BR9710612A - Dispositivo para adi-Æo e retirada de sinais Äticos para e desde uma via de pecurso de transmissÆo Ätica sistema de telecomunica-Æo Ätica de mÚltiplos canais para transmissÆo de sinais Äticos e processo para adi-ao/retirada de s¡nais Äticos - Google Patents

Dispositivo para adi-Æo e retirada de sinais Äticos para e desde uma via de pecurso de transmissÆo Ätica sistema de telecomunica-Æo Ätica de mÚltiplos canais para transmissÆo de sinais Äticos e processo para adi-ao/retirada de s¡nais Äticos

Info

Publication number
BR9710612A
BR9710612A BR9710612A BR9710612A BR9710612A BR 9710612 A BR9710612 A BR 9710612A BR 9710612 A BR9710612 A BR 9710612A BR 9710612 A BR9710612 A BR 9710612A BR 9710612 A BR9710612 A BR 9710612A
Authority
BR
Brazil
Prior art keywords
ethical
signals
removal
addition
telecommunication system
Prior art date
Application number
BR9710612A
Other languages
English (en)
Inventor
Giorgio Grasso
Fausto Meli
Marcos Antonio Brandao Sanches
Mario Tamburello
Original Assignee
Pirelli Cavi E Sistemi Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pirelli Cavi E Sistemi Spa filed Critical Pirelli Cavi E Sistemi Spa
Publication of BR9710612A publication Critical patent/BR9710612A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0209—Multi-stage arrangements, e.g. by cascading multiplexers or demultiplexers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0206—Express channels arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0213—Groups of channels or wave bands arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0215—Architecture aspects
    • H04J14/0216—Bidirectional architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
BR9710612A 1996-07-31 1997-07-28 Dispositivo para adi-Æo e retirada de sinais Äticos para e desde uma via de pecurso de transmissÆo Ätica sistema de telecomunica-Æo Ätica de mÚltiplos canais para transmissÆo de sinais Äticos e processo para adi-ao/retirada de s¡nais Äticos BR9710612A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96MI001638A IT1283372B1 (it) 1996-07-31 1996-07-31 Dispositivo per l'inserimento e l'estrazione di segnali ottici
PCT/EP1997/004091 WO1998005133A1 (en) 1996-07-31 1997-07-28 Device for adding and dropping optical signals

Publications (1)

Publication Number Publication Date
BR9710612A true BR9710612A (pt) 1999-08-17

Family

ID=11374719

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9710612A BR9710612A (pt) 1996-07-31 1997-07-28 Dispositivo para adi-Æo e retirada de sinais Äticos para e desde uma via de pecurso de transmissÆo Ätica sistema de telecomunica-Æo Ätica de mÚltiplos canais para transmissÆo de sinais Äticos e processo para adi-ao/retirada de s¡nais Äticos

Country Status (9)

Country Link
US (3) US6288810B1 (pt)
EP (1) EP1008239B1 (pt)
AR (1) AR008129A1 (pt)
AU (1) AU731543B2 (pt)
BR (1) BR9710612A (pt)
CA (1) CA2261918A1 (pt)
IT (1) IT1283372B1 (pt)
NZ (1) NZ333360A (pt)
WO (1) WO1998005133A1 (pt)

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Also Published As

Publication number Publication date
AU731543B2 (en) 2001-04-05
ITMI961638A0 (pt) 1996-07-31
ITMI961638A1 (it) 1998-01-31
EP1008239B1 (en) 2003-09-10
CA2261918A1 (en) 1998-02-05
AR008129A1 (es) 1999-12-09
US6288810B1 (en) 2001-09-11
IT1283372B1 (it) 1998-04-17
WO1998005133A1 (en) 1998-02-05
NZ333360A (en) 1999-04-29
US20020196495A1 (en) 2002-12-26
EP1008239A1 (en) 2000-06-14
AU3941497A (en) 1998-02-20
US6437888B1 (en) 2002-08-20

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B15K Others concerning applications: alteration of classification

Ipc: H04J 14/02 (2006.01)