbyra AB, Box 10316 100 55 Stockholm 100 55 Stockholm (SE)