(19)

(11)

EP 2 118 999 A2

(12)

(88) Date of publication A3: 30.04.2009 (43) Date of publication: 18.11.2009 Bulletin 2009/47 (21) Application number: 08806836.6 (22) Date of filing: 28.01.2008

(51) International Patent Classification (IPC):  H03F 1/32(2006.01) (86) International application number: PCT/IB2008/000996 (87) International publication number: WO 2008/155610 (24.12.2008 Gazette 2008/52)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 26.01.2007 US 897746 P 29.01.2007 US 898312 P (71) Applicant: Dali Systems Co., Ltd. George Town, Grand Cayman (KY)	(72) Inventors: YANG, Dali Mountain View, CA 94040 (US) YANG, Jia Mountain View, CA 94040 (US) (74) Representative: Freeman, Jacqueline Carol  W.P.Thompson & Co. 55 Drury Lane London WC2B 5SQ London WC2B 5SQ (GB)