DE69027817D1 - Digitaler signal-multiplexer und -trenner - Google Patents

Digitaler signal-multiplexer und -trenner

Info

Publication number
DE69027817D1
DE69027817D1 DE69027817T DE69027817T DE69027817D1 DE 69027817 D1 DE69027817 D1 DE 69027817D1 DE 69027817 T DE69027817 T DE 69027817T DE 69027817 T DE69027817 T DE 69027817T DE 69027817 D1 DE69027817 D1 DE 69027817D1
Authority
DE
Germany
Prior art keywords
disconnector
digital signal
signal multiplexer
multiplexer
digital
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
DE69027817T
Other languages
English (en)
Other versions
DE69027817T2 (de
Inventor
Yuji Obana
Masanori Hiramoto
Masayuki Tanaka
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE69027817D1 publication Critical patent/DE69027817D1/de
Application granted granted Critical
Publication of DE69027817T2 publication Critical patent/DE69027817T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/04—Distributors combined with modulators or demodulators
    • H04J3/047—Distributors with transistors or integrated circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • H04J3/0605—Special codes used as synchronising signal
    • H04J3/0608—Detectors therefor, e.g. correlators, state machines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • H04J3/1605—Fixed allocated frame structures
    • H04J3/1611—Synchronous digital hierarchy [SDH] or SONET
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0089—Multiplexing, e.g. coding, scrambling, SONET

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Time-Division Multiplex Systems (AREA)
DE69027817T 1989-01-09 1990-01-08 Digitaler signal-multiplexer und -trenner Expired - Fee Related DE69027817T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP333889 1989-01-09
JP2748589 1989-02-08
JP4159189 1989-02-23
PCT/JP1990/000011 WO1990007829A1 (fr) 1989-01-09 1990-01-08 Separateur et multiplexeur de signaux numeriques

Publications (2)

Publication Number Publication Date
DE69027817D1 true DE69027817D1 (de) 1996-08-22
DE69027817T2 DE69027817T2 (de) 1997-01-09

Family

ID=27275775

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69027817T Expired - Fee Related DE69027817T2 (de) 1989-01-09 1990-01-08 Digitaler signal-multiplexer und -trenner

Country Status (5)

Country Link
US (1) US5136587A (de)
EP (2) EP0660555A3 (de)
CA (1) CA2024809C (de)
DE (1) DE69027817T2 (de)
WO (1) WO1990007829A1 (de)

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US5715248A (en) * 1992-05-21 1998-02-03 Alcatel Network Systems, Inc. Derivation of VT group clock from SONET STS-1 payload clock and VT group bus definition
JPH06510416A (ja) * 1992-06-29 1994-11-17 デイド、インターナショナル、インコーポレイテッド 高速の時間多重化されたデータ伝送システム
CA2108725C (en) * 1992-11-23 1999-05-04 John J. Muramatsu Expansible high speed digital multiplexer
JP2810617B2 (ja) * 1993-06-23 1998-10-15 株式会社三協精機製作所 多重シリアル信号の伝送方法
DE4329733A1 (de) * 1993-09-03 1995-03-09 Sel Alcatel Ag Zeitmultiplex-Verfahren
JPH07123067A (ja) * 1993-10-20 1995-05-12 Hitachi Ltd 多重化装置
JPH07264177A (ja) * 1994-03-25 1995-10-13 Matsushita Electric Ind Co Ltd 並列信号光伝送方式
DE4415288A1 (de) * 1994-04-30 1995-11-02 Ant Nachrichtentech Verfahren zur Aufbereitung und Wiedergewinnung von Daten sowie Anordnung hierzu
KR0133423B1 (ko) * 1994-12-09 1998-04-27 양승택 프레임 동기 장치(frame synchronizng device)
JPH08205105A (ja) * 1995-01-26 1996-08-09 Hitachi Denshi Ltd ディジタル信号伝送システム
GB9517130D0 (en) * 1995-08-22 1995-10-25 Nat Transcommunications Ltd Statistical multiplexing
JP2845180B2 (ja) * 1995-10-18 1999-01-13 日本電気株式会社 Ａｔｍセル多重化装置
US5757804A (en) * 1996-07-05 1998-05-26 Racal-Datacom, Inc. Method and apparatus for eliminating offset calculations
WO1998021846A1 (de) * 1996-11-08 1998-05-22 Siemens Aktiengesellschaft Verfahren und anordnung zum multiplexen einer vielzahl digitaler datenströme zu einem digitalen gesamtdatenstrom sowie verfahren und anordnung zum demultiplexen eines digitalen gesamtdatenstroms zu einer vielzahl digitaler datenströme
JP3415378B2 (ja) 1996-11-15 2003-06-09 富士通株式会社 フレーム同期パターン処理装置並びにフレーム同期パターン検出装置及びフレーム同期パターン検出方法
ES2119707B1 (es) * 1996-11-19 1999-06-16 Telefonica Nacional Espana Co Circuito interfaz de linea para banda ancha.
US6408034B1 (en) * 1997-04-22 2002-06-18 Silicon Laboratories, Inc. Framed delta sigma data with unlikely delta sigma data patterns
JPH10322298A (ja) * 1997-05-20 1998-12-04 Nec Corp 時分割多重伝送におけるチャネル認識方法及びこれを用いた時分割多重伝送システム
JPH11239113A (ja) * 1998-02-24 1999-08-31 Fujitsu Ltd Ｓｄｈ伝送方式における擬似同期防止方法並びに擬似同期防止式ｓｄｈ伝送システム及び擬似同期防止式ｓｄｈ伝送システムにおける送受信装置
US6580538B1 (en) 1998-09-22 2003-06-17 Lucent Technologies Inc. Reduction of optical impairments in wavelength division multiplexed systems employing a wavelength bus architecture
US6731875B1 (en) * 1998-09-22 2004-05-04 Lucent Technologies Inc. Wavelength bus architecture for ultra-high speed dense wavelength division multiplexed systems
US6577732B1 (en) * 1998-09-22 2003-06-10 Lucent Technologies Inc. Hierarchical encryption technique for dense wavelength division multiplexed systems using a wavelength bus architecture
US6188702B1 (en) * 1998-11-17 2001-02-13 Inrange Technologies Corporation High speed linking module
US6178184B1 (en) * 1998-12-11 2001-01-23 Avaya Technology Corp. Arrangement for synchronization of multiple streams of synchronous traffic delivered by an asynchronous medium
SE518865C2 (sv) 1998-12-22 2002-12-03 Switchcore Ab Anordning och metod för omvandling av data i seriellt format till parallellt format och vice versa
JP3862884B2 (ja) 1999-03-04 2006-12-27 三菱電機株式会社 トリビュタリ信号の多重送信システムおよび多重送信方法
JP2001197052A (ja) * 2000-01-13 2001-07-19 Nec Corp フレーム同期検出回路
CN1419758A (zh) * 2000-02-04 2003-05-21 西门子公司 高阶数的多路复用设备中的并行信号分配和信号处理
FI20001913A (fi) 2000-08-30 2002-03-01 Nokia Mobile Phones Ltd Menetelmä ja järjestely häiriön vähentämiseksi
US20020103926A1 (en) * 2000-12-19 2002-08-01 Alcatel Usa Sourcing, L.P. Method of transparently transporting sonet STS-3C frame information across a network
US6934304B2 (en) 2001-01-24 2005-08-23 Infineon Technologies, North America Corp. T1/E1 framer array
CN1537376A (zh) * 2001-07-24 2004-10-13 �����ɷ� 可扩展和自动生成且基于多路复用器的集成电路分层级互连架构
WO2003046738A1 (en) * 2001-11-21 2003-06-05 Interdigital Technology Corporation Method employed by a base station for transferring data
US7069464B2 (en) * 2001-11-21 2006-06-27 Interdigital Technology Corporation Hybrid parallel/serial bus interface
US7292607B2 (en) * 2002-02-04 2007-11-06 Sartre Satire Llc Method and circuit for processing data in communication networks
US7089475B1 (en) 2003-03-26 2006-08-08 Silicon Laboratories Inc. Error correction of data across an isolation barrier
US20050002728A1 (en) * 2003-07-01 2005-01-06 Isaac Weiser Plastic connector for connecting parts and method therefor
US20120331194A1 (en) * 2011-06-23 2012-12-27 Apple Inc. Interface extender for portable electronic devices
JP6858278B2 (ja) * 2018-01-15 2021-04-14 株式会社Ｆｕｊｉ 多重装置、作業機、及び通信の切断方法

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US4052566A (en) * 1975-12-24 1977-10-04 D.D.I. Communications, Inc. Multiplexer transmitter terminator
JPS5851457B2 (ja) * 1978-12-28 1983-11-16 富士通株式会社 時分割多重伝送装置
JPS5676654A (en) * 1979-11-29 1981-06-24 Fujitsu Ltd Bus transmission system
JPS56137748A (en) * 1980-03-28 1981-10-27 Toshiba Corp Mutliplexing circuit
JPS58153434A (ja) * 1982-03-09 1983-09-12 Nec Corp 多重変換方式
JPS59135946A (ja) * 1983-01-25 1984-08-04 Nec Corp デイジタル同期多重変換方式
JPS6039937A (ja) * 1983-08-15 1985-03-02 Fujitsu Ltd 同期方式
DE3435652A1 (de) * 1984-09-28 1986-04-10 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zum erzeugen eines zeitmultiplexsignals
US4675861A (en) * 1984-11-28 1987-06-23 Adc Telecommunications, Inc. Fiber optic multiplexer
JPS61135243A (ja) * 1984-12-06 1986-06-23 Fujitsu Ltd 多重伝送方法
DE3642608C2 (de) * 1986-12-13 1997-01-02 Sel Alcatel Ag Dienstintegriertes Breitband-Zeitmultiplex- Nachrichtenübertragungssystem
EP0311448B1 (de) * 1987-10-09 1994-01-19 Kabushiki Kaisha Toshiba Digitaler Multiplexer
JPH0622359B2 (ja) * 1987-12-14 1994-03-23 富士通株式会社 フレーム同期方式
JPH0828691B2 (ja) * 1988-03-14 1996-03-21 富士通株式会社 フレーム同期方式
US5040170A (en) * 1988-12-09 1991-08-13 Transwitch Corporation System for cross-connecting high speed digital signals

Also Published As

Publication number Publication date
EP0660555A3 (de) 1995-09-13
EP0403663A1 (de) 1990-12-27
DE69027817T2 (de) 1997-01-09
US5136587A (en) 1992-08-04
EP0403663A4 (en) 1992-12-02
CA2024809A1 (en) 1990-07-10
EP0403663B1 (de) 1996-07-17
CA2024809C (en) 1994-11-01
EP0660555A2 (de) 1995-06-28
WO1990007829A1 (fr) 1990-07-12

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: FUJITSU LTD., KAWASAKI, KANAGAWA, JP

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee