OPTICAL COMMUNICATIONS NETWORK AND NODE FOR FORMING SUCH A NETWORK - Patent 1354439

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EP 1 354 439 A2

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(88)	Date of publication A3:
	28.08.2003

(43)	Date of publication:
	22.10.2003 Bulletin 2003/43

(21)	Application number: 01976459.6

(22)	Date of filing: 12.10.2001

(51)	International Patent Classification (IPC)⁷: H04J 14/02, H04Q 11/00

(86)	International application number:
	PCT/GB0104/601

(87)	International publication number:
	WO 0203/5749 (02.05.2002 Gazette 2002/18)

(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

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Priority:

25.10.2000 US 696067

(71)	Applicant: Nortel Networks Limited
	St. Laurent,Quebec H4S 2A9 (CA)

(72)	Inventor:
	PURSE, Christopher Chelmsford, Essex CM1 2XN (GB)

(74)	Representative: Anderson, Angela
	Nortel Networks LimitedIP Law GroupLondon Road Harlow,Essex CM17 9NA Harlow,Essex CM17 9NA (GB)

(54)	OPTICAL COMMUNICATIONS NETWORK AND NODE FOR FORMING SUCH A NETWORK