(19)

(11)

EP 1 968 719 A2

(12)

(43) Date of publication: 17.09.2008 Bulletin 2008/38 (21) Application number: 06849108.3 (22) Date of filing: 28.12.2006

(51) International Patent Classification (IPC):  A63F 9/24(2006.01) (86) International application number: PCT/US2006/062682 (87) International publication number: WO 2007/079395 (12.07.2007 Gazette 2007/28)

(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 NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 30.12.2005 US 323265 (71) Applicant: TruePosition, Inc. Berwyn, PA 19312 (US)	(72) Inventors: BECKLEY, Frederic Philadelphia, Pennsylvania 19106 (US) WARD, Matthew L. Collegeville, Pennsylvania 19436 (US) (74) Representative: Gill, David Alan  W.P. Thompson & Co. 55 Drury Lane London WC2B 5SQ London WC2B 5SQ (GB)