(19)

(11)

EP 2 740 223 A1

(12)

(43) Date of publication: 11.06.2014 Bulletin 2014/24 (21) Application number: 12822882.2 (22) Date of filing: 31.07.2012

(51) International Patent Classification (IPC):  H04B 5/02(2006.01) H02J 7/00(2006.01) H02J 17/00(2006.01) (86) International application number: PCT/KR2012/006089 (87) International publication number: WO 2013/022207 (14.02.2013 Gazette 2013/07)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 05.08.2011 KR 20110078104 31.05.2012 KR 20120058369 01.06.2012 US 201213486449 (71) Applicant: Samsung Electronics Co., Ltd. Suwon-si, Gyeonggi-do 443-742 (KR)	(72) Inventors: KIM, Nam Yun Yongin-si Gyeonggi-do 446-712 (KR) KWON, Sang Wook Yongin-si Gyeonggi-do 446-712 (KR) PARK, Yun Kwon Yongin-si Gyeonggi-do 446-712 (KR) HONG, Young Tack Yongin-si Gyeonggi-do 446-712 (KR) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser  Leopoldstrasse 4 80802 München 80802 München (DE)