GB1402080A - Error checking apparatus for group of control logic units - Google Patents

Error checking apparatus for group of control logic units

Info

Publication number
GB1402080A
GB1402080A GB2997373A GB2997373A GB1402080A GB 1402080 A GB1402080 A GB 1402080A GB 2997373 A GB2997373 A GB 2997373A GB 2997373 A GB2997373 A GB 2997373A GB 1402080 A GB1402080 A GB 1402080A
Authority
GB
United Kingdom
Prior art keywords
parity
output
group
logic units
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
GB2997373A
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.)
Tymshare Inc
Original Assignee
Tymshare 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 Tymshare Inc filed Critical Tymshare Inc
Publication of GB1402080A publication Critical patent/GB1402080A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Detection And Correction Of Errors (AREA)
  • Logic Circuits (AREA)
  • Tests Of Electronic Circuits (AREA)
GB2997373A 1972-06-28 1973-06-25 Error checking apparatus for group of control logic units Expired GB1402080A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00267040A US3805233A (en) 1972-06-28 1972-06-28 Error checking method and apparatus for group of control logic units

Publications (1)

Publication Number Publication Date
GB1402080A true GB1402080A (en) 1975-08-06

Family

ID=23017078

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2997373A Expired GB1402080A (en) 1972-06-28 1973-06-25 Error checking apparatus for group of control logic units

Country Status (7)

Country Link
US (1) US3805233A (enExample)
JP (1) JPS4952947A (enExample)
BE (1) BE801532A (enExample)
CA (1) CA980008A (enExample)
DE (1) DE2332342A1 (enExample)
FR (1) FR2191781A5 (enExample)
GB (1) GB1402080A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2505475C3 (de) * 1975-02-10 1982-02-18 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren und Vorrichtung zur Fehlerprüfung bei einem programmierbaren Logikwerk für die Ausführung logischer Operationen
DE2606669C2 (de) * 1976-02-19 1983-07-07 Fried. Krupp Gmbh, 4300 Essen Verfahren zum Testen digitaler Systeme und Vorrichtung zur Durchführung des Verfahrens
US5107507A (en) * 1988-05-26 1992-04-21 International Business Machines Bidirectional buffer with latch and parity capability
US6975238B2 (en) * 2003-10-01 2005-12-13 Infineon Technologies Ag System and method for automatically-detecting soft errors in latches of an integrated circuit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3113204A (en) * 1958-03-31 1963-12-03 Bell Telephone Labor Inc Parity checked shift register counting circuits
NL265706A (enExample) * 1960-06-09
US3245049A (en) * 1963-12-24 1966-04-05 Ibm Means for correcting bad memory bits by bit address storage
DE1762905B1 (de) * 1968-09-19 1970-11-19 Messerschmitt Boelkow Blohm Schaltungsanordnung zur UEberwachung der Schaltfunktion eines Verteilerschalters
US3699322A (en) * 1971-04-28 1972-10-17 Bell Telephone Labor Inc Self-checking combinational logic counter circuit

Also Published As

Publication number Publication date
US3805233A (en) 1974-04-16
JPS4952947A (enExample) 1974-05-23
DE2332342A1 (de) 1974-01-17
FR2191781A5 (enExample) 1974-02-01
BE801532A (fr) 1973-10-15
CA980008A (en) 1975-12-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee