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EP 1 999 761 A1

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(43) Date of publication: 10.12.2008 Bulletin 2008/50 (21) Application number: 06716522.5 (22) Date of filing: 24.03.2006

(51) International Patent Classification (IPC):  H01B 7/32(2006.01) (86) International application number: PCT/KR2006/001094 (87) International publication number: WO 2007/111389 (04.10.2007 Gazette 2007/40)

(84) Designated Contracting States: FR IT (71) Applicant: Korea Electrotechnology Research Institute Changwon-city, Kyongnam 641-120 (KR)

(72) Inventors: KIM, Dae Kyeong Busan-si 607-763 (KR) RYOO, Hee Seok Gyeonggi-do 437-808 (KR) CHOI, Sang Bong Bundang-gu, Sungnam-si, Kyeonggi-do 463-773 (KR) JEONG, Sung Hwan Myeongroon-dong, Dongnae-gu, Busan-si, 607-854 (KR) NAM, Ki Young Changwon-si, Kyungsangsam-do 641-777 (KR) LEE, Jae Duk Changwon-si, Kyungsangnam-do 641-939 (KR) (74) Representative: Iannone, Carlo Luigi  Barzanò & Zanardo Roma S.p.A. Via Piemonte 26 00187 Roma 00187 Roma (IT)