(19)

(11)

EP 1 336 320 A1

(12)

(43) Date of publication: 20.08.2003 Bulletin 2003/34 (21) Application number: 00958992.0 (22) Date of filing: 01.09.2000

(51) International Patent Classification (IPC)7: H04R 1/00, H04R 25/02 (86) International application number: PCT/KR0000/991 (87) International publication number: WO 0201/9759 (07.03.2002 Gazette 2002/10)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (71) Applicant: Dowumi Corporation Seoul 121-210 (KR)	(72) Inventors: LEE, Sang-Chul Kyounggi-Do 411-350 (KR) KOO, Bon-Youn Seoul 121-260 (KR) KIM, Yong-Mo Kyeyang-Gu,Inchon 407-040 (KR) (74) Representative: Needle, Jacqueline  W.H. BECK, GREENER & CO7 Stone BuildingsLincoln's Inn London WC2A 3SZ London WC2A 3SZ (GB)