DE69230849T2 - Knotenpunkt eines lokalen optischen Ringnetzwerkes und lokales optisches Ringnetzwerk mit einem solchen Knotenpunkt - Google Patents

Knotenpunkt eines lokalen optischen Ringnetzwerkes und lokales optisches Ringnetzwerk mit einem solchen Knotenpunkt

Info

Publication number
DE69230849T2
DE69230849T2 DE69230849T DE69230849T DE69230849T2 DE 69230849 T2 DE69230849 T2 DE 69230849T2 DE 69230849 T DE69230849 T DE 69230849T DE 69230849 T DE69230849 T DE 69230849T DE 69230849 T2 DE69230849 T2 DE 69230849T2
Authority
DE
Germany
Prior art keywords
node
loop
ring network
light
optical ring
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69230849T
Other languages
English (en)
Other versions
DE69230849D1 (de
Inventor
Masao Majima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE69230849D1 publication Critical patent/DE69230849D1/de
Application granted granted Critical
Publication of DE69230849T2 publication Critical patent/DE69230849T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • 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]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Optical Communication System (AREA)
DE69230849T 1991-11-25 1992-11-24 Knotenpunkt eines lokalen optischen Ringnetzwerkes und lokales optisches Ringnetzwerk mit einem solchen Knotenpunkt Expired - Fee Related DE69230849T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3335759A JPH05153066A (ja) 1991-11-25 1991-11-25 ループ型光ｌａｎ用ノード及びそれを用いたループ型光ｌａｎ

Publications (2)

Publication Number Publication Date
DE69230849D1 DE69230849D1 (de) 2000-05-04
DE69230849T2 true DE69230849T2 (de) 2000-08-17

Family

ID=18292146

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69230849T Expired - Fee Related DE69230849T2 (de) 1991-11-25 1992-11-24 Knotenpunkt eines lokalen optischen Ringnetzwerkes und lokales optisches Ringnetzwerk mit einem solchen Knotenpunkt

Country Status (5)

Country Link
US (1) US5369515A (de)
EP (1) EP0544216B1 (de)
JP (1) JPH05153066A (de)
AT (1) ATE191304T1 (de)
DE (1) DE69230849T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4337089C2 (de) * 1993-10-29 2003-09-25 Siemens Ag Optisches, transparentes Ringnetz mit wahlweiser Durchschaltung oder Aus- und Einkopplung von Signalen in den Ringknoten

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE260532T1 (de) * 1992-10-15 2004-03-15 Canon Kk Optischer konzentrator und optisches übertragungsnetz mit einem derartigen konzentrator
CA2121955C (en) * 1993-04-23 1999-05-11 Mitsuru Yamamoto Communication method in network system for performing information transmission among terminal equipments using light beams of a plurality of wavelengths, terminal equipment used in the method, and network system using the method
US5854699A (en) * 1993-07-30 1998-12-29 Gte Laboratories Incorporated Multiplexed subcarrier control in wavelength division multiplexed broadband networks
ATE270012T1 (de) * 1993-10-29 2004-07-15 Siemens Ag Optisches, transparentes ringnetz mit auskoppelung eines signales einer wellenlänge in einem oder mehreren ringknoten
US5774244A (en) * 1994-01-18 1998-06-30 British Telecommunications Public Limited Company Optical communications networks
KR970003527B1 (ko) * 1994-05-14 1997-03-18 재단법인 한국전자통신연구소 파장분할 다중화 방식을 이용한 양방향 다채널 광 링 통신망
US5513194A (en) * 1994-06-30 1996-04-30 Massachusetts Institute Of Technology Stretched-pulse fiber laser
US5654812A (en) * 1994-09-17 1997-08-05 Kabushiki Kaisha Toshiba Light-receiving device, optoelectronic transmission apparatus, and optical demultiplexing method
FR2725528B1 (fr) * 1994-10-11 1996-11-22 Alcatel Nv Ligne a retard optique selectif en longueur d'onde
US5610744A (en) * 1995-02-16 1997-03-11 Board Of Trustees Of The University Of Illinois Optical communications and interconnection networks having opto-electronic switches and direct optical routers
JP3335081B2 (ja) * 1995-07-03 2002-10-15 キヤノン株式会社 パケット通信を行なうネットワークシステムにおいて用いるノード装置、それを用いるネットワークシステム及びそこで用いる通信方法
FR2736777B1 (fr) * 1995-07-12 1997-08-08 Alcatel Nv Reseau de transmission optique avec multiplexage de longueurs d'onde
JP3335087B2 (ja) * 1995-08-09 2002-10-15 キヤノン株式会社 ネットワークシステム及びノード装置及びその制御方法
JPH0983492A (ja) * 1995-09-19 1997-03-28 Canon Inc 波長制御方法と通信システム
JPH0983493A (ja) * 1995-09-19 1997-03-28 Canon Inc 波長多重通信システム
JP3639682B2 (ja) * 1995-12-21 2005-04-20 キヤノン株式会社 ネットワークシステム及びノード装置
GB9704587D0 (en) 1997-03-05 1997-04-23 Fujitsu Ltd Wavelength-division multiplexing in passive optical networks
US6452701B1 (en) 1997-03-19 2002-09-17 Fujitsu Limited Wavelength division multiplexing communications network supervisory system
US6631018B1 (en) 1997-08-27 2003-10-07 Nortel Networks Limited WDM optical network with passive pass-through at each node
JP3285138B2 (ja) * 1997-10-20 2002-05-27 富士通株式会社 リングネットワークにおける伝送装置
EP1041761A3 (de) * 1999-03-31 2005-07-20 Matsushita Electric Industrial Co., Ltd. Wellenlängenabstimmbare Filtereinrichtung
US7272321B1 (en) 1999-05-10 2007-09-18 Alloptic, Inc. Passive optical network
US7386236B1 (en) 1999-09-27 2008-06-10 Alloptic, Inc. Multiple wavelength TDMA optical network
US7646979B1 (en) * 2000-11-29 2010-01-12 Netapp, Inc. Multiple access protocol system and related techniques for multi-gigabit optical wavelength division multiplexed local area networks
US7206510B2 (en) * 2001-10-09 2007-04-17 Nippon Telegraph And Telephone Corporation Ring network using multi-wavelength generator
US8750702B1 (en) * 2002-06-21 2014-06-10 Rockstar Consortium Us Lp Passive optical loopback
US7256849B2 (en) * 2003-06-11 2007-08-14 Samsung Electronics Co., Ltd. Liquid crystal display
US20050169324A1 (en) * 2004-01-30 2005-08-04 Ilday Fatih O. Self-similar laser oscillator
IES20040413A2 (en) * 2004-06-18 2005-12-29 Intune Technologies Ltd Method and system for a distributed wavelength (lambda) routed (dlr) network
FR2872655A1 (fr) * 2004-07-01 2006-01-06 France Telecom Reseau privatif multiservices et modules d'interface permettant de vehiculer, sur un tel reseau, des donnees sous differents formats
US8014671B1 (en) * 2006-01-13 2011-09-06 Lockheed Martin Corporation Wavelength division multiplexed optical channel switching
US8938169B2 (en) * 2008-10-31 2015-01-20 Hewlett-Packard Development Company L. P. Prioritized optical arbitration systems and methods
US9794019B2 (en) 2011-04-28 2017-10-17 Hewlett Packard Enterprise Development Lp Prioritized optical arbitration systems and methods
US9130691B2 (en) * 2013-02-25 2015-09-08 Verizon Patent And Licensing Inc. Optical burst switched network nodes

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986020A (en) * 1975-09-25 1976-10-12 Bell Telephone Laboratories, Incorporated Common medium optical multichannel exchange and switching system
JPS54103055A (en) * 1978-01-31 1979-08-14 Nippon Telegr & Teleph Corp <Ntt> Spectrometer
US4592043A (en) * 1983-07-08 1986-05-27 At&T Bell Laboratories Wavelength division multiplexing optical communications systems
US4797879A (en) * 1987-06-05 1989-01-10 American Telephone And Telegraph Company At&T Bell Laboratories Packet switched interconnection protocols for a star configured optical lan
GB8713794D0 (en) * 1987-06-12 1987-07-15 British Telecomm Optical multiplexing
US4900119A (en) * 1988-04-01 1990-02-13 Canadian Patents & Development Ltd. Wavelength selective optical devices using optical directional coupler
JP2733263B2 (ja) * 1988-10-04 1998-03-30 キヤノン株式会社 集積型光ノードおよびそれを用いたバス型光情報システム
US4932742A (en) * 1989-01-27 1990-06-12 Alcatel Na, Inc. Fiber optic wavelength division multiplexing module
US5173794A (en) * 1989-03-16 1992-12-22 Bell Communications Research, Inc. Wavelength division multiplexing using a tunable acousto-optic filter
ATE107825T1 (de) * 1989-09-29 1994-07-15 Siemens Ag Lichtwellenleiter-telekommunikationssystem mit einem oder mehreren im lwl-weg liegenden optischen schalter(n).
JP2782958B2 (ja) * 1990-12-28 1998-08-06 日本電気株式会社 光ローカルエリアネットワークシステムの媒体アクセス方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4337089C2 (de) * 1993-10-29 2003-09-25 Siemens Ag Optisches, transparentes Ringnetz mit wahlweiser Durchschaltung oder Aus- und Einkopplung von Signalen in den Ringknoten

Also Published As

Publication number Publication date
EP0544216A1 (de) 1993-06-02
DE69230849D1 (de) 2000-05-04
ATE191304T1 (de) 2000-04-15
US5369515A (en) 1994-11-29
JPH05153066A (ja) 1993-06-18
EP0544216B1 (de) 2000-03-29

Similar Documents

Publication Publication Date Title
DE69230849T2 (de) Knotenpunkt eines lokalen optischen Ringnetzwerkes und lokales optisches Ringnetzwerk mit einem solchen Knotenpunkt
EP0080887A3 (de) Faseroptische Datenübertragungsmodule
ATE136705T1 (de) Digitales optisches nachrichtenübertragungssystem mit einem bei der betriebswellenlänge dispersionsbehafteten lichtwellenleiter
GB2014752A (en) Element for use in optical multiplexer or de-multiplexer
DE69131812T2 (de) Optische Übertragungssysteme und darin verwendbare optische Knoten
DE69205016D1 (de) Verfahren und Netzwerk zur Kommunikation über optische Fasern mit Frequenzmultiplex.
CA2098094A1 (en) Optical communications system
JPS54114005A (en) Optical communication system
ATE143546T1 (de) Passives optisches telekommunikationssystem
CA2040756A1 (en) Long range bidirectional optical fiber communication link
JPS542144A (en) Branching filter for optical transmission
ATE118937T1 (de) Optisches zweiwegübertragungssystem.
JPS5439144A (en) Zoom lens system for photography of fixed magnification
SE8205021L (sv) Anordning for att separera stralknippen som utgar fran en optisk fiber
RU2001104442A (ru) Оптическая связь в режиме мдкр с каскадной структурой маски
ES2089116T3 (es) Sistema de transmision optica para la transmision de señales analogicas.
AU1044792A (en) A method and apparatus for relative positioning of a frequency, in particular an optical frequency
RU1807582C (ru) Телевизионна камера
JPS5534569A (en) Ring-shaped line concentration-distribution system using optical mixing-branching filter
TAI Parallel image transmission through a single optical fiber(Final Report, 10 Jun. 1981- 9 Nov. 1985)
JPS57163214A (en) Optical demultiplexer/multiplexer
JPS5690642A (en) Optical communication system
JPS55165049A (en) Loop network system of wavelength multiplex
JPS5426762A (en) Sensitivity adjusting system for photoelectric detector
FI914686A (fi) Menetelmä ja laite valokuituyhteydeltä tulevan valon modulaation oleelliseksi eliminoimiseksi

Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee