(19)

(11)

EP 2 289 185 A1

(12)

(43) Date of publication: 02.03.2011 Bulletin 2011/09 (21) Application number: 08857944.6 (22) Date of filing: 01.12.2008

(51) International Patent Classification (IPC):  H04K 1/00(2006.01) (86) International application number: PCT/US2008/013285 (87) International publication number: WO 2009/073174 (11.06.2009 Gazette 2009/24)

(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 Designated Extension States: AL BA MK RS (30) Priority: 30.11.2007 US 991696 P (71) Applicant: Srivastava, Samir Sunnyvale, CA 94086 (US)	(72) Inventor: Srivastava, Samir Sunnyvale, CA 94086 (US) (74) Representative: Benson, Christopher  Harrison Goddard Foote Fountain Precinct Balm Green Sheffield, South Yorkshire S1 2JA Sheffield, South Yorkshire S1 2JA (GB)