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EP 2 850 840 A1

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(43) Date of publication: 25.03.2015 Bulletin 2015/13 (21) Application number: 13727456.9 (22) Date of filing: 17.05.2013

(51) International Patent Classification (IPC):  H04N 21/2343(2011.01) H04N 21/4402(2011.01) H04N 21/2381(2011.01) H04N 21/643(2011.01) H04N 21/2665(2011.01) H04N 21/482(2011.01) H04N 21/438(2011.01) (86) International application number: PCT/US2013/041489 (87) International publication number: WO 2013/173668 (21.11.2013 Gazette 2013/47)

(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 Designated Extension States: BA ME (30) Priority: 18.05.2012 US 201261649101 P 12.04.2013 US 201313862321 (71) Applicant: Google Technology Holdings LLC Mountain View, CA 94043 (US)	(72) Inventor: GROSSMAN, Michael A. San Diego, California 92111 (US) (74) Representative: Schley, Jan Malte et al Fish & Richardson P.C. HighLight Business Towers Mies-van-der-Rohe-Str. 8 80807 München 80807 München (DE)