(19)

(11)

EP 1 247 356 A2

(12)

(88) Date of publication A3: 24.01.2002 (43) Date of publication: 09.10.2002 Bulletin 2002/41 (21) Application number: 01942484.5 (22) Date of filing: 12.01.2001

(51) International Patent Classification (IPC)7: H04B 10/12, H04B 10/08 (86) International application number: PCT/US0100/878 (87) International publication number: WO 0105/2451 (19.07.2001 Gazette 2001/29)

(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: 14.01.2000 US 176054 P (71) Applicant: Corning Incorporated Corning,New York 14831 (US)	(72) Inventors: YADLOWSKY, Michael, John Corning, NY 14830 (US) HARRIS, James, Michael Elmira, NY (US) KROL, Mark, Francis Painted Post, NY 14870 (US) (74) Representative: Poole, Michael John et al Corning LimitedPatents & Licensing DepartmentQuantum HouseMaylands Avenue Hemel Hempstead, Herts. HP2 7DE Hemel Hempstead, Herts. HP2 7DE (GB)