GB1457058A - Loop-structured communication system - Google Patents

Loop-structured communication system

Info

Publication number
GB1457058A
GB1457058A GB1543174A GB1543174A GB1457058A GB 1457058 A GB1457058 A GB 1457058A GB 1543174 A GB1543174 A GB 1543174A GB 1543174 A GB1543174 A GB 1543174A GB 1457058 A GB1457058 A GB 1457058A
Authority
GB
United Kingdom
Prior art keywords
loop
unit
sync
delay
auxiliary
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
GB1543174A
Other languages
English (en)
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
Publication of GB1457058A publication Critical patent/GB1457058A/en
Expired legal-status Critical Current

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]
    • H04L12/42—Loop networks
    • H04L12/437—Ring fault isolation or reconfiguration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H04M9/022—Multiplex systems
    • H04M9/025—Time division multiplex systems, e.g. loop systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Small-Scale Networks (AREA)
  • Time-Division Multiplex Systems (AREA)
GB1543174A 1973-05-30 1974-04-08 Loop-structured communication system Expired GB1457058A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH778373A CH551118A (de) 1973-05-30 1973-05-30 Verfahren und einrichtung zum abschalten oder wiederanschalten eines ausgewaehlten ringabschnitts in einer ringfoermigen nachrichtenuebertragungsanlage.

Publications (1)

Publication Number Publication Date
GB1457058A true GB1457058A (en) 1976-12-01

Family

ID=4330398

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1543174A Expired GB1457058A (en) 1973-05-30 1974-04-08 Loop-structured communication system

Country Status (6)

Country Link
JP (1) JPS5422365B2 (enrdf_load_stackoverflow)
CA (1) CA1024278A (enrdf_load_stackoverflow)
CH (1) CH551118A (enrdf_load_stackoverflow)
FR (1) FR2232157B1 (enrdf_load_stackoverflow)
GB (1) GB1457058A (enrdf_load_stackoverflow)
IT (1) IT1014600B (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006325A1 (en) * 1978-06-05 1980-01-09 Fmc Corporation Data transmission system for interconnecting a plurality of data processing terminals
EP0086577A1 (en) 1982-02-08 1983-08-24 Racal-Milgo Limited Communication system
US4486852A (en) * 1978-06-05 1984-12-04 Fmc Corporation Synchronous time-shared data bus system
US4627070A (en) * 1981-09-16 1986-12-02 Fmc Corporation Asynchronous data bus system
CH702634A1 (de) * 2010-02-04 2011-08-15 Radicos Technologies Gmbh Adressierbare knoteneinheit und verfahren zum adressieren.

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859468A (en) * 1973-07-25 1975-01-07 Bell Telephone Labor Inc Redundant data transmission arrangement
CH584492A5 (enrdf_load_stackoverflow) * 1974-12-10 1977-01-31 Hasler Ag
FR2300470A1 (fr) * 1975-02-05 1976-09-03 Cit Alcatel Dispositif de synchronisation d'un train d'informations binaires sur un autre
JPS51116610A (en) * 1975-04-04 1976-10-14 Nec Corp Time division branch-coupling system
US4042780A (en) * 1975-07-23 1977-08-16 Johnson Controls, Inc. Multiple message frame adaptor apparatus for loop communication system
JPS5248416A (en) * 1975-07-23 1977-04-18 Johnson Controls Inc Data communication system
JPS5272516A (en) * 1975-12-15 1977-06-17 Fujitsu Ltd Obstruction test in loop transmission system
JPS52132704A (en) * 1976-04-30 1977-11-07 Hitachi Ltd Loop duplex totally switching method
JPS52154318A (en) * 1976-06-17 1977-12-22 Matsushita Electric Ind Co Ltd Terminal connection method in digital data transmission system
JPS53942A (en) * 1976-06-25 1978-01-07 Hitachi Ltd Double loop system back-up method
JPS5368046A (en) * 1976-11-30 1978-06-17 Toshiba Corp Loop-type data highway system
JPS5387106A (en) * 1977-01-11 1978-08-01 Toshiba Corp Information transmission system of circulation type
JPS5387107A (en) * 1977-01-11 1978-08-01 Toshiba Corp Information transmission system of circulation type
JPS53114633A (en) * 1977-03-17 1978-10-06 Toshiba Corp Data highway system
JPS5847111B2 (ja) * 1979-09-10 1983-10-20 株式会社日立製作所 ル−プ伝送システム
FR2472898B1 (fr) * 1979-12-27 1987-01-09 Jeumont Schneider Reseau de transmission en boucle double
JPS608667B2 (ja) * 1980-10-09 1985-03-05 株式会社明電舎 ル−プ式デ−タハイウエイシステム
FR2526249A1 (fr) * 1982-04-30 1983-11-04 Labo Electronique Physique Procede et dispositif de calage temporel automatique de stations dans un multiplex temporel pour bus optique et systeme de transmission et de traitement de donnees comprenant un tel dispositif
US4561088A (en) * 1984-02-13 1985-12-24 Fmc Corporation Communication system bypass architecture
US4665518A (en) * 1984-02-13 1987-05-12 Fmc Corporation Synchronous/asynchronous communication system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006325A1 (en) * 1978-06-05 1980-01-09 Fmc Corporation Data transmission system for interconnecting a plurality of data processing terminals
US4486852A (en) * 1978-06-05 1984-12-04 Fmc Corporation Synchronous time-shared data bus system
US4627070A (en) * 1981-09-16 1986-12-02 Fmc Corporation Asynchronous data bus system
EP0086577A1 (en) 1982-02-08 1983-08-24 Racal-Milgo Limited Communication system
US4573044A (en) * 1982-02-08 1986-02-25 Racal-Milgo Limited Two channel looped communication system having rerouting and folded loop capabilities
CH702634A1 (de) * 2010-02-04 2011-08-15 Radicos Technologies Gmbh Adressierbare knoteneinheit und verfahren zum adressieren.

Also Published As

Publication number Publication date
FR2232157B1 (enrdf_load_stackoverflow) 1978-04-21
FR2232157A1 (enrdf_load_stackoverflow) 1974-12-27
JPS5022505A (enrdf_load_stackoverflow) 1975-03-11
DE2409471A1 (de) 1974-12-12
CA1024278A (en) 1978-01-10
CH551118A (de) 1974-06-28
IT1014600B (it) 1977-04-30
DE2409471B2 (de) 1975-10-16
JPS5422365B2 (enrdf_load_stackoverflow) 1979-08-06

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee