(19)

(11)

EP 2 186 283 A2

(12)

(88) Date of publication A3: 02.07.2009 (43) Date of publication: 19.05.2010 Bulletin 2010/20 (21) Application number: 08839289.9 (22) Date of filing: 16.10.2008

(51) International Patent Classification (IPC):  H04L 27/26(2006.01) (86) International application number: PCT/KR2008/006115 (87) International publication number: WO 2009/051421 (23.04.2009 Gazette 2009/17)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 18.10.2007 US 980799 P (71) Applicant: LG Electronics Inc. Seoul 150-721 (KR)	(72) Inventors: KO, Woo Suk Seoul 137-724 (KR) MOON, Sang Chul Seoul 137-724 (KR) (74) Representative: Cabinet Plasseraud  52, rue de la Victoire 75440 Paris Cedex 09 75440 Paris Cedex 09 (FR)