(19)

(11)

EP 2 606 422 A2

(12)

(88) Date of publication A3: 14.06.2012 (43) Date of publication: 26.06.2013 Bulletin 2013/26 (21) Application number: 11767344.2 (22) Date of filing: 21.09.2011

(51) International Patent Classification (IPC):  G06F 7/04(2006.01) (86) International application number: PCT/US2011/052656 (87) International publication number: WO 2012/040393 (29.03.2012 Gazette 2012/13)

(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: 21.09.2010 US 384996 P (71) Applicant: General instrument Corporation Horsham, PA 19044 (US)

(72) Inventors: ZHENG, Jinsong San Diego California 92126 (US) CHAN, Tat Keung San Diego California 92131 (US) CHEN, Liqiang San Diego California 92127 (US) NAKANISHI, Greg N. San Diego California 92126 (US) PASION, Jason A. San Diego California 92101 (US) QIU, Xin San Diego California 92128 (US) YAO, Ting San Diego California 92130 (US) (74) Representative: Openshaw, Paul Malcolm  Openshaw & Co. 8 Castle Street Farnham Surrey GU9 7HR Farnham Surrey GU9 7HR (GB)