(19)

(11)

EP 2 168 052 A1

(12)

(43) Date of publication: 31.03.2010 Bulletin 2010/13 (21) Application number: 07812957.4 (22) Date of filing: 16.07.2007

(51) International Patent Classification (IPC):  G06F 15/173(2006.01) (86) International application number: PCT/US2007/073570 (87) International publication number: WO 2009/011695 (22.01.2009 Gazette 2009/04)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 16.07.2007 US 778124 (71) Applicant: Bigfoot Networks, Inc. Austin TX 78759 (US)	(72) Inventors: BEVERLY, Harlan T. McDade, Texas 78650 (US) MUSTA, Charles A. Austin, Texas 78746 (US) (74) Representative: Hackney, Nigel John  Mewburn Ellis LLP 33 Gutter Lane London EC2V 8AS London EC2V 8AS (GB)