SE444619B - Sett att i ett digitalt datakommunikationsnet forhindra samtidig overforing av meddelanden av flera anordningar samt system for genomforande av settet - Google Patents

Sett att i ett digitalt datakommunikationsnet forhindra samtidig overforing av meddelanden av flera anordningar samt system for genomforande av settet

Info

Publication number
SE444619B
SE444619B SE8005993A SE8005993A SE444619B SE 444619 B SE444619 B SE 444619B SE 8005993 A SE8005993 A SE 8005993A SE 8005993 A SE8005993 A SE 8005993A SE 444619 B SE444619 B SE 444619B
Authority
SE
Sweden
Prior art keywords
bus
message
signal
elevator
data
Prior art date
Application number
SE8005993A
Other languages
English (en)
Swedish (sv)
Other versions
SE8005993L (sv
Inventor
Mesa Iii N P De
J E Laabs
Original Assignee
Harris Graphics 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 Harris Graphics Corp filed Critical Harris Graphics Corp
Publication of SE8005993L publication Critical patent/SE8005993L/
Publication of SE444619B publication Critical patent/SE444619B/sv

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
    • G06F13/14—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
    • G06F13/376—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control using a contention resolving method, e.g. collision detection, collision avoidance

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)
  • Bus Control (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Communication Control (AREA)
  • Multi Processors (AREA)
SE8005993A 1978-12-27 1980-08-27 Sett att i ett digitalt datakommunikationsnet forhindra samtidig overforing av meddelanden av flera anordningar samt system for genomforande av settet SE444619B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/973,684 US4281380A (en) 1978-12-27 1978-12-27 Bus collision avoidance system for distributed network data processing communications system

Publications (2)

Publication Number Publication Date
SE8005993L SE8005993L (sv) 1980-08-27
SE444619B true SE444619B (sv) 1986-04-21

Family

ID=25521141

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8005993A SE444619B (sv) 1978-12-27 1980-08-27 Sett att i ett digitalt datakommunikationsnet forhindra samtidig overforing av meddelanden av flera anordningar samt system for genomforande av settet

Country Status (8)

Country Link
US (1) US4281380A (de)
EP (1) EP0020747B1 (de)
JP (1) JPS639261B2 (de)
CA (1) CA1140231A (de)
DE (1) DE2953444C2 (de)
GB (1) GB2057822B (de)
SE (1) SE444619B (de)
WO (1) WO1980001426A1 (de)

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Also Published As

Publication number Publication date
US4281380A (en) 1981-07-28
EP0020747A1 (de) 1981-01-07
CA1140231A (en) 1983-01-25
EP0020747B1 (de) 1984-07-18
EP0020747A4 (de) 1981-04-24
DE2953444T1 (de) 1980-12-18
SE8005993L (sv) 1980-08-27
WO1980001426A1 (en) 1980-07-10
GB2057822A (en) 1981-04-01
GB2057822B (en) 1983-10-05
JPS56500152A (de) 1981-02-12
DE2953444C2 (de) 1985-05-23
JPS639261B2 (de) 1988-02-26

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