(19)

(11)

EP 1 147 639 A1

(12)

(43) Date of publication: 24.10.2001 Bulletin 2001/43 (21) Application number: 00904374.6 (22) Date of filing: 14.01.2000

(51) International Patent Classification (IPC)7: H04L 12/64, H04L 12/66 (86) International application number: PCT/US0001/039 (87) International publication number: WO 0042/750 (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 116008 P (71) Applicant: Mattathil, George P. Cupertino, CA 95014 (US)	(72) Inventor: Mattathil, George P. Cupertino, CA 95014 (US) (74) Representative: Lindner, Michael, Dipl.-Ing. et al Witte, Weller & Partner,Patentanwälte,Postfach 105462 70047 Stuttgart 70047 Stuttgart (DE)