GB1545613A - Data communications apparatus for providing access to a serial transmission loop - Google Patents

Data communications apparatus for providing access to a serial transmission loop

Info

Publication number
GB1545613A
GB1545613A GB1732676A GB1732676A GB1545613A GB 1545613 A GB1545613 A GB 1545613A GB 1732676 A GB1732676 A GB 1732676A GB 1732676 A GB1732676 A GB 1732676A GB 1545613 A GB1545613 A GB 1545613A
Authority
GB
United Kingdom
Prior art keywords
data communications
providing access
communications apparatus
serial transmission
transmission loop
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
GB1732676A
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.)
Unisys Corp
Original Assignee
Burroughs 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 Burroughs Corp filed Critical Burroughs Corp
Publication of GB1545613A publication Critical patent/GB1545613A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4208—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus
    • G06F13/4213—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus with asynchronous protocol

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Small-Scale Networks (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Communication Control (AREA)
GB1732676A 1975-05-29 1976-04-28 Data communications apparatus for providing access to a serial transmission loop Expired GB1545613A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58193975A 1975-05-29 1975-05-29

Publications (1)

Publication Number Publication Date
GB1545613A true GB1545613A (en) 1979-05-10

Family

ID=24327190

Family Applications (4)

Application Number Title Priority Date Filing Date
GB141677A Expired GB1545614A (en) 1975-05-29 1976-04-28 Method of transmitting data
GB144777A Expired GB1545616A (en) 1975-05-29 1976-04-28 Apparatus for use with a serial digital transmission loop
GB141777A Expired GB1545615A (en) 1975-05-29 1976-04-28 Methods of communicating data
GB1732676A Expired GB1545613A (en) 1975-05-29 1976-04-28 Data communications apparatus for providing access to a serial transmission loop

Family Applications Before (3)

Application Number Title Priority Date Filing Date
GB141677A Expired GB1545614A (en) 1975-05-29 1976-04-28 Method of transmitting data
GB144777A Expired GB1545616A (en) 1975-05-29 1976-04-28 Apparatus for use with a serial digital transmission loop
GB141777A Expired GB1545615A (en) 1975-05-29 1976-04-28 Methods of communicating data

Country Status (4)

Country Link
JP (1) JPS5931905B2 (de)
DE (1) DE2623806A1 (de)
FR (1) FR2325106A1 (de)
GB (4) GB1545614A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2817121C2 (de) * 1978-04-19 1985-10-10 Siemens AG, 1000 Berlin und 8000 München Gefahrenmeldeanlage
GB2077468B (en) * 1980-06-04 1984-10-24 Hitachi Ltd Multi-computer system with plural serial bus loops
GB2207326A (en) * 1987-07-22 1989-01-25 Gec Avionics Ring-shaped local area network
DE3744508A1 (de) * 1987-12-30 1989-07-13 Lawrenz Wolfhard Simulator fuer ein datennetzwerksystem

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544976A (en) * 1968-07-02 1970-12-01 Collins Radio Co Digitalized communication system with computation and control capabilities employing transmission line loop for data transmission
US3731002A (en) * 1970-10-08 1973-05-01 Bell Telephone Labor Inc Interconnected loop data block transmission system
US3878514A (en) * 1972-11-20 1975-04-15 Burroughs Corp LSI programmable processor

Also Published As

Publication number Publication date
GB1545615A (en) 1979-05-10
DE2623806A1 (de) 1976-12-09
JPS51149734A (en) 1976-12-22
GB1545614A (en) 1979-05-10
JPS5931905B2 (ja) 1984-08-04
FR2325106A1 (fr) 1977-04-15
GB1545616A (en) 1979-05-10
DE2623806C2 (de) 1990-08-23

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19960427