ITMI960199A0 - - Google Patents

Info

Publication number
ITMI960199A0
ITMI960199A0 ITMI960199A ITMI960199A ITMI960199A0 IT MI960199 A0 ITMI960199 A0 IT MI960199A0 IT MI960199 A ITMI960199 A IT MI960199A IT MI960199 A ITMI960199 A IT MI960199A IT MI960199 A0 ITMI960199 A0 IT MI960199A0
Authority
IT
Italy
Application number
ITMI960199A
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 filed Critical
Publication of ITMI960199A0 publication Critical patent/ITMI960199A0/it
Priority to IT96MI000199A priority Critical patent/IT1282063B1/it
Priority to CA002196121A priority patent/CA2196121A1/en
Priority to US08/790,573 priority patent/US5956319A/en
Priority to DE69722981T priority patent/DE69722981T2/de
Priority to EP97101418A priority patent/EP0788249B1/en
Priority to AU12468/97A priority patent/AU1246897A/en
Priority to NZ314182A priority patent/NZ314182A/en
Priority to BR9700189A priority patent/BR9700189A/pt
Priority to ARP970100437A priority patent/AR005701A1/es
Publication of ITMI960199A1 publication Critical patent/ITMI960199A1/it
Application granted granted Critical
Publication of IT1282063B1 publication Critical patent/IT1282063B1/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/27—Arrangements for networking
    • H04B10/275—Ring-type networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Small-Scale Networks (AREA)
IT96MI000199A 1996-02-05 1996-02-05 Nodo in una rete di trasmissione di segnali ottici e metodo per preservare la comunicazione in caso di guasto IT1282063B1 (it)

Priority Applications (9)

Application Number Priority Date Filing Date Title
IT96MI000199A IT1282063B1 (it) 1996-02-05 1996-02-05 Nodo in una rete di trasmissione di segnali ottici e metodo per preservare la comunicazione in caso di guasto
CA002196121A CA2196121A1 (en) 1996-02-05 1997-01-28 Node in an optical signal transmission network, and method of retaining the communication on the occurrence of a failure
US08/790,573 US5956319A (en) 1996-02-05 1997-01-29 Node in an optical signal transmission network, and method of retaining the communication on the occurrence of a failure
EP97101418A EP0788249B1 (en) 1996-02-05 1997-01-30 A node in an optical signal transmission network, and method of retaining the communication on the occurrence of a failure
DE69722981T DE69722981T2 (de) 1996-02-05 1997-01-30 Knoten eines optischen Übertragungsnetzes und Verfahren zur Übertragungsaufrechterhaltung nach einer Netzstörung
AU12468/97A AU1246897A (en) 1996-02-05 1997-01-31 A node in an optical signal transmission network, and method of retaining the communication on the occurrence of a failure
NZ314182A NZ314182A (en) 1996-02-05 1997-02-03 Switching node for optical self healing ring network
BR9700189A BR9700189A (pt) 1996-02-05 1997-02-04 No óptico em uma rede de transmissão de sinais ópticos e método para preservar a comunicação em caso de falha
ARP970100437A AR005701A1 (es) 1996-02-05 1997-04-02 Un nodo optico para una red de transmision de senales opticas con trazado anular y metodo para retener la comunicacion dentro de una red que tiene por lomenos dos de dichos nodos.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96MI000199A IT1282063B1 (it) 1996-02-05 1996-02-05 Nodo in una rete di trasmissione di segnali ottici e metodo per preservare la comunicazione in caso di guasto

Publications (3)

Publication Number Publication Date
ITMI960199A0 true ITMI960199A0 (it) 1996-02-05
ITMI960199A1 ITMI960199A1 (it) 1997-08-05
IT1282063B1 IT1282063B1 (it) 1998-03-09

Family

ID=11373131

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI000199A IT1282063B1 (it) 1996-02-05 1996-02-05 Nodo in una rete di trasmissione di segnali ottici e metodo per preservare la comunicazione in caso di guasto

Country Status (9)

Country Link
US (1) US5956319A (it)
EP (1) EP0788249B1 (it)
AR (1) AR005701A1 (it)
AU (1) AU1246897A (it)
BR (1) BR9700189A (it)
CA (1) CA2196121A1 (it)
DE (1) DE69722981T2 (it)
IT (1) IT1282063B1 (it)
NZ (1) NZ314182A (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1277204B1 (it) * 1995-10-19 1997-11-05 Pirelli S P A Ora Pirelli Cavi Rete di comunicazione ottica trasparente ad anello autoprotetto
CN1268096C (zh) * 1997-06-20 2006-08-02 Abb专利有限公司 冗余串行总线及其运行方法
US6631018B1 (en) 1997-08-27 2003-10-07 Nortel Networks Limited WDM optical network with passive pass-through at each node
JPH11313095A (ja) * 1998-04-28 1999-11-09 Nec Corp リングネットワークシステム、そのプロテクション方法及びプロテクション処理プログラム記録媒体
SE520943C2 (sv) * 1998-06-10 2003-09-16 Ericsson Telefon Ab L M Add/dropp-nod anordnad att anslutas i ett optiskt fibernät av wdm-typ
US6661800B1 (en) * 1998-06-10 2003-12-09 Kabushiki Kaisha Toshiba Communication network system and loopback control method
DE19832039A1 (de) 1998-07-16 2000-01-20 Alcatel Sa Knoten eines Punkt-zu-Mehrpunkt Netzwerkes
US6922530B1 (en) * 2000-04-06 2005-07-26 Fujitsu Limited Method and apparatus for optical channel switching in an optical add/drop multiplexer
US7110356B2 (en) * 2001-11-15 2006-09-19 Fujitsu Limited Pre-provisioning a light path setup
US7231148B2 (en) * 2002-03-28 2007-06-12 Fujitsu Limited Flexible open ring optical network and method
US7116905B2 (en) * 2002-03-27 2006-10-03 Fujitsu Limited Method and system for control signaling in an open ring optical network
US20040052530A1 (en) * 2002-09-17 2004-03-18 Cechan Tian Optical network with distributed sub-band rejections
US8340979B2 (en) * 2002-10-01 2012-12-25 Acs State & Local Solutions, Inc. Systems and methods for electronically processing government sponsored benefits
DE10308306B4 (de) * 2003-02-26 2006-04-20 Siemens Ag Verfahren und Anordnung zur Übertragung von Working-Signalen und Protection-Signalen über optische Datennetze
US7483636B2 (en) * 2003-07-28 2009-01-27 Fujitsu Limited Optical network with sub-band rejection and bypass
US20050095001A1 (en) * 2003-10-29 2005-05-05 Fujitsu Limited Method and system for increasing network capacity in an optical network
US7450851B2 (en) * 2004-08-27 2008-11-11 Fujitsu Limited System and method for modularly scalable architecture for optical networks

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59158154A (ja) * 1983-02-28 1984-09-07 Nec Corp ル−プバツク方式
JPH0614643B2 (ja) * 1983-12-05 1994-02-23 株式会社日立製作所 ル−プ式デ−タ伝送システムの障害回復検出方法
US5159595A (en) * 1988-04-08 1992-10-27 Northern Telecom Limited Ring transmission system
US5179548A (en) * 1991-06-27 1993-01-12 Bell Communications Research, Inc. Self-healing bidirectional logical-ring network using crossconnects
US5442623A (en) * 1992-08-17 1995-08-15 Bell Communications Research, Inc. Passive protected self healing ring network

Also Published As

Publication number Publication date
DE69722981T2 (de) 2004-05-19
DE69722981D1 (de) 2003-07-31
EP0788249B1 (en) 2003-06-25
AR005701A1 (es) 1999-07-14
AU1246897A (en) 1997-08-14
NZ314182A (en) 1997-10-24
US5956319A (en) 1999-09-21
BR9700189A (pt) 1998-09-29
IT1282063B1 (it) 1998-03-09
EP0788249A1 (en) 1997-08-06
ITMI960199A1 (it) 1997-08-05
CA2196121A1 (en) 1997-08-06

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Legal Events

Date Code Title Description
0001 Granted