CA1232346A - Time division multiplexed computerized branch exchange - Google Patents

Time division multiplexed computerized branch exchange

Info

Publication number
CA1232346A
CA1232346A CA000478137A CA478137A CA1232346A CA 1232346 A CA1232346 A CA 1232346A CA 000478137 A CA000478137 A CA 000478137A CA 478137 A CA478137 A CA 478137A CA 1232346 A CA1232346 A CA 1232346A
Authority
CA
Canada
Prior art keywords
bus
signals
branch exchange
coupled
buses
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
Application number
CA000478137A
Other languages
English (en)
French (fr)
Inventor
Howard W. Johnson
Michael G. Duncan
Rod G. Sinks
John D. Edwards
Martin H. Graham
James M. Kasson
Charles M. Corbalis
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1232346A publication Critical patent/CA1232346A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/403—Bus networks with centralised control, e.g. polling
    • H04L12/4035—Bus networks with centralised control, e.g. polling in which slots of a TDMA packet structure are assigned based on a contention resolution carried out at a master unit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40006—Architecture of a communication node
    • H04L12/40013—Details regarding a bus controller
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Multi Processors (AREA)
CA000478137A 1984-05-22 1985-04-02 Time division multiplexed computerized branch exchange Expired CA1232346A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US613,026 1984-05-22
US06/613,026 US4627050A (en) 1984-05-22 1984-05-22 Time division multiplexed computerized branch exchange

Publications (1)

Publication Number Publication Date
CA1232346A true CA1232346A (en) 1988-02-02

Family

ID=24455571

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000478137A Expired CA1232346A (en) 1984-05-22 1985-04-02 Time division multiplexed computerized branch exchange

Country Status (9)

Country Link
US (1) US4627050A (enExample)
JP (1) JPS60256295A (enExample)
KR (1) KR900000724B1 (enExample)
AU (1) AU571046B2 (enExample)
CA (1) CA1232346A (enExample)
DE (1) DE3518006C2 (enExample)
FR (2) FR2565056B1 (enExample)
GB (1) GB2159368B (enExample)
IT (1) IT1183652B (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3604966C1 (de) * 1986-02-17 1987-04-09 Nixdorf Computer Ag Schaltungsanordnung zum Vermitteln von Binaersignalen,insbesondere PCM-Signalen
US4787029A (en) * 1986-09-29 1988-11-22 Gte Communication Systems Corporation Level converting bus extender with subsystem selection signal decoding enabling connection to microprocessor
DE3850161D1 (de) * 1987-04-01 1994-07-21 Siemens Ag System zum Anschluss mehrerer Endgeräte an eine Netzabschlusseinrichtung in einem Breitbandnachrichtennetz.
US5241541A (en) * 1990-03-15 1993-08-31 International Business Machines Corporation Burst time division multiplex interface for integrated data link controller
US5276678A (en) * 1990-06-18 1994-01-04 Intelect, Inc. Distributed switching and telephone conferencing system
AU2010192A (en) 1991-05-21 1992-12-30 Videotelecom Corp. A multiple medium message recording system
US5455915A (en) * 1993-12-16 1995-10-03 Intel Corporation Computer system with bridge circuitry having input/output multiplexers and third direct unidirectional path for data transfer between buses operating at different rates
US5761433A (en) * 1995-11-13 1998-06-02 Billings; Roger E. System for communicating data in a network using both a daisy chain link and separate broadcast links
US5793981A (en) * 1995-11-13 1998-08-11 Billings; Roger E. System for communicating data in a network using both a daisy chain link and separate broadcast links
US5867484A (en) * 1997-01-31 1999-02-02 Intellect Network Technologies Switchable multi-drop video distribution system
US6067594A (en) 1997-09-26 2000-05-23 Rambus, Inc. High frequency bus system
US6473436B1 (en) * 1998-01-27 2002-10-29 Alcatel Usa Sourcing, L.P. Digital loop carrier
US5966379A (en) * 1998-02-17 1999-10-12 Square D Company Multiplex extender for discrete I/O devices on a time division network
CN1257368A (zh) * 1998-07-24 2000-06-21 休斯电子公司 通信系统中的扩展接口单元
GB2341766A (en) * 1998-09-18 2000-03-22 Pixelfusion Ltd Bus architecture
DE19904543A1 (de) * 1999-02-04 2000-02-10 Siemens Ag Buskoppler
US20020075860A1 (en) * 2000-12-19 2002-06-20 Young Gene F. High density serverlets utilizing high speed data bus
US8463996B2 (en) * 2003-08-19 2013-06-11 Oracle America, Inc. Multi-core multi-thread processor crossbar architecture
US8218811B2 (en) 2007-09-28 2012-07-10 Uti Limited Partnership Method and system for video interaction based on motion swarms

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2723309A (en) * 1950-03-10 1955-11-08 Int Standard Electric Corp Telephone system
US3835252A (en) * 1968-11-12 1974-09-10 Burroughs Corp Signal transmission system over bidirectional transmission line
US3732374A (en) * 1970-12-31 1973-05-08 Ibm Communication system and method
FR2328349A1 (fr) * 1973-03-01 1977-05-13 Ibm France Systeme de commutation en multiplex a division dans le temps
US3851104A (en) * 1973-04-11 1974-11-26 Mitre Corp Digital communications system
US4161786A (en) * 1978-02-27 1979-07-17 The Mitre Corporation Digital bus communications system
US4210780A (en) * 1978-03-27 1980-07-01 The Mitre Corporation Multiple access digital communications system

Also Published As

Publication number Publication date
FR2624331B1 (fr) 1994-02-18
GB2159368B (en) 1988-04-07
IT1183652B (it) 1987-10-22
GB2159368A (en) 1985-11-27
IT8520833A0 (it) 1985-05-22
FR2624331A1 (fr) 1989-06-09
US4627050A (en) 1986-12-02
DE3518006C2 (de) 1993-12-23
JPS60256295A (ja) 1985-12-17
AU3796685A (en) 1985-11-28
AU571046B2 (en) 1988-03-31
KR900000724B1 (en) 1990-02-07
DE3518006A1 (de) 1985-11-28
JPH0375000B2 (enExample) 1991-11-28
FR2565056B1 (fr) 1991-12-20
KR850008074A (ko) 1985-12-11
GB8430063D0 (en) 1985-01-09
FR2565056A1 (fr) 1985-11-29

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Legal Events

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