DE3787050D1 - Bidirektionales uebertragungsnetzwerk mit optischen fasern. - Google Patents

Bidirektionales uebertragungsnetzwerk mit optischen fasern.

Info

Publication number
DE3787050D1
DE3787050D1 DE8787107183T DE3787050T DE3787050D1 DE 3787050 D1 DE3787050 D1 DE 3787050D1 DE 8787107183 T DE8787107183 T DE 8787107183T DE 3787050 T DE3787050 T DE 3787050T DE 3787050 D1 DE3787050 D1 DE 3787050D1
Authority
DE
Germany
Prior art keywords
optical fibers
transmission network
bidirectional transmission
bidirectional
network
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
DE8787107183T
Other languages
English (en)
Other versions
DE3787050T2 (de
Inventor
Katsuyuki Imoto
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=15090219&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3787050(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE3787050D1 publication Critical patent/DE3787050D1/de
Application granted granted Critical
Publication of DE3787050T2 publication Critical patent/DE3787050T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2589—Bidirectional transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0079—Operation or maintenance aspects
    • H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
DE87107183T 1986-06-10 1987-05-18 Bidirektionales Übertragungsnetzwerk mit optischen Fasern. Expired - Fee Related DE3787050T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61132815A JPS62290219A (ja) 1986-06-10 1986-06-10 双方向光伝送路網

Publications (2)

Publication Number Publication Date
DE3787050D1 true DE3787050D1 (de) 1993-09-23
DE3787050T2 DE3787050T2 (de) 1993-12-09

Family

ID=15090219

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87107183T Expired - Fee Related DE3787050T2 (de) 1986-06-10 1987-05-18 Bidirektionales Übertragungsnetzwerk mit optischen Fasern.

Country Status (4)

Country Link
US (1) US4801190A (de)
EP (1) EP0249056B1 (de)
JP (1) JPS62290219A (de)
DE (1) DE3787050T2 (de)

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US4970722A (en) * 1987-11-02 1990-11-13 Amp Incorporated Broadband local area network
GB2224611B (en) * 1988-11-08 1993-04-28 Stc Plc Synchronous multi-frequency optical network
GB2224901A (en) * 1988-11-11 1990-05-16 Stc Plc Optical fibre networks
US4911515A (en) * 1988-12-22 1990-03-27 Northern Telecom Limited Optical fiber communications system with optical fiber monitoring
GB2227623A (en) * 1989-01-28 1990-08-01 Stc Plc Optical fibre network
US4896934A (en) * 1989-02-03 1990-01-30 Bell Communications Research, Inc. Broadband optical multicast switch
US5043975A (en) * 1989-06-29 1991-08-27 Digital Equipment Corporation High bandwidth network based on wavelength division multiplexing
US5587734A (en) * 1990-09-28 1996-12-24 Ictv, Inc. User interface for selecting television information services through pseudo-channel access
US5526034A (en) * 1990-09-28 1996-06-11 Ictv, Inc. Interactive home information system with signal assignment
US5557316A (en) * 1990-09-28 1996-09-17 Ictv, Inc. System for distributing broadcast television services identically on a first bandwidth portion of a plurality of express trunks and interactive services over a second bandwidth portion of each express trunk on a subscriber demand basis
US5594507A (en) * 1990-09-28 1997-01-14 Ictv, Inc. Compressed digital overlay controller and method for MPEG type video signal
US5883661A (en) * 1990-09-28 1999-03-16 Ictv, Inc. Output switching for load levelling across multiple service areas
US5412720A (en) * 1990-09-28 1995-05-02 Ictv, Inc. Interactive home information system
US5220420A (en) * 1990-09-28 1993-06-15 Inteletext Systems, Inc. Interactive home information system for distributing compressed television programming
US20050114906A1 (en) * 1993-05-03 2005-05-26 Ictv, Inc. System for interactive television
JPH07264131A (ja) * 1994-03-17 1995-10-13 Fujitsu Ltd 光加入者伝送システム及びそのシステムに用いられる加入者ユニット
DE4417771A1 (de) * 1994-05-20 1995-11-23 Siemens Ag Optisches TDM/TDMA-System mit erhöhtem Reichweitenbereich
JPH07321744A (ja) * 1994-05-27 1995-12-08 Nec Corp 光ネットワークおよびアナログ中継ノード
CN1150514A (zh) * 1994-06-08 1997-05-21 英国电讯有限公司 接入网
US5668652A (en) * 1995-02-24 1997-09-16 Nippon Telegraph & Telephone Corporation Optical WDM (wavelength division multiplexing) transmission system and method for configuring the same
EP0830786A1 (de) * 1995-06-08 1998-03-25 ICTV,Inc. Kanalumschaltungseinrichtung
US5808764A (en) * 1995-12-28 1998-09-15 Lucent Technologies, Inc. Multiple star, passive optical network based on remote interrogation of terminal equipment
JP2000147306A (ja) * 1998-08-31 2000-05-26 Kokusai Electric Co Ltd 波長領域多重光スタ―カプラ、通信局、及び光伝送システム
US6519773B1 (en) * 2000-02-08 2003-02-11 Sherjil Ahmed Method and apparatus for a digitized CATV network for bundled services
US7155126B2 (en) * 2002-03-01 2006-12-26 Uhuru Networks Method and apparatus for dynamic bandwidth control in a broadcast optical communications network
KR100516663B1 (ko) 2003-01-02 2005-09-22 삼성전자주식회사 방송형-서비스와 데이터-서비스를 동시에 제공하는 수동형광 가입자 망 시스템
JP2005168043A (ja) * 2005-01-07 2005-06-23 Hitachi Kokusai Electric Inc 基地局装置及び中継伝送局装置
US8074248B2 (en) 2005-07-26 2011-12-06 Activevideo Networks, Inc. System and method for providing video content associated with a source image to a television in a communication network
JP4602900B2 (ja) * 2005-09-09 2010-12-22 日本電信電話株式会社 一心双方向の波長多重光通信システムにおける光送受信装置
EP2105019A2 (de) * 2006-09-29 2009-09-30 Avinity Systems B.V. Verfahren zum streaming paralleler benutzersitzungen, system und computersoftware
US9826197B2 (en) 2007-01-12 2017-11-21 Activevideo Networks, Inc. Providing television broadcasts over a managed network and interactive content over an unmanaged network to a client device
WO2008088741A2 (en) 2007-01-12 2008-07-24 Ictv, Inc. Interactive encoded content system including object models for viewing on a remote device
AU2011315950B2 (en) 2010-10-14 2015-09-03 Activevideo Networks, Inc. Streaming digital video between video devices using a cable television system
WO2012138660A2 (en) 2011-04-07 2012-10-11 Activevideo Networks, Inc. Reduction of latency in video distribution networks using adaptive bit rates
EP2815582B1 (de) 2012-01-09 2019-09-04 ActiveVideo Networks, Inc. Wiedergabe einer interaktiven vereinfachten benutzerschnittstelle auf einem fernsehgerät
US9800945B2 (en) 2012-04-03 2017-10-24 Activevideo Networks, Inc. Class-based intelligent multiplexing over unmanaged networks
US9123084B2 (en) 2012-04-12 2015-09-01 Activevideo Networks, Inc. Graphical application integration with MPEG objects
WO2014145921A1 (en) 2013-03-15 2014-09-18 Activevideo Networks, Inc. A multiple-mode system and method for providing user selectable video content
EP3005712A1 (de) 2013-06-06 2016-04-13 ActiveVideo Networks, Inc. Überlagerte darstellung einer benutzerschnittstelle auf quellvideoinhalten
US9294785B2 (en) 2013-06-06 2016-03-22 Activevideo Networks, Inc. System and method for exploiting scene graph information in construction of an encoded video sequence
US9219922B2 (en) 2013-06-06 2015-12-22 Activevideo Networks, Inc. System and method for exploiting scene graph information in construction of an encoded video sequence
US9788029B2 (en) 2014-04-25 2017-10-10 Activevideo Networks, Inc. Intelligent multiplexing using class-based, multi-dimensioned decision logic for managed networks

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2922418C2 (de) * 1979-06-01 1981-12-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Dienstintegriertes Nachrichtenübertragungs- und Vermittlungssystem für Ton, Bild und Daten
FR2517147A1 (fr) * 1981-11-25 1983-05-27 Telecommunications Sa Systeme numerique de transmission d'informations par voie optique dit pluribus optique
US4511208A (en) * 1981-11-26 1985-04-16 Tokyo Shibaura Denki Kabushiki Kaisha Optical communication system
DE3220817A1 (de) * 1982-06-03 1983-12-08 Standard Elektrik Lorenz Ag, 7000 Stuttgart Verteilnetz
AU569803B2 (en) 1984-09-06 1988-02-18 Hitachi Limited Optical fibre star coupler
US4705350A (en) * 1985-09-19 1987-11-10 Bell Communications Research, Inc. Optical transmission network
EP0239591A4 (de) * 1985-09-25 1989-05-16 Australian Telecomm Commission Optisches verteilungssystem.
US4690491A (en) * 1985-10-04 1987-09-01 Southwestern Bell Telephone Building data transmission system

Also Published As

Publication number Publication date
EP0249056A3 (en) 1989-07-19
DE3787050T2 (de) 1993-12-09
US4801190A (en) 1989-01-31
EP0249056B1 (de) 1993-08-18
EP0249056A2 (de) 1987-12-16
JPS62290219A (ja) 1987-12-17

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee