(19)

(11)

EP 1 151 496 A1

(12)

(43) Date of publication: 07.11.2001 Bulletin 2001/45 (21) Application number: 00915737.1 (22) Date of filing: 03.02.2000

(51) International Patent Classification (IPC)7: H01Q 1/36 (86) International application number: PCT/US0002/717 (87) International publication number: WO 0046/874 (10.08.2000 Gazette 2000/32)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 04.02.1999 US 118600 P (71) Applicant: Maxrad Inc. Hanover Park, IL 60103 (US)	(72) Inventor: MANNION, Martin, J. Carol Stream, IL 60188 (US) (74) Representative: Fenlon, Christine Lesley  Haseltine Lake & Co.,Imperial House,15-19 Kingsway London WC2B 6UD London WC2B 6UD (GB)