(19)

(11)

EP 1 444 752 A1

(12)

(43) Date of publication: 11.08.2004 Bulletin 2004/33 (21) Application number: 02802987.4 (22) Date of filing: 31.10.2002

(51) International Patent Classification (IPC)7: H01Q 3/26, H01Q 1/08 (86) International application number: PCT/EP2002/012281 (87) International publication number: WO 2003/043123 (22.05.2003 Gazette 2003/21)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 15.11.2001 GB 0127415 (71) Applicant: ROKE MANOR RESEARCH LIMITED Romsey,Hants SO51 0ZN (GB)	(72) Inventor: TARRAN, Christopher John Romsey,Hants SO51 6AR (GB) (74) Representative: Payne, Janice Julia  Siemens AG,Postfach 22 16 34 80506 München 80506 München (DE)