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EP 2 057 772 A1

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(43) Date of publication: 13.05.2009 Bulletin 2009/20 (21) Application number: 07807979.5 (22) Date of filing: 07.08.2007

(51) International Patent Classification (IPC):  H04L 1/18(2006.01) (86) International application number: PCT/KR2007/003798 (87) International publication number: WO 2008/018742 (14.02.2008 Gazette 2008/07)

(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 LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 07.08.2006 KR 20060074375 31.10.2006 KR 20060106557 01.11.2006 KR 20060107442 22.11.2006 KR 20060115820 16.02.2007 KR 20070016649 (71) Applicant: LG Electronics Inc. Seoul 150-721 (KR)

(72) Inventors: PARK, Hyung Ho Anyang-si, Gyeongki-do 431-749 (KR) IHM, Bin Chul Anyang-si, Gyeongki-do 431-749 (KR) OH, Min Seok Anyang-si, Gyeongki-do 431-749 (KR) SUNG, Doo Hyun Anyang-si, Gyeongki-do 431-749 (KR) CHUNG, Jae Hoon Anyang-si, Gyeongki-do 431-749 (KR) MOON, Sung Ho Anyang-si, Gyeongki-do 431-749 (KR) CHOI, Jin Soo Anyang-si, Gyeongki-do 431-749 (KR) CHO, Ki Hyoung Anyang-si, Gyeongki-do 431-749 (KR) KANG, Seung Hyun Anyang-si, Gyeongki-do 431-749 (KR) (74) Representative: Urner, Peter  TER MEER STEINMEISTER & PARTNER GbR Patentanwälte Mauerkircherstrasse 45 81679 München 81679 München (DE)