JPH0366863B2 - - Google Patents

Info

Publication number
JPH0366863B2
JPH0366863B2 JP55121041A JP12104180A JPH0366863B2 JP H0366863 B2 JPH0366863 B2 JP H0366863B2 JP 55121041 A JP55121041 A JP 55121041A JP 12104180 A JP12104180 A JP 12104180A JP H0366863 B2 JPH0366863 B2 JP H0366863B2
Authority
JP
Japan
Prior art keywords
communication control
signal
station
communication
transmission
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 - Lifetime
Application number
JP55121041A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5745757A (en
Inventor
Kanman Hamada
Norihiko Sugimoto
Masumi Nawa
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
Hitachi Industry and Control Solutions Co Ltd
Original Assignee
Hitachi Engineering Co Ltd
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
Application filed by Hitachi Engineering Co Ltd, Hitachi Ltd filed Critical Hitachi Engineering Co Ltd
Priority to JP55121041A priority Critical patent/JPS5745757A/ja
Priority to US06/295,547 priority patent/US4517644A/en
Publication of JPS5745757A publication Critical patent/JPS5745757A/ja
Publication of JPH0366863B2 publication Critical patent/JPH0366863B2/ja
Granted 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
    • G06F13/368—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control
    • G06F13/372—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control using a time-dependent priority, e.g. individually loaded time counters or time slot
    • 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
    • H04L12/427—Loop networks with decentralised control
    • H04L12/433—Loop networks with decentralised control with asynchronous transmission, e.g. token ring, register insertion

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Small-Scale Networks (AREA)
  • Selective Calling Equipment (AREA)
JP55121041A 1980-09-03 1980-09-03 Ring type communication system of equal level Granted JPS5745757A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP55121041A JPS5745757A (en) 1980-09-03 1980-09-03 Ring type communication system of equal level
US06/295,547 US4517644A (en) 1980-09-03 1981-08-24 Symmetry type loop communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55121041A JPS5745757A (en) 1980-09-03 1980-09-03 Ring type communication system of equal level

Publications (2)

Publication Number Publication Date
JPS5745757A JPS5745757A (en) 1982-03-15
JPH0366863B2 true JPH0366863B2 (en, 2012) 1991-10-18

Family

ID=14801348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55121041A Granted JPS5745757A (en) 1980-09-03 1980-09-03 Ring type communication system of equal level

Country Status (2)

Country Link
US (1) US4517644A (en, 2012)
JP (1) JPS5745757A (en, 2012)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07113843B2 (ja) * 1982-10-22 1995-12-06 株式会社日立製作所 サブシステムの協調化方法
EP0190370B1 (en) * 1984-12-31 1990-04-04 International Business Machines Corporation Device for improving the detection of non-operational states in a non-attended interrupt-driven processor
DE3685761T2 (de) * 1985-03-12 1993-01-07 Honda Motor Co Ltd Multiplexuebertragungssystem.
CA1261022A (en) * 1985-03-12 1989-09-26 Harutada Ohya Multiplex transmission system
JPS62168441A (ja) * 1986-01-20 1987-07-24 Mitsubishi Electric Corp 自立形伝送制御装置
JPH0758967B2 (ja) * 1986-02-10 1995-06-21 株式会社トキメック 流体制御弁の通信制御システム
US4740992A (en) * 1986-04-29 1988-04-26 American Telephone And Telegraph Company, At&T Bell Laboratories Peer relationship transceiver
DE3702591A1 (de) * 1987-01-29 1988-08-11 Sonnenschein Accumulatoren Schaltung zur laufenden ueberpruefung der qualitaet einer mehrzelligen batterie
JPS63199540A (ja) * 1987-02-16 1988-08-18 Toshiba Corp デ−タ伝送方法及び装置
US4805170A (en) * 1987-04-29 1989-02-14 American Telephone And Telegraph Company, At&T Bell Laboratories Data communication network
JP3292300B2 (ja) * 1990-11-22 2002-06-17 株式会社日立製作所 フィールドバスシステム
US6101321A (en) * 1992-04-10 2000-08-08 Eastman Kodak Company Method and apparatus for broadcasting data in a ring connected multiprocessor
US5802321A (en) * 1996-06-20 1998-09-01 Square D Company Synchronous serial communication network for controlling single point I/O devices
EP1450534A4 (en) * 2001-11-22 2010-11-10 Panasonic Corp DATA TRANSMISSION SYSTEM, DATA TRANSMISSION DEVICE, DATA RECEIVER AND DATA TRANSMISSION METHOD
EP1828858B1 (de) 2004-12-24 2019-02-13 Pilz GmbH & Co. KG Steuerungssystem mit einer vielzahl von räumlich verteilten stationen sowie verfahren zum übertragen von daten in einem solchen steuerungssystem
FR2950174B1 (fr) * 2009-09-16 2011-11-18 Sierra Wireless Inc Dispositif de synchronisation d'un noeud esclave a synchroniser dans un cycle de transmission de donnees d'un bus de communication et systeme electronique correspondant.

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2044650B1 (en, 2012) * 1969-05-16 1974-06-14 Ibm France
US3681759A (en) * 1970-08-06 1972-08-01 Collins Radio Co Data loop synchronizing apparatus
US3781815A (en) * 1972-02-15 1973-12-25 Ibm Terminal interface for a serial loop communications system having store and forward capability
JPS4999202A (en, 2012) * 1973-01-26 1974-09-19
US3919484A (en) * 1974-03-01 1975-11-11 Rca Corp Loop controller for a loop data communications system
CH584492A5 (en, 2012) * 1974-12-10 1977-01-31 Hasler Ag
JPS5248416A (en) * 1975-07-23 1977-04-18 Johnson Controls Inc Data communication system
JPS5215204A (en) * 1975-07-26 1977-02-04 Fuji Electric Co Ltd Informatioon transmission system
US4028667A (en) * 1975-12-22 1977-06-07 International Business Machines Corporation Asynchronous, hierarchical loop communication system with independent local station control of access to inbound time portions without central control
US4004275A (en) * 1976-01-12 1977-01-18 International Business Machines Corporation Self-clocking data entry unit system
JPS52117004A (en) * 1976-03-29 1977-10-01 Hitachi Ltd Error control for loop transmission
JPS52131083A (en) * 1976-04-28 1977-11-02 Japanese National Railways<Jnr> Remote control system
FR2406916A1 (fr) * 1977-10-18 1979-05-18 Ibm France Systeme de transmission de donnees decentralise
US4306304A (en) * 1979-07-31 1981-12-15 Bell Telephone Laboratories, Incorporated Digital loop synchronization circuit
US4288871A (en) * 1979-11-05 1981-09-08 Bell Telephone Laboratories, Incorporated Digital loop conferencing signal correction arrangement
US4304001A (en) * 1980-01-24 1981-12-01 Forney Engineering Company Industrial control system with interconnected remotely located computer control units
US4354229A (en) * 1980-03-10 1982-10-12 International Business Machines Corporation Loop initialization mechanism for a peer-to-peer communication system
US4387425A (en) * 1980-05-19 1983-06-07 Data General Corporation Masterless and contentionless computer network
US4395710A (en) * 1980-11-26 1983-07-26 Westinghouse Electric Corp. Bus access circuit for high speed digital data communication
US4383315A (en) * 1981-07-20 1983-05-10 Bell Telephone Laboratories, Incorporated Idle time slot seizure and transmission facilities for loop communication system

Also Published As

Publication number Publication date
US4517644A (en) 1985-05-14
JPS5745757A (en) 1982-03-15

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