(19)

(11)

EP 1 723 792 A1

(12)

(43) Date of publication: 22.11.2006 Bulletin 2006/47 (21) Application number: 05717935.0 (22) Date of filing: 07.03.2005

(51) International Patent Classification (IPC):  H04N 7/173(2006.01) (86) International application number: PCT/GB2005/000866 (87) International publication number: WO 2005/088968 (22.09.2005 Gazette 2005/38)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 10.03.2004 GB 0405340 13.04.2004 GB 0408124 22.06.2004 US 873749 (71) Applicant: Trevor Burke Technology Limited Frankby, Wirral CH48 1NF (GB)	(72) Inventor: BURKE, Trevor, John Wirral CH48 1NF (GB) (74) Representative: Kenrick, Mark Lloyd et al Marks & Clerk Sussex House 83-85 Mosley Street GB-Manchester M2 3LG GB-Manchester M2 3LG (GB)