GB767947A - Improvements in or relating to record card controlled machines - Google Patents

Improvements in or relating to record card controlled machines

Info

Publication number
GB767947A
GB767947A GB2034453A GB2034453A GB767947A GB 767947 A GB767947 A GB 767947A GB 2034453 A GB2034453 A GB 2034453A GB 2034453 A GB2034453 A GB 2034453A GB 767947 A GB767947 A GB 767947A
Authority
GB
United Kingdom
Prior art keywords
digit
cast out
nines
card
over
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
GB2034453A
Other languages
English (en)
Inventor
Ioino Ghertman
Edmond Febvre
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
Priority to NLAANVRAGE7410692,A priority Critical patent/NL180235B/nl
Priority to FR1057871D priority patent/FR1057871A/fr
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to GB2034453A priority patent/GB767947A/en
Publication of GB767947A publication Critical patent/GB767947A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1012—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
    • G06F11/104—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error using arithmetic codes, i.e. codes which are preserved during operation, e.g. modulo 9 or 11 check

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
GB2034453A 1953-07-22 1953-07-22 Improvements in or relating to record card controlled machines Expired GB767947A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NLAANVRAGE7410692,A NL180235B (nl) 1953-07-22 Mondstuk voor een zuurstoflans van een staalconvertor.
FR1057871D FR1057871A (fr) 1953-07-22 1951-10-06 Perfectionnements aux machines comptables
GB2034453A GB767947A (en) 1953-07-22 1953-07-22 Improvements in or relating to record card controlled machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2034453A GB767947A (en) 1953-07-22 1953-07-22 Improvements in or relating to record card controlled machines

Publications (1)

Publication Number Publication Date
GB767947A true GB767947A (en) 1957-02-13

Family

ID=10144400

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2034453A Expired GB767947A (en) 1953-07-22 1953-07-22 Improvements in or relating to record card controlled machines

Country Status (3)

Country Link
FR (1) FR1057871A (nl)
GB (1) GB767947A (nl)
NL (1) NL180235B (nl)

Also Published As

Publication number Publication date
NL180235B (nl)
FR1057871A (fr) 1954-03-11

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