MULTIPLEXER, DEMULTIPLEXER AND ADD/DROP MULTIPLEXER FOR SINGLE MODE OPTICAL FIBER COMMUNICATION LINKS - Patent 1329046

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EP 1 329 046 A2

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(88)	Date of publication A3:
	17.04.2003

(43)	Date of publication:
	23.07.2003 Bulletin 2003/30

(21)	Application number: 01955921.0

(22)	Date of filing: 24.07.2001

(51)	International Patent Classification (IPC)⁷: H04J 14/02, G02B 6/34, H04B 10/18

(86)	International application number:
	PCT/US0123/189

(87)	International publication number:
	WO 0201/1339 (07.02.2002 Gazette 2002/06)

(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:

26.07.2000 US 625935

(71)	Applicant: APA OPTICS, INC.
	Blaine, MN 55449 (US)

(72)	Inventors:
	BOORD, Warren, Timothy Brooklyn Park, MN 55443 (US) JAIN, Anil, K. North Oaks, MN 55127 (US)

(74)	Representative: McDonough, Jonathan et al
	Urquhart-Dykes & Lord,Tower House,Merrion Way Leeds LS2 8PA Leeds LS2 8PA (GB)

(54)	MULTIPLEXER, DEMULTIPLEXER AND ADD/DROP MULTIPLEXER FOR SINGLE MODE OPTICAL FIBER COMMUNICATION LINKS