(19)

(11)

EP 1 552 420 A1

(12)

(43) Date of publication: 13.07.2005 Bulletin 2005/28 (21) Application number: 03808905.8 (22) Date of filing: 09.04.2003

(51) International Patent Classification (IPC)7: G06F 17/00 (86) International application number: PCT/KR2003/000713 (87) International publication number: WO 2004/036449 (29.04.2004 Gazette 2004/18)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 15.10.2002 US 418160 P 12.11.2002 US 425259 P 03.03.2003 KR 2003013002 (71) Applicant: Samsung Electronics Co., Ltd. Suwon-si,Gyeonggi-do 442-742 (KR)	(72) Inventor: Choi, Yang-Lim Seongnam-si,463-060 Gyeonggi-do (KR) (74) Representative: Geary, Stuart Lloyd  Venner Shipley LLP20 Little Britain London EC1A 7DH London EC1A 7DH (GB)