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EP 1 417 577 A1

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(43) Date of publication: 12.05.2004 Bulletin 2004/20 (21) Application number: 01965946.5 (22) Date of filing: 14.08.2001

(51) International Patent Classification (IPC)7: G06F 9/455, G06F 17/50 (86) International application number: PCT/US2001/025558 (87) International publication number: WO 2003/017099 (27.02.2003 Gazette 2003/09)

(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 (71) Applicant: Axis Systems, Inc. Sunnyvale, CA 94089 (US)	(72) Inventors: TSENG, Ping-Sheng Sunnyvale, CA 94087 (US) GOEL, Yogesh, Kumar Fremont, CA 94539 (US) SHEN, Quincy, Kun-Hsu Saratoga, CA 94070 (US) (74) Representative: Lindner, Michael, Dipl.-Ing. et al Witte, Weller & Partner,Patentanwälte,Postfach 105462 70047 Stuttgart 70047 Stuttgart (DE)