GB1541539A - Redundancy character checking in computers - Google Patents

Redundancy character checking in computers

Info

Publication number
GB1541539A
GB1541539A GB3370777A GB3370777A GB1541539A GB 1541539 A GB1541539 A GB 1541539A GB 3370777 A GB3370777 A GB 3370777A GB 3370777 A GB3370777 A GB 3370777A GB 1541539 A GB1541539 A GB 1541539A
Authority
GB
United Kingdom
Prior art keywords
computers
character checking
redundancy character
redundancy
checking
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
GB3370777A
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.)
Bull HN Information Systems Italia SpA
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Italia SpA
Honeywell Information Systems Inc
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 Honeywell Information Systems Italia SpA, Honeywell Information Systems Inc filed Critical Honeywell Information Systems Italia SpA
Publication of GB1541539A publication Critical patent/GB1541539A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit

Landscapes

  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Detection And Correction Of Errors (AREA)
  • Error Detection And Correction (AREA)
  • Executing Machine-Instructions (AREA)
GB3370777A 1976-08-12 1977-08-11 Redundancy character checking in computers Expired GB1541539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71407476A 1976-08-12 1976-08-12

Publications (1)

Publication Number Publication Date
GB1541539A true GB1541539A (en) 1979-03-07

Family

ID=24868662

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3370777A Expired GB1541539A (en) 1976-08-12 1977-08-11 Redundancy character checking in computers

Country Status (6)

Country Link
JP (1) JPS6027420B2 (enExample)
AU (1) AU2770077A (enExample)
CA (1) CA1099022A (enExample)
DE (1) DE2735806A1 (enExample)
FR (1) FR2361699A1 (enExample)
GB (1) GB1541539A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2023895B (en) * 1978-06-21 1982-10-13 Data General Corp Error detection circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1366833A (en) * 1973-01-26 1974-09-11 Post Office Telemunications systems

Also Published As

Publication number Publication date
FR2361699A1 (fr) 1978-03-10
FR2361699B1 (enExample) 1984-12-28
JPS6027420B2 (ja) 1985-06-28
AU2770077A (en) 1979-02-15
DE2735806A1 (de) 1978-02-16
CA1099022A (en) 1981-04-07
JPS5322341A (en) 1978-03-01

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Legal Events

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