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(11)

EP 2 761 362 A2

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(88) Date of publication A3: 04.07.2013 (43) Date of publication: 06.08.2014 Bulletin 2014/32 (21) Application number: 12837262.0 (22) Date of filing: 26.09.2012

(51) International Patent Classification (IPC):  G02B 27/01(2006.01) G06F 3/01(2006.01) G06F 1/16(2006.01) (86) International application number: PCT/US2012/057387 (87) International publication number: WO 2013/049248 (04.04.2013 Gazette 2013/14)

(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: 26.09.2011 US 201161539269 P (71) Applicant: Microsoft Corporation Redmond, Washington 98052-6399 (US)	(72) Inventors: HADDICK, John, D. Larkspur, CA 94939 (US) OSTERHOUT, Ralph, F. San Francisco, CA 94107 (US) (74) Representative: Fischer, Michael Maria et al Olswang Germany LLP IP Rosental 4 80331 Munich 80331 Munich (DE) (56) References cited: :