(19)

(11)

EP 1 828 921 A1

(12)

(43) Date of publication: 05.09.2007 Bulletin 2007/36 (21) Application number: 05856388.3 (22) Date of filing: 28.09.2005

(51) International Patent Classification (IPC):  G06F 17/00(2006.01) (86) International application number: PCT/KR2005/003212 (87) International publication number: WO 2006/080657 (03.08.2006 Gazette 2006/31)

(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 NL PL PT RO SE SI SK TR (30) Priority: 06.10.2004 KR 20040079485 (71) Applicant: Widerthan Co., Ltd Seoul 120-709 (KR)	(72) Inventors: KIM, Jun Su Gangdong-gu, Seoul 134-060 (KR) JEON, Hee Sang Seoul 100456 (KR) (74) Representative: Slingsby, Philip Roy et al Page White & Farrer Bedford House John Street London, WC1N 2BF London, WC1N 2BF (GB)