(19)
(11) EP 1 055 272 A1

(12)

(43) Date of publication:
29.11.2000 Bulletin 2000/48

(21) Application number: 99973441.1

(22) Date of filing: 10.11.1999
(51) International Patent Classification (IPC)7: H01S 5/12
(86) International application number:
PCT/CA9901/067
(87) International publication number:
WO 0036/717 (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
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 11.12.1998 US 209977

(71) Applicant: Nortel Networks Limited
Montreal,Quebec H2Y 3Y4 (CA)

(72) Inventors:
  • HONG, Jin
    Nepean, Ontario K26 5Y8 (CA)
  • MAKINO, Toshihiko
    San Jose, CA 95120 (US)

(74) Representative: Ertl, Nicholas Justin 
Elkington and Fife,Prospect House,8 Pembroke Road
Sevenoaks,Kent TN13 1XR
Sevenoaks,Kent TN13 1XR (GB)

   


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