(19)

(11)

EP 2 195 989 A2

(12)

(88) Date of publication A3: 22.10.2009 (43) Date of publication: 16.06.2010 Bulletin 2010/24 (21) Application number: 09712313.7 (22) Date of filing: 20.02.2009

(51) International Patent Classification (IPC):  H04L 27/26(2006.01) H04J 11/00(2006.01) (86) International application number: PCT/KR2009/000831 (87) International publication number: WO 2009/104931 (27.08.2009 Gazette 2009/35)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 21.02.2008 US 30537 (71) Applicant: LG Electronics Inc. Seoul 150-721 (KR)	(72) Inventors: KO, Woo Suk Seoul 137-724 (KR) MOON, Sang Chul Seoul 137-130 (KR) (74) Representative: Cabinet Plasseraud  52, rue de la Victoire 75440 Paris Cedex 09 75440 Paris Cedex 09 (FR)