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(11)

EP 1 790 055 A1

(12)

(43) Date of publication: 30.05.2007 Bulletin 2007/22 (21) Application number: 05776136.3 (22) Date of filing: 17.08.2005

(51) International Patent Classification (IPC):  H02H 3/00(2006.01) H02H 3/08(2006.01) H02H 3/16(2006.01) H02H 3/093(2006.01) (86) International application number: PCT/KR2005/002692 (87) International publication number: WO 2006/019254 (23.02.2006 Gazette 2006/08)

(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: 17.08.2004 KR 2004064862 15.02.2005 KR 2005012501 (71) Applicant: Delta EGCS Co., Ltd 479, Yangbeol-ri, Opo-eup, Gwangju-si Gyeonggi-do 464-896 (KR)	(72) Inventor: LEE, Heung-Sik Gwangju-si, Gyeonggi-do 464-070 (KR) (74) Representative: Lohr, Georg  Junkersstraße 3 82178 Puchheim/München 82178 Puchheim/München (DE)