GB1254094A - Data communication systems - Google Patents

Data communication systems

Info

Publication number
GB1254094A
GB1254094A GB22818/70A GB2281870A GB1254094A GB 1254094 A GB1254094 A GB 1254094A GB 22818/70 A GB22818/70 A GB 22818/70A GB 2281870 A GB2281870 A GB 2281870A GB 1254094 A GB1254094 A GB 1254094A
Authority
GB
United Kingdom
Prior art keywords
data
service
byte
raising
control unit
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
GB22818/70A
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.)
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
Publication of GB1254094A publication Critical patent/GB1254094A/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
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4265—Bus transfer protocol, e.g. handshake; Synchronisation on a point to point bus
    • G06F13/4269—Bus transfer protocol, e.g. handshake; Synchronisation on a point to point bus using a handshaking protocol, e.g. Centronics connection

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Communication Control (AREA)
  • Bus Control (AREA)
  • Information Transfer Systems (AREA)
GB22818/70A 1969-06-27 1970-05-12 Data communication systems Expired GB1254094A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83805269A 1969-06-27 1969-06-27

Publications (1)

Publication Number Publication Date
GB1254094A true GB1254094A (en) 1971-11-17

Family

ID=25276128

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22818/70A Expired GB1254094A (en) 1969-06-27 1970-05-12 Data communication systems

Country Status (13)

Country Link
US (1) US3582906A (enExample)
JP (1) JPS5038464B1 (enExample)
AT (1) AT307094B (enExample)
BE (1) BE751573A (enExample)
CA (1) CA929271A (enExample)
CH (1) CH514257A (enExample)
DK (1) DK146837C (enExample)
ES (1) ES380727A1 (enExample)
FR (1) FR2052421A5 (enExample)
GB (1) GB1254094A (enExample)
NL (1) NL167528C (enExample)
NO (1) NO127890B (enExample)
SE (1) SE360192B (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777126A (en) * 1972-05-03 1973-12-04 Dietzgen Electronics Inc Measurement transducer calculator interface
US4771378A (en) * 1984-06-19 1988-09-13 Cray Research, Inc. Electrical interface system
CA1228677A (en) * 1984-06-21 1987-10-27 Cray Research, Inc. Peripheral interface system
US4829244A (en) * 1985-07-05 1989-05-09 Data Switch Corporation Bus and tag cable monitoring tap
US5077656A (en) * 1986-03-20 1991-12-31 Channelnet Corporation CPU channel to control unit extender
AU596459B2 (en) * 1986-10-17 1990-05-03 Fujitsu Limited Data transfer system having transfer discrimination circuit
JPH0273443A (ja) * 1988-09-09 1990-03-13 Nec Corp 入出力制御装置
US5237676A (en) * 1989-01-13 1993-08-17 International Business Machines Corp. High speed data transfer system which adjusts data transfer speed in response to indicated transfer speed capability of connected device
JPH0496496A (ja) * 1990-08-10 1992-03-27 Fujitsu Ltd 制御データ伝送方式
US5517615A (en) * 1994-08-15 1996-05-14 Unisys Corporation Multi-channel integrity checking data transfer system for controlling different size data block transfers with on-the-fly checkout of each word and data block transferred

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3251040A (en) * 1961-12-01 1966-05-10 Sperry Rand Corp Computer input-output system
US3336582A (en) * 1964-09-01 1967-08-15 Ibm Interlocked communication system

Also Published As

Publication number Publication date
NL7009321A (enExample) 1970-12-29
FR2052421A5 (enExample) 1971-04-09
ES380727A1 (es) 1972-08-16
SE360192B (enExample) 1973-09-17
NO127890B (enExample) 1973-08-27
DE2029887B2 (de) 1972-03-30
DK146837C (da) 1984-07-02
NL167528C (nl) 1981-12-16
AT307094B (de) 1973-05-10
DK146837B (da) 1984-01-16
DE2029887A1 (de) 1971-01-14
BE751573A (fr) 1970-11-16
JPS5038464B1 (enExample) 1975-12-10
CA929271A (en) 1973-06-26
CH514257A (de) 1971-10-15
US3582906A (en) 1971-06-01
NL167528B (nl) 1981-07-16

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