(19)

(11)

EP 1 415 422 A1

(12)

(43) Date of publication: 06.05.2004 Bulletin 2004/19 (21) Application number: 02745695.3 (22) Date of filing: 02.08.2002

(51) International Patent Classification (IPC)7: H04J 11/00 (86) International application number: PCT/GB2002/003580 (87) International publication number: WO 2003/013037 (13.02.2003 Gazette 2003/07)

(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: 02.08.2001 GB 0118899 (71) Applicant: Ubinetics Limited Melbourn,Hertfordshire SG8 6DP (GB)	(72) Inventor: LUCAS, Jonathan Melbourn,Hertfordshire SG8 6JA (GB) (74) Representative: Gillard, Matthew Paul et al Withers & Rogers,Goldings House,2 Hays Lane London SE1 2HW London SE1 2HW (GB)