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(11)

EP 2 016 425 A1

(12)

(43) Date of publication: 21.01.2009 Bulletin 2009/04 (21) Application number: 06759359.0 (22) Date of filing: 09.05.2006

(51) International Patent Classification (IPC):  G01P 15/00(2006.01) A63B 43/00(2006.01) A63B 71/06(2006.01) A63B 69/36(2006.01) (86) International application number: PCT/US2006/017803 (87) International publication number: WO 2007/130057 (15.11.2007 Gazette 2007/46)

(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 YU (71) Applicant: Microsoft Corporation Redmond WA 98052 (US)	(72) Inventors: SAINTOYANT, Pierre-Yves c/o Microsoft Corp. Redmond, WA 98052 (US) MAHONEN, Petri c/o Microsoft Corporation Redmond, WA 98052 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät  Leopoldstrasse 4 80802 München 80802 München (DE)