CA994000A - Data transmission system and terminal - Google Patents

Data transmission system and terminal

Info

Publication number
CA994000A
CA994000A CA182,965A CA182965A CA994000A CA 994000 A CA994000 A CA 994000A CA 182965 A CA182965 A CA 182965A CA 994000 A CA994000 A CA 994000A
Authority
CA
Canada
Prior art keywords
terminal
data transmission
transmission system
data
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
Application number
CA182,965A
Other versions
CA182965S (en
Inventor
Ian R.F. Cameron
Robert W.E. Farr
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
Application granted granted Critical
Publication of CA994000A publication Critical patent/CA994000A/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
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/22—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling
    • 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
    • H04L12/403—Bus networks with centralised control, e.g. polling

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)
  • Communication Control (AREA)
CA182,965A 1972-10-17 1973-10-09 Data transmission system and terminal Expired CA994000A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4772372A GB1403067A (en) 1972-10-17 1972-10-17 Data transmission systems

Publications (1)

Publication Number Publication Date
CA994000A true CA994000A (en) 1976-07-27

Family

ID=10446034

Family Applications (1)

Application Number Title Priority Date Filing Date
CA182,965A Expired CA994000A (en) 1972-10-17 1973-10-09 Data transmission system and terminal

Country Status (6)

Country Link
JP (1) JPS5311419B2 (en)
CA (1) CA994000A (en)
DE (1) DE2339084C3 (en)
FR (1) FR2203541A5 (en)
GB (1) GB1403067A (en)
IT (1) IT998505B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996564A (en) * 1974-06-26 1976-12-07 International Business Machines Corporation Input/output port control
JPS5630981B2 (en) * 1974-12-29 1981-07-18
US4160877A (en) * 1976-07-06 1979-07-10 Codex Corporation Multiplexing of bytes of non-uniform length with end of time slot indicator
JPS58210735A (en) * 1982-06-01 1983-12-08 Chino Works Ltd Data transmitter

Also Published As

Publication number Publication date
IT998505B (en) 1976-02-20
DE2339084B2 (en) 1975-01-09
DE2339084C3 (en) 1975-08-14
DE2339084A1 (en) 1974-05-02
JPS4975044A (en) 1974-07-19
FR2203541A5 (en) 1974-05-10
JPS5311419B2 (en) 1978-04-21
GB1403067A (en) 1975-08-13

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