(19)

(11)

EP 1 665 701 A2

(12)

(88) Date of publication A3: 24.03.2005 (43) Date of publication: 07.06.2006 Bulletin 2006/23 (21) Application number: 04780201.2 (22) Date of filing: 04.08.2004

(51) International Patent Classification (IPC):  H04L 27/10(1968.09) (86) International application number: PCT/US2004/025323 (87) International publication number: WO 2005/015752 (17.02.2005 Gazette 2005/07)

(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 PL PT RO SE SI SK TR (30) Priority: 05.08.2003 US 493041 P 18.08.2003 US 496320 P 03.08.2004 US 910917 (71) Applicant: STMicroelectronics, Inc Carrollton, TX 75006 (US)	(72) Inventors: NORSWORTHY, Steven, R. Cardiff, CA 92007 (US) REDGRAVE, Jason, Rupert Mountain View, CA 91361 (US) (74) Representative: Style, Kelda Camilla Karen et al Page White & Farrer 54 Doughty Street GB-London WC1N 2LS GB-London WC1N 2LS (GB)