(19)

(11)

EP 2 140 055 A1

(12)

(43) Date of publication: 06.01.2010 Bulletin 2010/01 (21) Application number: 07833989.2 (22) Date of filing: 13.11.2007

(51) International Patent Classification (IPC):  D06F 25/00(2006.01) (86) International application number: PCT/KR2007/005682 (87) International publication number: WO 2008/123646 (16.10.2008 Gazette 2008/42)

(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 MT NL PL PT RO SE SI SK TR (30) Priority: 06.04.2007 KR 20070034384 (71) Applicant: Daewoo Electronics Corporation Seoul 100-031 (KR)	(72) Inventor: KIM, Chang Hoo Incheon 407-060 (KR) (74) Representative: Michalski Hüttermann & Partner Patentanwälte  Neuer Zollhof 2 40221 Düsseldorf 40221 Düsseldorf (DE)