(19)

(11)

EP 1 709 773 A2

(12)

(88) Date of publication A3: 25.08.2005 (43) Date of publication: 11.10.2006 Bulletin 2006/41 (21) Application number: 05721753.1 (22) Date of filing: 08.01.2005

(51) International Patent Classification (IPC):  H04L 12/66(2006.01) (86) International application number: PCT/KR2005/000061 (87) International publication number: WO 2005/065060 (21.07.2005 Gazette 2005/29)

(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: 09.01.2004 KR 2004001725 20.01.2004 US 538087 P (71) Applicant: LG Electronics, Inc. Seoul 150-010 (KR)	(72) Inventors: LEE, Young-Dae Hanam, Gyeonggi-Do 465-711 (KR) YI, Seung-June Seocho-Gu, Seoul 137-880 (KR) CHUN, Sung-Duck Gwanak-Gu, Seoul 151-891 (KR) (74) Representative: Katérle, Axel  Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstraße 2 81541 München 81541 München (DE)