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(11)

EP 1 639 489 A1

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(43) Date of publication: 29.03.2006 Bulletin 2006/13 (21) Application number: 03734067.6 (22) Date of filing: 17.05.2003

(51) International Patent Classification (IPC):  G06F 15/163(1995.01) (86) International application number: PCT/US2003/015708 (87) International publication number: WO 2004/107200 (09.12.2004 Gazette 2004/50)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR (71) Applicant: MICROSOFT CORPORATION Redmond, WA 98052 (US)	(72) Inventors: BENT, Samuel, W. Bellevue, WA 98005 (US) GUPTA, Namita Kirkland, WA 98033 (US) JENNI, David, J. Sammamish, WA 98074 (US) HOPMANN, Alexander, I. Seattle, WA 98122 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät  Maximilianstrasse 58 80538 München 80538 München (DE)