IT1144160B - Sistema di accesso multiplo di terminali su una linea telefonica numerica - Google Patents

Sistema di accesso multiplo di terminali su una linea telefonica numerica

Info

Publication number
IT1144160B
IT1144160B IT67345/81A IT6734581A IT1144160B IT 1144160 B IT1144160 B IT 1144160B IT 67345/81 A IT67345/81 A IT 67345/81A IT 6734581 A IT6734581 A IT 6734581A IT 1144160 B IT1144160 B IT 1144160B
Authority
IT
Italy
Prior art keywords
terminals
multiple access
telephone line
access system
numeric telephone
Prior art date
Application number
IT67345/81A
Other languages
English (en)
Other versions
IT8167345A0 (it
Inventor
Volmer Chiarottino
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT67345/81A priority Critical patent/IT1144160B/it
Publication of IT8167345A0 publication Critical patent/IT8167345A0/it
Priority to JP57030658A priority patent/JPS57160297A/ja
Priority to EP82101946A priority patent/EP0060517A1/en
Priority to US06/357,276 priority patent/US4463351A/en
Priority to DE198282101946T priority patent/DE60517T1/de
Application granted granted Critical
Publication of IT1144160B publication Critical patent/IT1144160B/it

Links

Classifications

    • 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
    • H04L12/407—Bus networks with decentralised control
    • H04L12/413—Bus networks with decentralised control with random access, e.g. carrier-sense multiple-access with collision detection [CSMA-CD]
    • H04L12/4135—Bus networks with decentralised control with random access, e.g. carrier-sense multiple-access with collision detection [CSMA-CD] using bit-wise arbitration
    • 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
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)
  • Small-Scale Networks (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
IT67345/81A 1981-03-12 1981-03-12 Sistema di accesso multiplo di terminali su una linea telefonica numerica IT1144160B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT67345/81A IT1144160B (it) 1981-03-12 1981-03-12 Sistema di accesso multiplo di terminali su una linea telefonica numerica
JP57030658A JPS57160297A (en) 1981-03-12 1982-03-01 Multiple access system for terminal on digital telephone set
EP82101946A EP0060517A1 (en) 1981-03-12 1982-03-11 Multiple access system of terminals on a digital telephone line
US06/357,276 US4463351A (en) 1981-03-12 1982-03-11 System for providing several data terminals with access to a digital telephone line
DE198282101946T DE60517T1 (de) 1981-03-12 1982-03-11 System zum vielfachzugriff von endgeraeten an eine digitale fernsprechleitung.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67345/81A IT1144160B (it) 1981-03-12 1981-03-12 Sistema di accesso multiplo di terminali su una linea telefonica numerica

Publications (2)

Publication Number Publication Date
IT8167345A0 IT8167345A0 (it) 1981-03-12
IT1144160B true IT1144160B (it) 1986-10-29

Family

ID=11301628

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67345/81A IT1144160B (it) 1981-03-12 1981-03-12 Sistema di accesso multiplo di terminali su una linea telefonica numerica

Country Status (5)

Country Link
US (1) US4463351A (it)
EP (1) EP0060517A1 (it)
JP (1) JPS57160297A (it)
DE (1) DE60517T1 (it)
IT (1) IT1144160B (it)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2513048A1 (fr) * 1981-09-16 1983-03-18 Seinep Ste Electro Nord Est Pa Procede de telecommunication par voie hertzienne et dispositif pour sa mise en oeuvre
JPS58119247A (ja) * 1982-01-08 1983-07-15 Hitachi Ltd デ−タ通信方式
IT1155660B (it) * 1982-03-24 1987-01-28 Cselt Centro Studi Lab Telecom Perfezionamenti alle matrici elementari di commutazione pcm
JPS5923654A (ja) * 1982-07-29 1984-02-07 Sharp Corp デ−タ伝送装置
EP0103437B1 (en) * 1982-09-15 1986-08-13 Plessey Overseas Limited Improvements in or relating to digital electronic switching systems
FR2534097B1 (fr) * 1982-10-04 1989-02-24 Delisle Dominique Interface pour terminaux de reseaux de commutation integrant le telephone et des donnees
US4642630A (en) * 1982-12-28 1987-02-10 At&T Bell Laboratories Method and apparatus for bus contention resolution
FR2543767B1 (fr) * 1983-03-29 1985-06-14 Cit Alcatel Dispositif d'echange de messages codes entre stations
US4569046A (en) * 1983-07-18 1986-02-04 Northern Telecom Limited Method of, and a terminal for, transmitting bytes to a bus
US4613858A (en) * 1983-10-28 1986-09-23 Sperry Corporation Error isolator for bi-directional communications buses
US4658250A (en) * 1984-06-15 1987-04-14 Nering Douglas G Computer network operating method and apparatus for detecting and exploiting data collisions to merge read transactions
US4730311A (en) * 1985-03-12 1988-03-08 Pacific Bell Remote multiplexer for digital telephone system
IT1184933B (it) * 1985-03-28 1987-10-28 Olivetti & Co Spa Circuito di integrazione per la trasmissione e la ricezione di dati
EP0234355B1 (de) * 1986-02-24 1991-10-09 Siemens Aktiengesellschaft Schaltungsanordnung für PCM-Fernmeldeanlagen, insbesondere PCM-Fernsprechvermittlungsanlagen, mit mehreren synchron pulstaktgesteuerten Sendern für gemeinsamen Sendekanal.
US4750168A (en) * 1986-07-07 1988-06-07 Northern Telecom Limited Channel allocation on a time division multiplex bus
US4750171A (en) * 1986-07-11 1988-06-07 Tadiran Electronics Industries Ltd. Data switching system and method
EP0500194B1 (en) * 1987-02-10 1998-05-27 Canon Kabushiki Kaisha Communication apparatus
NL8700736A (nl) * 1987-03-30 1988-10-17 Philips Nv Een-kanaalsbussysteem voor meermeester gebruik, met bitcelsynchronisatie, en meesterstation voorzien van een bitcelsynchronisatie-element daarvoor.
US4987586A (en) * 1987-07-31 1991-01-22 Compaq Computer Corporation Modem-telephone interconnect
JPH01168155A (ja) * 1987-12-24 1989-07-03 Canon Inc 通信端末装置
FR2634038B1 (fr) * 1988-07-08 1993-11-05 Js Telecommunications Micro-ordinateur integrant une terminaison numerique d'abonne de reseau numerique a integration de services
FI81225C (fi) * 1988-09-30 1990-09-10 Kone Oy Foerfarande och anordning foer att saenda meddelande i binaerform i en serietrafikbuss.
DE19536251C1 (de) * 1995-09-28 1997-03-27 Siemens Ag Verfahren zur gemeinsamen Nutzung eines Zeitmultiplexübertragungskanals durch eine Mehrzahl von Sendern
JP3588597B2 (ja) * 2001-06-15 2004-11-10 シャープ株式会社 通信プロトコルに基づく受信装置
CN104845892B (zh) * 2015-04-15 2020-09-29 中国医学科学院药用植物研究所海南分所 一种硬孔菌及其促进沉香属植物产生沉香的应用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3919461A (en) * 1974-01-07 1975-11-11 Engineered Syst Inc Data transmission system
US3978451A (en) * 1975-04-21 1976-08-31 Rca Corporation Controlling communications between computer devices over common bus
US4292623A (en) * 1979-06-29 1981-09-29 International Business Machines Corporation Port logic for a communication bus system
US4359731A (en) * 1980-08-22 1982-11-16 Phillips Petroleum Company Communication link contention resolution system
US4395710A (en) * 1980-11-26 1983-07-26 Westinghouse Electric Corp. Bus access circuit for high speed digital data communication
US4375639A (en) * 1981-01-12 1983-03-01 Harris Corporation Synchronous bus arbiter

Also Published As

Publication number Publication date
JPS57160297A (en) 1982-10-02
IT8167345A0 (it) 1981-03-12
US4463351A (en) 1984-07-31
EP0060517A1 (en) 1982-09-22
DE60517T1 (de) 1983-03-17

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