(19)

(11)

EP 1 334 536 A2

(12)

(88) Date of publication A3: 27.06.2002 (43) Date of publication: 13.08.2003 Bulletin 2003/33 (21) Application number: 01968077.6 (22) Date of filing: 24.08.2001

(51) International Patent Classification (IPC)7: H01Q 13/18 (86) International application number: PCT/US0126/273 (87) International publication number: WO 0201/9468 (07.03.2002 Gazette 2002/10)

(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 (71) Applicant: Raytheon Company El Segundo, California 90245 (US)	(72) Inventors: BROWN, Kenneth, W. Yucaipa, CA 92399 (US) DRAKE, Thomas, A. Yucaipa, CA 92399 (US) (74) Representative: Jackson, Richard Eric et al Carpmaels & Ransford,43 Bloomsbury Square London WC1A 2RA London WC1A 2RA (GB)