(19)

(11)

EP 1 671 430 A1

(12)

(43) Date of publication: 21.06.2006 Bulletin 2006/25 (21) Application number: 03754910.2 (22) Date of filing: 25.09.2003

(51) International Patent Classification (IPC):  H04B 1/707(1995.01) H03D 1/04(1968.09) H04B 15/00(1968.09) H03D 1/06(1968.09) (86) International application number: PCT/US2003/030382 (87) International publication number: WO 2005/041435 (06.05.2005 Gazette 2005/18)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR (71) Applicant: BAE SYSTEMS Information and Electronic Systems Integration Inc. Nashua, NH 03061 (US)	(72) Inventor: MACLEOD, Robert, B. Nashua, NH 03064 (US) (74) Representative: Mackett, Margaret Dawn  BAE Systems plc Intellectual Property Department Lancaster House P.O. Box 87 Farnborough Aerospace Centre Farnborough, Hampshire GU14 6YU Farnborough, Hampshire GU14 6YU (GB)