GB1403067A - Data transmission systems - Google Patents

Data transmission systems

Info

Publication number
GB1403067A
GB1403067A GB4772372A GB4772372A GB1403067A GB 1403067 A GB1403067 A GB 1403067A GB 4772372 A GB4772372 A GB 4772372A GB 4772372 A GB4772372 A GB 4772372A GB 1403067 A GB1403067 A GB 1403067A
Authority
GB
United Kingdom
Prior art keywords
station
processor
signal
data
poll
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
GB4772372A
Other languages
English (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
Priority to GB4772372A priority Critical patent/GB1403067A/en
Priority to DE19732339084 priority patent/DE2339084C3/de
Priority to IT2836073A priority patent/IT998505B/it
Priority to JP10226673A priority patent/JPS5311419B2/ja
Priority to FR7334201A priority patent/FR2203541A5/fr
Priority to CA182,965A priority patent/CA994000A/en
Publication of GB1403067A publication Critical patent/GB1403067A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G06F13/20—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)
GB4772372A 1972-10-17 1972-10-17 Data transmission systems Expired GB1403067A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB4772372A GB1403067A (en) 1972-10-17 1972-10-17 Data transmission systems
DE19732339084 DE2339084C3 (de) 1972-10-17 1973-08-02 Datenstation und Datenvermittlungsanlage
IT2836073A IT998505B (it) 1972-10-17 1973-08-30 Sistema di trasmissione dei dati perfezionato
JP10226673A JPS5311419B2 (enrdf_load_stackoverflow) 1972-10-17 1973-09-12
FR7334201A FR2203541A5 (enrdf_load_stackoverflow) 1972-10-17 1973-09-19
CA182,965A CA994000A (en) 1972-10-17 1973-10-09 Data transmission system and terminal

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
GB1403067A true GB1403067A (en) 1975-08-13

Family

ID=10446034

Family Applications (1)

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

Country Status (6)

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

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 (enrdf_load_stackoverflow) * 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 (ja) * 1982-06-01 1983-12-08 Chino Works Ltd デ−タ伝送装置

Also Published As

Publication number Publication date
JPS5311419B2 (enrdf_load_stackoverflow) 1978-04-21
JPS4975044A (enrdf_load_stackoverflow) 1974-07-19
FR2203541A5 (enrdf_load_stackoverflow) 1974-05-10
CA994000A (en) 1976-07-27
DE2339084B2 (de) 1975-01-09
IT998505B (it) 1976-02-20
DE2339084C3 (de) 1975-08-14
DE2339084A1 (de) 1974-05-02

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Legal Events

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