(19)

(11)

EP 2 321 724 A1

(12)

(43) Date of publication: 18.05.2011 Bulletin 2011/20 (21) Application number: 09811791.4 (22) Date of filing: 01.05.2009

(51) International Patent Classification (IPC):  G06F 9/445(2006.01) (86) International application number: PCT/US2009/002749 (87) International publication number: WO 2010/027386 (11.03.2010 Gazette 2010/10)

(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 MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 03.09.2008 US 231485 (71) Applicant: Sony Computer Entertainment America LLC Foster City CA 94404 (US)	(72) Inventor: ZALEWSKI, Gary Foster City, CA 94404 (US) (74) Representative: Turner, James Arthur  D Young & Co LLP 120 Holborn London EC1N 2DY London EC1N 2DY (GB)