(19)

(11)

EP 1 348 245 A1

(12)

(43) Date of publication: 01.10.2003 Bulletin 2003/40 (21) Application number: 01270927.5 (22) Date of filing: 07.12.2001

(51) International Patent Classification (IPC)7: H01Q 9/04 (86) International application number: PCT/GB0105/397 (87) International publication number: WO 0204/9154 (20.06.2002 Gazette 2002/25)

(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: 15.12.2000 GB 0030602 (71) Applicant: ANTENOVA LIMITED Cambridge CB5 9AR (GB)	(72) Inventors: KINGSLEY, Simon, Philip Sheffield S10 3RP (GB) O'KEEFE, Steven, Gregory Chambers Flat, QLD 4133 (AU) (74) Representative: Harrison Goddard Foote  Belgrave Hall Belgrave Street Leeds LS2 8DD Leeds LS2 8DD (GB)