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(11)

EP 1 730 636 A1

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(43) Date of publication: 13.12.2006 Bulletin 2006/50 (21) Application number: 05789801.7 (22) Date of filing: 28.03.2005

(51) International Patent Classification (IPC):  G06F 9/46(2006.01) (86) International application number: PCT/KR2005/000899 (87) International publication number: WO 2006/004274 (12.01.2006 Gazette 2006/02)

(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: 02.04.2004 US 558549 P 24.05.2004 KR 2004036951 (71) Applicant: SAMSUNG ELECTRONICS CO., LTD. Suwon-si Gyeonggi-do 442-742 (KR)

(72) Inventors: KIM, Du-Il 108-1403 Dongsuwon LG Village 1-cha Apt Suwon-si, Gyeonggi-do 443-706 (KR) SHIN, Seong-Kook Seocho-gu, Seoul 137-862 (KR) KIM, Young-Yoon Seocho-gu, Seoul 137-852 (KR) AHN, Jin-Yong Suwon-si, Gyeonggi-do 443-801 (KR) KIM, Hee-Yeon Suwon-si, Gyeonggi-do 443-813 (KR) CHOI, Hyok-Sung, 205-1302 Eunhasu Byucksan Apt. Anyang-si, Gyeonggi-do 431-050 (KR) (74) Representative: Robinson, Ian Michael  Appleyard Lees 15 Clare Road Halifax HX1 2HY Halifax HX1 2HY (GB)