(19)

(11)

EP 1 735 734 A1

(12)

(43) Date of publication: 27.12.2006 Bulletin 2006/52 (21) Application number: 04750288.5 (22) Date of filing: 16.04.2004

(51) International Patent Classification (IPC):  G06K 9/36(2006.01) (86) International application number: PCT/US2004/011947 (87) International publication number: WO 2005/111917 (24.11.2005 Gazette 2005/47)

(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 PL PT RO SE SI SK TR (71) Applicants: Autodesk, Inc. San Rafael, California 94903 (US) Santos, Sheila Marie Montreal QC H2H 1X1 (CA)	(72) Inventor: SANTOS, Sheila Marie Montreal, Quebec H2H 1X1 (CA) (74) Representative: Maury, Richard Philip  Marks & Clerk 90 Long Acre London WC2E 9RA London WC2E 9RA (GB)