(19)

(11)

EP 1 421 555 A1

(12)

(43) Date of publication: 26.05.2004 Bulletin 2004/22 (21) Application number: 02741593.4 (22) Date of filing: 25.06.2002

(51) International Patent Classification (IPC)7: G06T 5/00 (86) International application number: PCT/SE2002/001244 (87) International publication number: WO 2003/001450 (03.01.2003 Gazette 2003/01)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 26.06.2001 SE 0102254 (71) Applicant: Anoto AB 223 70 Lund (SE)	(72) Inventor: OLSSON, Andreas S-222 29 Lund (SE) (74) Representative: Perklev, Karin Cecilia  Anoto Group AB,Scheelevägen 19C 223 70 Lund 223 70 Lund (SE)