(19)

(11)

EP 1 141 891 A1

(12)

(43) Date of publication: 10.10.2001 Bulletin 2001/41 (21) Application number: 99967322.1 (22) Date of filing: 15.12.1999

(51) International Patent Classification (IPC)7: G06T 1/20 (86) International application number: PCT/US9929/718 (87) International publication number: WO 0036/562 (22.06.2000 Gazette 2000/25)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 15.12.1998 US 112410 P (71) Applicant: Intensys Corporation San Jose, CA 95110 (US)	(72) Inventors: ROCKOFF, Todd, E. San Jose, CA 95120 (US) LANG, Robert San Jose, CA 95123 (US) WALLACE, Murray Felton, CA 95018 (US) (74) Representative: Smith, Samuel Leonard  J.A. Kemp & Co.,14 South Square,Gray's Inn London WC1R 5LX London WC1R 5LX (GB)