(19)

(11)

EP 1 198 761 A1

(12)

(43) Date of publication: 24.04.2002 Bulletin 2002/17 (21) Application number: 00906936.0 (22) Date of filing: 13.01.2000

(51) International Patent Classification (IPC)7: G06F 17/30 (86) International application number: PCT/US0001/075 (87) International publication number: WO 0042/530 (20.07.2000 Gazette 2000/29)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 15.01.1999 US 116016 P 13.01.2000 US 483385 13.01.2000 US 483182 13.01.2000 US 483386 (71) Applicant: Metaedge Corporation Santa Clara, CA 95054 (US)	(72) Inventor: CHEN, Li-Wen Cupertino, CA 95014 (US) (74) Representative: Harris, Ian Richard  D. Young & Co.,21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)