CA980008A - Error checking method and apparatus for group of control logic units - Google Patents

Error checking method and apparatus for group of control logic units

Info

Publication number
CA980008A
CA980008A CA175,029A CA175029A CA980008A CA 980008 A CA980008 A CA 980008A CA 175029 A CA175029 A CA 175029A CA 980008 A CA980008 A CA 980008A
Authority
CA
Canada
Prior art keywords
group
control logic
error checking
logic units
checking method
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
CA175,029A
Other languages
English (en)
Other versions
CA175029S (en
Inventor
Howard L. Steadman
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
Original Assignee
TYMSHARE
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 filed Critical TYMSHARE
Application granted granted Critical
Publication of CA980008A publication Critical patent/CA980008A/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)
CA175,029A 1972-06-28 1973-06-27 Error checking method and apparatus for group of control logic units Expired CA980008A (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
CA980008A true CA980008A (en) 1975-12-16

Family

ID=23017078

Family Applications (1)

Application Number Title Priority Date Filing Date
CA175,029A Expired CA980008A (en) 1972-06-28 1973-06-27 Error checking method and apparatus for group of control logic units

Country Status (7)

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

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 (show.php) * 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
GB1402080A (en) 1975-08-06
JPS4952947A (show.php) 1974-05-23
DE2332342A1 (de) 1974-01-17
FR2191781A5 (show.php) 1974-02-01
BE801532A (fr) 1973-10-15

Similar Documents

Publication Publication Date Title
CA991882A (en) Method and apparatus for testing antibiotic susceptibility
CA985429A (en) Apparatus and method for memory refreshment control
CA940769A (en) Method and apparatus for correcting the position of a track
CA973965A (en) Method and apparatus for agglomeration measuring and control
AU3189871A (en) Method and apparatus for checking seals
AU469718B2 (en) Method and apparatus for recording
CA984977A (en) Method and apparatus for inspecting tires
CA1021862A (en) Method and apparatus for control of conditions in a process
CA986227A (en) System and method for effecting cyclic redundancy checking
CA989506A (en) Method and apparatus for machine control
CA975344A (en) Valve apparatus and method
CA978263A (en) Method and apparatus for detecting the beginning of a data block
CA985436A (en) Method and apparatus for testing the operation of a communication system
CA930055A (en) Method and apparatus for compensating an error in numerical control
CA972475A (en) Method and apparatus for inspecting tires
CA980008A (en) Error checking method and apparatus for group of control logic units
CA981889A (en) Method and apparatus for making truss members
AU5253973A (en) Method and apparatus for operating authorization control systems
AU448084B2 (en) Method and apparatus for compensating an error in numerical control
CA980289A (en) Method and apparatus for electroforming
AU2099170A (en) Method and apparatus for compensating an error in numerical control
CA900169A (en) Method and apparatus for making face plates
CA908310A (en) Data control method and apparatus
CA897039A (en) Method and apparatus for reducing lead-drawing
CA871649A (en) Method of and apparatus for stippling